Capacitor Bank Fault Detector

Abstract

The invention relates to a measuring device, in particular to a capacitor bank fault detector. The capacitor bank fault detector comprises a power source module, a control module, a detection module, a storage module and a display, wherein the control module, the detection module, the storage module and the display are connected with the output end of a voltage module. The input end of the detection module is connected with a detection end opening for being connected with a capacitor bank to be tested. The detection end opening comprises a built-in current mutual inductor sampling leading-in end, a built-in current mutual inductor sampling leading-out end, a test line voltage sampling input end, an external current clamp connection line leading-in end and a discharging coil secondary side connection end. The input end of the control module is connected with the output end of the detection module and a set keyboard, processes detection data from the detection module according to control parameters input from the set keyboard and outputs and displays the measuring result on the display. The capacitor bank fault detector can measure a single single-phase capacitor of the parallel connection capacitor bank and measure the three-phase capacitors of various connection types at the same time without detaching wires, the detector is easy to use and efficient in detection.

Description

technical field [0001] The invention relates to a measuring device, in particular to a capacitor bank fault detector for measuring parallel capacitor banks. Background technique [0002] In order to reduce reactive power loss, the power system usually adopts the method of connecting capacitor banks in parallel to improve the power factor, and strive to achieve local balance of reactive power and improve voltage quality. [0003] Reactive power compensation capacitor is an important equipment to meet the reactive power balance of power system. In recent years, the problem of reactive power has been paid more and more attention by the power sector. A large number of reactive power compensation devices have been put into distribution network operation. The power supply requires real-time balance between active and reactive power of the system. Therefore, reactive power compensation devices should meet the requirements of automatic tracking, real-time In order to meet the requi...

AI Technical Summary

Problems solved by technology

On-site capacitors are all connected in groups and in parallel. The traditional method is to remove the capacitor busbar and then measure it with an old-fashioned capacitance meter. Since the capacitor bank is composed of dozens to hundreds of small capacitors, it is necessary to remove the wires to measure the capacitance. The amount is very large, and frequent removal of the wires will cause the screws to slip or not be tightened, leaving a safety hazard, and it is easy to cause secondary damage to the capacitor

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