( ( Electrical inverters ) ( ( are ( devices ( that ( convert ( ( ( direct current ) ( -LRB- ( DC -RRB- ) ) ) ( to ( alternating ( current ( -LRB- ( AC -RRB- ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (JJ Electrical) (NNS inverters)) (VP (VBP are) (NP (NP (NNS devices)) (SBAR (WHNP (WDT that)) (S (VP (VBP convert) (NP (NP (JJ direct) (NN current)) (PRN (-LRB- -LRB-) (NP (NNP DC)) (-RRB- -RRB-)) (PP (TO to) (S (VP (VBG alternating) (NP (NP (JJ current)) (PRN (-LRB- -LRB-) (NP (NNP AC)) (-RRB- -RRB-)))))))))))) (. .)))
Electrical inverters are devices that convert direct current (DC) to alternating current (AC).
(ROOT (S (NP (VBG Alternating) (NN current)) (VP (VBZ is) (NP (NP (DT the) (NN term)) (PP (IN for) (NP (JJ electric) (NN current))) (SBAR (WHNP (WDT that)) (S (VP (VBZ keeps) (S (VP (VBG reversing) (NP (NN direction))))))))) (. .)))