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A demarcation switch protection system based on the combination of plc and fault indicator

A fault indicator and demarcation switch technology, applied in the field of smart grid, can solve problems such as the inability to realize intelligent control of power distribution, affect the production efficiency of power-consuming enterprises, and restrict the development of smart grid, so as to achieve timely and accurate fault information and location services, The effect of convenient peripheral networking and good expansion space

Active Publication Date: 2019-03-15
SKILL TRAINING CENT STATE GRID JIBEI ELECTRONICS POWER COMPANY +1
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AI Technical Summary

Problems solved by technology

The coverage rate of the current smart grid is low, and there are many places where the intelligent control of power distribution cannot be realized due to various factors, which seriously restricts the development of the smart grid and seriously affects the production of power-consuming enterprises at the lower end of the power supply line. efficiency, and even bring greater economic losses to downstream enterprises

Method used

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  • A demarcation switch protection system based on the combination of plc and fault indicator
  • A demarcation switch protection system based on the combination of plc and fault indicator
  • A demarcation switch protection system based on the combination of plc and fault indicator

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Embodiment Construction

[0021] The implementation of the present invention will be described in further detail below in conjunction with the accompanying drawings. The following embodiments are only descriptive, not restrictive, and cannot limit the protection scope of the present invention.

[0022] A boundary switch protection system based on the combination of PLC and fault indicator, composed of PLC, fault indicator, GPRS module, combined with a complete set of high-voltage power distribution equipment, to form an intelligent boundary switch device with logical judgment function, the system and external equipment and The relationship between the control devices inside is as attached figure 1 As shown, the topology of the present invention is as attached figure 2 As shown, the primary system diagram is attached image 3 shown.

[0023] The PT cabinet of the present invention is equipped with a UPS uninterruptible power supply, and its power supply comes from the voltage transformer of the volta...

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Abstract

The invention relates to a boundary switch protection system based on combination of a PLC and a fault indicator. The boundary switch protection system consists of a PLC, a fault indicator and a GPRS module. A set of high voltage power distribution equipment is combined to form intelligent boundary switch equipment having a logic judgment function. A PT (potential transformer) cabinet is provided with a UPS (uninterruptible power supply) therein, and the power supply comes from a PT in the PT cabinet for voltage detection. The PT transforms a primary voltage to supply to the UPS, and the UPS then transmits the electric energy.

Description

technical field [0001] The invention belongs to the field of smart grids, in particular to a boundary switch protection system based on the combination of PLC and fault indicators. Background technique [0002] Smart grid is currently a hot spot in the global power industry, leading the future development direction of the power grid, involving the entire energy conversion and transmission chain from power generation to users. The smart distribution network system uses modern electronic technology, communication technology, computer and network technology. Integrate distribution network online data and offline data, distribution network data and user data, power grid structure and geographic graphics to realize monitoring, protection, control, power consumption and distribution management of power distribution system in normal operation and in case of accidents of intelligence. [0003] my country's smart grid is still in its infancy. At present, the domestic urban distribut...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02H7/26H02H3/06
CPCH02H3/066H02H7/26H02H7/262
Inventor 王亚青张军涛褚林涛吴丽许红兵
Owner SKILL TRAINING CENT STATE GRID JIBEI ELECTRONICS POWER COMPANY
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