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1
00:00:21,110 --> 00:00:25,070
ุจุณู… ุงู„ู„ู‡ ุงู„ุฑุญู…ู† ุงู„ุฑุญูŠู… ุงู„ุณู„ุงู… ุนู„ูŠูƒู… ูˆุฑุญู…ุฉ ุงู„ู„ู‡

2
00:00:25,070 --> 00:00:28,530
ูˆุจุฑูƒุงุชู‡ ุงุญู†ุง ุงู„ูŠูˆู… ุฅู† ุดุงุก ุงู„ู„ู‡ ู‡ู†ุจุฏุฃ ุงู„ุดุงุจุชุฑ ุงู„ุฃุฎูŠุฑ

3
00:00:28,530 --> 00:00:31,070
ุงู„ู„ูŠ ู‡ูˆ balanced 3 phase voltage

4
00:00:49,850 --> 00:00:55,050
ุงู„ู€ three phase system ูŠุณุชุฎุฏู… ู„ู…ุง ุจุฏู†ุง ู†ุนู…ู„ ุชูˆู„ูŠุฏ 

5
00:00:55,050 --> 00:00:59,230
ูˆ transmission ูˆ distribution ู„ู€ large blocks of

6
00:00:59,230 --> 00:01:03,250
electrical power ุนุดุงู† ู†ุนู…ู„ ู‡ุฐุง ุงู„ุญูƒูŠ ู„ุงุฒู… ู†ุณุชุฎุฏู… 

7
00:01:03,250 --> 00:01:08,250
ุงู„ู€ three phase system ู„ุฃุณุจุงุจ ุงู‚ุชุตุงุฏูŠุฉ ุจูŠุณุชุฎุฏู…ูˆุง 

8
00:01:08,250 --> 00:01:11,390
ุงู„ู€ system ุจู†ุณู…ูŠู‡ balanced three phase system

9
00:01:11,390 --> 00:01:15,350
ุจู†ุณู…ูŠู‡ balanced ู„ุฃุณุจุงุจ ุงู‚ุชุตุงุฏูŠุฉ

10
00:01:19,310 --> 00:01:23,170
balanced three phase voltage ู‡ุฐุง ุงู„ู€ system ุงู„ู„ูŠ ู„ู„

11
00:01:23,170 --> 00:01:26,750
generation ูˆ distribution ูˆ ุงู„ู€ transmission ู„ู„

12
00:01:26,750 --> 00:01:29,830
large blocks of electric power ุจูŠุณุชุฎุฏู… balanced

13
00:01:29,830 --> 00:01:34,850
ูู‚ุท ู„ุฃุณุจุงุจ ุงู‚ุชุตุงุฏูŠุฉ ุฅูŠุด ู…ุนู†ุงู‡ ู‡ุฐุง ุงู„ุญูƒูŠุŸ ู…ุนู†ุงู‡ ุฃู†ู‡

14
00:01:34,850 --> 00:01:41,870
ู‚ู„ู†ุง generation ูŠุนู†ูŠ ุงู„ู…ุตุฏุฑ ุชุจุนูŠ ู‡ูŠูƒูˆู† three phase

15
00:01:41,870 --> 00:01:45,690
voltage 

16
00:01:45,690 --> 00:01:46,250
source

17
00:01:51,360 --> 00:01:56,740
ู‚ู„ู†ุง distribution ูˆ ู„ุชุฑุงู†ุฒู…ูŠุดู† ุงู„ู€ distribution

18
00:01:56,740 --> 00:02:00,340
ูŠุนู†ูŠ ุงู„ู€ network ุจุชุงุนุชูŠ ุงู„ู€ loads ุงู„ุฃุญู…ุงู„ ุจุชุงุนุชูŠ ุงู„ู€

19
00:02:00,340 --> 00:02:05,500
loads ุจุฑุถู‡ three phase loads

20
00:02:05,500 --> 00:02:10,920
ูˆ ู„ุชุฑุงู†ุฒู…ูŠุดู† ู‡ูŠูƒูˆู† ุจุฑุถู‡ three phase lines

21
00:02:19,620 --> 00:02:22,120
ู‡ุฐุง ุงู„ู€ source ู‡ูŠูƒูˆู† ุงู„ู€ three-phase ู„ุฃู† ู‚ู„ู†ุง ู„ู€

22
00:02:22,120 --> 00:02:26,920
generation ู„ู€ transmission ูˆ distribution ู„ู„ุนุฌุจ

23
00:02:26,920 --> 00:02:29,040
ู„ูƒู†ู‡ ููŠ ุงู„ู€ electric power ู†ุณุชุฎุฏู… ุงู„ู€ three-phase

24
00:02:29,040 --> 00:02:32,720
system ู…ุนู†ุงู‡ ู‡ูŠูƒูˆู† ุงู„ู€ source three-phase system ุงู„ู€

25
00:02:32,720 --> 00:02:35,440
load three-phase system ูˆ ุงู„ู€ transmission lines

26
00:02:35,440 --> 00:02:41,640
ู‡ูŠูƒูˆู†ูˆุง three-phase ุงู„ู€

27
00:02:41,640 --> 00:02:42,640
three-phase system

28
00:02:46,910 --> 00:02:53,290
ุงู„ู†ุงุณ ุจูŠุฑุฌุนูˆู„ู‡ู… ุนู„ู‰ ุฅู† ู‡ู… ุงู„ู€ A phase ูˆุงู„ู€ B phase

29
00:02:53,290 --> 00:03:01,150
ูˆุงู„ู€ C phase ุฃู†ูˆุงุน

30
00:03:01,150 --> 00:03:03,930
ุงู„ูˆุตูˆู„ ู„ู‡ุฏูˆู„ ุงู„ู€ C phase ุงู„ู„ูŠ ู‡ูŠ ุงู„ู€ A ูˆุงู„ู€ B ูˆุงู„ู€

31
00:03:03,930 --> 00:03:11,550
C ุจูŠูƒูˆู† ูŠุง Delta connection ูŠุง

32
00:03:11,550 --> 00:03:13,110
Y connection

33
00:03:17,910 --> 00:03:21,570
ุฅุฐู† ู‡ุฏูˆู„ุฉ ุงู„ู€ three phases ุจูŠุณู…ูˆู‡ู… ุงู„ู†ุงุณ a,b,c

34
00:03:21,570 --> 00:03:24,970
ุงู„ุชู„ุงุชุฉ ูˆ ุงู„ูˆุตู„ ุชุจุนู‡ู… ู‡ูŠ ุงู„ู„ูŠ ุจูŠูƒูˆู† ุนู„ู‰ ุดูƒู„ delta

35
00:03:24,970 --> 00:03:31,670
ุฃูˆ ุนู„ู‰ ุดูƒู„ y ู‡ุฐุง ู„ู„ุฃูˆู„ุŸ ู„ูƒู„ู‡ุŒ ู‡ุฐุง three phaseุŒ ู‡ุฐุง

36
00:03:31,670 --> 00:03:35,670
three phase ุงู„ูˆุตู„ ู…ู…ูƒู† ูŠูƒูˆู† deltaุŒ ู…ู…ูƒู† ูŠูƒูˆู† y

37
00:03:35,670 --> 00:03:39,390
ูŠุนู†ูŠ ุงู„ู€ source ู…ู…ูƒู† ูŠูƒูˆู† deltaุŒ ู‡ุงูŠ ุงู„ู€ delta

38
00:03:39,390 --> 00:03:43,550
ุงู„ู…ู‚ุตูˆุฏ ููŠู‡ุง ูˆ ู‡ุงูŠ ุงู„ู€ y ุงู„ู…ู‚ุตูˆุฏ ููŠู‡ุง ู†ุชูŠุฌุฉ ู„ู‡ูŠูƒ

39
00:03:43,550 --> 00:03:47,850
ู…ู…ูƒู† ุฃู† ุฃู†ุชู… ุชุฌู†ุจูˆุง ุฃุฑุจุน ุงุญุชู…ุงู„ุงุช ุงู„ุชูˆุตูŠู„ ู…ู…ูƒู† ูŠูƒูˆู†

40
00:03:47,850 --> 00:03:53,890
ุงู„ู€ source ูˆ ุงู„ู€ load ุฏู„ุชุง ูŠุนู†ูŠ ุจูˆุตู„ ุฏู„ุชุง ู…ุน ุฏู„ุชุง

41
00:03:53,890 --> 00:03:57,750
ุฃูˆ

42
00:03:57,750 --> 00:04:06,030
ูˆูŠ ู…ุน ุฏู„ุชุง ุฃูˆ

43
00:04:06,030 --> 00:04:10,050
ูˆูŠ

44
00:04:10,050 --> 00:04:10,610
ู…ุน ูˆุงูŠ

45
00:04:15,170 --> 00:04:24,070
ุนู†ุฏูŠ ุงู„ู€ delta ู…ุน delta ูƒู†ุง ุฃูˆุตู„ู‡ู… ุฃูŠ ุทุฑูŠู‚ุฉ ูˆุงูŠ

46
00:04:24,070 --> 00:04:33,190
ุฏู„ุชุง ูƒู†ุง ุฃูˆุตู„ ูˆุงูŠ

47
00:04:33,190 --> 00:04:37,990
ุฏู„ุชุง ู‚ูˆู„ู†ุง ูˆุงูŠ ูˆุงูŠ ูƒู†ุง ุฃูˆุตู„

