Irrigation Dc To Ac Frequency Inverter With Mppt Triple Phase 4kW Solar Pump Inverter

Short Description:

Solar water pump inverter known as solar variable frequency(VFD) is used to control the operation of solar water pump system. It allows you to adjust output frequency as per intensity of the sunlight to achieve the maximum power point tracking(mppt). It is an off-grid type inverter. The solar water pump inverter does not depend on the power grid. It works with a water level control system. Solar water pump inverter can help save ample energy, with improve control, and require less maintenance due to nearly no wear and tear, offering reliable protection to the motor, and reducing stress on valves, pipework and other related systems.

With the maximum power point tracking, you get the best output power possible from solar panel, which increases the performance of the pump while auto start/stop can save your investment.

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Product Detail

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Features

Based on the superior performance of NK112 series solar pump inverter, our company has developed a series of NK112A solar water pump inverter with automatic voltage boost function to meet the low voltage operation requirements. It simplifies the configuration of solar cell panel and reduces the system cost, which is your ideal choice.

1.Equipped with TI DSP digital control technique and Infineon IGBT power integration module design.
3.Maximum power point tracking(MPPT) algorithm for dynamic VI.MPPT efficiency can be 99%.
4.Fast response speed and good stability.

5.AC and DC input available, but do not use DC and AC at the same time.
6.Remote control, support RS485 protocol.
7. Full protections:Overload, over-current, over-voltage,under-voltage, short circuit, dry pumping, PV reversed connection protection.
8. Widely used in agriculture and forestry irrigation, desert control, solar pasture irrigation, grassland animal husbandry, urban water supply and other landscapes.

Specification

Mode	NK112A-2S-0.7, NK112A-2T-0.7	NK112A-2S-1.5, NK112A-2T-1.5	NK112A-2S-2.2, NK112A-2T-2.2
Dc input
Max DC voltage(V)	450
Starting voltage(V)	80	100
Min operation voltage(V)	60	80
Recommend MPPT voltage(V)	80-400	100-400
Input channel	One channel: MC4
Max DC input current(A)	9	12
Bypass AC input(model supports mains input)
Input voltage(Vac)	220/230/240(1PH)(-15%--+15%)
Input frequency(Hz)	47-63
AC input terminal	1P2L
AC output
Rated(W)	750	1500	2200
Rated current(A)	5.1(1PH)4.2(3PH)	10.2(1PH)7.5(3PH)	14(1PH)10(3PH)
Output voltage(Vac)	0～input voltage
Output wiring mode	1P2L/2P3L/3P3L
Output frequency(Hz)	1--400
Control performance
Control mode	MPPT
Motor type	Asynchronous motor
Other parameters
Protection level	IP54
Cooling mode	Natural cooling
HMI	External LED keypad
Communication
External communication	RS485/3 digital inputs
Operation environment
Ambient temperature	-25℃ to + 60 ℃ (derate when the temperature is above 45℃)
Environment Condition	3000m(derate when the altitude is above 2000m)

Terminals

No	Terminal name	Pin definition
1	AC input terminal	1．L2．N3．PE
2	PV input terminal:negative	-DC INPUT
3	PV input terminal:positive	+DC INPUT
4	External keypad terminal	RJ45
5	Water level indication switch	1.DI3	Short circuit:water shortage.Direct short-circuit running without water level sensor
5	Water level indication switch	2.COM
6	Functional terminal	1．485+
		2．485-
		3．DI2	Short circuit:full water
		4．DI3	Short circuit: water shortage
		5．COM
		6．AIN	Pressure sensor
		7．+24V
		8．PE
7	AC output terminal	1．U
		2．V
		3．W
		4．PE
8	Solar/mains switch	1.DI4	Solar restrict switchF05.04=42,DI4 setting
8	Solar/mains switch	2.COM

Application

Due to the inexhaustiable solar energy that can be obtained everywhere, the solar water pump system automatically works at sunrise, rests at sunset. It is an ideal green energy water extraction system integrating economy, reliability and enviromental protection benefits. Solar pumping inverters are widely used in agricultural irrigation, desert control, grassland animal husbandry, urban water features, domestic water, etc.,

Customer service

1. ODM/OEM service is offered.

2. Quick order confirmation.

3. Fast delivery time.

4. Convenient payment term.

At present, the company is vigorously expanding overseas markets and global layout. We are committed to becoming one of the top ten export enterprises in China’s electrical automatic product, serving the world with high-quality products and achieving a win-win situation with more customers.