0mm电容电压相量i 0落后电流相量i 90°,且Vc=100 √2 100 ⑦总电压相量 Ig102③ 100 得 =100√2=141电容电压相量 R I VR③ VL V1 10 2 50 2 X C I ① ② ④ 0 ⑤I 10 10 VC 100 ⑥ VC 落后电流相量 0 I 90º，且VC=100 R I VR③ VL V1 10 2 50 2 X C I ① ② ④ 0 ⑤I 10 10 VC 100 ⑥ ⑦ V0 100 2 ⑦总电压相量 V V V 0 1 = + C 得 0 V = = 100 2 141 −  j10 j5 5 XC V0 V1A0 A1 100V10A ⑥