Protection device used for power transmission and distribution circuit

A technology of power transmission and transformation lines and protection devices, which is applied in the direction of emergency protection circuit devices, electrical components, fault locations, etc., can solve problems such as complex structures, cumbersome lines, and high maintenance costs, so as to reduce labor intensity, reduce risks, and simplify laying cost effect

Inactive Publication Date: 2017-09-19
HEFEI SHANGQIANG ELECTRIC TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing remote protection devices often have complex structures, cumbersome wiring and high maintenance costs.

Method used

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  • Protection device used for power transmission and distribution circuit
  • Protection device used for power transmission and distribution circuit

Examples

Experimental program
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Embodiment Construction

[0027] The present invention will be further described below in conjunction with embodiment.

[0028] A protection device for power transmission and transformation lines, such as the attached figure 1 As shown, it includes a control unit, a communication service unit and a line protection unit, and the control unit includes a signal receiving server, a controller extension and a remote console;

[0029] The communication service unit includes a signal transmitter and a signal transmission station; the signal transmitter is used for transmitting signals, and the signal transmission station is used for transmitting signals; the line protection unit includes a measurement circuit module, a protection circuit, a switch and a video acquisition device; the measurement circuit module is used for Measure the current, voltage, resistance and other items in the power transmission and transformation lines; the protection circuit includes overcurrent protection, overvoltage protection, ov...

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PUM

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Abstract

The invention provides a protection device used for a power transmission and distribution circuit. The protection device comprises a control unit, a communication service unit and a circuit protection unit and is characterized in that the control unit comprises a signal receiving server, a controller branch and a remote control bench; the communication service unit comprises a signal emitter and a signal transmission station; the circuit protection unit comprises a measurement circuit module, a protection loop, a switch and a video acquisition device; the control unit, the communication service unit and the circuit protection unit are in signal connection with each other; the signal receiving server, the controller branch and the remote control bench are in signal connection with each other; the signal emitter is in signal connection with the signal transmission station; and the measurement circuit module, the protection loop, the switch and the video acquisition device are electrically connected with each other. According to the invention, by setting various protection devices, all kinds of faults can be timely found; by remotely monitoring and protecting the power transmission and distribution circuit, labor intensity of daily maintenance is reduced; and the risk can be found in advance conveniently and reduced.

Description

technical field [0001] The invention relates to the technical field of power transmission and transformation line protection, in particular to a protection device for power transmission and transformation lines. Background technique [0002] The transmission of current often leads to loss due to the heat of the line, so the voltage is increased through transformers during transmission, so that the current becomes smaller to reduce heat loss. High-voltage electricity is very dangerous, and the target electrical appliances do not need such a high voltage, so it is necessary to reduce the voltage through power transformation. Since multiple power transformations are required in the process of current transmission, the transmission of current is called power transmission and transformation. [0003] Power transmission and transformation is the transmission of power from the power plant to the grid. It increases the low voltage (such as 500,000 volts) for remote transmission. Th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02H7/26G01R31/08
CPCH02H7/26G01R31/085
Inventor 程劲松
Owner HEFEI SHANGQIANG ELECTRIC TECH CO LTD
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