Method of Centralized Monitoring of Reactive Power and Voltage State of the Whole Network Using Automatic Voltage Control System

A control system and automatic voltage technology, applied in reactive power compensation, AC network voltage adjustment, reactive power adjustment/elimination/compensation, etc., can solve the problem that the control strategy does not adapt to the operating conditions, exceeds the adjustment ability of the control system, and has many operating data Problems such as over-limits, to reduce line reactive power transmission, improve control level, and ensure qualified results

Active Publication Date: 2021-04-16
SHANGHAI MUNICIPAL ELECTRIC POWER CO
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Problems solved by technology

[0010] 2. Under normal working conditions, the operating data exceeds the limit many times: there are two main reasons for the operating data exceeding the limit. One is that the operating condition exceeds the adjustment ability of the control system, and the other is that the control strategy does not adapt to the specific operating conditions.

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  • Method of Centralized Monitoring of Reactive Power and Voltage State of the Whole Network Using Automatic Voltage Control System
  • Method of Centralized Monitoring of Reactive Power and Voltage State of the Whole Network Using Automatic Voltage Control System
  • Method of Centralized Monitoring of Reactive Power and Voltage State of the Whole Network Using Automatic Voltage Control System

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[0031] The present invention will be further described below in conjunction with the accompanying drawings.

[0032] The technical solution of the present invention provides a method for centralized monitoring of the reactive power and voltage state of the whole network by using an automatic voltage control system. The invention lies in:

[0033] 1. Strengthen centralized monitoring and make abnormal records

[0034] Strengthen the monitoring and recording of the problems that arise in the operation of the AVC system, and require each dispatcher to timely reset the alarm lockout signal of the AVC system and record the station, time, lockout information, processing method and closed-loop situation of the alarm lockout corresponding records. The out-of-limit information found during operation should also be dealt with in a timely manner, and corresponding records should be made. When the shift is handed over, each dispatcher must include the AVC operation status of the day in ...

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Abstract

The invention relates to a method for centralized monitoring of the reactive voltage state of the whole network by adopting an automatic voltage control system, which belongs to the field of power grid dispatching management and control. It incorporates the alarm blocking signal of the AVC system and the over-limit information found during operation into the closed-loop processing system, analyzes the concentrated and outstanding problems, finds out the abnormal causes and solutions, continuously improves the abnormal processing process, and formulates a detailed and complete processing flow. It improves the operating efficiency of the AVC system, further improves the control level of voltage and reactive power, ensures the safe and stable operation of the power grid, and ensures that the relevant node voltage and power factor are qualified, minimizes the reactive power transmission of the line, and reduces the power grid. Active power loss due to unnecessary reactive power flow. It can be widely used in the field of power grid dispatching control.

Description

technical field [0001] The invention belongs to the field of power grid dispatching management and control, and in particular relates to a method for centralized monitoring of the reactive voltage state of the whole network by using an automatic voltage control system. Background technique [0002] The automatic voltage control system of the power grid (Automatic Voltage Control, referred to as AVC) realizes the optimal control of voltage and reactive power compensation equipment through online analysis and calculation of data such as telemetry and signal of each node in the power system, so that the voltage pass rate, reactive power The control quantities such as power transmission and power factor meet the boundary conditions, improve the operation of the power system, reduce line losses, and improve the stability and economy of the power system. [0003] The main function of the grid automatic voltage control system (AVC) is to ensure that the voltage and gate power facto...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J3/16H02J3/18
CPCH02J3/16H02J3/18Y02E40/30
Inventor 孙歌沈凌徐焰姚璟杰陈志亮高凯赵彬刘俊陈辰孙迪
Owner SHANGHAI MUNICIPAL ELECTRIC POWER CO
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