Online monitoring device for turn-to-turn insulation fault of air-core power reactor
A technology of inter-turn insulation and monitoring devices, applied in measuring devices, electrical winding testing, instruments, etc., can solve the problems of burning reactors, reactor fires, damages, etc., and achieve the effect of monitoring and strong practicability
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[0025] The present invention will be further described below in conjunction with accompanying drawing and specific embodiment, with reference to Figure 1~5 , is the embodiment provided by the utility model.
[0026] The present invention is composed of a signal extraction part, a signal conversion control part, a computer operation part, a display and an alarm part figure 1 ; The loss factor data used for monitoring is the loss factor result obtained from the simulation experiment.
[0027] Described emulation step is: 1) set up the analog circuit under the normal working condition such as image 3 , Calculate the loss factor through the current and voltage of each branch; 2) Establish a fault simulation circuit under the working state of inter-turn short circuit, calculate the active power and reactive power through the current and voltage, and obtain the loss factor through the ratio; 3) Establish the fault simulation circuit Fault simulation circuit under short-circuit w...
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