48
00:04:45,540 --> 00:04:55,600
ุฃูุถู„ ุนู†ุฏูŠ ุฏู„ุชุง ูˆุงูŠ ู‡ุชุดูˆููˆุง

49
00:04:55,600 --> 00:04:58,700
ูŠุนู†ูŠ ุฃู†ุง ุจุณ ูˆุฑุณูˆู…ู‡ู… ู‡ูŠูƒ ุนู† ุงู„ุณุฑูŠุน ู„ูƒู† ู…ู…ูƒู† ุงุญู†ุง

50
00:04:58,700 --> 00:05:04,500
ู†ูˆุตู„ู‡ู… ุจุทุฑูŠู‚ุฉ ู…ุฑุชุจุทุฉ ุฅุฐุง ู…ู…ูƒู† ูŠูƒูˆู† ุนู†ุฏูŠ ุฏู„ุชุง

51
00:05:04,500 --> 00:05:07,960
ุฏู„ุชุง ูŠุนู†ูŠ ุงู„ู€ source ุนู†ุฏูŠ ุฏู„ุชุง ูˆู‡ูŠ transmission

52
00:05:07,960 --> 00:05:15,640
line ุนู†ุฏูŠ ุชู„ุงุชุฉ ุฏู„ุชุง ุฏู„ุชุง ูˆุงูŠ ุฏู„ุชุง ูˆุงูŠ ูˆุงูŠ ุฏู„ุชุง ูˆุงูŠ ู‚ุจู„

53
00:05:15,640 --> 00:05:19,720
ู…ุง ู†ุฎุฏ ููŠ ุชูุงุตูŠู„ ุงู„ู€ network ู„ุงุฒู… ู†ุชุนู„ู… ุดูˆูŠุฉ ุนู†

54
00:05:19,720 --> 00:05:25,720
ู‡ุฏูˆู„ุฉ ุงู„ู€ phases ุงู„ู€ A,B,C phases ูƒูŠู ุทุฑูŠู‚ุฉ ุงู„ุชุนุงู…ู„

55
00:05:25,720 --> 00:05:28,700
ู…ุนุงู‡ู… ุจุนุฏูŠู† ู‡ู†ุฎุด ููŠ ุชูุงุตูŠู„ ุงู„ู„ูŠ ู‡ูŠ ุงู„ู€ connections

56
00:05:28,700 --> 00:05:32,040
ุงู„ู€ Y ูˆ ุงู„ู€ Delta connection ุจุณ ุงู„ูˆุฌูˆุฏ ุฅู†ู‡ ููŠ ุนู†ุฏ

57
00:05:32,040 --> 00:05:35,260
ุงุญุชู…ุงู„ูŠุฉ ุงู„ู€ Delta connection ู„ู„ู€ three phases ุงู„ู€ A

58
00:05:35,260 --> 00:05:38,480
ูˆ ุงู„ู€ B ูˆ ุงู„ู€ C ุจูŠุฎู„ูŠ ุฅู†ู‡ ู…ู…ูƒู† ูŠูƒูˆู† ุงู„ู€ load ุนู†ุฏูŠ ุชุจุน

59
00:05:38,480 --> 00:05:42,390
ุงู„ู€ Delta ุฃูˆ ุงู„ู€ source Delta ู…ู…ูƒู† ูŠูƒูˆู† ุงู„ู€ load ุนู†ุฏูŠ

60
00:05:42,390 --> 00:05:45,870
Y ุฃูˆ ุงู„ู€ source Y ุจู†ุชุฌ ุนู†ู‡ุง ุงู„ุงุญุชู…ุงู„ูŠุฉ ุฃุฑุจุน

61
00:05:45,870 --> 00:05:49,850
ุงุญุชู…ุงู„ูŠุฉ ุชูˆุตูŠู„ ุงู„ู„ูŠ ุงุญู†ุง ุดูˆูู†ุงู‡ู… ู…ุน ุจุนุถ ูˆุงูŠ ูˆุงูŠ ุฏู„ุชุง

62
00:05:49,850 --> 00:05:53,430
ูˆุงูŠ ูŠุนู†ูŠ ู‡ูŠ ูƒุฏู‡ ุฃู†ุง ู„ูˆ ุจุฏุฃ ุฃูƒุชุจ ู„ูƒู… ุงูŠุงู‡ู… ุจู‡ุฐุง ุงู„ุดูƒู„

63
00:05:53,430 --> 00:06:01,510
ู‡ูŠ ุงู„ู€ four connections ูˆุงูŠ

64
00:06:01,510 --> 00:06:07,710
ูˆุงูŠ ูˆุงูŠ ุฏู„ุชุง ุฏู„ุชุง ุฏู„ุชุง ุฏู„ุชุง ูˆุงูŠ

65
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

66
00:06:13,750 --> 00:06:18,150
ู†ุฏุฑุณ ุดูˆูŠุฉ ุฃูƒุซุฑ ุนู† ุงู„ู„ูŠ ู‡ูŠ ุงู„ู€ three phase system ุงู„ู€

67
00:06:18,150 --> 00:06:18,450
ABC

68
00:06:27,990 --> 00:06:31,350
ุทุจุนุง ู‡ุฏูˆู„ุฉ ูƒู„ู‡ู… ุจุชุชู… ุฅู†ุชุงุฌู‡ู… ูŠุนู†ูŠ ุงู„ู†ุงุณ ุงู„ู„ูŠ ุจุชูƒูˆู†

69
00:06:31,350 --> 00:06:36,350
ุฎุจูŠุฑุฉ ูƒูŠู ุจุชู„ู ุงู„ู…ุทุงุฑุงุช ุงู„ู€ generator ูˆ ุงู„ู€ motors

70
00:06:36,350 --> 00:06:39,830
ูƒูŠู ุจุชู„ู ุงู„ู€ generator ุงู„ู„ูŠ ู‡ูˆ ุจุชุทู„ุน ุงู„ูƒู‡ุฑุจุง ุจุชู„ูู‡

71
00:06:39,830 --> 00:06:43,950
ุจุทุฑูŠู‚ุฉ ูŠูƒูˆู† ููŠู‡ ุชู„ุช ู…ุฎุงุฑุฌ ูˆ ุทุฑูŠู‚ุฉ ุงู„ู…ุฎุงุฑุฌ ู‡ูŠู‚ูˆู„ู†ุง

72
00:06:43,950 --> 00:06:48,230
ูˆุงูŠ ูˆ ุฏู„ุชุง ุจุชูƒูˆู† ู‡ุฏูˆู„ ุงู„ู…ุฎุงุฑุฌ ูƒู„ ูˆุงุญุฏ ู…ู†ู‡ู… ุณู…ูŠู†ุงู‡

73
00:06:48,230 --> 00:06:55,770
ABC ููŠู†ุง ููŠ ุทุฑูŠู‚ุฉ ู„ูุฉ ุงู„ู…ุทุงุฑุงุช ุฃูˆ ุงู„ู„ู ุงู„ู„ูŠ ู‡ูŠ ุงู„ู€

74
00:06:55,770 --> 00:07:01,350
load ููŠู†ุง ุฏูŠ two sequences ุจู†ุณู…ูŠู‡ู… two sequences

75
00:07:01,350 --> 00:07:09,930
ุงู„ู€

76
00:07:09,930 --> 00:07:13,390
two sequences ุงู„ู…ุดู‡ูˆุฑูŠู† ุจู†ุณู…ูŠู‡ู… ูŠุง ุงู„ุจุณุช ููŠ

77
00:07:13,390 --> 00:07:18,990
sequence ูŠุง ุงู„ู€ negative sequenceุŒ ูŠุง positiveุŒ ูŠุง

78
00:07:18,990 --> 00:07:22,290
negative ุงู„ู€ positive sequence ุจุฑุถู‡ ุงู„ู†ุงุณ ุจุชุณู…ูŠู‡ุง

79
00:07:22,290 --> 00:07:27,750
ุงู„ู€ ABC ุณู‡ู„ุฉุŒ ุงู„ุชุฑุชูŠุจ ุฒูŠ ู…ุง ู‡ูˆ ููŠ ุงู„ุฃู„ูุงุจุช ABC

80
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 ู‚ู„ู†ุ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 ุงุญู†ุง ุฃุตุจุญู†ุง ู…ุชุนูˆุฏูŠู† ุนู„ูŠู‡ุง ุนุงุฑููŠู† ุฃู† ู‡ุฐุง

88
00:08:18,350 --> 00:08:22,470
ู…ุนู†ุงู‡ ููŠุฒุฑ 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 ูˆุถุญุช ู„ู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 balanced ู„ุ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„ููŠุฒูŠุงุก ุ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„ุดูŠุก ุ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‡ zero VB ูู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„ุจ ุณุงู„ุจ 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 ุธู‡ุ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„ู€ A ุ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 ู…ุง ุนู†ุ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 ู…ุงุฆุฉ ูˆ ุนุดุฑูŠู† ู‡ุฐุง plus ู…ุงุฆุฉ ูˆ ุนุดุฑูŠู† ูˆุงุถุญุŸ

126
00:11:37,790 --> 00:11:42,510
ุฅุฐุง ุฏุงุฆู…ุง ู‡ุชูƒูˆู† ุงู„ุฒุงูˆูŠุฉ ุจูŠู†ู‡ู… ู…ุงุฆุฉ ูˆุนุดุฑูŠู† ุฏุฑุฌุฉ ู‡ุงูŠ

127
00:11:42,510 --> 00:11:48,650
ุงู„ู€ balanced ABC sequence ุงู„ุ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 ูˆุนุดุฑูŠู† ู„ูˆ ุบูŠุฑู†ุงู‡ุง ุฎู…ุณุฉ ุจู†ุฑูˆุญ ุฃู†ู‡ ุจูŠู†ู‡ู…

