Principles for construction the compensators of reactive power with voltage stabilization for transformer substations

Energy Management of Municipal Transportation Facilities and Transport - EMMFT 2017

Vlasayevsky, Stanislav^1 ; Klimash, Stepan^1 ; Klimash, Vladimir^2

Far Eastern State Transport University, Serysheva st, 46, Khabarovsk

680021, Russia^1

Komsomolsk-na-Amure State Technical University, Lenina st. 25, Komsomoslk on Amure

681000, Russia^2

关键词: Control windings;    Inverter control;    Parallel compensators;    Reactive power compensation;    Reactive power compensator;    Series compensator;    Simultaneous stabilization;    Voltage stabilization;   

Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/90/1/012043/pdf
DOI  :  10.1088/1755-1315/90/1/012043

来源: IOP

【 摘 要 】

Based on the booster transformer and the transistor converter with a DC link, a system is proposed for fast and accurate unloading the electric network from reactive power with simultaneous stabilization of voltage among consumers. The system contains a discrete stage of reactive power compensation and adjustable part. The adjustable part includes series and parallel reactive power compensators. The series compensator consists of a booster transformer, a voltage inverter and is designed to be switched on to the high voltage of the transformer substations. The parallel compensator consists of a rectifier with an input choke and is connected to the low voltage of the substation. The rectifier and inverter are connected by a DC link with an LC filter. The rectifier regulates the output voltage and the phase of the sinusoidal input current. The inverter regulates the magnitude and phase of the voltage on the control winding of the booster transformer. The rectifier and inverter control systems are synchronized with the network and with pulse width modulation.