... phase current unbalance BBW- /3.3(1.2,0.66,0.4) Mining explosion-proof reactive power compensation ... to load reactive current, harmonic current automatic, fast, no level of reactive power compensation, stable bus ... voltage.2. Real-time display system power factor, ... Voltage 3.3kv/1.2kv/0.66kv 0.4kvRated Capacity 50kvar-2000kvarcompensated power factor to ...