AC Variable Frequency Drive Inverter VFD for Water Pump

• Application: High-performance Transducer, Three Phase Transducer, General Transducer, High Frequency Converter Transducer
• Output Type: Triple
• Principle of Work: Vector Control Transducer
• Switch Mode: PWM Control
• Main Circuit Type: Current
• Voltage of Power Supply: Low Voltage Variable-Frequency Drive
• Model NO.: VEICHI GS20
• Link of Transformation: AC-DC-AC Variable-Frequency Drive
• Nature of DC Power: Voltage Variable-Frequency Drive
• Function: Constant Pressure Water Supply
• Brand: Veichi
• Transport Package: Carton Box/Wood
• Trademark: VEICHI
• Origin: Suzhou, China
• Production Capacity: 600, 000 PCS/Year

Product Description

>>> New Appearance,Narrow Body Structure

1. Book narrow body structure, maximum space-saving 60%.
2. New keyboard design, simple appearance and easy operation.
3. European terminal blocks, convenient and efficient wiring.

>>> Motor protection function

Multiple inverter basic protection functions;Water pump exclusive protection function(water shortage protection,high and low pressure protection,leakage protection,anti-freeze embroidery protection, sensor disconnection protection).
 

>>> Multiple pump control

1. The pressure of the pipe network is detected by the host and sent to the auxiliary machine. When the pressure is not enough, the auxiliary machine starts and runs according to the set frequency, and the main machine performs constant pressure PID adjustment.
2. The main and auxiliary machines altemately run in sequence at regular intervals to realize the uniform use of the water pump and extend the life of the water pump.

>>> Perfectly drive a variety of pump motors

Perfectly drive a variety of water pump motors such as asynchronous, permanent magnet synchronous, synchronous reluctance, etc.

>>> Multiple water supply functions

>>> Smart IOT

1. Support GPS positioning. wifi data connection, offline data storage.
2. Unattended, real-time, remote control.
3. Big data analysis, calculation of cumulative power generation and flow.

>>> Easy to Debug and Rich in Expansion

1. Professional PC software, one-key reading of debugging parameters.
2. Virtual oscilloscope reads data accurately.
3. Support Modbus, SPI. GPRS, PG card and other expansion interfaces.

>>> Industrial Applications for GS20 General Pump Drive

Applications: Farmland irrigation, residential water, landscape fountains, swimming pool water supply, desert management.

