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Capacitor switching and monitoring system based on single chip microcomputer and configuration

A capacitor switching and monitoring system technology, applied in reactive power compensation, reactive power adjustment/elimination/compensation, etc., can solve the problem of unsatisfactory data online display history query and printing functions, so as to improve power supply quality and reduce The effect of power supply voltage fluctuation and fast dynamic reactive power compensation

Inactive Publication Date: 2006-07-12
TIANJIN UNIVERSITY OF TECHNOLOGY
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Problems solved by technology

[0002] The capacitor reactive power compensation device can control the thyristor to switch the capacitor bank according to the reactive power of the load in the power distribution system and the grid voltage, and compensate the reactive power required by the load to improve the power factor, increase the output of the transformer, reduce the network loss, and increase the electric energy. The purpose of quality; at present, this kind of device is generally composed of a single-chip microcomputer, with high measurement accuracy, relatively complete functions, and improved automation, but the online display, monitoring, historical query and printing functions of data are still not ideal; in recent years, with the The function of the computer is becoming more and more powerful, and various human-machine interface software are emerging, which provides a visual monitoring screen for the operation of the capacitor

Method used

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  • Capacitor switching and monitoring system based on single chip microcomputer and configuration
  • Capacitor switching and monitoring system based on single chip microcomputer and configuration
  • Capacitor switching and monitoring system based on single chip microcomputer and configuration

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Embodiment

[0021] Embodiment: a kind of capacitor switching monitoring system (see Fig. 1) based on single-chip microcomputer and configuration, it is characterized in that it is made up of the configuration system as upper computer and the single-chip computer system as lower computer, and as the upper computer The configuration system and the single-chip microcomputer as the lower computer are connected through a serial port; the configuration system as the upper computer is composed of a real-time database and the configuration software core (see Figure 9); the single-chip computer system as the lower computer It is composed of an analog input part, an amplification filter circuit, an A / D conversion circuit, a microprocessor and a storage part, a power drive circuit, and a communication interface part; the said analog input part is externally connected to the secondary terminal of the current and voltage transformer , the analog output part is connected to the input end of the amplific...

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Abstract

The capacitor switch monitor system based on SCM and configuration comprises: an up machine of IPC to provide visual menu for online modifying system parameter and displaying running state, and a down machine with high-performance SCM chip as control kernel and high-resolution A / D converter to improves precise and speed for data treatment. This invention realizes automatic fast switch to a plurality of capacitors reduces network loss, and improves power quality.

Description

(1) Technical field: [0001] The invention belongs to the technical field of power system reactive power compensation control, in particular to a capacitor switching monitoring system based on single-chip microcomputer and configuration. (two) background technology: [0002] The capacitor reactive power compensation device can control the thyristor to switch the capacitor bank according to the reactive power of the load in the power distribution system and the grid voltage, and compensate the reactive power required by the load to improve the power factor, increase the output of the transformer, reduce the network loss, and increase the electric energy. The purpose of quality; at present, this kind of device is generally composed of a single-chip microcomputer, with high measurement accuracy, relatively complete functions, and improved automation, but the online display, monitoring, historical query and printing functions of data are still not ideal; in recent years, with the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/18
CPCY02E40/30
Inventor 李季周雪松马幼捷李超
Owner TIANJIN UNIVERSITY OF TECHNOLOGY
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