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ุจุณู… ุงู„ู„ู‡ ุงู„ุฑุญู…ู† ุงู„ุฑุญูŠู… ุงู„ุณู„ุงู… ุนู„ูŠูƒู… ูˆุฑุญู…ุฉ ุงู„ู„ู‡
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ูˆุจุฑูƒุงุชู‡ ุงุญู†ุง ุงู„ูŠูˆู… ุงู† ุดุงุก ุงู„ู„ู‡ ู‡ู†ุจุฏุฃ ุงู„ุดุจุชุฑ ุงู„ุฃุฎูŠุฑ
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ุงู„ู„ูŠ ู‡ูˆ balanced 3 phase voltage
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ุงู„ู€ three phase system ูŠุณุชุฎุฏู… ู„ู…ุง ุจุฏู†ุง ู†ุนู…ู„ ุชูˆู„ูŠุฏ
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ูˆ transmission ูˆ distribution ู„ large blocks of
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electrical power ุนุดุงู† ู†ุนู…ู„ ู‡ุฐุง ุงู„ุญูƒูŠ ู„ุงุฒู… ู†ุณุชุฎุฏู…
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ุงู„ู€ three phase system ู„ุฃุณุจุงุจ ุงู‚ุชุตุงุฏูŠุฉ ุจูŠุณุชุฎุฏู…ูˆุง
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ุงู„ system ุจู†ุณู…ูŠู‡ balanced three phase system
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ุจู†ุณู…ูŠู‡ balanced ู„ุฃุณุจุงุจ ุงู‚ุชุตุงุฏูŠุฉ
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balanced three phase voltage ู‡ุฐุง ุงู„ system ุงู„ู„ูŠ ู„ู„
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generation ูˆ distribution ูˆ ุงู„ transmission ู„ู„
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large blocks of electric power ุจูŠุณุชุฎุฏู… balanced
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ูู‚ุท ู„ุฃุณุจุงุจ ุงู‚ุชุตุงุฏูŠุฉ ุงูŠุด ู…ุนู†ุงู‡ ู‡ุฐุง ุงู„ุญูƒูŠุŸ ู…ุนู†ุงู‡ ุงู†ู‡
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ู‚ู„ู†ุง generation ูŠุนู†ูŠ ุงู„ู…ุตุฏุฑ ุชุจุนูŠ ู‡ูŠูƒูˆู† three phase
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voltage
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source
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ู‚ู„ู†ุง distribution ูˆ ู„ุชุฑุงู†ุฒู…ูŠุดู† ุงู„ distribution
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ูŠุนู†ูŠ ุงู„ network ุจุชุงุนุชู‰ ุงู„ loads ุงู„ุฃุญู…ุงู„ ุจุชุงุนุชู‰ ุงู„
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loads ุจุฑุถู‡ three phase loads
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ูˆ ู„ุชุฑุงู†ุฒู…ูŠุดู† ู‡ูŠูƒูˆู† ุจุฑุถู‡ three phase lines
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00:02:19,620 --> 00:02:22,120
ู‡ุฐุง ุงู„ู€ source ู‡ูŠูƒูˆู† ุงู„ู€ three-phase ู„ุงู† ู‚ู„ู†ุง ู„ู€
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generation ู„ู€ transmission ูˆ distribution ู„ู„ุนุฌุจ
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ู„ูƒู‡ ููŠ ุงู„ electric power ู†ุณุชุฎุฏู… ุงู„ three-phase
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system ู…ุนู†ุงู‡ ู‡ูŠูƒูˆู† ุงู„ source three-phase system ุงู„
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load three-phase system ูˆ ุงู„ transmission lines
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ู‡ูŠูƒูˆู†ูˆุง three-phase ุงู„
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three-phase system
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ุงู„ู†ุงุณ ุจูŠุฑุฌุนูˆู„ู‡ู… ุนู„ู‰ ุฅู† ู‡ู… ุงู„ู€ A phase ูˆุงู„ู€ B phase
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ูˆุงู„ู€ C phase ุฃู†ูˆุงุน
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ุงู„ูˆุตูˆู„ ู„ู‡ุฏูˆู„ ุงู„ู€ C phase ุงู„ู„ูŠ ู‡ูŠ ุงู„ู€ A ูˆุงู„ู€ B ูˆุงู„ู€
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C ุจูŠูƒูˆู† ูŠุง Delta connection ูŠุง
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Y connection
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ุฃุฐู† ู‡ุฏูˆู„ุฉ ุงู„ู€ three phases ุจูŠุณู…ูˆู‡ู… ุงู„ู†ุงุณ a,b,c
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ุงู„ุชู„ุงุชุฉ ูˆ ุงู„ูˆุตู„ ุชุจุนู‡ู… ู‡ูŠ ุงู„ู„ูŠ ุจูŠูƒูˆู† ุนู„ู‰ ุดูƒู„ delta
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ุงูˆ ุนู„ู‰ ุดูƒู„ y ู‡ุฐุง ู„ู„ุฃูˆู„ุŸ ู„ูƒู„ู‡ุŒ ู‡ุฐุง three phaseุŒ ู‡ุฐุง
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00:03:31,670 --> 00:03:35,670
three phase ุงู„ูˆุตู„ ู…ู…ูƒู† ูŠูƒูˆู† deltaุŒ ู…ู…ูƒู† ูŠูƒูˆู† y
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ูŠุนู†ูŠ ุงู„ source ู…ู…ูƒู† ูŠูƒูˆู† deltaุŒ ู‡ุงูŠ ุงู„ delta
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ุงู„ู…ู‚ุตูˆุฏ ููŠู‡ุง ูˆ ู‡ุงูŠ ุงู„ y ุงู„ู…ู‚ุตูˆุฏ ููŠู‡ุง ู†ุชูŠุฌุฉ ู„ู‡ูŠูƒ
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ู…ู…ูƒู† ุฃู† ุงู†ุชูˆุง ุชุฌู†ุจูŠ ุฃุฑุจุน ุงุญุชู…ุงู„ุงุช ุงู„ุชูˆุตูŠู„ู…ู…ูƒู† ูŠูƒูˆู†
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00:03:47,850 --> 00:03:53,890
ุงู„ source ูˆูŠ ุงู„ load ุฏู„ุชุง ูŠุนู†ูŠ ุจูˆุตู„ ุฏู„ุชุง ู…ุน ุฏู„ุชุง
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ุงูˆ
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ูˆูŠ ู…ุน ุฏู„ุชุง ุงูˆ
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ูˆูŠ
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ู…ุน ุจุงูŠ
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00:04:15,170 --> 00:04:24,070
ุนู†ุฏูŠ ุงู„ู€ delta ู…ุน delta ูƒู†ุง ุฃูˆุตู„ู‡ู… ุฃูŠ ุทุฑูŠู‚ุฉ y
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00:04:24,070 --> 00:04:33,190
delta ูƒู†ุง ุฃูˆุตู„ y
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delta ู‚ูˆู„ู†ุง yy ูƒู†ุง ุฃูˆุตู„
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ุฃุดุถู„ ุนู†ุฏูŠ Delta Y ู‡ุชุดูˆููŠ
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ูŠุนู†ูŠ ุฃู†ุง ุจุณ ูˆุฑุณูˆู…ู‡ู… ู‡ูŠูƒ ุนู† ุงู„ุณุฑูŠุน ู„ูƒู† ู…ู…ูƒู† ุงุญู†ุง
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ู†ูˆุตู„ู‡ู… ุจุทุฑูŠู‚ุฉ ุงู…ุฑุชุจุท ุงุฐุง ู…ู…ูƒู† ูŠูƒูˆู† ุนู†ุฏูŠ Delta
