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Static var compensator (SVG) multi-machine parallel control system and method

A static var compensation and control system technology, applied in the direction of reactive power adjustment/elimination/compensation, system integration technology, information technology support system, etc., can solve the problems that different manufacturers cannot schedule, and achieve convenient connection, control, and connection The effect of convenient and high-speed communication

Pending Publication Date: 2020-02-21
TBEA XIAN ELECTRIC TECH +1
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Problems solved by technology

[0005] The invention provides a static var compensator SVG multi-machine parallel control system and control method. The method combines RS485 and optical fiber communication to control the SVG reactive power scheduling of different manufacturers at the same time, which overcomes the traditional SVG parallel machine for different The problem that the manufacturer cannot schedule

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  • Static var compensator (SVG) multi-machine parallel control system and method

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Embodiment Construction

[0018] Below in conjunction with accompanying drawing, the control method of SVG multi-machine parallel connection of the present invention is described in detail:

[0019] Such as figure 1 As shown, the present invention is a static var compensator SVG multi-machine parallel control system. The system is composed of multiple sets of static var compensators SVG from the same manufacturer or from different manufacturers and a debugging background host computer, wherein multiple sets of static var compensators Select one static var compensator SVG in the SVG as the master, and other groups of static var compensators SVG as slaves, and the host computer in the debugging background communicates with the RS485 on the communication board of the SVG master of the static var compensator through RS485 communication# 1 for connection, the RS485 communication port #2 in the static var compensator SVG host is connected to the RS485 communication interface in the SVG slave of the static va...

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Abstract

The invention provides a static var compensator SVG multi-machine parallel control system and method. According to the parallel control system, the design of communication modules of different manufacturers and the same manufacturer is carried out in the host of a multi-machine parallel static var generator (SVG), so that the problem of parallel operation of the SVGs of the same manufacturer and different manufacturers is effectively solved, the communication control method under different working conditions is provided according to the different manufacturers of the parallel static var generators (SVG), and parallel operation of the SVGs of the different manufacturers is achieved.

Description

technical field [0001] The invention belongs to the technical field of static var compensator (SVG) multi-machine parallel strategy, and relates to a static var compensator SVG multi-machine parallel control system and a control method. Background technique [0002] SVG (Static Var Compensator) is the most advanced reactive power compensation technology in the power system at the present stage. It can quickly and continuously output capacitive reactive power or inductive reactive power. By controlling the reactive power of the system, the grid voltage can be stabilized. Improve the system power factor to ensure the stable and efficient operation of the power system. [0003] Due to the current limitation of power switch (IGBT) technology, the capacity of a single SVG device is not large. With the continuous increase of the capacity of the power system, the demand for the capacity of the reactive power compensation device in the power system is also increasing, and there will...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/18H02J13/00
CPCH02J3/1821Y02E40/10Y02E40/70Y04S10/22
Inventor 万萌吕琳李学亮王浩高原潘海荣孙君朋
Owner TBEA XIAN ELECTRIC TECH
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