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Intelligent protection control device for power distribution network transformer and protection method

A technology of intelligent protection and control devices, applied in the direction of emergency protection circuit devices, circuit devices, electrical components, etc., to achieve the effect of automatic power supply and power failure, and normal stability

Active Publication Date: 2015-02-25
PINGDINGSHAN POWER SUPPLY ELECTRIC POWER OF HENAN +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide an intelligent protection control device and protection method for distribution network transformers for intelligent management and control of distribution network transformers, to ensure the normal operation of contactors, transformers, and transformer switches, and to reduce the tedious labor of managing electricians

Method used

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  • Intelligent protection control device for power distribution network transformer and protection method
  • Intelligent protection control device for power distribution network transformer and protection method
  • Intelligent protection control device for power distribution network transformer and protection method

Examples

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Embodiment 1

[0018] Embodiment 1: as figure 1 , 2, 3, a distribution network transformer intelligent protection control device, including a transformer 1 and a number of contactors 3 correspondingly connected to the transformer output lines, the contactor 3 is connected with an intelligent control instrument 4, the intelligent control The instrument 4 has a housing, and a main control circuit board, a driving circuit, an LCD liquid crystal display and a control panel are arranged in the housing, and the main control circuit board is respectively connected with the driving circuit, the LCD liquid crystal display and the control panel through a signal transmission line. The signal input end of the main control circuit board is connected with a monitoring mechanism, the drive circuit is connected in series with the power line of the contactor coil, the side wall of the transformer is provided with a temperature sensor 2 connected to the intelligent control instrument, and the temperature ...

Embodiment 2

[0021] Embodiment 2: as figure 1 , 2 , 3, a distribution network transformer intelligent protection management and control equipment, including a transformer 1 and a number of contactors 3 correspondingly connected to the transformer output lines, the contactor 3 is connected with an intelligent control instrument 4, the intelligent control The instrument 4 has a housing, and a main control circuit board, a driving circuit, an LCD liquid crystal display and a control panel are arranged in the housing, and the main control circuit board is respectively connected with the driving circuit, the LCD liquid crystal display and the control panel through a signal transmission line. The signal input end of the main control circuit board is connected with a monitoring mechanism, the drive circuit is connected in series with the power line of the contactor coil, the side wall of the transformer is provided with a temperature sensor 2 connected to the intelligent control instrument, a...

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Abstract

The invention discloses an intelligent protection control device for a power distribution network transformer and a protection method. The device comprises the transformer and a plurality of contactors connected with output circuits of the transformer respectively and correspondingly. The contactors are connected with an intelligent control instrument. The side wall of the transformer is provided with a temperature sensor connected with the intelligent control instrument. The temperature sensor is connected with an automatic switching-out mechanism. The automatic switching-out mechanism comprises a circular arc rail, and the circular arc rail is arranged on a disconnecting link board and is concentric with a disconnecting link hinge shaft. A circular arc sliding rail is arranged in the rail. One end of the circular arc sliding rail is connected with a disconnecting link insulation rod. Teeth are evenly arranged on the inner side of the circular arc sliding rail. A driving motor is arranged on the disconnecting link board. A shaft of the driving motor is sleeved with a gear matched with the teeth on the inner side of the circular arc sliding rail. A through hole through which the gear makes contact with the teeth on the inner side of the circular arc sliding rail is formed in one side of the circular arc rail. The driving motor is connected with a programmable controller of the intelligent control instrument.

Description

technical field [0001] The invention relates to the technical field of distribution network transformer power monitoring intelligent management equipment, in particular to an intelligent protection control device and protection method for distribution network transformers. Background technique [0002] With the deepening of the reform of the power system, power companies have entered into market-oriented operations, and higher requirements have been put forward for the reliability of power supply, both in terms of economic benefits and high-quality services. The rural power grid is an important part of the entire power grid, responsible for the task of supplying power to the suburbs and the vast rural areas. With the continuous development of the rural economy, the demand for electricity for production and living is increasing. At the same time, industrial parks and economic development zones have successively settled in the suburbs and rural areas, which also promotes a sub...

Claims

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Application Information

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IPC IPC(8): H02J13/00H02H7/04H02H7/22
CPCY02B90/20Y04S20/14
Inventor 高自力殷红德牛宇干王明刘春雷郭保林王彪
Owner PINGDINGSHAN POWER SUPPLY ELECTRIC POWER OF HENAN
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