In-put control method for standby powers of transformer substations
A backup power supply and control method technology, applied in the field of power grids, can solve the problems of limited substation bus connection types, inability to operate at the same time, inability to handle lines, etc.
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[0018] The specific embodiments of the backup power input control method of the substation of the present invention will be described in detail below with reference to the accompanying drawings.
[0019] The control method of the present invention is to treat the standby power supply line and the standby bus tie / section switch (representing a bus tie switch or a section switch) as a spare element, respectively. Set a priority of standby power supply. When the busbar loses voltage, select the standby power supply components that can be switched on after startup according to the priority order of the standby power supply to restore the power supply of the voltage-loss bus; if multiple switchable standby power supply components are in the same priority, When selected, it will be closed at the same time, not limited to the operation mode in the substation. According to the principle of "maximization", this method is designed with the substation of double-bus and double-section wir...
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