UPS back-pouring energy releasing method and releasing device and terminal

Abstract

The invention is applicable to the technical field of UPS, and provides a UPS back-pouring energy releasing method and releasing device and a terminal. The discharging method comprises the following steps of judging whether the UPS suffers from energy back-pouring or not; if the UPS suffers from energy back-pouring, controlling an energy releasing circuit of the UPS to be conducted with a bus of the UPS, and controlling a designated part of the UPS to execute preset energy consumption action; and when the conduction time of the energy releasing circuit and the bus reaches the preset duration,or when detecting that the back-pouring energy of the UPS is less than a preset value, controlling the energy releasing circuit to be disconnected from the bus. According to the method, the energy releasing circuit is used for releasing and consuming the energy which is reversely poured into the bus, and in addition, the designated part of the UPS is used for executing the preset energy consumption action, so that rapid release of the back-pouring energy is realized, power supply interruption caused by back pouring of the bus to a high-voltage protection state can be avoided, and the energy releasing circuit can be disconnected in time after the back-pouring energy is reduced.

Description

technical field [0001] The invention belongs to the technical field of UPS, and in particular relates to a discharge method, a discharge device, a terminal and a computer-readable storage medium for UPS backfilling energy. Background technique [0002] Uninterruptible Power Supply (UPS for short) is a system device that connects an energy storage unit (such as a storage battery) with a host computer and converts DC power into commercial power through the inverter of the host computer. It is mainly used to power a single computer, computer The network system or other electrical equipment such as solenoid valves, pressure transmitters and other loads provide stable and uninterrupted power supply. [0003] In some application scenarios, the load may feed energy back to the UPS. For example, if the UPS has a motor-type load, when the motor brakes or accelerates, the motor will feed energy back to the UPS, which may cause the bus of the UPS to be fed back to the UPS. High voltag...

AI Technical Summary

Problems solved by technology

[0004] In view of this, the present invention provides a discharge method, discharge device, terminal and computer-readable storage medium for UPS backfilling energy, aiming to solve the problem of backfilling energy from loads to UPS in the prior art, resulting in UPS failure. The busbar is fed back to the high voltage protection state, and then the power supply is interrupted.

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