Soft starting device and method for high-power transformer
A transformer and high-power technology, applied in the field of high-power transformer soft-start devices, can solve the problems affecting the normal power supply and misoperation of high-power transformers, and achieve the effect of avoiding excessive starting current, avoiding overcurrent, and realizing automatic switching.
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[0035] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0036] refer to figure 2 , the present invention proposes a structural schematic diagram of an embodiment of a high-power transformer soft start device. The high-power transformer soft start device includes a current limiting module 10 , a control module 11 , a first switch module 12 and a second switch module 13 . in:
[0037] The current limiting module 10 is connected between the mains 15 and the high-power transformer 14 , and is used to limit the start-up current of the high-power transformer 14 . In one embodiment of the present invention, the current limiting module 10 includes three groups of resistors, which are respectively connected to the three-phase m...
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