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Device and method for controlling cascaded SVG (static var generator) cooling system

A cooling system control and chain technology, applied in the cooling/ventilation of substation/switchgear, electrical components, electric solid devices, etc., can solve the problems of frequent fan startup, loud fan noise, energy waste, etc., and reduce the number of startups , Reduce energy consumption and improve work efficiency

Active Publication Date: 2015-09-30
SHANDONG HADA ELECTRIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the automatic control will cause the fan to start frequently; the manual control will cause energy waste, and the fan will bring a lot of noise when it is running.

Method used

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  • Device and method for controlling cascaded SVG (static var generator) cooling system
  • Device and method for controlling cascaded SVG (static var generator) cooling system
  • Device and method for controlling cascaded SVG (static var generator) cooling system

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Embodiment Construction

[0030] The present invention will be described more fully hereinafter with reference to the accompanying drawings, in which exemplary embodiments of the invention are illustrated.

[0031] figure 1 It shows a structural block diagram of a cooling system control device of a chain static var generator SVG according to an embodiment of the present invention. Such as figure 1 As shown, the device 100 mainly includes:

[0032] The temperature detection module 101 is installed on the IGBT (Insulated Gate Bipolar Transistor, insulated gate bipolar transistor) core of the link unit of the chained SVG, and is used to detect the temperature of the IGBT core in real time and generate a temperature signal.

[0033] Specifically, the IGBT core may include an IGBT element and a reverse diode.

[0034] A temperature signal conversion module 102, configured to determine the temperature of the IGBT core according to the temperature signal generated by the temperature detection module;

[0...

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Abstract

The invention discloses a device and a method for controlling a cascaded SVG (static var generator) cooling system. The device comprises a temperature detection module, a temperature signal converting module and a control module, wherein the temperature detection module is mounted on an IGBT (insulated gate bipolar transistor) kernel of each cascaded unit of a cascaded SVG and used for detecting the temperature of the IGBT kernel in real time and generating temperature signals; the temperature signal converting module is used for determining the temperature of the IGBT kernels according to the temperature signals generated by the temperature detection module; the control module is used for controlling the air volume of a cooling fan according to the current temperature of the IGBT kernels. According to the device and the method, the temperature of the IGBT kernels can be tracked in real time, the cascaded units of the cascaded SVG work at the optimal temperature, and the working efficiency is improved to the maximum; the starting times of the fan can be reduced effectively, the service life can be prolonged, the working efficiency of the fan can be improved, energy loss can be reduced, the rotating speed of the fan can be controlled, and noise caused by fan operation can be reduced.

Description

technical field [0001] The invention relates to the field of power systems, in particular to a cooling system control device and method for a chained SVG. Background technique [0002] Most of the current chained SVG (Static Var Generator) cooling systems are air-cooled circulation systems, and only a few large-capacity devices use water-cooled circulation systems. However, most of the air-cooled circulation system control methods are relatively simple, which directly control the start and stop of the fan, and then cool the chain link unit through the air duct. The fan power selection is mostly designed according to the maximum power consumption of the chain link. [0003] There are two ways to control temperature in the prior art: the first is automatic control, when the device detects that the temperature of the link unit exceeds the set value, the fan is started, and when the temperature of the link unit is lower than the set value, the fan is stopped , the second is ma...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02B1/56H01L23/467
Inventor 邵泽华赵品万道金
Owner SHANDONG HADA ELECTRIC
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