Method for testing wiring of secondary circuits of four-star voltage transformers
A technology of voltage transformers and testing methods, which is applied in the parts, instruments, measuring electricity and other directions of electrical measuring instruments, can solve the problems of error-prone, low work efficiency and high misjudgment rate.
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[0063] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.
[0064] See figure 1 , the four-star voltage transformer secondary circuit wiring test method of this embodiment is tested by using a self-made tester. The self-made tester is mainly composed of a primary side device 1, a secondary side device 2 and a power module. The power module is in figure 1 Not shown in the figure, the power supply module has a power supply output terminal; the power supply output terminal of the power supply module outputs +5V direct current, which is used as the working power supply of the system.
[0065] The primary device 1 is mainly composed of a voltage generating circuit 11 , a controller 12 , a first wireless communication module 13 and a signal conditioning circuit 14 . The voltage generating circuit 11 is provided with a voltage input terminal, a voltage output terminal, a drive signal input termi...
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