Bilateral control intelligent monitoring power distribution system

A technology of intelligent monitoring and power distribution system, applied in the field of power system, can solve the problems of inability to realize computer intelligent management, difficult control logic, inconvenient production, storage and maintenance, etc., to reduce the risk of use, ensure safety performance, and maximize flexibility Effect

Inactive Publication Date: 2014-08-20
STATE GRID CORP OF CHINA +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This kind of traditional switchgear needs to be equipped with a variety of analog pointer instruments and relays, which brings great inconvenience to production, storage, and maintenance, and it is mainly manual direct operation, which cannot realize computer intelligent management. It is more difficult, and generally only through the monitoring center, one-way monitoring and control

Method used

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  • Bilateral control intelligent monitoring power distribution system
  • Bilateral control intelligent monitoring power distribution system
  • Bilateral control intelligent monitoring power distribution system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] The main structural block diagram of this embodiment, as figure 1 As shown, including the monitoring host and the control center, the two are connected in parallel to the industrial Ethernet switch through the communication cable, and the industrial Ethernet switch is also connected in parallel to the man-machine interface, communication controller, communication gateway, man-machine interface, communication The relationship between the controller and the communication gateway is parallel connection. The intelligent power distribution system is the combined application of various intelligent switch cabinets and computer monitoring systems. It generally consists of several intelligent or non-intelligent low-voltage switch cabinets connected through a communication network. Mainly through the monitoring center and control center, remote control and monitoring are achieved through communication cables. Both the monitoring center and the control center are connected to the ...

Embodiment 2

[0022] This embodiment adds a protection function on the basis of Embodiment 1, such as figure 2 As shown, the man-machine interface is also connected with a microcomputer protection device through a shielded twisted pair. Users can independently perform feedback and adjustment through the human-machine interface, which is convenient for the operation of the power distribution system. It is equipped with a protective box and a temperature and humidity controller to protect users from possible risks during self-adjustment, and can avoid the user's use process. In the process, there are troubles caused by misoperation. : The microcomputer protection device includes chip single-chip microcomputer, high-precision current and voltage transformer, high dielectric strength export intermediate relay, and high-reliability switching power supply module. The microcomputer protection device has high integration, complete protection configuration, strong anti-interference ability, low pow...

Embodiment 3

[0024] In this embodiment, on the basis of the communication controller of the above embodiment, a power meter and a motor protector are connected through a five-category line, and an intelligent circuit breaker and a DC screen connected through an optical fiber are added on the basis of the communication gateway. Such as image 3 , Figure 4 . The intelligent circuit breaker is a universal intelligent circuit breaker, which is generally installed in the low-voltage power distribution cabinet and plays a general protection role in the main switch. A circuit breaker with a rated current of 1000A or below can also be used for the infrequent starting of the motor. The other parts of this embodiment are the same as those of the above embodiment and will not be repeated here.

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Abstract

The invention discloses a bilateral control intelligent monitoring power distribution system. The bilateral control intelligent monitoring power distribution system is characterized by comprising a monitoring host and a control center. The monitoring host and the control center are connected to an industrial Ethernet switch through a communication cable in parallel. The industrial Ethernet switch is connected with a human-machine interface, a communication controller and a communication gateway through a communication cable in parallel. The human-machine interface, the communication controller and the communication gateway are connected in parallel. The monitoring host and the control center are additionally arranged, the state of the power distribution system can be operated, monitored and controlled remotely, and adjustment can be made in time. By means of the additionally-arranged human-machine interface, a user can monitor and control the power distribution system used by the user, and the user can carry out selection flexibly to meet demands in different levels. The human-machine interface is further connected with a microprocessor protection device and a temperature and humidity controller, the using risk is reduced for the user, and the safety performance in the using process is guaranteed.

Description

technical field [0001] The invention relates to the field of power systems, in particular to a two-way control intelligent monitoring power distribution system. Background technique [0002] The supply of electricity plays a very important role in the normal progress of social production and work. The traditional low-voltage power distribution control method is mainly through circuit breakers, contactors, thermal relays, fuses, control relays, various main electrical appliances, transformers and various electrical instruments (ammeters, voltmeters, power meters, energy meters, etc.) ) combined into a low-voltage switch control cabinet to achieve power distribution, control, protection, monitoring and other functions. This kind of traditional switchgear needs to be equipped with a variety of analog pointer instruments and relays, which brings great inconvenience to production, storage, and maintenance, and it is mainly manual direct operation, which cannot realize computer i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J13/00
CPCY02B90/2638Y04S40/124Y02B90/20
Inventor 王洪王葵葵
Owner STATE GRID CORP OF CHINA
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