What is the purpose of the energy storage switch on a high-voltage switchgear?
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A storage switch is used for energy storage – does it store energy for a circuit breaker?
Yes, it is used to store energy for closing the circuit breaker
The energy storage switch controls the start and stop of the energy storage motor. The function of the energy storage motor is to drive the energy storage mechanism to compress the spring of the closing mechanism, thereby generating a certain amount of compression energy in that spring. Once the energy storage motor stops operating, it is available for use when it is necessary to close or open the circuit breaker.
Reply to 3# czywqa: Does the circuit breaker close first and then store energy, or does it store energy first and then close? When is the energy for the circuit breaker’s sections stored?
Reply to 3# czywqa: I have some doubts! The energy storage mechanism is “reserved for use when simultaneous tripping is required”. It should be “reserved for use when closing is required”; the trip function doesn’t need an energy storage mechanism, right!?
Acting on opening and closing, abbreviated as spring operator
......The moderator is absolutely right
Reply to 5# l-zhi-q: During the first closing, store energy first and then close the switch. If the energy storage switch remains closed, the spring mechanism will automatically store energy after closing, waiting for the next closing operation; no energy storage is required when opening the switch.