Based on theoretical computation

RTDS simulation and tests

the phenomena of fuse multi-explosions of fuses and damages of a mass of capacitors in 66kV shunt reactive compensation capacitor bank are researched and analyzed in this paper.During this period another new kind of over-current（fault inrush current） and over-voltage（fault over-voltage） phenomenon was found in shunt capacitor bank.It was determined that the fault inrush current caused the multi-explosion fault of fuse and the fault over-voltage caused the damages of a mass of capacitors.For preventing this fault

it is suggested that the external fuses should be removed from the capacitor and shunt capacitors would be directly linked to the bus bar.