Reactive currents backstreaming from Solar to Utility
Reactive currents backstreaming(from Solar plant) in power supply system is not only harmful but also expensive for financial purposes. Parasite currents in both electricity transmission lines and equipment of solar power-stations cause financial losses because of converting electric energy to thermal (thus making generation amount lower, that decreases profits of a solar power-station proprietor) and increase equipment deterioration (decreasing non-failure operating time and increasing maintenance budget).
In addition, reactive energy generation into a national grid results in penalty charges, which means direct financial losses. So adjusting and compensation of reactive power is an obvious method to increase profitability of a power-station.
Reactive-power management is an integral part of control process related to voltage level in any electrical power system. When load is small, system generates reactive-power, that should be absorbed. At the same time at large loads it consumes plenty of reactive energy that needs to be produced.
YTPQC-SVG Static Var Generator
YTPQC Static var generator (SVG) is used in solar power plants to improve the power quality and stability of the electrical grid. YTPQC SVG helps to regulate the voltage and power factor of the solar power plant's output, ensuring that it is consistent and reliable. This is important as the output of solar power plants can fluctuate due to changes in weather conditions, such as cloud cover. YTPQC SVG helps to mitigate these fluctuations and improve the overall performance of the solar power plant.
YTPQC-SVG Static Var Generator detects load current in real time through internal and external CT and analyzes the reactive current of load by DSP and FPGA, then generates PWM signal to IGBT inverter(3 Level) to generate inductive or capacitive current and compensate reactive current to realize the target power factor. YTPQC SVG can also compensate phase imbalance.
For Static Var Generator can both compensate(generator) inductive and capacitive power, YTPQC-SVG can perfect to solve the problem of Reactive currents backstreaming from Solar to Utility
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