An automatic analysis system for wind farm reactive power regulation capability based on wams dynamic data

Abstract

The invention discloses an automatic analysis system for the wind power plant reactive power regulation capacity based on WAMS dynamic data. The system comprises a real-time monitor module, an evaluation and examination module, a safety pre-warning module and an accident analysis module. The real-time monitor module monitors changes between active power and reactive power of wind power equipment in real time. The evaluation and examination module counts the three-phase current unbalance degree, operation conditions and dynamic reactive power response capacity of a reactive compensation device, counts voltage deviation, variation in voltage, the three-phase voltage unbalance degree, frequency and active power changes, and counts the reactive power supporting capacity when in high-low voltage ride-through and low voltage ride-through of a wind turbine generator. The safety pre-warning module analyzes the voltage stability index and high-low voltage ride-through events. The accident analysis module analyzes the active power recovery situation of offline events. According to the technical scheme, the automatic analysis system is used for achieving the purpose of estimating reactive power regulation operation capacity in an intelligent power grid dispatching technical support system, and an assisting tool and a convenience means are provided for power grid dispatching operation personnel to locate draught fan offline reasons rapidly.

Description

Technical field [0001] The invention belongs to the field of power system dynamic monitoring, and specifically relates to an automatic analysis system for the reactive power adjustment capability of a wind farm based on WAMS dynamic data. Background technique [0002] In recent years, with the development of new energy, wind power, as a renewable energy and clean resource, has achieved unprecedented development in China. Wind power operation has the characteristics of randomness, intermittentness, simultaneity, and anti-peak regulation. With the rapid increase of installed operating capacity of wind power and the continuous expansion of the proportion of power supply, the forms of grid peak regulation, frequency regulation and voltage regulation are becoming increasingly severe, which is safe for the grid. The impact of stable operation is becoming more and more obvious. There have been many accidents in which wind turbines have been disconnected from the grid due to voltage flu...

AI Technical Summary

Problems solved by technology

This analysis method cannot visually display the analysis results of the reactive power regulation capability of the wind farm, and it is also one-sided.

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