130
00:11:54,670 --> 00:11:57,570
ูŠูƒูˆู† ู…ุงุฆุฉ ูˆุนุดุฑูŠู† ุจุณ ูƒู€ 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 ูˆุนุดุฑูŠู† ุ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† ุฏุงุฆู…ุ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 ู…ุงุฆุฉ ูˆุฎู…ุณ ูˆุนุดุฑูŠู†ุŒ ูˆุงุถุญุŸ

136
00:12:17,970 --> 00:12:22,570
ู‡ุฐู‡ ู‡ุชูƒูˆู† ุนู†ุฏ ุณุงู„ุจ ู…ุงุฆุฉ ูˆุฎู…ุณ ุนุดุฑุฉ .. ูˆู‚ุฏุฑุดุŸ ูˆุฎู…ุณ ุนุดุฑุฉ

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 ูƒู€ 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† VM ูˆุงู„ุฒุงูˆูŠุฉ ุณุงู„ุจ ู…ุ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 ู…ุงุฆุฉ ูˆุนุดุฑูŠู† ุ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„ุงู‹ุŒ ุ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 ูˆุตูุฑุงู‹ุŒ ู‡ุฐุง ุงู„ู€ balanced ู†ุญู† ู†ุชูƒู„ู… ุนู† ุงู„ู€

161
00:15:03,780 --> 00:15:06,980
economic reasons ู†ุงุฎุฏ ุงู„ู€ balance system ู…ุฌู…ูˆุนู‡ู…

162
00:15:06,980 --> 00:15:09,180
ุจุณุงุนุฉ ูˆุตูุฑุงู‹ ู‡ุ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
ุทุจุนุงู‹ ุฅุซุจุงุชู‡ู… ู…ุด ุตุนุจ ุฌุฏุงู‹ ูŠุนู†ูŠ ุณู‡ู„ ุฌุฏุงู‹ ุฅุซุจุงุช ุฃู†ู‡

166
00:15:38,250 --> 00:15:43,350
ู…ุฌู…ูˆุนู‡ ุจุณุงูˆูŠ ุตูุฑุงู‹ ู…ู…ู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 ุฃู†ุชูˆ ุงู‡ ุฎุฏุชูˆู‡ ููŠ ุงู„

171
00:16:00,750 --> 00:16:06,240
.. ููŠ ุงู„ู€ calculus ุงู„ู„ูŠ ู‡ูˆ ุงู„ู‚ุทุฑ ุ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…ูˆุน ุจุณุงูˆุฉ

173
00:16:10,340 --> 00:16:15,660
ุตูุฑุงู‹ ุจุงู„ุฑุณู… ุณู‡ู„ ุฌุฏุงู‹ุŒ ุจู„ ุงู„ุญู„ ู‡ูŠูƒูŠ ุจุฏูŠ ุฃุนูˆุฏ ุฃุนูˆุฏ ุนู„ู‰

174
00:16:15,660 --> 00:16:21,420
ุงู„ู€ cosine ูˆ ุงู„ู€ sin ูˆ ุจุทู„ุน ุจุฑุถู‡ ุตูุฑุงู‹ ุดูˆู ู…ุซุงู„ example

175
00:16:21,420 --> 00:16:28,130
ุนู„ู‰ ุงู„ู€ feather system ู„ูˆ ูƒุงู†ุช ุนู†ุฏูŠ VA of T ุงู„ู€

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† ูˆุชู…ุงู†ูŠุฉ cosine ุงู„ู€ Omega T minus

179
00:16:58,970 --> 00:17:04,730
ุซู„ุงุซุฉ ู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 volt ูˆูŠู† ุงู„ุณุจุนุฉ

185
00:17:48,140 --> 00:17:56,020
ูˆ ุฃุฑุจุนูŠู†ุŸ ุดูƒุฑุงู‹ ู…ุงุฆุฉ ูˆุณุจุนุฉ ูˆุฃุฑุจุนูŠู† 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
00:18:14,650 --> 00:18:18,270
ูุฅุฐุง ุงู„ู€ sequence ุชุนุทูŠ ุงู„ู„ูŠ ู‡ูŠ ุฌูˆุงุจ ุฅูŠุด ู‡ูŠ ุงู„ู€

190
00:18:18,270 --> 00:18:22,270
sequence ู‡ูŠ ุงู„ู€ a, c, b ุงู„ู„ูŠ ู‡ูŠ ุงู„ู€ negative

191
00:18:22,270 --> 00:18:30,710
sequence ุงู„ู€ negative sequence ู‚ูˆู„ ุฃุฑุณู…ูŠู‡ุง ู…ุด ู‡ูŠูƒูˆู†

192
00:18:30,710 --> 00:18:33,530
ุตุนุจ ุฑุณู…ู‡ุง ุฅุญู†ุง ุดูู†ุง ุฑุณู…ุงุช ู„ู…ุง ูƒุงู†ุช ุงู„ู€ a ุนู„ู‰ ุงู„

193
00:18:33,530 --> 00:18:40,790
zero ู…ุด ู‡ุชูุฑู‚ ู„ูˆ ูƒุงู†ุช ุงู„ู€ a ู„ู‡ุง ุฒุงูˆูŠุฉ ุงู„ู€ a ุธู‡ุฑุช ุนู†ุฏ

194
00:18:40,790 --> 00:18:42,210
ุงู„ู€ 27 ุฏุฑุฌุฉ

195
00:18:44,800 --> 00:18:50,240
ูˆุงู„ุทูˆู„ ุชุจุนู‡ุง ูŠุนู†ูŠ ุชู‚ุฑูŠุจุงู‹ ู…ุง ุชุดุจุฑูŠ ู‡ูŠูƒูŠ 288 ู‡ุฏู‰ VA

196
00:18:50,240 --> 00:19:04,660
VB ุนู†ุฏ 147 ูŠุนู†ูŠ ุฎู„ู†ุง ู†ู‚ูˆู„ ู‡ูŠูƒ 147 ู‡ุฏู‰ ูƒู„ู‡ุง 147

197
00:19:04,660 --> 00:19:11,560
ุฏุฑุฌุฉ ูŠุนู†ูŠ ู‡ุฏู‰ ู‚ุฏุงุด ุจู‡ุง ุชูƒูˆู† 120 ุฏุฑุฌุฉ ู…ุงุฆุฉ ูˆุนุดุฑูŠู†

198
00:19:11,560 --> 00:19:15,480
ุฏุฑุฌุฉ ุจูŠู† ุงู„ู„ูŠ ู‡ูˆ ุงู„ู€ A ูˆ ุงู„ู€ B ู‡ุงูŠ VB ุงู„ู„ูŠ ุฅู„ู‡ุง

199
00:19:15,480 --> 00:19:20,380
ุทูˆู„ู‡ุง ุจุฑุถู‡ ุงุชุงู† ูˆุชู…ุงู†ูŠุฉ ุจูŠุฌูŠ ู„ู„ู€ CุŒ ุงู„ู€ C ุนู†ุฏ minus

200
00:19:20,380 --> 00:19:24,060
ุซู„ุงุซุฉ ูˆุชุณุนูŠู†ุŒ ู‡ุงูŠ ุชู‚ุฑูŠุจุงู‹ ุชุณุนูŠู† ุชู„ุงุชุฉ ุจุณ ุจูŠุถุน

201
00:19:24,060 --> 00:19:29,400
ุนู„ูŠู‡ุง ูŠุนู†ูŠ

202
00:19:29,400 --> 00:19:36,940
ุจูŠู†ู‡ุง ูˆุจูŠู† ุงู„ู€ A ู‚ุฏุงุดุฑ ู…ุงุฆุฉ ูˆุนุดุฑูŠู† ุฏุฑุฌุฉ ุทูˆู„ู‡ุง ู…ุชูŠู† ูˆ

203
00:19:36,940 --> 00:19:41,360
ุซู…ุงู†ูŠุฉ ุจุฑุถู‡ ูˆ ู‡ุฐู‡ ุงู„ู„ูŠ ู‡ูŠ ุงู„ู€ B A ูˆ ุจุฑุถู‡ ุจูŠู† ุงู„ู„ูŠ

204
00:19:41,360 --> 00:19:51,200
ู‡ูˆ ุงู„ู€ A ูˆ ุงู„ู€ B ู‡ู†ู„ุงู‚ูŠ ุงู„ู€ B ูŠุนู†ูŠ ุชุนุงู„

205
00:19:51,200 --> 00:19:56,080
ู†ุดูˆู ูƒู…ุงู† ู…ุซุงู„

206
00:19:56,080 --> 00:20:02,220
ููŠ

207
00:20:02,220 --> 00:20:03,520
ุญุจุฉ ุฏูˆู„ ..

