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늴ŠtһԴlʲô

՚_P(gun)lԭһ^d·
7000W՚_P(gun)~63Aؓ(f)d늠tؓ(f)d
_Դ늉380V߀dž220VǾ͎̓ɷN늉Ӌһ
Դ늉380V
(dng)Դ늉380V늉r늠t
P=√3×U×I
I=7000÷1.732÷380=10.063A
늠t՚_P(gun)~
Դ늉220V
(dng)Դ늉220V늉r늠t
P=U×I
I=7000÷220=31.81A
늠t՚_P(gun)~
(dng)Դ늉Փ380V߀220V늠tӵ~h(yun)h(yun)ڿ՚_P(gun)~՚_P(gun)l^dF(xin)lĞ·F(xin)
·ྀ֞cྀ·ྀc㾀·c⚤·1.鿴ӟzǷpĶ·F(xin)2.ྀПoÓc⚤·
_P(gun)©늱o_P(gun)]㾀⚤·
늠tПo·
(dng)늠tп·r(yng)]|Пop|ȦЛ]гF(xin)·F(xin)󡣮(dng)ȻҲҪ]՚_P(gun)Ƿp

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