1.communcation 2.microprocessor-based 3.over-current 4.three phase current unbalance BBW- /3.3(1.2,0.66,0.4) Mining explosion-proof reactive power compensation devicePurpose It is a typical flexible AC transmission devices, mainly through the continuous adjustment of its own reactive power compensation for the user to achieve reactive flower on the bus.Through the use of SVC, can increase the ...