... .Industrial equipments series: solar energy, wind power, gas discharge lamps, etc; PV grid-connected inverter 1-100kw (single or three phase, AC110 ... of grid-type is not to worry any power waste, because by connecting inverter to grid, it can save any surplus electricity ... suitable for critical grid environmentUse sample :Certificates: Other product: solar power inverter 1kw ,2kw ,3kw ,4kw