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Electric power system protection and control system and distributed control system

A power system protection and control system technology, applied in general control systems, test/monitoring control systems, power network operating system integration, etc., can solve problems such as power system protection and control can not be carried out stably

Inactive Publication Date: 2009-04-15
KK TOSHIBA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the fourth problem that exists is that the protection and control of the power system cannot be carried out stably

Method used

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  • Electric power system protection and control system and distributed control system
  • Electric power system protection and control system and distributed control system
  • Electric power system protection and control system and distributed control system

Examples

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Embodiment Construction

[0131] Embodiments of the present invention will now be described with reference to the drawings, wherein corresponding parts are designated by the same reference numerals.

[0132] figure 1 It is the structure of the power system protection and control system according to the first embodiment of the present invention. exist figure 1 Among them, 10 is a digital protection controller, which is used to protect and control the power system 1 through the state quantity S1 from the power system 1 to be protected and controlled and output the protection and control output C1 to the power system 1, which includes the program A module receiving means 11a, an executing means 12a, and an execution result and program module returning / delivering means 13a.

[0133] In addition, the display controller 20 remotely controls a plurality of protection controllers including the digital protection controller 10 and another digital protection controller of the same structure through the commu...

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Abstract

An electric power system protection and control system including a plurality of protection controllers, each for executing protection and control of an electric power system by inputting a status quantity of the electric power system and for converting the status quantity into digital data, and a display controller connected to each of the protection controllers via a communication network, for displaying and controlling an operation and status of each of the protection controllers for monitoring. Each of the protection controllers includes a core area not directly connected to the communication network for executing the protection and control of the electric power system, and a web area for sending and receiving a program module to and from the display controller and another one of the protection controllers or sending an information in the core area to the program module via the communication network, respectively.

Description

[0001] This application is a divisional application of the Chinese patent application with the application number 97120864.6, the application date is December 3, 1997, and the invention title is "power system protection and control system and distributed control system". technical field [0002] The invention relates to a power system protection and control system, which is combined with a digital protection controller such as a digital relay to protect and control the power system by inputting the state quantity of the power system and converting it into digital data, and relates to a display controller , for displaying and controlling the state of a digital protection controller and monitoring its operation through a communication network, and also relates to a distributed control system. Background technique [0003] Digital protection controllers such as digital relays have been widely used in the field of power systems, and in recent years, their functions have been grea...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/042G05B19/418H02J13/00
CPCY04S10/30Y02E60/7869H02J13/0086Y04S40/128H02J13/001G05B2219/24048Y04S10/40Y02B70/3241G05B2219/25232G05B19/0421Y04S20/227Y02E60/74H02J13/00001H02J13/00002H02J13/00028H02J13/00034Y02E60/00Y04S20/00Y02B90/20H02J13/00024G05B23/0205Y02B70/30Y04S20/20
Inventor 关口胜彦增井三千雄
Owner KK TOSHIBA
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