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Transformer Over-temperature
The PCS transformer is equipped with high-precision thermal sensor to monitor the temper-
ature of the module. Once over-temperature is detected, DSP will help to maintain the safe
operation of the PCS by sending instruction to stop the PCS.
Module Fault
PCS IGBT module is equipped with self-protection function. When over-current is detected
during module self-detection, module will send fault information to the DSP. And the DSP will
send instruction to stop the PCS and send warning signals and display the fault type on the
WEB Page.
Fan Fault
PCS fans can perform self-detection. When that the fans stop running is detected, fans will
send fault information to the DSP. And the DSP will send instruction to stop the PCS and
send warning signal and display the fault type on the Web.
AD Sampling Fault
If PCS detects that the sampling channel zero-offset value exceeds the allowable range, the
PCS will send warning signals and display the fault type on the WEB Page.
Reversed Polarity Connection Fault
When the DC voltage is detected to be a negative value, the PCS will send warning signals
and display the fault type on the WEB Page.
System Manual 10 PCS Functions
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