208
00:20:07,200 --> 00:20:13,680
ุจุชูƒู… ู„ุบุฉ ุฑุณู…ูŠุฉ ู†ุงุฎุฏ ูƒู…ุงู† ู…ุซุงู„ ุนุดุงู† ู†ุชุฃูƒุฏ ุฅู† ุฅุญู†ุง

209
00:20:13,680 --> 00:20:19,020
ุนุงุฑููŠู† ุงู„ู€ sequences ู…ุง ุจูŠู† ุงู„ู€ three voltages ู…ุซุงู„

210
00:20:19,020 --> 00:20:25,540
ุงู„ุซุงู†ูŠ ุจู‚ูˆู„ V A of T V A

211
00:20:25,540 --> 00:20:30,820
of T ุชุณุงูˆูŠ 416 416

212
00:20:30,820 --> 00:20:44,650
cosine Omega T minus 18 Volt Vb of T 4160

213
00:20:44,650 --> 00:20:58,170
Cos Omega T minus 138 degree Vc of T 4160

214
00:20:58,170 --> 00:21:06,170
Cos Omega T plus 102 degree

215
00:21:08,510 --> 00:21:12,570
ู†ูุณ ุงู„ุญุงุฌุฉ ุทุงู„ุจ ู…ู†ู†ุง ู†ุญุฏุฏ ู‡ู„ ู‡ูŠ ุงู„ู€ positive ูˆู„ุง

216
00:21:12,570 --> 00:21:20,310
ุงู„ู€ negative sequence ุจุญุท VA ุชุณุงูˆูŠ 4160 ูˆ ุงู„ุฏุฑุฌุฉ

217
00:21:20,310 --> 00:21:28,390
minus eighty degree ุงู„ูุงุณ ุชุจุนู‡ุง VB 4160 ูˆ ุงู„ูุงุณ

218
00:21:28,390 --> 00:21:35,910
138degree ูˆ Vc ุนุจุงุฑุฉ ุนู† four thousand one hundred

219
00:21:35,910 --> 00:21:41,150
sixty ูˆ ุงู„ููŠุฒ one hundred and two volt ุฃูˆู„ ุญุฏ

220
00:21:41,150 --> 00:21:45,450
ุจูŠุธู‡ุฑ ุงู„ู„ูŠ ู‡ูˆ ุงู„ู€ Vc ุนู„ู‰ ู…ุงุฆุฉ ูˆุงุซู†ูŠู† ุจุนุฏูŠู† ุงู„ู€ Va

221
00:21:45,450 --> 00:21:48,830
ุนู†ุฏ minus ุซู…ุงู† ุนุดุฑ ุจุนุฏูŠู† ุงู„ู€ Vb ุนู†ุฏ minus ู…ุงุฆุฉ ูˆ

222
00:21:48,830 --> 00:21:54,630
ุซู…ุงู†ูŠุฉ ูˆุซู„ุงุซูŠู† ุฅุฐุง ู‡ูŠ ุงู„ู€ ABC ุฃูˆู„ ุญุฏ ุจุธู‡ุฑ ุงู„ู€ C

223
00:21:54,630 --> 00:22:00,710
ุจุนุฏูŠู† ุงู„ู€ A ุจุนุฏูŠู† ุงู„ู€ B ุฅุฐุง ู‡ูŠ ุงู„ู€ A ุจูŠ C sequence

224
00:22:00,710 --> 00:22:14,950
ุจุฑุถู‡ ู†ุฑุณู…ู‡ุง ู…ุน ุจุนุถ ุงู„ู€

225
00:22:14,950 --> 00:22:18,790
A ุนู†ุฏ minus 18 ุทูˆู„ู‡ุง

226
00:22:20,330 --> 00:22:23,670
ูŠุนู†ูŠ ุดูˆูŠุฉ ู…ุจู„ุบุฉ ุจุงู„ุฅูŠุชูŠู… ู…ุด ู…ุดูƒู„ุฉ four thousand

227
00:22:23,670 --> 00:22:27,930
and hundred sixty ุฃู†ุง eighteen ุฏุฑุฌุฉ ูˆ ู‡ุฐู‡ ุงู„ู„ูŠ ู‡ูŠ

228
00:22:27,930 --> 00:22:31,630
va vb

229
00:22:31,630 --> 00:22:37,770
and ุงู„ู„ูŠ ู‡ูŠ minus ู…ุงุฆุฉ ุฃูˆ ุซู…ุงู†ูŠู† ุฃูˆ ุซู„ุงุซูŠู† ู…ุงุฆุฉ ูˆ

230
00:22:37,770 --> 00:22:43,870
ุซู…ุงู†ูŠุฉ ุฃูˆ ุซู„ุงุซูŠู† ุฏุฑุฌุฉ ุดูˆูŠุฉ

231
00:22:43,870 --> 00:22:47,150
ุฃูƒุจุฑ ู…ู† ุงู„ุฃุตุจุน ู‡ู†ุง ููŠ ุดูˆูŠุฉ ุชู‚ุฑูŠุจุงู‹ ู‡ู†ุง

232
00:22:50,340 --> 00:22:58,440
ุจูŠู† ุงู„ุชู†ุชูŠู† ุฅูŠุด ู‡ุชูƒูˆู†ุŸ ู…ุงุฆุฉ ูˆุนุดุฑูŠู† ุงู„ู‚ูŠู…ุฉ

233
00:22:58,440 --> 00:23:04,660
ุจุงู„ู€ volts ูˆ Vc ู…ู† ู…ุงุฆุฉ ูˆุงุซู†ูŠู† ู„ุฅู† ุฅุญู†ุง ู†ู‚ูˆู„ ุชู‚ุฑูŠุจุงู‹

234
00:23:04,660 --> 00:23:11,900
ู‡ู†ุง Vc four thousand hundred sixty ูˆ ู‡ู†ุง ุนู†ุฏูŠ ู…ุงุฆุฉ

235
00:23:11,900 --> 00:23:17,790
ูˆุงุชู†ูŠู† ุดูˆูŠุฉ ุจู„ุนุจ ุงู„ุฑุณู…ุงุช ุจุณ ูŠุนู†ูŠ ููŠ ุงู„ู†ู‡ุงูŠุฉ ุจูŠู† ุงู„ู€

236
00:23:17,790 --> 00:23:21,970
two phases ู‡ุฏูˆู„ุฉ ู…ุงุฆุฉ ูˆุนุดุฑูŠู† ุฏุฑุฌุฉ ุงู„ู„ูŠ ู‡ูŠ ุงู„ุทู…ู†ุชุงุด

237
00:23:21,970 --> 00:23:27,210
ูˆ ุงู„ู…ุงุฆุฉ ูˆุงุซู†ูŠู† ูˆ ู‡ู†ุง ุจุฑุถู‡ ู…ุงุฆุฉ ูˆุนุดุฑูŠู† ุฏุฑุฌุฉ ุฅุฐุง ู‡ูŠ

238
00:23:27,210 --> 00:23:31,950
ุงู„ู€ ABC sequence ูƒู„

239
00:23:31,950 --> 00:23:37,130
ุจูŠูŽุนุฑู ู‡ู„ู‚ูŠุชู‡ ูŠู…ูŠุฒ ุจูŠู† ุงู„ู€ sequences ุจุชู‚ุฏุฑ ุชู…ูŠุฒู‡ ู„ูƒ

240
00:23:37,130 --> 00:23:39,870
ุจูŠู† ุงู„ู€ sequences ูˆ ุชุฑุณู…ูˆู‡ู… ุทุจ ุจุณ

241
00:23:48,800 --> 00:23:52,100
ู†ุดูˆู ุงู„ู„ูŠ ู‡ูˆ ุงู„ู€ connection ููŠ ุงู„ุญุงู„ุงุช ุชูู†ุน ุงู„ู€

242
00:23:52,100 --> 00:23:53,880
connection ู…ุง ุจูŠู† ุงู„ู€ sources ูˆ ุงู„ู€ loads

243
00:24:25,910 --> 00:24:28,090
ุฅุฐุง ุงู„ู€ connectionุŒ ู‚ู„ู‘ูˆุง ุฅุญู†ุง ุนู†ุฏู†ุง ุฃุฑุจุน

244
00:24:28,090 --> 00:24:32,390
ุงุญุชู…ุงู„ุงุชุŒ ุฃู†ุง ู‚ุฑูŠุฏุฉ ุฃุญุทูƒู… ุฅูŠุงู‡ุงุŒ ุจูŠูƒูˆู† ุนู†ุฏูŠ YุŒ ูŠุง

245
00:24:32,390 --> 00:24:40,190
Y ู‡ูŠ ุงู„ู€ sourceุŒ ูˆู‡ู†ุง ุงู„ู€ loadุŒ ูŠุง ุจูŠูƒูˆู† ุนู†ุฏูŠ YY ุฃูˆ

246
00:24:40,190 --> 00:24:48,490
Y ู…ุน Delta ุฃูˆ Delta ู…ุน Delta ุฃูˆ Delta ู…ุน YุŒ ู‡ุฐู‡

247
00:24:48,490 --> 00:24:51,270
ุงุญุชู…ุงู„ุงุช ุงู„ู€ connection ู…ุง ุจู‚ู‰ ุจูŠู† ุงู„ู€ source ูˆ ุงู„ู€

248
00:24:51,270 --> 00:24:55,910
load ู†ุญูƒูŠ ุนู† ุงู„ู€ source ูƒูŠู ุจูŠูƒูˆู† ุนู„ู‰ ุดูƒู„ Y ุฃูˆ

249
00:24:55,910 --> 00:25:00,090
Delta ุนุดุงู† ู†ู‚ุฏุฑ ู†ุดูˆู ูƒูŠู ุงู„ู€ connection ุจูŠุตูŠุฑ ู†ุจุฏุฃ

250
00:25:00,090 --> 00:25:10,190
ุจุงู„ู€ sources ุงู„ 

251
00:25:10,190 --> 00:25:15,190
source ู‡ูˆ ุฅุฏุงุฑุฉ ุนู† ุฏูˆู„ุฉ ุงู„ู€ source ุฅุฐุง ุฃู†ุง ุจูŠุญูƒูŠ ุนู†

