High voltage frequency converter

High voltage frequnency converter

High voltage frequency converter

Product Introduction:

The frequency converter takes high-speed DSP as the control core, adopts space voltage vector control technology and power unit series multi-level technology.With high reliability,easy operation and high performance as the design goals,it can meet the needs of users for various types of load speed regulation,energy saving and production process improvement .

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product details

Application fields

u Power generation fields

Water given pump, Condensate pump, Circulating pump, Booster fan, Compressor, Induced draft fan, Vacuum fan

u Petroleum fields

Air compressor, Induced draft fan, Injection pump, Submersible pump, Water circulating pump, Brine pump, Oil pump

u Coal and Mine fields

Hoister, Axial fans, Cleaning pumps, Mixing pumps, Dust fan, Mud pump, Water pump, Feed pumps, drain pump

u Metallurgy fields

Dust fan, Blast furnace blowers, Compressor fan, Oxygen Compressor, Feed pumps, SO2 fans, Cleaning pumps, Gas compressors

u Cement, and building materials fields

Raw mill fan, Cement mill fans exhaust fan, Heat fan mill, Dust fan, Circulating fan, Pressure fan

u Municipal areas

Pressure pump, Hot water circulation pumps, Sewage pumps, The water supply pump, Fan

u Chemical industry

Pressure pump, Compressor, Pump, Soft water pump, Blower, Fan

u Other fields

Air pump test stand, Wind tunnel test device

Technic parameter:

Type			Two quadrant high-voltage VFD	Four quadrant high-voltage VFD
Applied motor power(kw)			200kw-12000kw(4-pole motor is the standard,6-12pole motor is selected according to current)	200kw-2000kw(4-pole motor is the standard,6-12pole motor is selected according to current)
Rated output		Rated power(kw)	Rated power motor rated voltage 200kw-12000kw	Rated power motor rated voltage 200kw-2000kw
		Rated current(A)	Rated current of motor rated voltage	Rated current of motor rated voltage
		Overload capacity	105% continuous,130% allow 1 minute,150% allow 3 seconds.180% immediate protection	150% continuous,180% allow 1 minute.250% immediate protection
		Output voltage(KV)	Three-phase 0-6kv,(0-10kv)
		Waveform	Mutiplexed SPWM sine wave
Input voltage		Phase/frequency/voltage	Three phase 50Hz 0-6kv,(0-10kv)
		Allowed volatility	Voltage:±10% Frequency：±5% -15%~35% derating for continuous operation.
Basic performance		Start frequency	0-10Hz can be set
		Accuracy	Analog setting:less than 0.3% of Max. frequency setting value(25± 10℃) Digital setting:less than 0.1% of Max. frequency setting value(-10± 50℃)
		Resolution	Analog setting:1/2000 of the Max. frequency setting value Digital setting:0.01hz(below 99.99hz) 0.1Hz(above 100hz)
		Efficiency	≥98% at rated output
Working		Power factor	≥0.95
		Operation	Local control(touch screen,cabinet door swtich)operation,remote extemal control operation,upper computer operation(optional)
		Given frequency	Touch screen digital given,muti-speed given,external control analog signal(DC4~20MA)given
		Working status output	Ralay status output,inverter fault,alarm.working/stop and other status indication
		Touch secreen	Input/output voltage,Input/output current,set value,fault status of each unit.working status,transformer status,bus voltage of each unit,etc.
Protection function			Motor overcurrent, whole machine overvoltage, whole machine undervoltage, unit overcurrent, unit overvoltage, unit overheating, unit input phase loss, optical fiber communication failure, etc.
Cooling method and enclosure protection grade			Forced air cooling/IP31
Control	Acceleration and deceleration time		0.01～6000.0S, the acceleration and deceleration time can be set separately
	Voltage/Frequency Characteristics		Set by the set V/F curve
	PID		Manually set PID parameters
	Auxiliary function		V/F curve, low frequency compensation, rated current, current protection limit setting
	High voltage isolation		Electromagnetic coupling, multi-channel fiber optic transmission
	Control power input		AC 220V 2KVA
Environment	Applicable places		Indoor, no corrosive or conductive gas, dust, direct sunlight, below 1000 meters above sea level (can be customized for high altitude areas)
	Ambient temperature/humidity		-10℃～＋40℃/20～90%RH without condensation
	Vibration		5m/s2 (below 0.6g)
	Storage temperature		-20 to +65°C (suitable for short-term storage such as transportation)

High voltage frequency converter