The article studies the operation of modular reactive power compensators at the Mirnovskaya and Presnovodnenskaya wind farms. For this purpose, measurements of active and reactive power for short periods of time are given: several hours for the Mirnovskaya wind farm and per day for the Presnovodnenskaya wind farm, as well as values for each month for one year. Reactive power fluctuations when using reactive power compensators can be very insignificant, mainly due to the switching time, and the efficiency is justified by increasing the power factors to values close to unity. Subject: wind farms. All wind farms both generate active power, which is a function of wind speed, and consume reactive power. Both of these processes can be observed at the same time and there is a problem related to a decrease in the power factor. Capacitor batteries located in control cabinets are often not enough to solve it. Materials and methods: analytical and experimental methods were used. Measurements were carried out at the Mirnovskaya and Presnovodnenskaya wind farms.. Results: It has been established that the use of modular reactive power compensators at wind farms makes it possible to almost completely compensate for the consumption of reactive power. Conclusions: Studies have shown that wind farms need to install additional compensating devices to increase the power factor to values close to unity, and almost completely cover the need for reactive power both in modes close to nominal and in the absence of wind.
reactive power compensator; wind farm; oscillogram; wind power module; transformer substation
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