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An Electronic Regulator Model for Water Turbine Regulating System

An electronic regulator and regulation system technology, applied in the direction of electrical components, circuit devices, AC network circuits, etc., can solve the problems that the control logic is not comprehensive enough, affects the accuracy of power system stability calculation simulation, and cannot reflect the control logic. The meaning of the parameters is clear, it is convenient to obtain the field test, and the modeling process is efficient.

Active Publication Date: 2021-09-21
CHINA ELECTRIC POWER RES INST +4
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the structure of the model has power mode and opening mode, the control logic is not comprehensive enough to reflect the control logic of the current large-scale hydraulic turbine electronic regulator, which affects the simulation accuracy of power system stability calculation

Method used

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  • An Electronic Regulator Model for Water Turbine Regulating System
  • An Electronic Regulator Model for Water Turbine Regulating System
  • An Electronic Regulator Model for Water Turbine Regulating System

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Embodiment Construction

[0074] Next, the technical solutions in the embodiments of the present invention will be apparent from the embodiment of the present invention, and it is clearly described, and it is understood that the described embodiments are merely embodiments of the present invention, not all of the embodiments. Based on embodiments of the present invention, those of ordinary skill in the art will belong to the scope of the present invention without making creative labor premises.

[0075] like Figure 4 As shown, the present invention provides an electronic regulator model for a turbine adjustment system, an electronic regulator model for a turbine adjustment system for power system stability analysis; electronic regulator model includes a large network control system and an isolated network control system;

[0076] The PID adjustment module is provided in the big network control system; the large network control system automatically switches with the solitary network control system based on ...

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Abstract

The invention provides an electronic regulator model for a hydraulic turbine regulating system, which has an opening control mode, a power control mode and an isolated grid control mode; the opening control mode or the power control mode can be manually selected as the normal grid-connected unit according to needs. control mode. The opening control mode or power control mode can be automatically switched with the isolated grid control mode. The power control mode has two sets of PID control parameters, which can be switched automatically. The electronic regulator model proposed by the present invention has clear structure, strong versatility, clear meaning of model parameters, easy to obtain through on-site measurement, efficient modeling process, high precision, can accurately simulate actual control functions, and can meet actual engineering needs; at the same time, it improves The generality of the model application; its control parameters have clear meanings, are easy to obtain through field tests, and have practical engineering application value; provide a reliable and accurate basis for power system stability analysis and calculation, thereby ensuring the stability of the power system.

Description

Technical field [0001] The present invention relates to the field of power system modeling techniques, and more particularly to an electronic regulator model for a turbine adjustment system. Background technique [0002] The power system stability is the power system under a given operating conditions, and after being disturbed, the ability to recover to the balanced state. Most variables in the system can be maintained at a certain range, so that the entire system can operate stably. According to the difference in nature, the stability of power system can be divided into three categories of toroidal stability, voltage stability and frequency stability. When analyzing the calorie stability, it can be further divided into the following categories: static stability, transient stability, dynamic stability and voltage stability. The power transmission capacity of long-range transmission lines is limited by the restrictions of these four stable capabilities. It is neither equal to or ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J3/00
CPCH02J3/00H02J3/002H02J2203/20
Inventor 艾东平王官宏于大海李志强何凤军任岩何可智张新华常喜强王衡郭小龙于永军齐晓笑刘大贵
Owner CHINA ELECTRIC POWER RES INST
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