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A frequency safety emergency coordinated optimal control method integrating multiple measures

A technique for coordinating optimization and control methods, applied in the direction of reducing/preventing power oscillations, etc.

Active Publication Date: 2018-12-21
NARI TECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the above technical problems, the present invention provides a frequency security emergency coordination optimization control method that integrates multiple measures, solves the problem of coordination and cooperation of multiple types of measures, and adapts to the hierarchical and lean modern power grid frequency control requirements

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  • A frequency safety emergency coordinated optimal control method integrating multiple measures
  • A frequency safety emergency coordinated optimal control method integrating multiple measures
  • A frequency safety emergency coordinated optimal control method integrating multiple measures

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Embodiment Construction

[0038] The present invention will be further described below in conjunction with the accompanying drawings. The following examples are only used to illustrate the technical solution of the present invention more clearly, but not to limit the protection scope of the present invention.

[0039] like figure 1 As shown, the frequency safety emergency coordination optimization control method of the comprehensive multi-type measures of the present invention comprises the following steps:

[0040] Step 1. Input grid information, which includes grid operation mode information, electromechanical transient simulation data, expected faults, frequency safety binary table, transient and steady-state frequency safety boundaries, and information on candidate safety and stability control measures. specific,

[0041] The frequency safety binary table is the information describing the frequency safety requirements of the transient process. It is a binary table composed of a given frequency de...

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Abstract

The invention discloses a frequency safety emergency coordination and optimization control method integrating multiple measures, comprising: (1) inputting power network information, including power network operation mode information, electromechanical transient simulation data, predicted fault, frequency safety binary table, transient and steady frequency safety boundary and candidate safety and stability control measure information; (2) establishing priority control schemes for different types of control measures; (3) according to the unbalanced power quantity caused by the anticipated fault,selecting the priority control scheme of different control measures after the accident; (4) sorting the control measures of the same priority from high to low according to the effect sensitivity index of improving the system frequency margin; (5) obtaining a preliminary control strategy under the anticipated fault by calculation; and (6) optimizing the control cost of the initial strategy to formthe final control strategy. The invention solves the problem of coordination and cooperation of multi-type measures, and meets the requirements of hierarchical and lean modern power network frequencycontrol.

Description

technical field [0001] The invention relates to a frequency safety emergency coordination and optimization control method integrating multiple types of measures, belonging to the technical field of power system automation. Background technique [0002] The power grid frequency is not only related to the safe and stable operation of the system, but also one of the important indicators to measure the power quality. Today, frequency security has received more attention. On the one hand, in the face of the new trend of changes in power supply structure and power grid structure, frequency security issues are facing more severe challenges. The increase in the proportion of new energy power generation makes it more difficult to flexibly regulate frequency The expansion of UHVDC trans-regional power transmission scale has worsened the severity of frequency safety problems; on the other hand, some electrical equipment has put forward stricter requirements on power supply quality incl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/24
CPCH02J3/24
Inventor 常海军牛拴保刘福锁柯贤波李威霍超石渠魏平王超
Owner NARI TECH CO LTD