Processing program for automatic switching experiment device of capacitor compensation cabinet

A capacitor compensation cabinet, automatic switching technology, applied in the field of electromechanical manufacturing, can solve the problems of inconvenient operation and wiring, increase test cost, increase power loss, etc., achieve convenient wiring, reduce purchase and maintenance costs, and reduce active power The effect of consumption

Inactive Publication Date: 2015-05-20
ZUNYI INST OF PROD QUALITY INSPECTION & TESTING
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AI-Extracted Technical Summary

Problems solved by technology

At present, the existing automatic switching test device of capacitance compensation cabinet is carried out by inductor load or high-power motor load, but the inductor load or motor load consumes active power, and the increase of current increases the loss of electric ene...
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Abstract

The invention relates to a processing program for an automatic switching experiment device of a capacitor compensation cabinet. The processing program includes that a phase-B power source and a phase-C power source are adopted respectively, and phase angle difference of 1200 of two phases is utilized; phase angle lag of the phase B and the phase C is adopted, and zero potential of the automatic switching experiment device of the capacitor compensation cabinet is converted and input into a capacitor switching controller, so that the capacitor compensation cabinet is enabled to automatically switch in; phase angle advance of the phase B and the phase C is adopted, and zero potential of the automatic switching experiment device of the capacitor compensation cabinet is converted and input into the capacitor switching controller, so that the capacitor compensation cabinet is enabled to automatically switch out. In this way, active power consumption caused by taking an inductor or a motor as load is reduced, power supply current is reduced, and automatic switching experiment cost of a capacitor is lowered; connection with the inductor or the motor serving as the load is not needed any more, and wiring of automatic switching operation of the capacitor is quite convenient, so that economic loss is reduced greatly for testing technology.

Application Domain

Electrical testingReactive power adjustment/elimination/compensation +1

Technology Topic

Phase angle differenceInductor +4

Image

  • Processing program for automatic switching experiment device of capacitor compensation cabinet
  • Processing program for automatic switching experiment device of capacitor compensation cabinet

Examples

  • Experimental program(1)

Example Embodiment

[0011] The present invention will be described in detail below with reference to the drawings.
[0012] Aiming at the defects of the prior art, the present invention adopts the phase difference of the three-phase power supply to change the lead and lag of the power factor during the capacitor switching process, thereby enabling the capacitor to perform automatic switching.
[0013] Such as figure 1 , figure 2 As shown, a processing program of a capacitor compensation cabinet automatic switching test device, the processing program takes B-phase and C-phase power respectively, and the phase angle difference between the two phases is 120 0; Take the phase angle of B phase and C phase lag, convert the zero potential of the automatic switching test device of the capacitor compensation cabinet, input the capacitor switching controller, so that the capacitor compensation cabinet will automatically switch; take the phase angle of B phase and C phase to lead, switch The capacitance compensation cabinet automatically switches the zero potential of the test device and inputs the capacitance switching controller, so that the capacitance compensation cabinet is automatically cut out. This not only reduces the active power consumption of the inductor or the motor as the load, reduces the supply current, and reduces the cost of the capacitor automatic switching test; and it is no longer necessary to connect the inductor or the motor load, and the capacitor automatic switching operation wiring is very convenient. Convenient, reducing a lot of economic losses to the test technology.

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Description & Claims & Application Information

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