Magnetically controlled voltage type reactive power dynamic compensation device
A dynamic compensation and power compensation technology, applied in reactive power adjustment/elimination/compensation, reactive power compensation, circuit devices, etc., can solve inrush current impact, cut off overvoltage, and response speed is limited by the action time of the load adjustment switch, etc. question
Inactive Publication Date: 2019-03-08
申建一
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Problems solved by technology
Its main disadvantages are: when the device is put into operation, there will be an inrush impact, and when it is cut off, there will be an overvoltage phenomenon, and the adjustment range of the device is uncontrollable.
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Embodiment Construction
[0022] Non-limiting examples of the magnetically controlled voltage-type reactive power dynamic compensation device of the present invention are as follows.
[0023] 2×3000KVar / 27.5KV reactive power dynamic compensation device for a railway electrified traction substation. Among them, the reactive power compensation and 3rd harmonic current filtering branch has a capacity of 1800KVar, the reactive power compensation and 5th harmonic current filtering branch has a capacity of 1200KVar, and the primary system schematic diagram is as follows image 3 shown.
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The invention discloses a magnetically controlled voltage type reactive power dynamic compensation device, which has a high-order harmonic wave current filtering function and belongs to the technicalfield of power equipment. The device is composed of an autotransformer, an on-load voltage regulation switch, a magnetically controlled reactor branch, a reactive power compensation filtering branch,a magnetically controlled reactor control system, a background data processing industrial personal computer and an on-load voltage regulation switch controller. The device has zero voltage and zero current input, namely, inrush current impact is avoided when input is executed; and the device realizes zero voltage and zero current cutting, namely, an overvoltage phenomenon is not generated when cutting is executed. The device is highly safe and reliable in operation, and has low active power loss. The device is particularly suitable for railway electric traction transformation stations, and canbe used as a reactive power dynamic compensation, high-order harmonic wave current filtering and system bus voltage regulation device for an electric traction engine. Thus, voltage quality and systemoperation economical efficiency of a traction power supply system are improved.
Description
technical field [0001] The magnetically controlled voltage-type reactive power dynamic compensation device disclosed by the invention has the high-order harmonic current filtering function, and belongs to the technical field of electric equipment. In particular, a device can achieve zero voltage and zero current input, that is, no inrush impact will be generated when input; zero voltage and zero current cut off, that is, no overvoltage phenomenon will be generated when cut off. The voltage regulation link of the device can control the adjustment range of the device, and the magnetron reactor link can control the response speed of the device. Background technique [0002] The types of existing reactive power dynamic compensation devices include: magnetron reactor type (MCR) reactive power dynamic compensation device, auto-coupling voltage regulation type reactive power dynamic compensation device. [0003] The working principle of the magnetically controlled reactor type rea...
Claims
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Patent Timeline
Login to View More IPC IPC(8): H02J3/18H02J3/01H02J3/16
CPCH02J3/01H02J3/16H02J3/1878Y02E40/30Y02E40/40
Inventor 陈君诚
Owner 申建一
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