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The high voltage inverter is a voltage source type and high structure inverter, which uses the unit series mode, and produces a perfect sine wave by using the principle of phase shift superposition, which directly outputs the voltage of 0, and does not need any output boost device, and it can drive the ordinary motor directly.
NC HVVF high voltage inverter air cooling type (10kV, 12500kVA), 10kV (25000kVA) have been certified by the type test of the national authority.
The equipment can be widely used in the following industries:
Thermal power generation: boiler feed water pump, primary fan, two fan, induced draft fan, circulating water pump of heating network, condensate pump, ball mill and so on.
Petro Petrochemical: fans, circulating pumps, turbines, pipeline pumps, piping compressors, oilfield water injection pumps, electric submersible pumps, etc.
Metallurgy: blast furnace blower, sintering main exhaust fan, phosphorus removal pump, dust removal fan, circulating water pump, slurry pump, scale removal pump and so on.
Municipal water supply: water intake pump, water supply pump, pressurized pump, etc.
Sewage treatment: fan, sewage pump, purification pump, clean water pump, etc.
Cement manufacturing: kiln tail fan, kiln head fan, cement mill, high temperature fan, raw material grinding fan, coal mill fan, rotary kiln main drive motor, raw material grinding mill, etc.
Mining: main fan fan, main drainage pump, gas drainage pump, compressor, main auxiliary shaft hoist, belt conveyor and so on.
Others: papermaking, pharmaceutical and wind tunnel test platform, motor test platform and so on.
Mining: main fan fan, main drainage pump, gas drainage pump, compressor, main auxiliary shaft hoist, belt conveyor and so on.Others: papermaking, pharmaceutical and wind tunnel test platform, motor test platform and so on.
Shanghai Electric Power Electronics Co., Ltd.
NC HVVF series high-voltage variable frequency speed regulating device adopts unit series multilevel technology, which belongs to direct voltage source type variable frequency speed regulation device, direct high voltage input, direct high voltage output, and no output transformer. The frequency conversion speed regulation device is mainly composed of phase shifting transformer, power unit and controller.