252
00:25:15,190 --> 00:25:20,070
ุงู„ู€ Y connection ู‡ูŠูƒูˆู† ุจู‡ุฐุง ุงู„ุดูƒู„ ุงู„ู€ Y connection

253
00:25:20,070 --> 00:25:32,760
ู‡ูŠุทู„ุน ุงู„ู€ sources ุงู„ู€ A ูˆุงู„ู€ B ูˆุงู„ู€ C ุฅุฐุง 

254
00:25:32,760 --> 00:25:39,260
ุทู„ุนู†ุง ุนู„ู‰ ู‡ุฐุง ุงู„ุดูƒู„ ู‡ูˆ ุนุจุงุฑุฉ ุนู† Y ู‡ุงูŠ ู…ุซู„ุง VA ู‡ุงูŠ

255
00:25:39,260 --> 00:25:44,940
VB ูˆู‡ุงูŠ VC ุทู„ุนูˆุง ุงู„ุณุงู„ุจ ู…ุงู„ู‡ ู…ุน ุจุนุถู‡ ู…ูˆุตูˆู„ ุงู„ู€ null

256
00:25:44,940 --> 00:25:48,320
ุชุจุนู‡ู… ุฃูˆ ุงู„ุณุงู„ุจ ุงู„ู€ negative side ู…ูˆุตูˆู„ ู…ุน ุจุนุถู‡

257
00:25:49,930 --> 00:25:53,610
common ุจูŠู†ู…ุง ุงู„ู€ positive sides ู‡ูˆ ุงู„ู…ุบุฐูŠ ุงู„ุทุฑู

258
00:25:53,610 --> 00:25:57,990
ุงู„ู…ุบุฐูŠ ุงู„ู€ I ู‡ุงูŠ ุงู„ู€ A ูˆ ู‡ุงูŠ ุงู„ู€ B ูˆ ู‡ุงูŠ ุงู„ู€ C ู‡ุฐุง Y

259
00:25:57,990 --> 00:26:02,710
connection ู‡ุฐุง ุจู†ุณู…ูŠู‡ ideal ูŠุนู†ูŠ ุจู…ุนู†ู‰ ุฃู†ู‡ ุนู†ุฏ ุงู„

260
00:26:02,710 --> 00:26:09,630
impedance ุจุชุงุนุฉ ู‡ุฏูˆู„ ุงู„ู€ sources ุจุชุณุงูˆูŠ Zero ู„ูŠุด

261
00:26:09,630 --> 00:26:15,190
ideal ู„ุฃู† ู…ู‡ู… ู„ู ู‡ุฏุฑ ุฑุงุณู†ุง ุงู„ู„ูŠ ู‡ูˆ ุงู„ impedance ู„ูˆ

262
00:26:15,190 --> 00:26:17,990
ุฃู†ุง ุจุฏุฃุช ุฃู…ุซู„ ุงู„ู€ re-representation ู„ุงุฒู… ุฃุฏุฎู„ ููŠ

263
00:26:17,990 --> 00:26:21,910
ุนู†ู„ูŠู‡ุง ุชุจุงุฑู…ูŠู† ุงู„ู€ impedance ูู‡ูŠูƒูˆู† ุงู„ุดูƒู„ ูƒุงู„ุชุงู„ูŠ

264
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

265
00:26:31,930 --> 00:26:35,610
ู…ุนู‡ู… ุงู„ู€ impedance ุจุชุงุนุฉ ูƒู„ source ูŠุนู†ูŠ ู‡ุชูƒูˆู† ู…ุซู„ุง

266
00:26:35,610 --> 00:26:42,780
Z source ุงู„ู€ generator a g ู„ู€ generator ู‡ุงูŠ ุงู„ุทุฑู a ูˆ

267
00:26:42,780 --> 00:26:54,260
ู‡ู†ุง ู‡ูŠูƒูˆู† Z generator B ูˆู‡ูŠ ุงู„ุทุฑู B ูˆุนู†ุฏูŠ ู‡ู†ุง

268
00:26:54,260 --> 00:26:58,060
ู‡ูŠูƒูˆู† ุจุฑุถู‡ ุงู„ู€ impedance ุจุชุงุนุฉ ุงู„ู€ source ุงู„ู„ูŠ ู‡ูˆ

269
00:26:58,060 --> 00:27:07,260
ZGC ูˆ ู‡ุฐุง VC ูˆ ู‡ูŠูƒูˆู† ุนู†ุฏูŠ C ุฏู‡

270
00:27:07,260 --> 00:27:08,440
ุฃุฑุชุจู‡ุง ุดูˆูŠุฉ ุฃูƒุซุฑ

271
00:27:14,780 --> 00:27:19,440
ุฅุฐุง ุนู†ุฏูŠ ุงู„ู€ Y representation ูƒู…ุง ุดุงูŠููŠู†ู‡ุŒ ู‡ุงูŠ

272
00:27:19,440 --> 00:27:26,360
ุงู„ู€A ูˆู‡ุงูŠ ุงู„ู€B ูˆู‡ุงูŠ ุงู„ู€C ู‡ุฐุง Y representation

273
00:27:26,360 --> 00:27:29,740
ู„ุตูˆุฑุฉ ุฃุณูˆุฃู‡ุง ููŠ ุงู„ู€I ุฏูŠ ู„ุฅู†ูŠ ุญู…ู„ุช ุงู„ู€ impedance

274
00:27:29,740 --> 00:27:32,780
ุจุชุงุนุชู‡ ูˆุงุนุชุจุฑุชู‡ุง short circuits ุฃูˆ representation

275
00:27:32,780 --> 00:27:36,120
ุฅู†ูŠ ุฎู„ูŠุช ููŠู‡ุง ุงู„ุฅุนุชุจุงุฑ ุงู„ู€ impedance ุจุชุงุนุช ุงู„

276
00:27:36,120 --> 00:27:43,240
sources ู†ุดูˆู ุงู„ู€DeltaุŒ ู‡ุฐุง ุงู„ู€Y connection ุฏู‡ ู…ูŠู†ุŸ

277
00:27:43,240 --> 00:27:43,960
ู„ุตูˆุฑุฉ

278
00:27:46,740 --> 00:27:57,300
ู‡ู†ุดูˆู ุงู„ู€ delta connection ู„ู„ู€ source ู‡ู„ุงุญุธ

279
00:27:57,300 --> 00:28:00,640
ุฃู†ู‡ ููŠ ุงู„ู€ delta connection ู‡ูŠ ู…ุซู„ุง ู…ุซู„ุง ู‡ูŠ minus

280
00:28:00,640 --> 00:28:04,560
ุงู„ู€ plus ู‡ูŠ

281
00:28:04,560 --> 00:28:08,860
ุงู„ู€ source ุงู„ุฃูˆู„ ู…ุซู„ุงุŒ ู‡ูŠูƒูˆู† ุงู„ู€ plus ุงู„ู€ minus ุชุจุนู‡

282
00:28:08,860 --> 00:28:13,970
ู…ูˆุตูˆู„ ู…ุน ุงู„ู€ plus ุชุจุน ุงู„ู€ source ุงู„ุซุงู†ูŠ ูˆ ุงู„ู€ minus

283
00:28:13,970 --> 00:28:17,510
ุจุชุจุน ู‡ุฐุง ุงู„ู€ source ู‡ูŠูƒูˆู† ู…ูˆุตูˆู„ ู…ุน ุงู„ู€ plus ู„ุฃ ุงู„

284
00:28:17,510 --> 00:28:25,230
source ุงู„ุซุงู„ุซ minus

285
00:28:25,230 --> 00:28:38,770
plus ู…ุซู„ุง ู‡ุฐุง va, vb ูˆ vc ู‡ุฐุง

286
00:28:38,770 --> 00:28:44,200
ุงู„ุทุฑู ุงู„ู…ูˆุฌุจ ุจุชุจุน ุงู„ู€ va ู…ุซู„ุง ู‡ุฐุง a ู‡ุฐุง ุงู„ุทุฑู ุงู„ู…ูˆุฌุจ

287
00:28:44,200 --> 00:28:48,500
ุชุจุน ุงู„ู€ VB ุฅุฐุง ู‡ูˆ B ูˆู‡ุฐุง ุงู„ุทุฑู ุงู„ู…ูˆุฌุจ ุชุจุน ุงู„ู€ C ุฅุฐุง

288
00:28:48,500 --> 00:29:01,820
ู‡ูˆ C ู‡ุงูŠ ุงู„ู€ Delta ู…ู†ุธุฑู‡ Delta ู‡ูˆ Delta Connection

289
00:29:01,820 --> 00:29:09,090
ุฅุฐุง ุฒูŠ ู…ุง ุชุดุงูŠููŠู† Delta Connection ุทุฑู ุงู„ู…ูˆุฌุจ ู„ุฃ ุงู„

290
00:29:09,090 --> 00:29:12,730
source A ูˆุงู„ุทุฑู ุงู„ุณุงู„ุจ ู„ู„ู€ source V ู…ูˆุตู†ูŠู† ู…ุน ุจุนุถ

291
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

292
00:29:16,850 --> 00:29:20,310
ุชุจุน B ู…ุน ุงู„ู…ูˆุฌุจ ุชุจุน BC ู…ูˆุตู†ูŠู† ู…ุน ุจุนุถ ุนุดุงู† ุฃุนุทูŠู†ูŠ