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Delta ูŠุนู†ูŠ ุงู„ source ุนู†ุฏูŠ Delta ูˆู‡ูŠ transmission
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line ุนู†ุฏูŠ ุชู„ุงุชุฉ Delta Delta Y Delta Y Y Delta Yู‚ุจู„
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00:05:15,640 --> 00:05:19,720
ู…ุง ู†ุฎุฏ ููŠ ุชูุงุตูŠู„ ุงู„ู€ network ู„ุงุฒู… ู†ุชุนู„ู… ุดูˆูŠุฉ ุนู†
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ู‡ุฏูˆู„ุฉ ุงู„ phases ุงู„ A,B,C phases ูƒูŠู ุทุฑูŠู‚ุฉ ุงู„ุชุนุงู…ู„
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00:05:25,720 --> 00:05:28,700
ู…ุนุงู‡ู… ุจุนุฏูŠู† ู‡ู†ุฎุด ููŠ ุชูุงุตูŠู„ ุงู„ู„ูŠ ู‡ูŠ ุงู„ connections
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00:05:28,700 --> 00:05:32,040
ุงู„ Y ูˆ ุงู„ Delta connection ุจุณ ุงู„ูˆุฌูˆุฏ ุฅู†ู‡ ููŠ ุนู†ุฏ
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00:05:32,040 --> 00:05:35,260
ุงุญุชู…ุงู„ูŠุฉ ุงู„ Delta connection ู„ู„ three phases ุงู„ A
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00:05:35,260 --> 00:05:38,480
ูˆ ุงู„ B ูˆ ุงู„ C ุจูŠุฎู„ูŠ ุฅู†ู‡ ู…ู…ูƒู† ูŠูƒูˆู† ุงู„ load ุนู†ุฏู‰ ุชุจุน
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00:05:38,480 --> 00:05:42,390
ุงู„ Delta ุฃูˆ ุงู„ source Deltaู…ู…ูƒู† ูŠูƒูˆู† ุงู„ load ุนู†ุฏู‰
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00:05:42,390 --> 00:05:45,870
Y ุฃูˆ ุงู„ source Y ุจู†ุชุฌ ุนู†ู‡ุง ุงู„ุงุญุชู…ุงู„ูŠุฉ ุงุฑุจุน
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00:05:45,870 --> 00:05:49,850
ุงุญุชู…ุงู„ูŠุฉ ุชูˆุตูŠู„ ุงู„ู„ู‰ ุงุญู†ุง ุดูˆูู†ุงู‡ู… ู…ุน ุจุนุถ Y Y Delta
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Y ูŠุนู†ูŠ ู‡ูŠ ูƒุฏู‡ ุงู†ุง ู„ูˆ ุจุฏุฃ ุงูƒุชุจู„ูƒู… ุงูŠุงู‡ู… ุจู‡ุฐุง ุงู„ุดูƒู„
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ู‡ูŠ ุงู„ four connections Y
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Y Y Delta Delta Delta Delta Y
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00:06:11,130 --> 00:06:13,750
ุงู„ุณุจุจ ุงู„ู„ูŠ ู…ุง ู†ุฎุต ููŠู‡ ูƒู…ุง ุญูƒูŠู†ุง ููŠ ุงู„ุชูุงุตูŠู„ ุจุฏู†ุง
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00:06:13,750 --> 00:06:18,150
ู†ุฏุฑุณ ุดูˆูŠุฉ ุงูƒุชุฑ ุนู† ุงู„ู„ูŠ ู‡ูŠ ุงู„ three phase system ุงู„
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ABC
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00:06:27,990 --> 00:06:31,350
ุทุจุนุง ู‡ุฏูˆู„ุฉ ูƒู„ู‡ู… ุจุชุชู… ุฅู†ุชุงุฌู‡ู… ูŠุนู†ูŠ ุงู„ู†ุงุณ ุงู„ู„ูŠ ุจุชูƒูˆู†
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00:06:31,350 --> 00:06:36,350
ุฎุจูŠุฑุฉ ูƒูŠู ุจุชู„ู ุงู„ู…ุทุงุฑุงุช ุงู„ generator ูˆ ุงู„ motors
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ูƒูŠู ุจุชู„ู ุงู„ generator ุงู„ู„ูŠ ู‡ูˆ ุจุชุทู„ุน ุงู„ูƒู‡ุฑุจุง ุจุชู„ูู‡
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00:06:39,830 --> 00:06:43,950
ุจุทุฑูŠู‚ุฉ ูŠูƒูˆู† ููŠู‡ ุชู„ุช ู…ุฎุงุฑุฌ ูˆ ุทุฑูŠู‚ุฉ ุงู„ู…ุฎุงุฑุฌ ู‡ูŠู‚ูˆู„ู†ุง
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00:06:43,950 --> 00:06:48,230
Y ูˆ Delta ุจุชูƒูˆู† ู‡ุฏูˆู„ ุงู„ู…ุฎุงุฑุฌ ูƒู„ ูˆุงุญุฏ ู…ู†ู‡ู… ุณู…ูŠู†ุงู‡
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00:06:48,230 --> 00:06:55,770
ABCููŠู†ุง ููŠ ุทุฑูŠู‚ุฉ ู„ูุฉ ุงู„ู…ุทุฑุงุช ุฃูˆ ุงู„ู„ู ุงู„ู„ูŠ ู‡ูŠ ุงู„
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load ููŠู†ุง ุฏูŠ two sequences ุจู†ุณู…ูŠู‡ู… two sequences
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00:07:01,350 --> 00:07:09,930
ุงู„
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00:07:09,930 --> 00:07:13,390
two sequences ุงู„ู…ุดู‡ูˆุฑูŠู† ุจู†ุณู…ูŠู‡ู… ูŠุง ุงู„ุจุณุช ููŠ
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00:07:13,390 --> 00:07:18,990
sequenceูŠุง ุงู„ู€ negative sequenceุŒ ูŠุง positiveุŒ ูŠุง
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00:07:18,990 --> 00:07:22,290
negative ุงู„ู€ positive sequence ุจุฑุถู‡ ุงู„ู†ุงุณ ุจุชุณู…ูŠู‡ุง
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00:07:22,290 --> 00:07:27,750
ุงู„ู€ ABC ุณู‡ู„ุฉุŒ ุงู„ุชุฑุชูŠุจ ุฒูŠ ู…ุง ู‡ูˆ ููŠ ุงู„ุฃู„ูุงุจุช ABC
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00:07:27,750 --> 00:07:32,730
sequence ABC sequence ู‡ูŠ ุงู„ positive sequence ุงู„
81
00:07:32,730 --> 00:07:37,270
negative sequence ุงู„ู„ูŠ ู‡ู… ุจูŠุณู…ูˆู‡ุง ACB
82
00:07:39,020 --> 00:07:42,000
ุงู„ู€ positive sequence ุงู„ู„ูŠ ู‡ูŠ ABC ูˆ ุงู„ู€ negative
83
00:07:42,000 --> 00:07:58,540
ุงู„ู„ูŠ ู‡ูŠ ACB sequence ุทุจุนุง
84
00:07:58,540 --> 00:08:01,040
ุจู†ุดูˆู ุฅูŠุด ู‡ูŠ ุงู„ูุฑู‚ ุจูŠู† ุงู„ positive sequence ูˆ ุงู„
85
00:08:01,040 --> 00:08:05,340
negative sequence ุงุญู†ุง ู‚ูˆู„ู†ุง ู„ูˆ ู…ุซู„ุง ุนู†ุฏูŠ voltage
86
00:08:07,230 --> 00:08:15,990
ู‚ูŠู…ุชู‡ ุซู„ุงุซุฉ volt ูˆุงู„ููŠุฒ ุชุจุนู‡ ุชู„ุงุชูŠู† ุฏุฑุฌุฉ volt ู‡ุฐุง
87
00:08:15,990 --> 00:08:18,350
ุงู„ voltage ุฃุญู†ุง ุฃุตุจุญู†ุง ู…ุชุนูˆุฏูŠู† ุนู„ูŠู‡ุง ุนุงุฑููŠู† ุฃู† ู‡ุฐุง
88
00:08:18,350 --> 00:08:22,470
ู…ุนู†ุงู‡ ูุฒุฑ representation ู„ู„ voltage ุงู„ amplitude
89
00:08:22,470 --> 00:08:27,890
ุชู„ุงุชุฉ ูˆููŠุฒ ุชู„ุงุชูŠู† ุฏุฑุฌุฉ ู„ูˆ ุฃู†ุง ุจุฏุฃ ุฃุฑุณู…ู‡ุง ุจุฏุฃ
90
00:08:27,890 --> 00:08:33,950
ุฃุณุชุฎุฏู… ุงู„ุฑุณู… ุฃุณุชุฎุฏู… ุงู„ุฑุณู… ุงู„ุชุงู„ูŠ ู‚ุฏุงู…ูŠ ุงู„ู„ูŠ ู‡ูˆ ุงู„
91
00:08:33,950 --> 00:08:34,970
XY coordinate
92
00:08:38,130 --> 00:08:43,110
ุจุฃุณุชุฎุฏู… ุงู„ amplitude ุจุทูˆู„ ู…ุนูŠู† ู„ูŠู…ุซู„ู†ูŠ ุงู„ุชู„ุงุชุฉ
93
00:08:43,110 --> 00:08:48,490
volt ูˆ ุงู„ phase ุจุฒุงูˆูŠุฉ ู…ู‚ุฏุงุฑู‡ุง ุชู„ุงุชูŠู† ุฏุฑุฌุฉ ู‡ุฐุง
94
00:08:48,490 --> 00:08:53,630
ุจู†ุณู…ูŠู‡ phaser representation ู„ุง
95
00:08:53,630 --> 00:08:58,610
ุงู„ู„ูŠ ู‡ูˆ ุงู„ phaser voltage ุจู…ุนู†ู‰ ูˆุถุญุช ุงู„ amplitude
96
