0.75kw 1HP Solar Pump Inverter with MPPT 99.8% Automatic Unattended Operation

• Customization: Available
• Application: Three Phase Transducer, General Transducer
• Output Type: Triple
• Model NO.: VEICHI SI21
• Principle of Work: V/F Control Transducer
• Switch Mode: PWM Control
• Main Circuit Type: Voltage
• Voltage of Power Supply: High Voltage Variable-Frequency Drive
• Link of Transformation: AC-DC-AC Variable-Frequency Drive
• Nature of DC Power: Voltage Variable-Frequency Drive
• Function: Simple Type
• Brand: Veichi
• Total Solar Panels Voc Input Range: 60~780VDC
• Power Range: 750 W-55,000 W
• Transport Package: Carton Box/Wood
• Trademark: VEICHI
• Origin: Suzhou, China
• Production Capacity: 600, 000 PCS/Year

Product Description

>>>  SI21 Solar Pump Inverter Overview

The SI21 solar pump inverter can be used to provide clean water resources in remote areas where power facilities are scarce; the controller can convert the direct current of the photovoltaic array into alternating current and drive various water pumps.

1. Advanced Syn.R.M. and PMSM Driving Technology;
2. Wide-range and High Efficiency MPPT Technology;
3. Various Specific Functions for Solar Pumping;
4. Intelligent IOT;
5. Functional Monitoring Software;
6. Flexible and Various Installation;

>>>  Advanced Technology

1. S.R.M&P.M.S.M&A.M. Driving.
2. Energy Saving&Pump more water.

>>>  MPPT Technology

1. Whole voltage range.
2. Efficiency up to 99.8%.

>>>  Various Spectific Function

1. One-key operation.
2. Dormancy, dry run, low speed, minimum power, pump over current.
3. Water fuifilled, output power limit, PQ curve, pump clear, constant pressure control.

>>>  Intelligent IOT

>>>  Functional PC Monitor Software

1. Parameters monitorning&Settings.
2. Virtual oscilloscope.

>>> Flexible & Various Installation

MINI&Various installation methods.

1. Side by side installation, no need to reserve clearance.
2. Rail mounting, plug into it then use it.
3. Side mounting, sideways installation if vertical space is not compatible.

>>> Industrial Applications for SI21 Series Solar Pump Inverter

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

>>> Specifications

SI21-D3-2R2G-A
Total Solar Panels Voc input range	D1 series: 60~400Vdc
	D3 series: 150~450Vdc
	D5 series: 250~780Vdc
AC input voltage/frequency range	D1 series: Single/three phase 110Vac 50/60Hz
	D3 series: Single/three phase 220/230Vac 50/60Hz
	D5 series: Three phase 380Vac 50/60Hz
Output voltage/frequency/power range	D1 series: 110~230Vac  0~600HZ    0.75~1.5KW
	D3 series: 150~230Vac  0~600HZ    0.75~2.2KW
	D5 series: 230~460Vac  0~600HZ    0.75~5.5KW
Overload Capacity	1. 150% rated currency    60s;
	2. 180% rated currency   10s;
	3. 200% rated currency   0.5s;
MPPT efficiency	up to 99.8%
Solar Pump Inverter Protection	1. Low speed protection
	2. Dormancy function
	3. Undervoltage/Overvoltage protection
	4. Input/output phase lose protection
	5. Phase-Phase/ Phase to ground short circuit protection
Analog signal input/output	0~20mA/0~10V
Multifunction Digital Terminal	4X input 2X output
Build-in Relay control	Control relay opening and closing according to inverter status
Warranty Period	18 Months

>>>  About VEICH