293
00:29:20,310 --> 00:29:25,130
ุงู„ู€ delta ุงู„ุทุฑู A ุจุณู…ูŠู‡ ู„ุฃู†ู‡ ู…ูˆุตูˆู„ ุจุงู„ุทุฑู ุงู„ู…ูˆุฌุจ ู„ู€ A

294
00:29:25,130 --> 00:29:30,090
B ู„ุฃู†ู‡ ู…ูˆุตูˆู„ ุจุงู„ุทุฑู ุงู„ู…ูˆุฌุจ ุชุจุน B ูˆC ู„ุฃู†ู‡ ู…ูˆุตูˆู„

295
00:29:30,090 --> 00:29:34,930
ุจุงู„ุทุฑู ุงู„ู…ูˆุฌุจ ุชุจุน C ู„ูˆ ุจุฏูŠ ุฃุชุนุงู…ู„ ู…ุน ideal .. ู…ุน

296
00:29:34,930 --> 00:29:39,310
real system ู‡ุฏู‚ู‡ idealุŒ ู„ูŠุด idealุŸ ู„ุฃู† ุฃู†ุง ู…ู‡ู… ู„

297
00:29:39,310 --> 00:29:43,110
ุงู„ู€ impedance ู†ุนุชุจุฑ ุงู„ู€ impedance ุจุชุงุนุฉ ุงู„ู€ sources

298
00:29:43,110 --> 00:29:48,490
ุจุชุณุงูˆูŠ 0 real system ู‡ูŠูƒูˆู† ุนู†ุฏูŠ ู‡ูŠ ุงู„ VA ูˆ ู…ุน ุงู„

299
00:29:48,490 --> 00:29:53,010
impedance ุจุชุงุนุชู‡ ู‡ุณู…ูŠู‡ุง ZGA ุงู„ู„ูŠ ู‡ูŠ ุงู„ู€ impedance

300
00:29:53,010 --> 00:29:58,570
ุจุชุงุนุฉ ุงู„ู€ generator A ูˆ ู‡ู†ุง ุญูŠูƒูˆู† ููŠ ุนู†ุฏูŠ ุงู„ู„ูŠ ู‡ูˆ vb

301
00:29:58,570 --> 00:30:03,130
ู…ุซู„ุง ู‡ุฐุง va ู‡ุงูŠ vb ูˆ ู‡ู†ุง ุงู„ู…ูˆุฌุจ ู‡ูŠูƒูˆู† ู…ูˆุตูˆู„ ู…ุน

302
00:30:03,130 --> 00:30:07,270
ุงู„ุณุงู„ุจ ุงู„ุณู„ุจ

303
00:30:07,270 --> 00:30:11,590
ู‡ูŠ vb ูˆ ู‡ูŠูƒูˆู† ู…ุนุงู‡ ุงู„ู„ูŠ ู‡ูˆ ุงู„ู€ impedance ุจุชุงุนุชู‡

304
00:30:11,590 --> 00:30:18,430
ุงู„ู„ูŠ ู‡ูˆ z gb

305
00:30:18,430 --> 00:30:22,350
ุนุดุงู†

306
00:30:22,350 --> 00:30:24,850
ุฃูƒู…ู„ ุงู„ุฏู„ุชุฉ ูˆ ู„ุงูŠู‡ ู…ุดุงูƒู„

307
00:30:30,750 --> 00:30:34,010
ูˆ ุทุจุนุง ุงู„ุณุงู„ุจ ุจุชุงุน ุงู„ู€ B ู‡ูŠูƒูˆู† ู…ูˆุตูˆู„ ู…ุน ุงู„ู…ูˆุฌุจ ุจุชุงุน

308
00:30:34,010 --> 00:30:37,210
ุงู„ู€ C ูˆ ุงู„ุณุงู„ุจ ุจุชุงุน ุงู„ู€ C ู…ุน ุงู„ู…ูˆุฌุจ ุจุชุงุน ุงู„ู€ A ูู‡ุฐุง

309
00:30:37,210 --> 00:30:42,910
ู‡ูŠูƒูˆู† VC ูˆ ู‡ุฐุง ZGC ูˆ ุจุงู„ุชุงู„ูŠ ู‡ุฐุง ุงู„ู…ุฎุฑุฌ ุงู„ู…ูˆุตู„ ู…ุน

310
00:30:42,910 --> 00:30:46,250
ุงู„ู€ positive ุจุชุงุน A ู‡ูŠูƒูˆู† A ุงู„ู…ุฎุฑุฌ ุงู„ู…ูˆุตู„ ู…ุน ุงู„

311
00:30:46,250 --> 00:30:49,350
positive ุจุชุงุน B ู‡ูˆ B ูˆ ุงู„ู…ุฎุฑุฌ ุงู„ู…ูˆุตู„ ู…ุน ุงู„

312
00:30:49,350 --> 00:30:59,370
positive C ู‡ูˆ C ูู‡ุฐุง ุฅุฐุง ุงู„ู€ delta source ูˆุงุถุญุŸ

313
00:31:08,520 --> 00:31:13,020
ู‡ุฐุง ุจุงู„ู†ุณุจุฉ ู„ู…ูŠู†ุŸ ู„ุฃ ุงู„ู€ sources ุจุงู„ู†ุณุจุฉ ู„ู„ู€ loads

314
00:31:13,020 --> 00:31:17,000
ุฃุณู‡ู„ ู„ุฃู† ู…ุงููŠุด ุงู„ู„ูŠ ุนู†ุฏูŠ loads ูŠุนู†ูŠ ู‡ุดูˆู ุงู„ู€ loadsุŸ

315
00:31:17,000 --> 00:31:26,320
ู‡ุดูˆู ุงู„ู€ loadsุŸ ุงู†ู…ุญูŠ ุงู„ุณูƒูˆุฑุฉ ุงู„ู€ loadsุŸ

316
00:31:26,320 --> 00:31:30,200
ุฅุฐุง

317
00:31:30,200 --> 00:31:31,100
ูƒุงู† whyุŸ

318
00:31:39,300 --> 00:31:51,800
ู‡ูŠ ุฒุฏ ูˆุงุญุฏ ุฒุฏ ุชุงู†ูŠู† ุฒุฏ ุชู„ุงุชุฉ ุฅุฐุง ูƒุงู† ุฏุงู„ุชุง ู‡ูˆ

319
00:31:51,800 --> 00:31:57,880
ุงู„ู„ูŠ ู‡ูˆ ุงู„ุชุงุจุนูŠ ู‡ูˆ ุงู„ู„ูŠ ู„ู‡ ุชู„ุงุช ุฃุทุฑุงู ุฒุฏ

320
00:31:57,880 --> 00:32:05,400
ูˆุงุญุฏ ุฒุฏ ุชุงู†ูŠู† ุฒุฏ ุชู„ุงุชุฉ ุชู„ุงุช ุฃุทุฑุงู ุงู„ู„ูŠ ู‡ูˆ ุงู„ู„ูŠ ู‡ูˆ

321
00:32:05,400 --> 00:32:14,630
ุงู„ุชุงุจุนูŠู„ูˆุช ู…ุฌุฑุฏ ู…ู‚ุงูˆู…ุงุชุŒ ingredients ู‡ุฐู‡

322
00:32:14,630 --> 00:32:19,550
ุงู„ู„ูŠ ู‡ูŠ ุงู„ู€ Y ู‡ูŠ ู…ู†ุธุฑู‡ุง ูˆู‡ูŠ ุฏู„ุชู‡ุง

323
00:32:25,910 --> 00:32:28,590
ุงู„ุขู† ุจุฏู†ุง ู†ู‚ูˆู… ุจุนู…ู„ูŠุฉ ุงู„ูˆุตู„ ุงู„ุญู‚ูŠู‚ูŠ ุงุญู†ุง ุณุจู†ุง

324
00:32:28,590 --> 00:32:31,950
ุนุงุฑููŠู† ูƒูŠู ุดูƒู„ ุงู„ู€ source ูˆุนุงุฑููŠู† ูƒูŠู ุดูƒู„ ุงู„ู€ load

325
00:32:31,950 --> 00:32:35,830
ูˆุนุงุฑููŠู† ุฃู† ููŠ ุนู†ุฏูŠ two sequences ุงู„ู„ูŠ ู‡ูŠ ABC ูˆููŠ

326
00:32:35,830 --> 00:32:38,230
ุนู†ุฏ ุงู„ ACB ูˆุงุญุฏุฉ ู…ู†ู‡ู… ุณู…ูŠู†ุงู‡ุง ุงู„ู€ positive ุงู„ู„ูŠ ู‡ูŠ

327
00:32:38,230 --> 00:32:44,570
ุงู„ู€ ABC ABC ู…ูˆุฌุจุฉ ูˆ ุงู„ู€ ACB ุณุงู„ุจุฉ ูˆ ุณุจู†ุง ุนุงุฑููŠู† ุฃู†ู‡

328
00:32:44,570 --> 00:32:46,750
ุฃู†ุง ุงู„ู€ source ุชุจุน ู…ู…ูƒู† ุฃูˆุตู„ู‡ ุนู„ู‰ ุดูƒู„ Delta ุฃูˆ ู…ู…ูƒู†

329
00:32:46,750 --> 00:32:49,870
ุฃูˆุตู„ู‡ ุนู„ู‰ ุดูƒู„ Y ูˆู†ูุณ ุงู„ุดูŠุก ู„ู„ู€ load ู…ู…ูƒู† ุฃูˆุตู„ู‡

330
00:32:49,870 --> 00:32:54,900
Delta ุฃูˆ Y ู†ุดูˆู ูƒูŠู ุนู…ู„ูŠุฉ ุงู„ูˆุตู„ ู‡ุงู„ู‚ุทุฉ ูˆ ูƒูŠู ุจู†ุญู„ู„