>>> Specifications

Projects		specifications
Power input	Voltage, frequency	Single phase :220V 50/60Hz;Three phase: 220V 50/60Hz; Three phase 380V 50/60Hz ,
	Allowable fluctuations	voltage unbalance rate:<3%; Frequency:±5%; aberration rate: as IEC61800-2 required
	Inrush current	Lower than rated current
	Power factor	≥0.94(with DC reactor)
	Efficiency	≥96%
Output	Output voltage	Output under rated condition: 3 phase, 0~input voltage, deviation<5%
	Output frequency range	G type:0~600Hz
	Output frequency accuracy	Max frequency ±0.5%
	Overload capacity	G type: 150% rated current/1 min, 180% rated current/10s, 200% rated current/0.5s
		P type: 120% rated current/1 min, 140% rated current/10s, 150% rated current/0.5s
Main control performance	Motor type	Three-phase asynchronous motor; Permanent magnet synchronous motor (sine wave)
	Control mode	V/F control, Open loop vector control, Closed loop vector control
	Modulation	Optimizing Space Voltage Vector PWM Modulation
	Carrier frequency	1.0~16.0kHz
	Speed control range	VC without PG: rated load 1:100;  VC with PG: rated load 1:1000
	Steady speed accuracy	VC without PG: ≤2% rated synchronized speed; VC with PG: ≤0.05% rated synchronized speed
	Starting torque	VC without PG: 150% rated torque at 0.5Hz; VC with PG: 0Hz, 200% rated torque at 0Hz
	Torque response	VC without PG:<20ms; VC with PG: <10ms
	Frequency accuracy	Digital setting: max frequency×±0.01%; Analog setting: max frequency×±0.2%
	Frequency resolution	Digital setting: 0.01Hz; Analog setting: max frequency×0.05%
Basic functions	Torque control	Torque setting calculation, torque mode speed limit
	DC braking capacity	Starting frequency:0.00~50.00Hz; Braking time:0.0~60.0s; Braking current:0.0~150.0% rated current
	Torque boost capacity	Automatic torque boost 0.0%~100.0%; Manual torque boost 0.0%~30.0%
	V/F curve	Four modes: linear torque characteristic curve, self-set V/F curve, torque reduction characteristic curve (1.1 to 2.0 power), square V/F curve
	Acceleration/Deceleration curve	2 modes: linear Acceleration/Deceleration and S curve Acceleration/Deceleration. 4 sets of ACC/DEC, time unit 0.01s selectable, longest time: 650.00s.
	Rated output voltage	Using the power supply voltage compensation function, the rated voltage of the motor is 100%, which can be set within the range of 50 to 100% (the output cannot exceed the input voltage)
	Voltage auto-adjustment	While power supply voltage fluctuates, it can auto-keep constant output voltage.
	Auto energy-saving running	While under V/F control mode, according to load situation, auto-optimize output voltage to save energy.
	Auto-limit current	Auto-limit the current while running to prevent over current break trouble.
	Instant power off treatment	Uninterrupted operation through bus voltage control during instantaneous power loss
	Standard functions	PID control, speed track, power off restart, jump frequency, upper/lower frequency limit control, program operation, multi- speed, RS485, analog output, frequency impulse output.
	Frequency setting channels	Keyboard digital setting, Analog voltage/current terminal AI1, Analog voltage/current terminal AI2, Communication given and multi-channel terminal selection, Main and auxiliary channel combination, expansion card, supporting different modes switch
	Feedback input channel	Voltage/Current Terminal AI1, Voltage/Current Terminal AI12, Communication given, Low-speed pulse input PUL, extension card
	Running command channel	Operation panel given, external terminal given, communication given, expansion card given
	Input command signal	Start, stop, FWD/REV, JOG, multi-step speed, free stop, reset, ACC/DEC time selection, frequency given channel selection, external fault alarm.
	External output signal	1 relay output, 1 collector output, 1 AO output: 0~10V output or 4~20mA output
Protection function		Overvoltage, under-voltage, current limit, over-current, overload, electric thermal relay, overheat, overvoltage stall, data protection, rapid speed protection, input/output phase failure protection
Keyboard display	LED display	Built-in keyboard: single line 5- digital tube display	monitor 1 inverter status quantity
		External keyboard: double line 5- digital tube display	Monitor 2 inverter status quantities
	Parameter copy	Upload and download function code information of the inverter for fast parameter copying
	Status monitor	Output frequency, given frequency, output current, input voltage, output voltage, motor speed, PID feedback, PID given value, module temperature etc. monitor parameters.
	Error alarm	Over-voltage, under-voltage, over-current, short circuit, phase failure, overload, overheat, overvoltage stall, current limit, or Data protection compromised, current fault health, historical fault record
Environment	Install place	The altitude is less than 1000 meters, and the derating is more than 1000 meters. The derating is 1% for every 100 meters. No condensation, icing, rain, snow, hail, etc., solar radiation is less than 700W/m2, air pressure 70~106kPa
	Temperature, humidity	-10 ~ +50°C, derating can be used above 40 °C, the maximum temperature is 60 °C (no-load operation), 5%~95%RH(no condensation)
		5% to 95% RH (no condensation)
	Vibration	9~200Hz,5.9m/s2(0.6g)
		5%-95%RH (no condensation)
	Storage temperature	-30-+60ºC
	Installation	Wall hanging
	Protection degree	IP20
	Cooling method	Forced air cooling

>>>  About VEICHI