00:08:58,610 --> 00:09:02,970
ุจุทูˆู„ ู…ุนูŠู† ูˆ ุงู„ุฒุงูˆูŠุฉ ูˆุถุญุชู„ูŠ ุงู„ู„ูŠ ู‡ูˆ ุงู„ phase angle
97
00:09:02,970 --> 00:09:05,770
ุชุจุนุช ุงู„ voltage ูˆุงุถุญุŸ
98
00:09:07,910 --> 00:09:10,570
ุฅุฐุง ุฃู†ุง ุจุฏุฃ ุฃุนุจุฑ ุนู† ุงู„ sequences ู‡ุฏูˆู„ุฉ ุจุทุฑูŠู‚ุฉ
99
00:09:10,570 --> 00:09:14,910
ุงู„ุฑุณู… ู†ุจุฏุฃ
100
00:09:14,910 --> 00:09:19,610
ุจุงู„ ABC ุงู„ ABC sequence ุงุญู†ุง ู‚ู„ู†ุง ุฅู†ู‡ ุชู„ุงุชุฉ
101
00:09:19,610 --> 00:09:24,430
voltages ุฃูˆ ุชู„ุงุชุฉ loads ู‡ุฏูˆู„ุฉ sources ุฃูˆ loads
102
00:09:24,430 --> 00:09:30,050
ุงู„ู„ูŠ ู„ู‡ู… ุชู„ุงุช ู…ุฎุงุฑุฌ ุงู„ A ูˆุงู„B ูˆุงู„C ูƒู„ ูˆุงุญุฏ ู…ุซู„ ุงู„
103
00:09:30,050 --> 00:09:35,630
voltage VAVBVC ุนุดุงู† ูŠูƒูˆู†ูˆุง balancedู„ุงุฒู… ุงู„ุชู„ุงุชุฉ
104
00:09:35,630 --> 00:09:39,590
ูŠูƒูˆู† ุจูŠู†ู‡ู… ูƒู„ ูˆุงุญุฏ ูˆุงู„ุชุงู†ูŠ ู…ุงุฆุฉ ูˆุนุดุฑูŠู† ุฏุฑุฌุฉ ุฃุฎุฏุชูˆุง
105
00:09:39,590 --> 00:09:43,910
ุงู„ force table ููŠ ุงู„ููŠุฒูŠุง ุฃุดู‡ุฑ ุงู„ุฒุงูˆูŠุฉ ุจูŠู† ูƒู„ ูˆุงุญุฏ
106
00:09:43,910 --> 00:09:46,610
ูˆุงู„ุชุงู†ูŠ ู„ุงุฒู… ุชูƒูˆู† ู…ุงุฆุฉ ูˆุนุดุฑูŠู† ุนุดุงู† ูŠูƒูˆู† balanced
107
00:09:46,610 --> 00:09:50,150
system ูˆู‡ุฐุง ู†ูุณ ุงู„ุงุดูŠ ุนุดุงู† ูŠูƒูˆู† balanced ู‡ุชูƒูˆู†
108
00:09:50,150 --> 00:09:56,470
ุนู†ุฏูŠ VA ุงู„ phase ุงู„ุฃูˆู„ ุฅู„ู‡ maximum value ูˆู…ุซู„ุง
109
00:09:56,470 --> 00:10:02,200
ู†ูุชุฑุถ ุฃู†ู‡ ุงู„ phase ุชุจุนู‡ zeroVB ููŠ ุงู„ู€ positive
110
00:10:02,200 --> 00:10:06,700
sequence ู‡ุชูƒูˆู† VM ู„ุฃู†ู‡ุง balanced ู„ุงุฒู… ุชูƒูˆู† ู„ู‡ุง ู†ูุณ
111
00:10:06,700 --> 00:10:11,120
ุงู„ amplitude ู„ูˆ ุงุชุบูŠุฑ ุงู„ amplitude ุจุทู„ balanced ูˆ
112
00:10:11,120 --> 00:10:17,860
ุงู„ุฒุงูˆูŠุฉ ู„ุงุฒู… ุชูƒูˆู† 120 ุฏุฑุฌุฉ ููŠ ุญุงู„ุฉ ุงู„ ABC ุจุชูƒูˆู† ููŠ
113
00:10:17,860 --> 00:10:23,060
ุงู„ุณุงู„ู‚ ุณุงู„ู‚ 120 ุฏุฑุฌุฉ VC
114
00:10:24,950 --> 00:10:28,930
ู‡ุชุณุงูˆูŠ ุจุฑุถู‡ ู†ูุณ ุงู„ amplitude ูˆ ู‡ุชูƒูˆู† plus ู…ูŠุฉ ูˆ
115
00:10:28,930 --> 00:10:34,330
ุนุดุฑูŠู† ุฏุฑุฌุฉ volt ู†ูŠุฌูŠ ู†ู…ุซู„ ุงู„ positive sequence ุจูŠู‡
116
00:10:34,330 --> 00:10:43,610
ุงู„ู„ูŠ ู‡ูˆ ุงู„ุฑุณู… ู‡ุฑุณู… ุนู†ุฏู†ุง
117
00:10:43,610 --> 00:10:47,670
ุงู„ C ุฃูˆู„ ูˆุงุญุฏุฉ ุฒู‡ุฑุช ุนู†ุฏ ู…ูŠุฉ ูˆ ุนุดุฑูŠู† ุฏุฑุฌุฉ
118
00:10:51,190 --> 00:10:56,250
ุฃูƒุจุฑ ุฒุงูˆูŠุฉ ูˆุทูˆู„ู‡ุง ุงู„ู„ูŠ ู‡ูˆ V maximum ู‡ุฐุง ู…ูŠู† ุงู„ูุงุฒุŸ
119
00:10:56,250 --> 00:11:02,610
VC ุจุนุฏู‡ ุจุธู‡ุฑ ุงู„ F ุงู„ู„ูŠ ู‡ูˆ ู†ูุณ ุงู„ุทูˆู„ ุงู„ู„ูŠ ู‡ูŠ VM
120
00:11:02,610 --> 00:11:08,950
ูˆุงู„ุฒุงูˆูŠุฉ ุชุงุนุชู‡ ู‚ุฏุฑ ุงู„ zero ูู‡ุฐุง VA VC ุนู†ุฏ minus
121
00:11:08,950 --> 00:11:14,870
120 ูˆุจุฑุถู‡
122
00:11:14,870 --> 00:11:16,650
ุงู„ุทูˆู„ ุชุจุนู‡ VM
123
00:11:19,170 --> 00:11:29,110
ุฅุฐุง ู…ุงุนู†ุฏูŠ ู‡ุฐุง ู‡ูˆ ุงู„ู€ balance system ABC ABC ABC
124
00:11:29,110 --> 00:11:34,130
ู„ู„ุชุณูƒูŠุฑ ู‡ุฐุง ู…ุซู„ุง ุฅุฐุง ูƒุงู† ุนู†ุฏ ุงู„ู€ zero ูƒู…ุซุงู„ ู‡ุฐุง
125
00:11:34,130 --> 00:11:37,790
ู‡ูŠูƒูˆู† ุณุงุนุฉ ู…ูŠุฉ ูˆ ุนุดุฑูŠู† ู‡ุฐุง plus ู…ูŠุฉ ูˆ ุนุดุฑูŠู† ูˆุงุถุญุŸ
126
00:11:37,790 --> 00:11:42,510
ุฅุฐุง ุฏุงูŠู…ุง ู‡ุชูƒูˆู† ุงู„ุฒุงูˆูŠุฉ ุจูŠู†ู‡ู… ู…ูŠุฉ ูˆ ุนุดุฑูŠู† ุฏุฑุฌุฉ ู‡ุงูŠ
127
00:11:42,510 --> 00:11:48,650
ุงู„ balanced ABC sequenceุงู„ุฏูƒุชูˆุฑุฉ ุดุฑุท ุฃู† ูŠูƒูˆู† ุงู„ BA
128
00:11:48,650 --> 00:11:51,950
ุฒูŠ ู…ุง ูƒู†ุช ุชู‚ูˆู„ .. ู„ุฃ ู„ุฃ ู‚ู„ู†ุง ูƒุงู… ุณุฃู„ุฉ ู‡ูŠ zero ูˆ ู‡ูŠ
129
00:11:51,950 --> 00:11:54,670
ุชูƒูˆู† ู…ุงุฆุฉ ูˆ ุนุดุฑูŠู† ู„ูˆ ุบูŠุฑู†ุงู‡ุง ุฎู…ุณุฉ ุจู†ุฑูˆุญ ุฃู†ู‡ ุจูŠู†ู‡ู…
130
00:11:54,670 --> 00:11:57,570
ูŠูƒูˆู† ู…ุงุฆุฉ ูˆ ุนุดุฑูŠู† ุจุณ ูƒ reference ุฃุฎุฏู†ุงู‡ุง ุฏูŠ zero
131
00:11:57,570 --> 00:12:00,890
ู…ุด ุดุฑุท ูƒุงู†ุช ุชูƒูˆู† ุญุชุดูˆู ุฃู…ุซู„ุฉ ุฃู†ูƒ ุชูƒูˆู† ุนู„ู‰ ุฎู…ุณุฉ ุจุณ
132
00:12:00,890 --> 00:12:04,410
ู„ุงุฒู… ูŠูƒูˆู† ุจูŠู†ู‡ู… ู…ุงุฆุฉ ูˆ ุนุดุฑูŠู† ุฏุฑุฌุฉ ูˆ ุงู„ุณุฃู„ุฉ ุชุชุจุน ู„ู„
133
00:12:04,410 --> 00:12:04,690
..
134
00:12:08,970 --> 00:12:14,130
ู‡ุฐู‡ ู„ุงุฒู… ุชูƒูˆู† ุฏุงูŠู…ุง ุจุนูŠุฏุŒ ู‡ุฐู‡ ุจุนูŠุฏุŒ ู‡ุฐู‡ ู‚ุจู„ุŒ ูŠุนู†ูŠ
135
00:12:14,130 --> 00:12:17,970
ุฅุฐุง ู‡ุฐู‡ ุฎู…ุณุฉุŒ ู‡ุฐู‡ ุจุชูƒูˆู† ุนู†ุฏ ู…ูŠุฉ ุฎู…ุณ ูˆุนุดุฑูŠู†ุŒ ูˆุงุถุญุŸ
136
00:12:17,970 --> 00:12:22,570
ู‡ุฐู‡ ู‡ุชูƒูˆู† ุนู†ุฏ ุณุงู„ุจ ู…ูŠุฉ ูˆุฎู…ุณ ุทุนุด .. ูˆู‚ุฏุฑุดุŸ ูˆุฎู…ุณ ุทุนุด
137
00:12:24,220 --> 00:12:27,800
ูˆุงุถุญุŸ ุฅุฐุง ุงู„ู„ูŠ ู„ุงุฒู… ูŠูƒูˆู† ุจูŠู†ู‡ู… 120 ุฏุฑุฌุฉุŒ ู‡ุฐุง ุฃูˆู„
138
00:12:27,800 --> 00:12:31,860
ูˆุงุญุฏ ุจูŠุธู‡ุฑ ุงู„ู€CุŒ ุงู„ู€120 ุฃูˆู„ ูˆุงุญุฏ ุจูŠุธู‡ุฑุŒ ุจูŠุฌูŠ ุจุนุฏู‡
139
00:12:31,860 --> 00:12:37,320
ุงู„ู€VAุŒ ุจุนุฏูŠู† ุงู„ู€VCุŒ ุงู„ู€VBุŒ ุฅุฐุง ุนู†ุฏูŠ ุงู„ first ููŠ
140
00:12:37,320 --> 00:12:41,280
ุงู„ู…ุซุงู„ ุงู„ู„ูŠ ู‚ุฏุงู…ู†ุงุŒ ุจู…ุซู„ู†ูŠ balanced three ููŠ ุงู„
141
00:12:41,280 --> 00:12:45,540
system ุงู„ู€A, B, CุŒ ุงู„ุจูุณุช ููŠ sequence ู†ูŠุฌูŠ ู„ู„
142
00:12:45,540 --> 00:12:48,200
negative sequenceุŒ ููŠ ุงู„ negative sequence
143
00:12:50,870 --> 00:12:56,030
ู„ูŠู‡ ุงู„ A, C, B ู„ูˆ ุฃุฎุฏู†ุง ุจุฑุถู‡ ุงู„ A ู‡ูˆ ุงู„ reference
144
00:12:56,030 --> 00:13:02,510
ูŠุนู†ูŠ VA ุงู„ู„ูŠ ู„ู‡ maximum value VM ูˆุงู„ุฒุงูˆูŠุฉ ุจุชุงุนุชู‡
145
00:13:02,510 --> 00:13:08,050
zero ูƒ reference ุทุจุนุงู‹ ู‡ุฐุง volt ู‡ูŠูƒูˆู† VP ู‡ูˆ ุงู„ุณุงุจู‚
146
00:13:08,050 --> 00:13:15,790
ู‡ูŠูƒูˆู† VM ูˆุงู„ุฒุงูˆูŠุฉ 120 ุฏุฑุฌุฉ ูˆ VC ู‡ูˆ ุงู„ู„ุงุญู‚ ุงู„ู„ูŠ ู‡ูˆ
147
00:13:15,790 --> 00:13:27,660
ู‡ูŠูƒูˆู† VMูˆุงู„ุฒุงูˆูŠุฉ ุณุงู„ู‚ ู…ุงุฆุฉ ูˆุนุดุฑ ู†ุฑุณู…ู‡ุง
148
00:13:27,660 --> 00:13:45,100
ู†ุฑุณู…ู‡ุง
149
00:13:45,100 --> 00:13:48,520
ุงู†ุฏู„ ู‡ูŠ ุงู„ VB ู…ุงุฆุฉ ูˆุนุดุฑูŠู†
150
00:13:52,880 --> 00:14:00,080
ูˆุงู„ุทูˆู„ vm ู‡ูŠ vb va ุนู†ุฏ ุงู„ู„ูŠ ู‡ูˆ ุงู„ zero ุงู„ู„ูŠ ู†ูุณ ุงู„
151
