Adjustable impedance type distributed photovoltaic power generation cluster resonance suppression system and suppression method

• Main Authors: YU HANG, LI PENG, WANG CUNPING, FU QIANG, XIA MAN, HUANG RENLE, SUN JIAN, CHANG QIANKUN
• Format: Patent
• Language: Chinese; English
• Published: 07.12.2016
• Subjects: CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; GENERATION; SYSTEMS FOR STORING ELECTRIC ENERGY

The invention discloses an adjustable impedance type distributed photovoltaic power generation cluster resonance suppression system and a suppression method. The system comprises a central control unit, a resonance suppression unit and a reactive power regulation unit, wherein the central control unit, the resonance suppression unit, the reactive power regulation unit and a distributed photovoltaic power generation cluster are connected to a common connecting point in parallel through system buses, and the central control unit, the resonance suppression unit and the reactive power regulation unit are connected into a power distribution network together with the distributed photovoltaic power generation cluster through a power distribution network line equivalent inductor Lg. The signal output end of the reactive power regulation unit is connected with the signal input end of the central control unit, the signal input end of the reactive power regulation unit is connected with the signal output end of the cent