336A4932ALG08 W SCNV SAPL SHCA

3HAC044168-001
6fc5210-0df25-2aa0
MVI56-DFCM
R911298373
HMV01.1E-W0030-A-07-NNNN
HMS01.1N-W0036-A-07-NNNN
HMS01.1N-W0150-A-07-NNNN
GC50-U050
woodwardegcp-2
1756-L60M03SE
2711-K10G1
2711-K6C2

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描述

相位差是指两个同频率正弦量的相位(或初相位)之差。两个同频率正弦交流电的相位差与时间无关。所以,不同频率的两个正弦量,讨论它们间的相位差是没有意义的。

在分析交流电路时,常需要比较几个不同频率的正弦量之间的相位关系,此时,可任选一个正弦量的初相位零作参考正弦量,其它各量则可按与参考正弦量的相位差来确定其初相,但讨论过程中不可变更。

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