00:14:00,080 --> 00:14:05,320
amplitude vm ูˆ ุงู„ุฒุงูˆูŠุฉ zero ู‡ูŠ va ูˆ vc ุงู„ู„ูŠ ู‡ูˆ ุนู†ุฏ
152
00:14:05,320 --> 00:14:10,440
ู…ุงูŠู†ูˆุณ ู…ูŠุฉ ูˆ ุนุดุฑูŠู† ุฏุฑุฌุฉ ูˆ ุทูˆู„ู‡ ุงู„ู„ูŠ ู‡ูˆ ุจุฑุถู‡ vm ู‡ุฐุง
153
00:14:10,440 --> 00:14:19,560
vc high balance system ุนู†ุฏ ุงู„ va vb vc ุงู„ negative
154
00:14:19,560 --> 00:14:21,300
sequence ู‡ุชูƒูˆู† a
155
00:14:25,340 --> 00:14:38,280
ACB ACB ุงู„ู„ูŠ
156
00:14:38,280 --> 00:14:44,720
ุจูŠู…ูŠุฒ ุงู„ balance system ุฃุณูˆุฃ ุงู„ ABC ูˆู„ุง ุงู„ ACB ุงู†ู‡
157
00:14:44,720 --> 00:14:47,040
ู…ุฌู…ูˆุนุฉ ุฏูˆู„ ุงู„ voltages ุจุณุงุนุฉ 0
158
00:14:50,000 --> 00:14:54,500
ู…ุซู„ุงุŒ ุงู„ู€ sequence ุงู„ู€ A,B,C ุฃูˆ ุงู„ู€ sequence ุงู„ู€ A
159
00:14:54,500 --> 00:15:00,600
,C,B ู„ุงุฒู… ูŠูƒูˆู† ู…ุฌู…ูˆุน ุงู„ู€ VA ุฒุงุฏ ุงู„ู€VB ุฒุงุฏ ุงู„ู€ VC
160
00:15:00,600 --> 00:15:03,780
ุจุณุงุนุฉ ูˆ ุณูุฑุŒ ู‡ุฐุง ุงู„ู€ balanced ู†ุญู† ู†ุชูƒู„ู… ุนู† ุงู„ู€
161
00:15:03,780 --> 00:15:06,980
economic reasons ู†ุงุฎุฏ ุงู„ู€ balance system ู…ุฌู…ูˆุญู‡ู…
162
00:15:06,980 --> 00:15:09,180
ุจุณุงุนุฉ ูˆ ุณูุฑ ู‡ุฐุง ุงู„ุญูƒูŠ ุจุฑุถู‡ ุจู†ุทุจู‚ ุนู„ู‰
163
00:15:09,180 --> 00:15:14,340
ุงู„instantaneous values ู„ู‡ู… ู†ุญู† ู†ุนุฑู ุฃู†ู†ุง ุงู†ุชู‚ู„ ู…ู†
164
00:15:14,340 --> 00:15:18,780
ุงู„instantaneous ู„ู€ phasor value ู†ูุณ ุงู„ูƒู„ุงู… ุจุชุทุจู‚
165
00:15:34,050 --> 00:15:38,250
ุทุจุนุง ุฅุซุจุงุชู‡ู… ู…ุด ุตุนุจ ุฌุฏุง ูŠุนู†ูŠ ุณู‡ู„ ุฌุฏุง ุฅุซุจุงุช ุฃู†ู‡
166
00:15:38,250 --> 00:15:43,350
ู…ุฌู…ูˆุนู‡ ุจุณุงูˆูŠ ุณูุฑ ู…ู…ูƒู†
167
00:15:43,350 --> 00:15:47,390
ู†ุซุจุชู‡ algebraically ูˆ ู…ู…ูƒู† ู†ุซุจุชู‡ ู…ู† ุฎู„ุงู„ ุงู„ุฑุณู…ุงุช
168
00:15:47,390 --> 00:15:51,470
ู†ุดูˆู
169
00:15:51,470 --> 00:15:56,730
ุฃู…ุซู„ุฉ ุนู„ู‰ ุงู„ู„ูŠ ู‡ูˆ ุงู„phasor system ู…ู…ูƒู† ุจุงู„ุฑุณู…ุงุช
170
00:15:56,730 --> 00:16:00,750
ุจุชุนุฑููˆุง ูƒูŠู ู…ุฌู…ูˆุน two phasors ุงู†ุชูˆุง ุงู‡ ุฎุฏุชูˆู‡ ููŠ ุงู„
171
00:16:00,750 --> 00:16:06,240
.. ููŠ ุงู„ calculusุงู„ู„ูŠ ู‡ูˆ ุงู„ู‚ุท ุงู„ู‚ุทุฑ ู‡ูŠุทู„ุน ุจุณุงูˆุฉ ููŠ
172
00:16:06,240 --> 00:16:10,340
ุงู„ู…ู‚ุฏุงุฑ ูˆู…ุถุงุฏ ุงู„ุงุชุฌุงู‡ ู„ู„ูŠ ุชุญุช ู‡ูŠูƒูˆู† ู…ุฌู…ูˆุนุฉ ุจุณุงูˆุฉ
173
00:16:10,340 --> 00:16:15,660
ุณูุฑ ุจุงู„ุฑุณู… ุณู‡ู„ ุฌุฏุงุŒ ุจู„ ุงู„ุญู„ ู‡ูŠูƒูŠ ุจุฏูŠ ุงุนูˆุฏ ุงุนูˆุฏ ุนู„ู‰
174
00:16:15,660 --> 00:16:21,420
ุงู„ cosine ูˆ ุงู„sin ูˆ ุจุทู„ุน ุจุฑุถู‡ ุณูุฑ ุดูˆู ู…ุซุงู„ example
175
00:16:21,420 --> 00:16:28,130
ุนู„ู‰ ุงู„ feather system ู„ูˆ ูƒุงู†ุช ุนู†ุฏูŠ VA of Tุงู„ู€
176
00:16:28,130 --> 00:16:36,610
instantaneous value ู„ู„ููŠุฒ A 208 cos ฯ‰t ุฒุงุฆุฏ 27
177
00:16:36,610 --> 00:16:52,010
ุฏุฑุฌุฉ volt ูˆ Vb of T ุงุชุณุงูˆ 288 cos ฯ‰t ุฒุงุฆุฏ 147 V ูˆ
178
00:16:52,010 --> 00:16:58,970
Vc of Tุจุชุงู† ูˆ ุชู…ุงู†ูŠุฉ cosine ุงู„ู€ Omega T minus
179
00:16:58,970 --> 00:17:04,730
ุชู„ุงุชุฉ ูˆุชุณุนูŠู† ุฏุฑุฌุฉ V ุฅูŠุด ุงู„ sequenceุŸ ุฃูˆู„ ุณุคุงู„
180
00:17:04,730 --> 00:17:13,470
ุจูŠุณุฃู„ู†ูŠ ุฅูŠู‡ุŸ ุฅูŠู‡ุŸ ุฅูŠุด ู‡ูŠ ุงู„ sequenceุŸ ู‡ู„
181
00:17:13,470 --> 00:17:19,100
ู‡ูŠ ุงู„ ABC ูˆู„ุง ุงู„ ACVุŸ ุฎู„ู†ุง ู†ุดูˆูู†ุญุทู‡ู… ุนู„ู‰ ุดูƒู„
182
00:17:19,100 --> 00:17:26,360
phasor VA ุฅูŠุด ู‡ุชูƒูˆู† ุงู„ู€ 208 ูˆุงู„ุฒุงูˆูŠุฉ ู‚ุฏุงุด 27 ุฏุฑุฌุฉ
183
00:17:26,360 --> 00:17:38,960
volt VB ุจุชุณุงูˆูŠ 208 ูˆุงู„ุฒุงูˆูŠุฉ 174 ุฏุฑุฌุฉ volt ูˆ VC
184
00:17:38,960 --> 00:17:48,140
ุจุชุณุงูˆูŠ 208 ูˆุงู„ุฒุงูˆูŠุฉ ุณุงู„ุจ 93 ุฏุฑุฌุฉ voltูˆูŠู† ุงู„ุณุจุนุฉ
185
00:17:48,140 --> 00:17:56,020
ูˆุงุฑุจุนูŠู†ุŸ ุดูƒุฑุง ู…ูŠุฉ ูˆ ุณุจุนุฉ ูˆุงุฑุจุนูŠู† A
186
00:17:56,020 --> 00:18:07,560
,B,C,A,B,C,A,B,C,A,B,C,A,B,C,A,B,C,A,B,C,A,B,C,A,B
187
00:18:07,560 --> 00:18:12,400
,C,A,B,C,A,B,C,A,B,C,A,B,C,A,B,C,A,B,C,A,B,C,A,B,C
188
00:18:12,400 --> 00:18:14,280
,A,B,C,A,B,C,A,B,C,A,B,C,A,B,C,A,B,C,A,B,C,A,B,C,A
189
00:18:14,280 --> 00:18:14,280
,B,C,A,B,C,A,B,C,A,B,C,A,B,C,A,B,C,A,B,C,A,B,C,A
190
00:18:14,650 --> 00:18:18,270
ูุฅุฐุง ุงู„ sequence ุชุนุทูŠ ุงู„ู„ูŠ ู‡ูŠ ุฌูˆุงุจ ุฅูŠุด ู‡ูŠ ุงู„
191
00:18:18,270 --> 00:18:22,270
sequence ู‡ูŠ ุงู„ a, c, b ุงู„ู„ูŠ ู‡ูŠ ุงู„ negative
192
00:18:22,270 --> 00:18:30,710
sequence ุงู„ negative sequence ู‚ูˆู„ ุฃุฑุณู…ูŠู‡ุง ู…ุด ู‡ูŠูƒูˆู†
193
00:18:30,710 --> 00:18:33,530
ุตุนุจ ุฑุณู…ู‡ุง ุฅุญู†ุง ุดูู†ุง ุฑุณู…ุงุช ู„ู…ุง ูƒุงู†ุช ุงู„ a ุนู„ู‰ ุงู„
194
00:18:33,530 --> 00:18:40,790
zero ู…ุด ู‡ุชูุฑู‚ ู„ูˆ ูƒุงู†ุช ุงู„ a ู„ู‡ุง ุฒุงูˆูŠุฉ ุงู„ a ุฒู‡ุฑุช ุนู†ุฏ
195
00:18:40,790 --> 00:18:42,210
ุงู„ 27 ุฏุฑุฌุฉ
196
00:18:44,800 --> 00:18:50,240
ูˆุงู„ุทูˆู„ ุชุจุนู‡ุง ูŠุนู†ูŠ ุชู‚ุฑูŠุจุง ู…ุง ุชุดุจุฑูŠ ู‡ูŠูƒูŠ 288 ู‡ุฏู‰ VA
197
00:18:50,240 --> 00:19:04,660
VB ุนู†ุฏ 147 ูŠุนู†ูŠ ุฎู„ู†ุง ู†ู‚ูˆู„ ู‡ูŠูƒ 147 ู‡ุฏู‰ ูƒู„ู‡ุง 147
198
00:19:04,660 --> 00:19:11,560
ุฏุฑุฌุฉ ูŠุนู†ูŠ ู‡ุฏู‰ ู‚ุฏุด ุจู‡ุง ุชูƒูˆู† 120 ุฏุฑุฌุฉู…ูŠุฉ ูˆ ุนุดุฑูŠู†
199
00:19:11,560 --> 00:19:15,480
ุฏุฑุฌุฉ ุจูŠู† ุงู„ู„ูŠ ู‡ูˆ ุงู„ A ูˆ ุงู„ B ู‡ุงูŠ VB ุงู„ู„ูŠ ุฅู„ู‡ุง
200
00:19:15,480 --> 00:19:20,380
ุทูˆู„ู‡ุง ุจุฑุถู‡ ุงุชุงู† ูˆ ุชู…ุงู†ูŠุฉ ุจูŠุฌูŠ ู„ู„ CุŒ ุงู„ C ุนู†ุฏ minus
201
00:19:20,380 --> 00:19:24,060
ุชู„ุงุชุฉ ูˆ ุชุณุนูŠู†ุŒ ู‡ุงูŠ ุชู‚ุฑูŠุจุง ุชุณุนูŠู† ุชู„ุงุชุฉ ุจุณ ุจูŠุถุน
202
00:19:24,060 --> 00:19:29,400
ุนู„ูŠู‡ุง ูŠุนู†ูŠ
203
00:19:29,400 --> 00:19:36,940
ุจูŠู†ู‡ุง ูˆุจูŠู† ุงู„ A ู‚ุฏุงุดุฑ ู…ูŠุฉ ูˆ ุนุดุฑูŠู† ุฏุฑุฌุฉุทูˆู„ู‡ุง ู…ุชูŠู† ูˆ
204
00:19:36,940 --> 00:19:41,360
ุชู…ุงู†ูŠุฉ ุจุฑุถู‡ ูˆ ู‡ุฐู‡ ุงู„ู„ูŠ ู‡ูŠ ุงู„ B A ูˆ ุจุฑุถู‡ ุจูŠู† ุงู„ู„ูŠ
205
00:19:41,360 --> 00:19:51,200
ู‡ูˆ ุงู„ A ูˆ ุงู„ B ู‡ู†ู„ุงู‚ูŠ ุงู„ B ูŠุนู†ูŠ ุชุนุงู„ู‰
206
00:19:51,200 --> 00:19:56,080
ู†ุดูˆู ูƒู…ุงู† ู…ุซุงู„
207
00:19:56,080 --> 00:20:02,220
ููŠ
208
00:20:02,220 --> 00:20:03,520
ุญุจุฉ ุฏูˆู„ ..
