... vacuum cleaners, air conditioning, lighting, etc;2.Kitchen utensils series: microwave ovens, battery heaters, refrigerator, etc;3.Office space ... machines, air compressors, etc;5.Industrial equipments series: solar energy, wind power, gas discharge lamps, etc; PV grid-connected ... efficiency by using advanced IGBT and IPM MPPT(Maximum power point tracking) technology Transformer less, High efficiency In ...