Can a set of DC panels ensure the safety of high-voltage control circuits?
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Nowadays, the high-voltage control circuits in the high-voltage power distribution systems of many factories use DC panels as emergency power sources during power outages. This equipment generally has two sets of battery packs, one for use and one for backup, which are switched through a set of switches. However, it only has one output template. If the emergency power supply is unbalanced and the current is too large during an emergency power outage, will the module be ejected and malfunctioned? Will the high-voltage control loop be insecure?
The DC panel means that when your high-voltage incoming line is powered off, there is still electricity stored in it. This can give you an alarm on your instrument and allow your instrument to display normally. High-voltage or low-voltage needs power to disconnect, and the closed circuit breaker gives you power to allow you to disconnect.