209
00:20:07,200 --> 00:20:13,680
ุจุชูƒู… ู„ุบุฉ ุฑุณู…ูŠุฉ ู†ุงุฎุฏ ูƒู…ุงู† ู…ุซุงู„ ุนุดุงู† ู†ุชุฃูƒุฏ ุงู† ุงุญู†ุง
210
00:20:13,680 --> 00:20:19,020
ุนุงุฑููŠู† ุงู„ู€ sequences ู…ุง ุจูŠู† ุงู„ three voltages ู…ุซุงู„
211
00:20:19,020 --> 00:20:25,540
ุงู„ุชุงู†ูŠ ุจู‚ูˆู„ V A of T V A
212
00:20:25,540 --> 00:20:30,820
of T ุชุณุงูˆูŠ 416416
213
00:20:30,820 --> 00:20:44,650
cosine Omega T minus 18Volt Vb of T 4160
214
00:20:44,650 --> 00:20:58,170
Cos Omega T minus 138 degree Vc of T 4160
215
00:20:58,170 --> 00:21:06,170
Cos Omega T plus 102 degree
216
00:21:08,510 --> 00:21:12,570
ู†ูุณ ุงู„ุญุงุฌุฉ ุทุงู„ุจ ู…ู†ู†ุง ู†ุญุฏุฏ ู‡ู„ ู‡ูŠ ุงู„ู€ positive ูˆู„ุง
217
00:21:12,570 --> 00:21:20,310
ุงู„ู€ negative sequence ุจุญุท VA ุชุณุงูˆูŠ 4160 ูˆ ุงู„ุฏุฑุฌุฉ
218
00:21:20,310 --> 00:21:28,390
minus eighty degree ุงู„ูุงุณ ุชุจุนู‡ุง VB 4160 ูˆ ุงู„ูุงุณ
219
00:21:28,390 --> 00:21:35,910
138degree ูˆ Vc ุนุจุงุฑุฉ ุนู† four thousand one hundred
220
00:21:35,910 --> 00:21:41,150
sixty ูˆ ุงู„ููŠุฒ one hundred and two volt ุงูˆู„ ุญุฏ
221
00:21:41,150 --> 00:21:45,450
ุจูŠุธู‡ุฑ ุงู„ู„ูŠ ู‡ูˆ ุงู„ Vc ุนู„ู‰ ู…ูŠุฉ ูˆ ุงุชู†ูŠู† ุจุนุฏูŠู† ุงู„ Va
222
00:21:45,450 --> 00:21:48,830
ุนู†ุฏ minus ุชู…ุงู†ุชุงุด ุจุนุฏูŠู† ุงู„ Vb ุนู†ุฏ minus ู…ูŠุฉ ูˆ
223
00:21:48,830 --> 00:21:54,630
ุชู…ุงู†ูŠุฉ ูˆ ุชู„ุงุชูŠู† ุงุฐุง ู‡ูŠ ุงู„ ABCุฃูˆู„ ุญุฏ ุจุธู‡ุฑ ุงู„ C
224
00:21:54,630 --> 00:22:00,710
ุจุนุฏูŠู† ุงู„ A ุจุนุฏูŠู† ุงู„ B ุฅุฐุง ู‡ูŠ ุงู„ A ุจูŠ C sequence
225
00:22:00,710 --> 00:22:14,950
ุจุฑุถู‡ ู†ุฑุณู…ู‡ุง ู…ุน ุจุนุถ ุงู„
226
00:22:14,950 --> 00:22:18,790
A ุนู†ุฏ minus 18 ุทูˆู„ู‡ุง
227
00:22:20,330 --> 00:22:23,670
ูŠุนู†ูŠ ุดูˆูŠุฉ ู…ุจู„ุบุฉ ุจุงู„ุฅูŠุชูŠู… ู…ุด ู…ุดูƒู„ุฉ four thousand
228
00:22:23,670 --> 00:22:27,930
and hundred sixty ุงู†ุง eighteen ุฏุฑุฌุฉ ูˆ ู‡ุฐู‡ ุงู„ู„ูŠ ู‡ูŠ
229
00:22:27,930 --> 00:22:31,630
va vb
230
00:22:31,630 --> 00:22:37,770
and ุงู„ู„ูŠ ู‡ูŠ minus ู…ูŠุฉ ุงูˆ ุชู„ู…ุงู†ูŠุฉ ุงูˆ ุชู„ุงุชูŠู† ู…ูŠุฉ ูˆ
231
00:22:37,770 --> 00:22:43,870
ุชู…ุงู†ูŠุฉ ุงูˆ ุชู„ุงุชูŠู† ุฏุฑุฌุฉ ุดูˆูŠุฉ
232
00:22:43,870 --> 00:22:47,150
ุงูƒุจุฑ ู…ู† ุงู„ุฃุตุจุน ู‡ู†ุง ููŠ ุดูˆูŠุฉ ุชู‚ุฑูŠุจุง ู‡ู†ุง
233
00:22:50,340 --> 00:22:58,440
ุจูŠู† ุงู„ุชู†ุชูŠู† ุฅูŠุด ู‡ุชูƒูˆู†ุŸ ู…ูŠุฉ ูˆ ุนุดุฑูŠู† ุงู„ู‚ูŠู…ุฉ
234
00:22:58,440 --> 00:23:04,660
ุจุงู„ volts ูˆ Vc ู…ู† ู…ูŠุฉ ูˆ ุงุชู†ูŠู† ู„ุฅู† ุงุญู†ุง ู†ู‚ูˆู„ ุชู‚ุฑูŠุจุง
235
00:23:04,660 --> 00:23:11,900
ู‡ู†ุง Vc four thousand hundred sixty ูˆ ู‡ู†ุง ุนู†ุฏูŠ ู…ูŠุฉ
236
00:23:11,900 --> 00:23:17,790
ูˆ ุงุชู†ูŠู†ุดูˆูŠุฉ ุจู„ุนุจ ุงู„ุฑุณู…ุงุช ุจุณ ูŠุนู†ูŠ ูู‰ ุงู„ู†ู‡ุงูŠุฉ ุจูŠู† ุงู„
237
00:23:17,790 --> 00:23:21,970
two phases ู‡ุฏูˆู„ุฉ ู…ูŠุฉ ูˆ ุนุดุฑูŠู† ุฏุฑุฌุฉ ุงู„ู„ู‰ ู‡ู‰ ุงู„ุทู…ู†ุชุงุด
238
00:23:21,970 --> 00:23:27,210
ูˆ ุงู„ู…ูŠุฉ ูˆ ุงุชู†ูŠู† ูˆ ู‡ู†ุง ุจุฑุถู‡ ู…ูŠุฉ ูˆ ุนุดุฑูŠู† ุฏุฑุฌุฉ ุงุฐุง ู‡ู‰
239
00:23:27,210 --> 00:23:31,950
ุงู„ ABC sequence ูƒู„
240
00:23:31,950 --> 00:23:37,130
ุจูŠุนุฑู ู‡ู„ู‚ูŠุชู‡ ูŠู…ูŠุฒ ุจูŠู† ุงู„ sequences ุจุชู‚ุฏุฑ ุชู…ูŠุฒู‡ ู„ูƒ
241
00:23:37,130 --> 00:23:39,870
ุจูŠู† ุงู„ sequences ูˆ ุชุฑุณู…ูˆู‡ู… ุทุจ ุจุณ
242
00:23:48,800 --> 00:23:52,100
ู†ุดูˆู ุงู„ู„ูŠ ู‡ูˆ ุงู„ connection ููŠ ุงู„ุญุงู„ุงุช ุชูู†ุน ุงู„
243
00:23:52,100 --> 00:23:53,880
connection ู…ุง ุจูŠู† ุงู„ sources ูˆ ุงู„ loads
244
00:24:25,910 --> 00:24:28,090
ุฅุฐุง ุงู„ู€ connectionุŒ ู‚ู„ู‘ูˆุง ุฅุญู†ุง ุนู†ุฏู†ุง ุฃุฑุจุน
245
00:24:28,090 --> 00:24:32,390
ุงุญุชู…ุงู„ุงุชุŒ ุฃู†ุง ู‚ุฑูŠุฏุฉ ุฃุญุทูƒู… ุฅูŠุงู‡ุงุŒ ุจูŠูƒูˆู† ุนู†ุฏู‰ YุŒ ูŠุง
246
00:24:32,390 --> 00:24:40,190
Y ู‡ูŠ ุงู„ sourceุŒ ูˆู‡ู†ุง ุงู„ loadุŒ ูŠุง ุจูŠูƒูˆู† ุนู†ุฏู‰ YY ุฃูˆ
247
00:24:40,190 --> 00:24:48,490
Y ู…ุน Delta ุฃูˆ Delta ู…ุน Delta ุฃูˆ Delta ู…ุน YุŒ ู‡ุฐู‡
248
00:24:48,490 --> 00:24:51,270
ุงุญุชู…ุงู„ุงุช ุงู„ connection ู…ุง ุจู‚ู‰ ุจูŠู† ุงู„ source ูˆ ุงู„
249
00:24:51,270 --> 00:24:55,910
loadู†ุญูƒูŠ ุนู† ุงู„ู€ source ูƒูŠู ุจูŠูƒูˆู† ุนู„ู‰ ุดูƒู„ Y ุฃูˆ
250
00:24:55,910 --> 00:25:00,090
Delta ุนุดุงู† ู†ู‚ุฏุฑ ู†ุดูˆู ูƒูŠู ุงู„ connection ุจูŠุตูŠุฑ ู†ุจุฏุฃ
251
00:25:00,090 --> 00:25:10,190
ุจุงู„ sources ุงู„
252
00:25:10,190 --> 00:25:15,190
source ู‡ูˆ ุฃุฏุงุฑุฉ ุนู† ุถูˆู„ุฉ ุงู„ source ุฅุฐุง ุฃู†ุง ุจูŠุญูƒูŠ ุนู†
253
00:25:15,190 --> 00:25:20,070
ุงู„ Y connection ู‡ูŠูƒูˆู† ุจู‡ุฐุง ุงู„ุดูƒู„ ุงู„ Y connection
254
00:25:20,070 --> 00:25:32,760
ู‡ูŠุทู„ุนุช sourcesุงู„ู€ A ูˆุงู„ู€ B ูˆุงู„ู€ C ุฅุฐุง
255
00:25:32,760 --> 00:25:39,260
ุทู„ุนู†ุง ุนู„ู‰ ู‡ุฐุง ุงู„ุดูƒู„ ู‡ูˆ ุนุจุงุฑุฉ ุนู† Y ู‡ุงูŠ ู…ุซู„ุง VA ู‡ุงูŠ
256
00:25:39,260 --> 00:25:44,940
VB ูˆู‡ุงูŠ VC ุทู„ุนูˆุง ุงู„ุณุงู„ุจ ู…ุงู„ู‡ ู…ุน ุจุนุถู‡ ู…ูˆุตูˆู„ ุงู„ null
257
00:25:44,940 --> 00:25:48,320
ุชุจุนู‡ู… ุฃูˆ ุงู„ุณุงู„ุจ ุงู„ negative side ู…ูˆุตูˆู„ ู…ุน ุจุนุถู‡
258
00:25:49,930 --> 00:25:53,610
common ุจูŠู†ู…ุง ุงู„ู€ positive sides ู‡ูˆ ุงู„ู…ุบุฒูŠ ุงู„ุทุฑู
259
00:25:53,610 --> 00:25:57,990
ุงู„ู…ุบุฒูŠ ุงู„ู€ I ู‡ุงูŠ ุงู„ A ูˆ ู‡ุงูŠ ุงู„ B ูˆ ู‡ุงูŠ ุงู„ C ู‡ุฐุง Y