331
00:32:54,900 --> 00:32:58,160
ู‡ุงูŠ ุงู„ุฏูˆุงุฆุฑ ูŠุนู†ูŠ ูƒู„ ุงู„ู„ูŠ ุงุญู†ุง ุจู†ุณุนู„ู‡ ู†ุชุนู„ู… ูƒูŠู

332
00:32:58,160 --> 00:33:02,740
ู†ุญู„ู„ ุงู„ู€ ุฏูˆุงุฆุฑ ูุญู†ุจุฏุฃ ุจุงู„ู€ system y to y ูŠุนู†ูŠ ุงู„

333
00:33:02,740 --> 00:33:08,460
source y ูˆ ุงู„ู€ load y ูˆ ู…ู†ู‡ ู‡ุชุนู„ู… ูƒูŠู ุฃุญู„ู„ ุงู„ุฏูˆุงุฆุฑ

334
00:33:08,460 --> 00:33:15,780
ุงู„ุชุงู†ูŠุฉ ูˆ ู‡ู†ุดูˆู ูƒูŠู ู‡ุฐุง ุงู„ุญุงุฌุฉ ุจูŠุตูŠุฑ ุฅุฐุง ู‡ู†ุจุฏุฃ ุจู‚ู‰

335
00:33:15,780 --> 00:33:18,400
ุงู„ู„ูŠ ู‡ูŠ y to y system

336
00:33:21,150 --> 00:33:28,090
ุงู„ู€ Analysis ุงู„ู€

337
00:33:28,090 --> 00:33:37,390
Y ุงู„ู€ Y ูƒู„ ุดูŠุก ู‡ุฑุณู… ุงู„ู€ system ุงู„ุญู‚ูŠู‚ูŠุŒ ู…ุง ุชูุถู„ูŠุด

338
00:33:37,390 --> 00:33:40,550
ุชุฎุงููˆุง ู…ู†ู‡ ู„ุฃู† ุงุญู†ุง ู…ุด ู‡ู†ุชุนุงู…ู„ ู…ุนุงู‡ุŒ ุงุญู†ุง ู‡ู†ุจุณุทู‡

339
00:33:40,550 --> 00:33:44,790
ู„ุทุฑูŠู‚ุฉ ุงู„ู„ูŠ ุงุญู†ุง ู‡ู†ุชุนุงู…ู„ ู…ุนุงู‡ ู†ุจุฏุฃ ุจุงู„ู€ source ุงู„

340
00:33:44,790 --> 00:33:49,070
source ู‡ุชุฑุณู…ู‡ ุนู„ู‰ ุดูƒู„ Y ูุงู„ู€Y ุงุญู†ุง ุจู†ุนุฑู ุฃู† ุงู„ู€Y ู‡ูŠ

341
00:33:49,070 --> 00:33:53,250
ู…ู…ูƒู† ุฃูƒุชุจู‡ุง ูˆ ููŠ ู†ุงุณ ุจูŠู‚ุฑุจูˆุง ู„ู‡ุง ุจู‡ุฐุง ุงู„ุดูƒู„ ุฃู† ุงุญู†ุง

342
00:33:53,250 --> 00:33:57,670
ูƒู…ู‡ู†ุฏุณูŠู† ุจู†ุญุจ ุงู„ุฑุณู… ุจุฎุทูˆุท ุนุฏู„ุฉุŒ ุตุญุŸ ู…ุด ู‡ุชู„ุงู‚ูˆู†ุง

343
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

344
00:34:00,970 --> 00:34:04,150
ุจุณ ู‡ุฐู‡ ู‡ูŠ ู‡ุงูŠุŒ ุจุณ ุจูŠู† ุงู„ุจุฑุงุฏุดูŠู† ู‡ุฏูˆู„ ุจู…ุง ู‡ูˆ ููŠ

345
00:34:04,150 --> 00:34:09,550
ุฒุงูˆูŠุฉ 180ุŒ ุจุฑุถู‡ Y ุจุณ ู„ู…ุง ูู† ุงู„ุฑุณู…ุŒ ูŠุนู†ูŠ ู‡ูŠูƒูˆู† ุงู„

346
00:34:09,550 --> 00:34:15,090
source ุชุจุนูŠ ุฃู†ุง ู‡ุฑุณู… ุจู‡ุฐุง ุงู„ุดูƒู„ุŒ ุจุณ ู‡ูˆ ู…ูŠู†ุŸ YุŒ ุตุญุŸ

347
00:34:16,640 --> 00:34:25,200
ู‡ุฐู‡ ุงู„ู†ู‚ุทุฉ ูˆุตู„ุงู„ูŠ ุงู„ู„ูŠ ู‡ูˆ ุงู„ู€ source ุงู„ุฃูˆู„ุงู†ูŠ ูˆุงู„

348
00:34:25,200 --> 00:34:29,220
impedance ุจุชุงุนุชู‡ ูˆู‡ุฐู‡ ุงู„ู€ source ุงู„ุซุงู†ูŠ ูˆู‡ุฐู‡ ุงู„

349
00:34:29,220 --> 00:34:34,720
impedance ุจุชุงุนุชู‡ ูˆู‡ุฐู‡ ุงู„ู€ source ุงู„ุซุงู„ุซ ูˆู‡ุฐู‡ ุงู„

350
00:34:34,720 --> 00:34:37,280
impedance ุจุชุงุนุชู‡ ุงุญู†ุง ุงุชูู‚ู†ุง ุฃู†ู‡ ููŠ ุงู„ู€ y

351
00:34:37,280 --> 00:34:41,480
connection ู‡ูŠูƒูˆู† ููŠ ุนู†ุฏ ุงู„ุณุงู„ุจ ุชุจุนู‡ู… ูƒู„ู‡ ู…ูˆุตูˆู„ ู…ุน

352
00:34:41,480 --> 00:34:46,730
ุจุนุถู‡ ู‡ุณู…ูŠู‡ ู†ู‚ุทุฉ n ุตุบูŠุฑุฉ ุงู„ู€ null ุชุจุนู‡ู… ุงู„ู€ nullุŒ ุงู„ู€

353
00:34:46,730 --> 00:34:50,330
zero ุชุจุน ุงู„ู€ three sources ูŠุนู†ูŠ ุงู„ู€ negative ุงู„ุทุฑู

354
00:34:50,330 --> 00:34:56,630
ุงู„ุณุงู„ุจ ุชุจุนู‡ ู…ูˆุตูˆู„ ู…ุน ุจุนุถู‡ ู‡ุณู…ูŠ ู‡ุฐุง V A prime in

355
00:34:56,630 --> 00:35:03,290
ู„ุฃู† ู‡ุฐู‡ ุงู„ู†ู‚ุทุฉ ู‡ุณู…ูŠู‡ุง A prime ู‡ุฐุง ุงู„ุทุฑู ูƒู„ู‡ ู‡ูˆ

356
00:35:03,290 --> 00:35:09,220
ุงู„ู„ูŠ ู‡ูŠุชุณู…ู‰ A ู…ู† a ู„ู†ู„ ู‡ูˆ ุงู„ู€ source ุงู„ุฃูˆู„ ู‡ุฐู‡ ุนุจุงุฑุฉ

357
00:35:09,220 --> 00:35:19,680
ุนู† zja ุงู„ู€ impedance ู„ู„ู€ source a ู„ู„ู€ generator a ู‡ู†ุง

358
00:35:19,680 --> 00:35:27,080
ุญุฌู ู‡ุฐุง ุงู„ู„ูŠ ู‡ูˆ vb prime in ู‡ุฐู‡ b prime ู‡ุฐู‡ ู‡ุชูƒูˆู†

359
00:35:27,080 --> 00:35:39,680
zgb ู‡ุฐู‡ ู‡ุชูƒูˆู† vC prime in ูˆู‡ูŠ ุงู„ู€ C prime ูˆู‡ุฏ ZGC

360
00:35:39,680 --> 00:35:51,100
ู‡ู†ุง ู‚ู„ู†ุง ู‡ูŠ ู‡ู†ุณู…ูŠู‡ุง ุงู„ู†ู‚ุทุฉ A ู‡ูŠ

361
00:35:51,100 --> 00:35:55,830
ุงู„ู†ู‚ุทุฉ B ูˆู‡ูŠ ุงู„ู†ู‚ุทุฉ C ุทู„ุน ุนู„ูŠู‡ ุงู„ู€ voltage ุงุญู†ุง ุงูŠุด

362
00:35:55,830 --> 00:35:59,170
ุณู…ูŠู†ุงู‡ุงุŸ ู‡ุฐุง ุงู„ู€ voltage ู…ุซู„ุง ุชุทู„ุน ุนู„ู‰ ุงู„ู€ source

363
00:35:59,170 --> 00:36:04,350
minus ุงู„ู€ plusุŒ ู‡ุงูŠ ุงู„ู†ู‚ุทุฉ in ูˆู‡ุงูŠ ุงู„ู†ู‚ุทุฉ c prime

364
00:36:04,350 --> 00:36:08,630
ุณู…ูŠุชู‡ ู…ู† ุงู„ุทุฑู ุงู„ู„ูŠ ู‡ูˆ c prime ู„ู€ inุŒ ู…ู† ุงู„ุฃุนู„ู‰

