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A Generator PSS Model Checking System

A generator and calibration technology, applied in the field of electric power, can solve problems such as inaccurate judgment and long calculation time

Active Publication Date: 2020-11-06
ELECTRIC POWER RESEARCH INSTITUTE, CHINA SOUTHERN POWER GRID CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the above scheme requires two complete simulation calculations for the large power grid, resulting in a long calculation time, and the influence of whether a single generator has PSS on the large power grid is very small, and the results of simulation calculations cannot accurately determine the Is the PSS valid?

Method used

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  • A Generator PSS Model Checking System
  • A Generator PSS Model Checking System

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Embodiment Construction

[0026] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0027] Such as figure 1 As shown, the present invention provides a generator PSS model verification system, including: power grid data input module 1, verification data generation module 2, execution calculation module 3, verification result processing module 4;

[0028] One end of the grid data input module 1 is electrically connected to one end of the verification data generation module 2, and the other end of the verification data generation module 2 is electrically connected to one end of the execution calculation module 3, and the execution calculation module The other end of 3 is electrically connected to one end of the verification result processing module 4;

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Abstract

The invention relates to the technical field of electric power, and discloses a generator PSS model checking system. The system comprises a power network data input module, a checking data generationmodule, an execution calculation module and a checking result processing module. One end of the grid data input module is connected with the grid, the other end of the grid data input module is electrically connected with one end of the verification data generation module, the other end of the verification data generation module is electrically connected with one end of the execution calculation module, and the other end of the execution calculation module is electrically connected with one end of the verification result processing module. The single-machine infinite-bus test system constructed on the basis of the checking data generation module carries out simulation comparison on the designated generator with and without PSS, the simulation calculation amount is small, and the influenceof the designated generator with and without PSS on the step response of the excitation reference voltage can be obviously reflected in the single-machine system.

Description

technical field [0001] The invention relates to the field of electric power technology, in particular to a generator PSS model checking system. Background technique [0002] Generator PSS (Power System Stabilizer, Power System Stabilizer) is an additional excitation control technology researched to suppress low-frequency oscillations. It introduces an additional signal ahead of the shaft speed in the excitation voltage regulator to generate a positive damping torque, thereby overcoming the effect of negative damping torque generated in the original excitation voltage regulator. Therefore, PSS plays an important role in improving the damping of the power system, solving the problem of low-frequency oscillation, and improving the dynamic stability of the power system. [0003] The model parameter verification of the generator PSS refers to the step simulation of the excitation reference voltage of the specified generator with and without PSS, and the oscillation frequency and...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J3/24H02P9/36
CPCH02J3/24H02J2203/20H02P9/36
Inventor 赵利刚刘蔚王长香杨诚周挺辉甄鸿越黄冠标
Owner ELECTRIC POWER RESEARCH INSTITUTE, CHINA SOUTHERN POWER GRID CO LTD
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