A residual voltage recording module and a residual voltage detection method for a recloser-type feeder terminal
A technology for recording modules and feeder terminals, which is applied to instruments, measuring devices, and measuring electrical variables, etc. It can solve the problems that the residual voltage detection circuit cannot meet the operating conditions and missed detection, and achieve the effect of ensuring power supply and short action time
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[0031] The present invention will be further described below in conjunction with the accompanying drawings.
[0032] Firstly, the deficiencies of the prior art are described in combination with the distribution line topology diagram.
[0033] Segment switches and tie switches are primary devices. The voltage and current transformers in the switches convert the primary voltage and current into secondary voltage and current to facilitate the collection of secondary equipment.
[0034] Each section switch and tie switch will be connected with a feeder terminal, and the feeder terminal will make logical judgments based on voltage, current, and switch position.
[0035] In this application, for the convenience of description, the section switch and tie switch are set as a complete set consisting of primary switchgear and secondary feeder terminal. The primary switch converts primary voltage and current into secondary voltage and current and feeds the feeder terminal , the feeder t...
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