365
00:36:08,630 --> 00:36:14,550
ู„ุฃู‚ู„ุŒ vc prime in ูŠุนู†ูŠ ู…ุนู†ุงู‡ ู‡ุงุฏ ุนุจุงุฑุฉ ุนู† vc prime

366
00:36:14,550 --> 00:36:19,880
minus vin ุงู„ู„ูŠ ู‡ูŠ zeroุŒ vc prime in ูŠุนู†ูŠ ู„ู…ุง ุจุฏุฃ

367
00:36:19,880 --> 00:36:27,640
ุฃุญูƒูŠ ุนู† VAB ุจุดูƒู„ ุนุงู… ุนุจุงุฑุฉ ุนู† VA minus VB ุจูƒูˆู† ุงู„

368
00:36:27,640 --> 00:36:34,720
voltage ุงู„ู„ูŠ ุจุญูƒูŠ ุนู†ู‡ ู…ู† ุงู„ู„ูŠ ู‡ูŠ A ู„ู€ B ุชู…ุงู…ุŒ ุจุณ

369
00:36:34,720 --> 00:36:40,880
ู‡ุฐุง ู„ู„ุชุฐูƒูŠุฑ ู„ูŠุด ุฃู†ุง ุณู…ูŠุชู‡ VCN ู…ุด VNCุŒ VCN ุงู„ุฃูƒุจุฑ

370
00:36:40,880 --> 00:36:46,400
ู„ู„ุฃู‚ู„ VA prime N, VB prime N ุฒูŠ ู…ุง ุงุญู†ุง ู…ุชุนูˆุฏูŠู†

371
00:36:47,910 --> 00:36:50,330
ุชู…ุงู… ู‡ุฐุง ู…ูŠู† ุงู„ู€ source ุชุจุนูŠ ุงู„ู„ูŠ ู‚ู„ู†ุง ุดูƒู„ู‡ ู…ูŠู†

372
00:36:50,330 --> 00:36:54,250
whyุŸ why ู„ุฃู†ู‡ ุฒูŠ ู‡ุฐู‡ ุงู„ุฑุณู…ุฉ ุฒูŠ ู…ุง ู‚ู„ุชู„ูƒู… ู‡ูŠ ู†ูุณ ุงู„

373
00:36:54,250 --> 00:36:58,550
why ู‡ุงูŠ ูˆุงุญุฏ ู…ู† ุงู„ู€ source ูˆู‡ูŠ ุงุชู†ูŠู† ู…ู† ุงู„ู€ sources

374
00:36:58,550 --> 00:37:02,030
ู‡ุฏูˆู„

375
00:37:02,030 --> 00:37:05,910
ู…ู† ุฎู„ุงู„ transmission line ุฎุทูˆุท ู†ู‚ู„ ูŠุนู†ูŠ ุงูŠู‡ ุงู„ุฎุทูˆุท



376
00:37:05,910 --> 00:37:11,630
ุงู„ู†ู‚ู„ impedanceุŸ ุจุฏูŠ ุฃู‚ูˆู„ ุงู„ุฃุญู…ุงู„ ู‡ุฐู‡ ูˆูˆุฏูŠู‡ุง ู„ู„

377
00:37:11,630 --> 00:37:16,450
load ุจูŠูŽู†ู‚ู„ ุงู„ู‚ูˆุฉ ุงู„ electric power ูˆ ุฃูˆุฏูŠู‡ุง 

378
00:37:16,450 --> 00:37:30,230
ู„ู„ุฃุญู…ุงู„ุŒ ุจุณ ู ..ู‡ุฐู‡ ู‡ุณู…ูŠู‡ุง Z1A Z1B Z1C Z1A ูˆ Z1B ูˆ

379
00:37:30,230 --> 00:37:33,970
Z1C ุจุชู‚ูˆู„ ุฅู† ู‡ุฐูŠ ู‡ูŠ ุงู„ ingredients ุจุชุงุน ุงู„

380
00:37:33,970 --> 00:37:37,770
transmission lines ู‡ุฏูˆู„ุฉ ุฎุทูˆุท ุงู„ู†ู‚ู„ ุงู„ู„ูŠ ู…ูˆุตูˆู„

381
00:37:37,770 --> 00:37:40,450
ู…ุซู„ุง ู‡ู†ุง ุจุงู„ generator A ูˆู‡ุฐุง ู…ูˆุตูˆู„ ุจุงู„ generator

382
00:37:40,450 --> 00:37:45,230
B ูˆู‡ุฐุง ู…ูˆุตูˆู„ ุจุงู„ generator C ู†ูŠุฌูŠ ู„ู€ B ู„ู„ load ุงู„

383
00:37:45,230 --> 00:37:49,230
load ุจุฑุถู‡ ุจุฏูŠ ู‡ูŠ ุนู„ู‰ ุดูƒู„ Deltaู‡ุฑุณู…ูˆุง ุจู†ูุณ ุงู„ุทุฑูŠู‚ุฉ

384
00:37:49,230 --> 00:37:51,890
ุฑุณู…ุช ููŠู‡ุง ุงู„ source ุงู„ Y ุจุชุฃุณูู‡ุง ู‡ุฑุณู…ูˆุง ุจู†ูุณ

385
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‡

386
00:37:56,670 --> 00:38:04,410
ุงู„ุทุฑูŠู‚ุฉ ู‡ุณู…ูŠ ู‡ุฐุง Z capital A ูŠุนู†ูŠ ุงู„ loads ู‡ู†ุนุทูŠู‡ู…

387
00:38:04,410 --> 00:38:10,090
capital A ูˆ ุงู„ sources small a ุนุดุงู† ู…ูŠุฒ ุงู„ load ุนู†

388
00:38:10,090 --> 00:38:16,400
ุงู„ source ุงู„ุทุฑู ุชุจุน ุงู„ load ู‡ุณู…ูŠู‡ capital Aู‡ุฏุง ZB

389
00:38:16,400 --> 00:38:27,060
ูˆ ู‡ุฏุง ู‡ุชูƒูˆู† capital B ูˆ

390
00:38:27,060 --> 00:38:35,120
ู‡ุฏูŠ ZC ูˆ ู‡ู†ุง ู‡ุชูƒูˆู† capital C

391
00:38:35,120 --> 00:38:40,600
ุชู…ุงู…ุŸ ุงุฐุง ุนู†ุฏูŠ ุงู„ load ุจุณ ุงุฎุฑ ุญุงุฌุฉ ู„ุฑุณู…ู‡ุง ุนุดุงู† ..

392
00:38:42,520 --> 00:38:46,800
ู‡ุฐุง ุงู„ู„ูŠ ู‡ูˆ ุงู„ null ุฎุท ุงู„ุนุฑุถูŠุŒ ุจุณ ุจูŠูƒูˆู† ู…ู‚ุงูˆู…ุฉ ู„ู‡ุŒ

393
00:38:46,800 --> 00:38:50,300
ู…ููŠุด ู„ู‡ ุฃูŠ generationุŒ ู‡ุฐุง ุงู„ null ุงู„ู„ูŠ ุบุงู„ุจุง

394
00:38:50,300 --> 00:38:52,760
ุจุชุถุนู ู„ู„ุญู…ุงูŠุฉุŒ ู…ุซู„ุง ู…ูŠุฒุฉ null

395
00:38:56,190 --> 00:38:59,670
ุฃู†ุง ู‡ุจุฏุฃ ู…ู† ุงู„ู…ุญุงุถุฑุฉ ุงู„ู‚ุงุฏู…ุฉ ู…ู† ู‡ุงูŠ ุงู„ุฑุณู…ุฉ ูŠุนู†ูŠ

396
00:38:59,670 --> 00:39:03,590
ุฃูˆู„ ู…ุง ู‡ุฏุฎู„ ู‡ุฑุณู… ู‡ุงูŠ ุงู„ุฑุณู…ุฉ ุนุดุงู† ู…ู†ู‡ุง ู‡ู†ุจุฏุฃ ุนู…ู„ูŠุฉ

397
00:39:03,590 --> 00:39:07,710
ุงู„ุชุญู…ูŠู„ ูˆ ู†ุดูˆู ูƒูŠู ู…ู…ูƒู† ู†ุจุณุท ุดุงูŠููŠู† ุงู„ุฏุงุฆุฑุฉ ู‡ุงูŠ

398
00:39:07,710 --> 00:39:11,490
ุงู„ูƒุจูŠุฑุฉ ู‡ุชุจุณุท ู…ุนู†ุง ูˆ ุชุตูŠุฑ ุฏุงุฆุฑุฉ ุตุบูŠุฑุฉ ูƒุชูŠุฑ ุงู„ู„ูŠ

399
00:39:11,490 --> 00:39:14,570
ู†ูู‡ู… ู†ุชุนุงู…ู„ ู…ุนุงู‡ุง ูˆ ุชุตูŠุฑ ุดุจูŠู‡ุฉ ุจุงู„ุฃุดูŠุงุก ุงู„ู„ูŠ

400
00:39:14,570 --> 00:39:20,770
ุงุชุนู„ู…ู†ุงู‡ุง ุฎู„ุงู„ ูƒู„ ุงู„ูุตู„ ู„ู„ู‚ุงุก ุงู„ู‚ุงุฏู… ุงู† ุดุงุก ุงู„ู„ู‡ ูˆ

401
00:39:20,770 --> 00:39:25,250
ู†ุดูˆููƒู… ูˆ ู†ูƒู…ู„ ููŠ ู…ุง ู‡ูˆ three phase system ูŠุนุทูŠูƒูˆุง

402
00:39:25,250 --> 00:39:25,650
ุงู„ุนุงููŠุฉ