Method and device for controlling switching to standby transformer
A backup transformer and backup voltage technology, applied in AC network circuits, electrical components, circuit devices, etc., can solve problems such as energy waste, power consumption, no-load loss, etc.
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[0026] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.
[0027] figure 1 is a flowchart of a method for controlling standby transformer switching according to an embodiment of the present invention. Method among the present invention can be used for the control device of factory power supply, as figure 1 As shown, the present invention may include the following steps.
[0028] In step S110, it is judged whether to start switching to the backup transformer according to the relevant parameters of the bus voltage and the backup voltage.
[0029] In an embodiment, the judging whether to switch to the backup transformer according to the relevant parameters of the bus voltage and the backup voltage may include: judging w...
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