260
00:25:57,990 --> 00:26:02,710
connection ู‡ุฐุง ุจู†ุณู…ูŠู‡ ideal ูŠุนู†ูŠ ุจู…ุนู†ู‰ ุฃู†ู‡ ุนู†ุฏ ุงู„
261
00:26:02,710 --> 00:26:09,630
impedance ุจุชุงุนุฉ ู‡ุฏูˆู„ุฉ ุงู„ sources ุจุชุณุงูˆูŠ Zero ู„ูŠุด
262
00:26:09,630 --> 00:26:15,190
ideal ู„ุฃู† ู…ู‡ู… ู„ูู‡ุฏุฑ ุฑุงุณู†ุง ุงู„ู„ูŠ ู‡ูˆ ุงู„ impedanceู„ูˆ
263
00:26:15,190 --> 00:26:17,990
ุฃู†ุง ุจุฏุฃ ุฃู…ุซู„ ุงู„ู€ re-representation ู„ุงุฒู… ุฃุฏุฎู„ ููŠ
264
00:26:17,990 --> 00:26:21,910
ุนู†ู„ูŠู‡ุง ุชุจุงุฑู…ูŠู† ุงู„ impedance ูู‡ูŠูƒูˆู† ุงู„ุดูƒู„ ูƒุงู„ุชุงู„ูŠ
265
00:26:21,910 --> 00:26:31,930
ุนู†ุฏ ุงู„ source ู…ุซู„ุง va ูˆู‡ูŠ ุนู†ุฏูŠ vb ูˆู‡ูŠ ุนู†ุฏูŠ vc ูˆุถุนู
266
00:26:31,930 --> 00:26:35,610
ู…ุนู‡ู… ุงู„ impedance ุจุชุงุนุฉ ูƒู„ source ูŠุนู†ูŠ ู‡ุชูƒูˆู† ู…ุซู„ุง
267
00:26:35,610 --> 00:26:42,780
z source ุงู„ generator a g ู„ generator ู‡ุงูŠ ุงู„ุทุฑู aูˆ
268
00:26:42,780 --> 00:26:54,260
ู‡ู†ุง ู‡ูŠูƒูˆู† Z generator B ูˆู‡ูŠ ุงู„ุทุฑู B ูˆุนู†ุฏูŠ ู‡ู†ุง
269
00:26:54,260 --> 00:26:58,060
ู‡ูŠูƒูˆู† ุจุฑุถู‡ ุงู„ impedance ุจุชุงุนุฉ ุงู„ source ุงู„ู„ูŠ ู‡ูˆ
270
00:26:58,060 --> 00:27:07,260
ZGC ูˆ ู‡ุฐุง VC ูˆ ู‡ูŠูƒูˆู† ุนู†ุฏูŠ C ุฏู‡
271
00:27:07,260 --> 00:27:08,440
ุงุฑุชุจู‡ุง ุดูˆูŠุฉ ุงูƒุชุฑ
272
00:27:14,780 --> 00:27:19,440
ุฅุฐุง ุนู†ุฏูŠ ุงู„ู€ Y representation ูƒู…ุง ุดุงูŠููŠู†ู‡ุŒ ู‡ุงูŠ
273
00:27:19,440 --> 00:27:26,360
ุงู„ู€A ูˆู‡ุงูŠ ุงู„ู€B ูˆู‡ุงูŠ ุงู„ู€C ู‡ุฐุง Y representation
274
00:27:26,360 --> 00:27:29,740
ู„ุตูˆุฑุฉ ุฃุณูˆุฃู‡ุง ููŠ ุงู„ู€I ุฏูŠ ู„ุฅู†ูŠ ุฃุญู…ู„ุช ุงู„ู€ impedance
275
00:27:29,740 --> 00:27:32,780
ุจุชุงุนุชู‡ ูˆุฃุนุชุจุฑุชู‡ุง short circuits ุฃูˆ representation
276
00:27:32,780 --> 00:27:36,120
ุฅู†ูŠ ุฎู„ู‘ูŠุช ููŠู‡ุง ุงู„ุฅุนุชุจุงุฑ ุงู„ impedance ุจุชุงุนุช ุงู„
277
00:27:36,120 --> 00:27:43,240
sources ู†ุดูˆู ุงู„ู€DeltaุŒ ู‡ุฐุง ุงู„ู€Y connection ุฏู‡ ู…ูŠู†ุŸ
278
00:27:43,240 --> 00:27:43,960
ู„ุตูˆุฑุฉ
279
00:27:46,740 --> 00:27:57,300
ู‡ู†ุดูˆู ุงู„ู€ delta connection ู„ู„ source ู‡ู„ุงุญุธ
280
00:27:57,300 --> 00:28:00,640
ุฃู†ู‡ ููŠ ุงู„ู€ delta connection ู‡ูŠ ู…ุซู„ุง ู…ุซู„ุง ู‡ูŠ minus
281
00:28:00,640 --> 00:28:04,560
ุงู„ plus ู‡ูŠ
282
00:28:04,560 --> 00:28:08,860
ุงู„ source ุงู„ุฃูˆู„ ู…ุซู„ุงุŒ ู‡ูŠูƒูˆู† ุงู„ plus ุงู„ minus ุชุจุนู‡
283
00:28:08,860 --> 00:28:13,970
ู…ูˆุตูˆู„ ู…ุน ุงู„ plus ุชุจุน ุงู„ source ุงู„ุชุงู†ูŠูˆ ุงู„ minus
284
00:28:13,970 --> 00:28:17,510
ุจุชุจุน ู‡ุฐุง ุงู„ source ู‡ูŠูƒูˆู† ู…ูˆุตูˆู„ ู…ุน ุงู„ plus ู„ุฃ ุงู„
285
00:28:17,510 --> 00:28:25,230
source ุงู„ุชุงู„ุช minus
286
00:28:25,230 --> 00:28:38,770
plus ู…ุซู„ุง ู‡ุฐุง va, vb ูˆ vc ู‡ุฐุง
287
00:28:38,770 --> 00:28:44,200
ุงู„ุทุฑู ุงู„ู…ูˆุฌุฉ ุจุชุจุน ุงู„ va ู…ุซู„ุง ู‡ุฐุง aู‡ุฐุง ุงู„ุทุฑู ุงู„ู…ูˆุฌุจ
288
00:28:44,200 --> 00:28:48,500
ุชุจุน ุงู„ VB ุฅุฐุง ู‡ูˆ B ูˆู‡ุฐุง ุงู„ุทุฑู ุงู„ู…ูˆุฌุจ ุชุจุน ุงู„ C ุฅุฐุง
289
00:28:48,500 --> 00:29:01,820
ู‡ูˆ C ู‡ุงูŠ ุงู„ Delta ู…ู†ุธุฑู‡ Delta ู‡ูˆ Delta Connection
290
00:29:01,820 --> 00:29:09,090
ุฅุฐุง ุฒูŠ ู…ุง ุชุดุงูŠููŠู† Delta Connection ุทุฑู ุงู„ู…ูˆุฌุจู„ุฃ ุงู„
291
00:29:09,090 --> 00:29:12,730
source A ูˆุงู„ุทุฑู ุงู„ุณุงู„ุจ ู„ู„ source V ู…ูˆุตู†ูŠู† ู…ุน ุจุนุถ
292
00:29:12,730 --> 00:29:16,850
ุงู„ุณุงู„ุจ ุชุจุน A ู…ุน ุงู„ู…ูˆุฌุจ ุชุจุน B ู…ูˆุตู†ูŠู† ู…ุน ุจุนุถ ุงู„ุณุงู„ุจ
293
00:29:16,850 --> 00:29:20,310
ุชุจุน B ู…ุน ุงู„ู…ูˆุฌุจ ุชุจุน BC ู…ูˆุตู†ูŠู† ู…ุน ุจุนุถ ุนุดุงู† ุงุนุทูŠู†ูŠ
294
00:29:20,310 --> 00:29:25,130
ุงู„ delta ุงู„ุทุฑู A ุจุณู…ูŠู‡ ู„ุฃู†ู‡ ู…ูˆุตูˆู„ ุจุงู„ุทุฑู ุงู„ู…ูˆุฌุจ ู„A
295
00:29:25,130 --> 00:29:30,090
B ู„ุฃู†ู‡ ู…ูˆุตูˆู„ ุจุงู„ุทุฑู ุงู„ู…ูˆุฌุจ ุชุจุน B ูˆC ู„ุฃู†ู‡ ู…ูˆุตูˆู„
296
00:29:30,090 --> 00:29:34,930
ุจุงู„ุทุฑู ุงู„ู…ูˆุฌุจ ุชุจุน Cู„ูˆ ุจุฏู‰ ุงุชุนุงู…ู„ ู…ุน ideal .. ู…ุน
297
00:29:34,930 --> 00:29:39,310
real system ู‡ุฏู‚ู‡ idealุŒ ู„ูŠุด idealุŸ ู„ุฃู† ุงู†ุง ู…ู‡ู… ู„
298
00:29:39,310 --> 00:29:43,110
ุงู„ impedance ู†ุนุชุจุฑ ุงู„ impedance ุจุชุงุนุฉ ุงู„ sources
299
00:29:43,110 --> 00:29:48,490
ุจุชุณุงูˆูŠ 0 real system ู‡ูŠูƒูˆู† ุนู†ุฏู‰ ู‡ูŠ ุงู„ VA ูˆ ู…ุน ุงู„
300
00:29:48,490 --> 00:29:53,010
impedance ุจุชุงุนุชู‡ ู‡ุณู…ูŠู‡ุง ZGA ุงู„ู„ูŠ ู‡ูŠ ุงู„ impedance
301
00:29:53,010 --> 00:29:58,570
ุจุชุงุนุฉ ุงู„ generator Aูˆ ู‡ู†ุง ุญูŠูƒูˆู† ููŠ ุนู†ุฏูŠ ุงู„ู„ูŠ ู‡ูˆ vb
302
00:29:58,570 --> 00:30:03,130
ู…ุซู„ุง ู‡ุฐุง va ู‡ุงูŠ vb ูˆ ู‡ู†ุง ุงู„ู…ูˆุฌุจ ู‡ูŠูƒูˆู† ู…ูˆุตูˆู„ ู…ุน
303
00:30:03,130 --> 00:30:07,270
ุงู„ุณู„ุจ ุงู„ุณู„ุจ
304
00:30:07,270 --> 00:30:11,590
ู‡ูŠ vb ูˆ ู‡ูŠูƒูˆู† ู…ุนุงู‡ ุงู„ู„ูŠ ู‡ูˆ ุงู„ impedance ุจุชุงุนุชู‡
305
00:30:11,590 --> 00:30:18,430
ุงู„ู„ูŠ ู‡ูˆ z gb
306
00:30:18,430 --> 00:30:22,350
ุนุดุงู†
307
00:30:22,350 --> 00:30:24,850
ุฃูƒู…ู„ ุงู„ุฏู„ุชุฉ ูˆ ู„ุงูŠู‡ ู…ุดุงูƒู„
308
00:30:30,750 --> 00:30:34,010
ูˆ ุทุจุนุง ุงู„ุณุงู„ุจ ุจุชุงุน ุงู„ B ู‡ูŠูƒูˆู† ู…ุตูˆู„ ู…ุน ุงู„ู…ูˆุฌุฉ ุจุชุงุน
309
00:30:34,010 --> 00:30:37,210
ุงู„ C ูˆ ุงู„ุณุงู„ุจ ุจุชุงุน ุงู„ C ู…ุน ุงู„ู…ูˆุฌุฉ ุจุชุงุน ุงู„ A ูู‡ุฐุง
