Wind power station dispatching fit type idle work operation method suitable for high voltage power grid

Abstract

The invention provides a wind power station dispatching fit type idle work operation method suitable for a high voltage power grid, which comprises adding an interface between power dispatching and a wind power station idle work control system, and enabling the voltage regulating requirement of power dispatching to be converted into an idle work control command of a wind power station, so that the wind power station participates in active voltage regulation on purpose, the randomness and aimlessness of the idle work operation of an existing wind power station, voltage fluctuation is effectively suppressed, and the voltage dispatching decision-making difficulties are reduced. The method is used for solving the problem of voltage regulating and control of a wind power station access point and adjacent power grid nodes during wind power station connection period of the high voltage power grid, improves the condition of lack of fit between existing wind power station idle work power operation and power grid voltage regulation, achieves the active voltage regulation of the wind power station based on practical power grid characteristics and operation requirements, and enables the power grid to accept more clean wind energy power generation. Simultaneously, the method is simple in principle, easy to operate, small in investment, not high in achieving difficulty and capable of being effectively popularized.

Description

technical field [0001] The invention relates to a reactive power operation method of an electric power system, in particular to a reactive power operation and control method of a wind farm suitable for high-voltage grid connection. Background technique [0002] With the deepening of smart grid construction, distributed power generation is gradually replacing the original power generation methods such as small thermal power and diesel engines, and is expected to replace some traditional thermal power and hydropower generation. One of the trends of distributed power generation in my country is from the original small-capacity low-voltage level grid connection to the large-scale high-voltage level grid connection. At the same time, the site selection of distributed power generation is gradually developing from inland to offshore and even deep sea areas. In my country, offshore wind power has become one of the key points for the further development of distributed power generati...

AI Technical Summary

Problems solved by technology

It can be seen that my country's national standard regulations are slightly loose, and the flexibility of wind farm operation is high, but at the same time, it also makes the reactive power output of wind farms very uncertain and purposeless, which cannot affect the reactive power and voltage operation of the grid. Play a purposeful supporting role, and at the same time increase the difficulty of grid voltage dispatching decisions

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