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Intelligent automatic voltage control system

An automatic voltage and control system technology, applied in system integration technology, information technology support system, AC network voltage adjustment and other directions, can solve the problem of not realizing the whole network reactive power optimization and other problems, achieve significant direct and indirect economic benefits, improve safety The effect of stabilizing the operation level, ensuring safe operation and power supply reliability

Inactive Publication Date: 2012-07-04
NANJING VOCATIONAL UNIV OF IND TECH
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Problems solved by technology

[0003] The traditional AVC 1st generation and AVC 2nd generation only aim at qualified voltage quality, and have not realized the reactive power optimization of the whole network in the true sense.

Method used

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Embodiment Construction

[0026] A kind of intelligent automatic voltage control system of the present invention, see figure 1 , the system includes maintenance workstation 1, ground survey control workstation 2, calculation server 3, monitoring workstation 4 and Web server 5, ground survey control workstation 2 is connected with SCADA server 6 and collects main network data in real time; maintenance workstation 1 through man-machine interface Complete operation and maintenance records; calculation server 3 obtains a complete regional power grid model from the power grid EMS system, and calculates reactive power and voltage for the entire regional power grid to generate control strategies; monitoring workstation 4 provides system operation status query, log query and operation control ; The Web server 5 publishes the calculation data and reports of the calculation server 3 through the forward isolation device.

[0027] The system is provided with a standby computing server 31, and the computing server ...

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Abstract

The invention discloses an intelligent automatic voltage control system. The intelligent automatic voltage control system comprises a maintenance workstation, a geological survey control workstation, a calculation server, a monitoring workstation and a Web server, wherein the geological survey control workstation is connected with a supervisory control and data acquisition (SCADA) server and acquires main network data in a real-time manner; the maintenance workstation implements operation maintenance recording through a human-computer interface; the calculation server acquires an integrated regional power grid model from a power grid enhanced message service (EMS) system, performs reactive voltage calculation on the whole regional power grid and generates a control strategy; the monitoring workstation provides operating status query, log query and operation query of the system; and the Web server publishes calculation data and reports of the calculation server through a positive isolation device. The control system aims to enable three indexes of voltage quality, line loss and voltage stability margin of the power grid to reach the best status, so that operation safety and power supply reliability of the power system are guaranteed and direct and indirect economic benefits are remarkable.

Description

technical field [0001] The invention relates to a power grid control system, in particular to an intelligent automatic voltage control system whose goal is to control the three indicators of the power grid voltage quality, line loss and voltage stability margin to reach the best state at the same time. Background technique [0002] my country's smart grid is a strong grid with UHV grid as the backbone grid and coordinated development of grids at all levels. It strives to realize informatization, automation, digitalization, and interaction in grid technology. Further achieve the goals of cleanliness, efficiency, economy, environmental protection and interaction. Therefore, smart AVC is an indispensable and important part of my country's smart grid construction. In addition to the basic characteristics of the smart grid, smart AVC also has the characteristics of reactive power optimization: automatically realize the reactive power optimization operation of the power grid. All...

Claims

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Application Information

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IPC IPC(8): H02J3/16H02J13/00
CPCY04S10/22Y04S10/40Y02E60/726Y04S10/24Y02E40/34Y02E60/7869Y04S40/128Y02E40/74Y02E40/30Y02E40/70Y02E60/00Y04S10/00
Inventor 许慧中
Owner NANJING VOCATIONAL UNIV OF IND TECH
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