310
00:30:37,210 --> 00:30:42,910
ู‡ูŠูƒูˆู† VC ูˆ ู‡ุฐุง ZGC ูˆ ุจุงู„ุชุงู„ูŠ ู‡ุฐุง ุงู„ู…ุฎุฑุฌ ุงู„ู…ุตูˆู„ ู…ุน
311
00:30:42,910 --> 00:30:46,250
ุงู„ positive ุจุชุงุน A ู‡ูŠูƒูˆู† A ุงู„ู…ุฎุฑุฌ ุงู„ู…ุตูˆู„ ู…ุน ุงู„
312
00:30:46,250 --> 00:30:49,350
positive ุจุชุงุน B ู‡ูˆ B ูˆ ุงู„ู…ุฎุฑุฌ ุงู„ู…ุตูˆู„ ู…ุน ุงู„
313
00:30:49,350 --> 00:30:59,370
positive C ู‡ูˆ C ูู‡ุฐุง ุฅุฐุง ุงู„ delta source ูˆุงุถุญุŸ
314
00:31:08,520 --> 00:31:13,020
ู‡ุฐุง ุจุงู„ู†ุณุจุฉ ู„ู…ูŠู†ุŸ ู„ุฃ ุงู„ sources ุจุงู„ู†ุณุจุฉ ู„ู„ loads
315
00:31:13,020 --> 00:31:17,000
ุฃุณู‡ู„ ู„ุฃู† ู…ุงููŠุด ุงู„ู„ูŠ ุนู†ุฏู‰ loads ูŠุนู†ูŠ ู‡ุดูˆู ุงู„ loadsุŸ
316
00:31:17,000 --> 00:31:26,320
ู‡ุดูˆู ุงู„ loadsุŸ ุงู†ู…ุญูŠ ุงู„ุณูƒูˆุฑุฉ ุงู„ loadsุŸ
317
00:31:26,320 --> 00:31:30,200
ุฅุฐุง
318
00:31:30,200 --> 00:31:31,100
ูƒุงู† whyุŸ
319
00:31:39,300 --> 00:31:51,800
ู‡ูŠ ุฒุฏ ูˆุงุญุฏ ุฒุฏ ุชุงู†ูŠู† ุฒุฏ ุชู„ุงุชุฉ ุฅุฐุง ูƒุงู† ุฏุงู„ุชุง ู‡ูˆ
320
00:31:51,800 --> 00:31:57,880
ุงู„ู„ูŠ ู‡ูˆ ุงู„ุชุงุจุนูŠ ู‡ูˆ ุงู„ู„ูŠ ู„ู‡ ุชู„ุงุช ุฃุทุฑุงู ุฒุฏ
321
00:31:57,880 --> 00:32:05,400
ูˆุงุญุฏ ุฒุฏ ุชุงู†ูŠู† ุฒุฏ ุชู„ุงุชุฉ ุชู„ุงุช ุฃุทุฑุงู ุงู„ู„ูŠ ู‡ูˆ ุงู„ู„ูŠ ู‡ูˆ
322
00:32:05,400 --> 00:32:14,630
ุงู„ุชุงุจุนูŠู„ูˆุช ู…ุฌุฑุฏ ู…ู‚ุงูˆู…ุงุชุŒ ingredients ู‡ุฐู‡
323
00:32:14,630 --> 00:32:19,550
ุงู„ู„ูŠ ู‡ูŠ ุงู„ Y ู‡ูŠ ู…ู†ุธุฑู‡ุง ูˆู‡ูŠ ุฏู„ุชู‡ุง
324
00:32:25,910 --> 00:32:28,590
ุงู„ุงู† ุจุฏู†ุง ู†ู‚ูˆู… ุจุนู…ู„ูŠุฉ ุงู„ูˆุตู„ ุงู„ุญู‚ูŠู‚ูŠ ุงุญู†ุง ุณุจู†ุง
325
00:32:28,590 --> 00:32:31,950
ุนุงุฑููŠู† ูƒูŠู ุดูƒู„ ุงู„ source ูˆุนุงุฑููŠู† ูƒูŠู ุดูƒู„ ุงู„ load
326
00:32:31,950 --> 00:32:35,830
ูˆุนุงุฑููŠู† ุงู† ููŠ ุนู†ุฏู‰ two sequences ุงู„ู„ูŠ ู‡ูŠ ABC ูˆููŠ
327
00:32:35,830 --> 00:32:38,230
ุนู†ุฏ ุงู„ ACB ูˆุงุญุฏุฉ ู…ู†ู‡ู… ุณู…ูŠู†ุงู‡ุง ุงู„ positive ุงู„ู„ูŠ ู‡ูŠ
328
00:32:38,230 --> 00:32:44,570
ุงู„ ABC ABC ู…ูˆุฌุจุฉ ูˆ ุงู„ ACB ุณุงู„ุจุฉ ูˆ ุณุจู†ุง ุนุงุฑููŠู† ุงู†ู‡
329
00:32:44,570 --> 00:32:46,750
ุงู†ุง ุงู„ source ุชุจุน ู…ู…ูƒู† ุงูˆุตู„ู‡ ุนู„ู‰ ุดูƒู„ Delta ุงูˆ ู…ู…ูƒู†
330
00:32:46,750 --> 00:32:49,870
ุงูˆุตู„ู‡ ุนู„ู‰ ุดูƒู„ Y ูˆู†ูุณ ุงู„ุงุดูŠ ู„ู„ load ู…ู…ูƒู† ุงูˆุตู„ู‡
331
00:32:49,870 --> 00:32:54,900
Delta ุงูˆ Yู†ุดูˆู ูƒูŠู ุนู…ู„ูŠุฉ ุงู„ูˆุตู„ ู‡ุงู„ู‚ุทุฉ ูˆ ูƒูŠู ุจู†ุญู„ู„
332
00:32:54,900 --> 00:32:58,160
ู‡ุงูŠ ุงู„ุฏูˆุงุฆุฑ ูŠุนู†ูŠ ูƒู„ ุงู„ู„ูŠ ุงุญู†ุง ุจู†ุณุนู„ู‡ ู†ุชุนู„ู… ูƒูŠู
333
00:32:58,160 --> 00:33:02,740
ู†ุญู„ู„ ุงู„ ุฏูˆุงุฆุฑ ูุญู†ุจุฏุฃ ุจุงู„ system y to y ูŠุนู†ูŠ ุงู„
334
00:33:02,740 --> 00:33:08,460
source y ูˆ ุงู„ load y ูˆ ู…ู†ู‡ ู‡ุชุนู„ู… ูƒูŠู ุงุญู„ู„ ุงู„ุฏูˆุงุฆุฑ
335
00:33:08,460 --> 00:33:15,780
ุงู„ุชุงู†ูŠุฉ ูˆ ู‡ู†ุดูˆู ูƒูŠู ู‡ุฐุง ุงู„ุญุงุฌุฉ ุจูŠุตูŠุฑ ุงุฐุง ู‡ู†ุจุฏุฃ ุจู‚ู‰
336
00:33:15,780 --> 00:33:18,400
ุงู„ู„ูŠ ู‡ูŠ y to y system
337
00:33:21,150 --> 00:33:28,090
ุงู„ู€ Analysis ุงู„ู€
338
00:33:28,090 --> 00:33:37,390
Y ุงู„ู€ Y ูƒู„ ุดูŠุก ู‡ุฑุณู… ุงู„ system ุงู„ุญู‚ูŠู‚ูŠุŒ ู…ุง ุชูุถู„ูŠุด
339
00:33:37,390 --> 00:33:40,550
ุชุฎุงููˆุง ู…ู†ู‡ ู„ุฃู† ุงุญู†ุง ู…ุด ู‡ู†ุชุนุงู…ู„ ู…ุนุงู‡ุŒ ุงุญู†ุง ู‡ู†ุจุณุทู‡
340
00:33:40,550 --> 00:33:44,790
ู„ุทุฑูŠู‚ุฉ ุงู„ู„ูŠ ุงุญู†ุง ู‡ู†ุชุนุงู…ู„ ู…ุนุงู‡ ู†ุจุฏุฃ ุจุงู„ source ุงู„
341
00:33:44,790 --> 00:33:49,070
source ู‡ุชุฑุณู…ู‡ ุนู„ู‰ ุดูƒู„ Yูุงู„ู€Y ุงุญู†ุง ุจู†ุนุฑู ุงู† ุงู„ู€Y ู‡ูŠ
342
00:33:49,070 --> 00:33:53,250
ู…ู…ูƒู† ุงูƒุชุจู‡ุง ูˆ ููŠ ู†ุงุณ ุจูŠู‚ุฑุจูˆู‡ุง ุจู‡ุฐุง ุงู„ุดูƒู„ ุงู† ุงุญู†ุง
343
00:33:53,250 --> 00:33:57,670
ูƒู…ู‡ู†ุฏุณูŠู† ุจู†ุญุจ ุงู„ุฑุณู… ุจุฎุทูˆุท ุนุงุฏู„ุฉุŒ ุตุญุŸ ู…ุด ู‡ุชู„ุงู‚ูˆู†ุง
344
00:33:57,670 --> 00:34:00,970
ุจู†ุฑุณู… ุงู„ู„ูŠ ู‡ูŠ ุจุงู„ุฒุงูˆูŠุฉุŒ ู‡ุชู„ุงู‚ูˆู†ุง ุจู†ุฑุณู… ุจู‡ุฐุง ุงู„ุดูƒู„ุŒ
345
00:34:00,970 --> 00:34:04,150
ุจุณ ู‡ุฐู‡ ู‡ูŠ ู‡ุงูŠุŒ ุจุณ ุจูŠู† ุงู„ุจุฑุงุฏุดูŠู† ู‡ุฏูˆู„ุฉ ุจู…ุง ู‡ูˆ ููŠ
346
00:34:04,150 --> 00:34:09,550
ุฒุงูˆูŠุฉ 180ุŒ ุจุฑุถู‡ Y ุจุณ ู„ู…ุง ูู† ุงู„ุฑุณู…ุŒ ูŠุนู†ูŠ ู‡ูŠูƒูˆู† ุงู„
347
00:34:09,550 --> 00:34:15,090
source ุชุจุนูŠ ุฃู†ุง ู‡ุฑุณู… ุจู‡ุฐุง ุงู„ุดูƒู„ุŒ ุจุณ ู‡ูˆ ู…ูŠู†ุŸ YุŒ ุตุญุŸ
348
00:34:16,640 --> 00:34:25,200
ู‡ุฐู‡ ุงู„ู†ู‚ุทุฉ ูˆุตู„ุงู„ูŠ ุงู„ู„ูŠ ู‡ูˆ ุงู„ source ุงู„ุฃูˆู„ุงู†ูŠ ูˆุงู„
349
00:34:25,200 --> 00:34:29,220
impedance ุจุชุงุนุชู‡ ูˆู‡ุฐู‡ ุงู„ source ุงู„ุชุงู†ูŠ ูˆู‡ุฐู‡ ุงู„
350
00:34:29,220 --> 00:34:34,720
impedance ุจุชุงุนุชู‡ ูˆู‡ุฐู‡ ุงู„ source ุงู„ุชุงู„ุช ูˆู‡ุฐู‡ ุงู„
351
00:34:34,720 --> 00:34:37,280
impedance ุจุชุงุนุชู‡ ุงุญู†ุง ุงุชูู‚ู†ุง ุงู†ู‡ ููŠ ุงู„ y
352
00:34:37,280 --> 00:34:41,480
connection ู‡ูŠูƒูˆู† ููŠ ุนู†ุฏ ุงู„ุณู„ุจ ุชุจุนู‡ู… ูƒู„ู‡ ู…ูˆุตูˆู… ู…ุน
353
00:34:41,480 --> 00:34:46,730
ุจุนุถู‡ ู‡ุณู…ูŠู‡ ู†ู‚ุทุฉ n ุตุบูŠุฑุฉ ุงู„ null ุชุจุนู‡ู…ุงู„ู€ nullุŒ ุงู„ู€
354
00:34:46,730 --> 00:34:50,330
zero ุชุจุน ุงู„ three sources ูŠุนู†ูŠ ุงู„ู€ negative ุงู„ุทุฑู
355
00:34:50,330 --> 00:34:56,630
ุงู„ุณุงู„ุจ ุชุจุนู‡ ู…ูˆุตูˆู„ ู…ุน ุจุนุถู‡ ู‡ุณู…ูŠ ู‡ุฐุง V A prime in
356
00:34:56,630 --> 00:35:03,290
