Synchronous motor full voltage starting circuit
Source: InternetPublisher:风向西瓜 Keywords: Synchronous motor starting circuit excitation protective relay Updated: 2020/12/07
The circuit is shown in Figure 3-186. In the figure, os is the isolation switch; QF is the vacuum circuit breaker; YR is the circuit breaker opening
coil; YA is the circuit breaker closing coil; SAi in the dotted box is the excitation device (not shown in the figure), which is ready to complete and wait for operation. switch; KAs is the excitation protection relay
in the excitation device ; KAs is the protection relay contact for general stop and voltage loss ;
SBi is the start button, and SBz is the stop button.
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