ู„ุฃู† ู‡ุฐู‡ ุงู„ู†ู‚ุทุฉ ู‡ุณู…ูŠู‡ุง A prime ู‡ุฐุง ุงู„ุทุฑู ูƒู„ู‡ ู‡ูˆ
357
00:35:03,290 --> 00:35:09,220
ุงู„ู„ูŠ ู‡ูŠุชุณู…ู‰ Aู…ู† a ู„ู†ู„ ู‡ูˆ ุงู„ source ุงู„ุฃูˆู„ ู‡ุฐู‡ ุนุจุงุฑุฉ
358
00:35:09,220 --> 00:35:19,680
ุนู† zja ุงู„ impedance ู„ู„ source a ู„ู„ generator a ู‡ู†ุง
359
00:35:19,680 --> 00:35:27,080
ุญุฌู ู‡ุฐุง ุงู„ู„ูŠ ู‡ูˆ vb prime in ู‡ุฐู‡ b prime ู‡ุฐู‡ ู‡ุชูƒูˆู†
360
00:35:27,080 --> 00:35:39,680
zgb ู‡ุฐู‡ ู‡ุชูƒูˆู† vC prime in ูˆู‡ูŠ ุงู„ู€ C prime ูˆู‡ุฏ ZGC
361
00:35:39,680 --> 00:35:51,100
ู‡ู†ุง ู‚ูˆู„ู†ุง ู‡ู‰ ู‡ู†ุณู…ูŠู‡ุง ุงู„ู†ู‚ุทุฉ A ู‡ู‰
362
00:35:51,100 --> 00:35:55,830
ุงู„ู†ู‚ุทุฉ B ูˆู‡ู‰ ุงู„ู†ู‚ุทุฉ Cุทู„ุน ุนู„ูŠู‡ ุงู„ voltage ุงุญู†ุง ุงูŠุด
363
00:35:55,830 --> 00:35:59,170
ุณู…ู†ุงู‡ุงุŸ ู‡ุฐุง ุงู„ voltage ู…ุซู„ุง ุชุทู„ุน ุนู„ู‰ ุงู„ source
364
00:35:59,170 --> 00:36:04,350
minus ุงู„ plusุŒ ู‡ุงูŠ ุงู„ู†ู‚ุทุฉ in ูˆู‡ุงูŠ ุงู„ู†ู‚ุทุฉ c prime
365
00:36:04,350 --> 00:36:08,630
ุณู…ูŠุชู‡ ู…ู† ุงู„ุทุฑู ุงู„ู„ูŠ ู‡ูˆ c prime ู„ inุŒ ู…ู† ุงู„ุฃุนู„ู‰
366
00:36:08,630 --> 00:36:14,550
ู„ุฃู‚ู„ุŒ vc prime in ูŠุนู†ูŠ ู…ุนู†ุงู‡ ู‡ุงุฏ ุนุจุงุฑุฉ ุนู† vc prime
367
00:36:14,550 --> 00:36:19,880
minus vin ุงู„ู„ูŠ ู‡ูŠ zeroุŒ vc prime inูŠุนู†ูŠ ู„ู…ุง ุจุฏุฃ
368
00:36:19,880 --> 00:36:27,640
ุฃุญูƒูŠ ุนู† VAB ุจุดูƒู„ ุนุงู… ุนุจุงุฑุฉ ุนู† VA minus VB ุจูƒูˆู† ุงู„
369
00:36:27,640 --> 00:36:34,720
voltage ุงู„ู„ูŠ ุจุญูƒูŠ ุนู†ู‡ ู…ู† ุงู„ู„ูŠ ู‡ูŠ A ู„ B ุชู…ุงู…ุŒ ุจุณ
370
00:36:34,720 --> 00:36:40,880
ู‡ุฐุง ู„ู„ุชุฐูƒูŠุฑ ู„ูŠุด ุฃู†ุง ุณู…ูŠุชู‡ VCN ู…ุด VNCุŒ VCN ุงู„ุฃูƒุจุฑ
371
00:36:40,880 --> 00:36:46,400
ู„ู„ุฃู‚ู„ VA prime N, VB prime N ุฒูŠ ู…ุง ุงุญู†ุง ู…ุชุนูˆุฏูŠู†
372
00:36:47,910 --> 00:36:50,330
ุชู…ุงู… ู‡ุฐุง ู…ูŠู† ุงู„ source ุชุจุนูŠ ุงู„ู„ูŠ ู‚ู„ู†ุง ุดูƒู„ู‡ ู…ูŠู†
373
00:36:50,330 --> 00:36:54,250
whyุŸ why ู„ุฃู†ู‡ ุฒูŠ ู‡ุฐู‡ ุงู„ุฑุณู…ุฉ ุฒูŠ ู…ุง ู‚ู„ุชู„ูƒู… ู‡ูŠ ู†ูุณ ุงู„
374
00:36:54,250 --> 00:36:58,550
why ู‡ุงูŠ ูˆุงุญุฏ ู…ู† ุงู„ source ูˆู‡ูŠ ุงุชู†ูŠู† ู…ู† ุงู„ sources
375
00:36:58,550 --> 00:37:02,030
ู‡ุฏูˆู„ุฉ
376
00:37:02,030 --> 00:37:05,910
ู…ู† ุฎู„ุงู„ transmission line ุฎุทูˆุท ู†ู‚ู„ ูŠุนู†ูŠ ุงูŠู‡ ุงู„ุฎุทูˆุท
377
00:37:05,910 --> 00:37:11,630
ุงู„ู†ู‚ู„ impedanceุŸ ุจุฏูŠ ุฃู†ู‚ูˆู„ ุงู„ุฃุญู…ุงู„ ู‡ุฐู‡ ูˆูˆุฏูŠู‡ุง ู„ู„
378
00:37:11,630 --> 00:37:16,450
loadุจูŠุนู†ู‚ู„ ุงู„ู‚ูˆุฉ ุงู„ electric power ูˆ ุงูˆุฏูŠู‡ุง
379
00:37:16,450 --> 00:37:30,230
ู„ู„ุฃุญู…ู‚ุŒ ุจุณ ู ..ู‡ุฐู‡ ู‡ุณู…ูŠู‡ุง Z1A Z1B Z1C Z1A ูˆ Z1B ูˆ
380
00:37:30,230 --> 00:37:33,970
Z1C ุจุชู‚ูˆู„ ุฅู† ู‡ุฐูŠ ู‡ูŠ ุงู„ ingredients ุจุชุงุน ุงู„
381
00:37:33,970 --> 00:37:37,770
transmission lines ู‡ุฏูˆู„ุฉ ุฎุทูˆุท ุงู„ู†ู‚ู„ ุงู„ู„ูŠ ู…ูˆุตูˆู„
382
00:37:37,770 --> 00:37:40,450
ู…ุซู„ุง ู‡ู†ุง ุจุงู„ generator A ูˆู‡ุฐุง ู…ูˆุตูˆู„ ุจุงู„ generator
383
00:37:40,450 --> 00:37:45,230
B ูˆู‡ุฐุง ู…ูˆุตูˆู„ ุจุงู„ generator C ู†ูŠุฌูŠ ู„ู€ B ู„ู„ load ุงู„
384
00:37:45,230 --> 00:37:49,230
load ุจุฑุถู‡ ุจุฏูŠ ู‡ูŠ ุนู„ู‰ ุดูƒู„ Deltaู‡ุฑุณู…ูˆุง ุจู†ูุณ ุงู„ุทุฑูŠู‚ุฉ
385
00:37:49,230 --> 00:37:51,890
ุฑุณู…ุช ููŠู‡ุง ุงู„ source ุงู„ Y ุจุชุฃุณูู‡ุง ู‡ุฑุณู…ูˆุง ุจู†ูุณ
386
00:37:51,890 --> 00:37:56,670
ุงู„ุทุฑูŠู‚ุฉ ุงู„ุฑุณู…ุช ููŠู‡ุง ุงู„ source ุงู„ู„ูŠ ู‡ูŠ ุงู„ Y ุจู‡ุฐู‡
387
00:37:56,670 --> 00:38:04,410
ุงู„ุทุฑูŠู‚ุฉ ู‡ุณู…ูŠ ู‡ุฐุง Z capital A ูŠุนู†ูŠ ุงู„ loads ู‡ู†ุนุทูŠู‡ู…
388
00:38:04,410 --> 00:38:10,090
capital A ูˆ ุงู„ sources small a ุนุดุงู† ู…ูŠุฒ ุงู„ load ุนู†
389
00:38:10,090 --> 00:38:16,400
ุงู„ source ุงู„ุทุฑู ุชุจุน ุงู„ load ู‡ุณู…ูŠู‡ capital Aู‡ุฏุง ZB
390
00:38:16,400 --> 00:38:27,060
ูˆ ู‡ุฏุง ู‡ุชูƒูˆู† capital B ูˆ
391
00:38:27,060 --> 00:38:35,120
ู‡ุฏูŠ ZC ูˆ ู‡ู†ุง ู‡ุชูƒูˆู† capital C
392
00:38:35,120 --> 00:38:40,600
ุชู…ุงู…ุŸ ุงุฐุง ุนู†ุฏูŠ ุงู„ load ุจุณ ุงุฎุฑ ุญุงุฌุฉ ู„ุฑุณู…ู‡ุง ุนุดุงู† ..
393
00:38:42,520 --> 00:38:46,800
ู‡ุฐุง ุงู„ู„ูŠ ู‡ูˆ ุงู„ null ุฎุท ุงู„ุนุฑุถูŠุŒ ุจุณ ุจูŠูƒูˆู† ู…ู‚ุงูˆู…ุฉ ู„ู‡ุŒ
394
00:38:46,800 --> 00:38:50,300
ู…ููŠุด ู„ู‡ ุฃูŠ generationุŒ ู‡ุฐุง ุงู„ null ุงู„ู„ูŠ ุบุงู„ุจุง
395
00:38:50,300 --> 00:38:52,760
ุจุชุถุนู ู„ู„ุญู…ุงูŠุฉุŒ ู…ุซู„ุง ู…ูŠุฒุฉ null
396
00:38:56,190 --> 00:38:59,670
ุฃู†ุง ู‡ุจุฏุฃ ู…ู† ุงู„ู…ุญุงุถุฑุฉ ุงู„ู‚ุงุฏู…ุฉ ู…ู† ู‡ุงูŠ ุงู„ุฑุณู…ุฉ ูŠุนู†ูŠ
397
00:38:59,670 --> 00:39:03,590
ุฃูˆู„ ู…ุง ู‡ุฏุฎู„ ู‡ุฑุณู… ู‡ุงูŠ ุงู„ุฑุณู…ุฉ ุนุดุงู† ู…ู†ู‡ุง ู‡ู†ุจุฏุฃ ุนู…ู„ูŠุฉ
398
00:39:03,590 --> 00:39:07,710
ุงู„ุชุญู…ูŠู„ ูˆ ู†ุดูˆู ูƒูŠู ู…ู…ูƒู† ู†ุจุณุท ุดุงูŠููŠู† ุงู„ุฏุงุฆุฑุฉ ู‡ุงูŠ
399
00:39:07,710 --> 00:39:11,490
ุงู„ูƒุจูŠุฑุฉ ู‡ุชุจุณุท ู…ุนู†ุง ูˆ ุชุตูŠุฑ ุฏุงุฆุฑุฉ ุตุบูŠุฑุฉ ูƒุชูŠุฑ ุงู„ู„ูŠ
400
00:39:11,490 --> 00:39:14,570
ู†ูู‡ู… ู†ุชุนุงู…ู„ ู…ุนุงู‡ุง ูˆ ุชุตูŠุฑ ุดุจูŠู‡ุฉ ุจุงู„ุฃุดูŠุงุก ุงู„ู„ูŠ
401
00:39:14,570 --> 00:39:20,770
ุงุชุนู„ู…ู†ุงู‡ุง ุฎู„ุงู„ ูƒู„ ุงู„ูุตู„ ู„ู„ู‚ุงุก ุงู„ู‚ุงุฏู… ุงู† ุดุงุก ุงู„ู„ู‡ ูˆ
402
00:39:20,770 --> 00:39:25,250
ู†ุดูˆููƒู… ูˆ ู†ูƒู…ู„ ููŠ ู…ุง ู‡ูˆ three phase system ูŠุนุทูŠูƒูˆุง
403
00:39:25,250 --> 00:39:25,650
ุงู„ุนุงููŠุฉ