SI23 Series Solar Pumping Inverter
  • SI23 Series Solar Pumping Inverter

SI23 Series Solar Pumping Inverter

Specially designed with advanced MPPT and CVT technology.
Support remote monitoring online through GPRS remote monitor system.
Work well with PMSM,AM and other pumps.
Book design saves installation space.

1. New appearance and integration of design and aesthetics

(1) Book-style narrow appearance design brings up to 60% smaller in volume;
(2) Up-down straight-through heat dissipation, multiple frequency inverters can be installed side by side for greatly reducing the size of the cabinet;
(3) Interactive keyboard design, simple appearance and dual keyboard display.

New appearance and integration of design and aesthetics

2. Maximum Power Point Tracking function

Built-in with the MPPT (maximum power point tracking) function, so the photovoltaic pumping system can produce better power outputs to improve the working efficiency of pumps.

Maximum Power Point Tracking function

3. Ingenuity brings brilliant control algorithm

(1) Drive a variety of loads: supports PMSM, AM, electric spindle, AC pump, etc;
(2) Motor self-tune: international leading self-tune algorithm with high accuracy and consistency;
(3) High-speed low-magnetic control: high-bandwidth current vector and 12 times low-magnetic high-precision output.

4. Reliable performance and comprehensive and timely protection 

Reliable performance and comprehensive and timely protection 

(1) Solar pump protection functions: Dry protection, low frequency protection, minimum power protection, sleep protection, overwater protection, pump overcurrent protection, etc. (2) Basic protection functions: Overvoltage, undervoltage, inverter overcurrent, module fault, inverter overload, motor overload, current detection zero-drift fault, current detection fault, E2RCM fault, grounding short-circuit fault, input phase loss, output phase loss , inverter overheating, communication fault, motor parameter self-learning fault, etc. 
(3) Line-to-ground short-circuit detection: achieve full protections from the solar pump inverter to the motor.

5. High efficiency with excellent debugging tool

(1) Host computer debugging software: VCACSost Ver1.3 is easy to operate and configure parameters and provides customers with unprecedented flexibility;
(2) Firmware upgrade: built-in software directly upgrades online that greatly reduces maintenance and replacement costs;
(3) Traditional ports: commonly used 485 interface or fieldbus for data exchange is efficient and stable.

High efficiency with excellent debugging tool

6. Fully-equipped with extensive and remarkable expansion

(1) SPI expansion port: automatic identification of expansion cards and high-speed channel optimized efficiency;
(2) Extensive expansion: supports multiple types of expansion cards and owns various functions that is suitable for multifold applications;
(3) The basic types are divided into communication expansion card, GPS IOT card, IOT expansion card, PG card and simple logic card.

Fully-equipped with extensive and remarkable expansion

7. Exquisite structure ensures high working adaptability in severe environments

(1) Brand-new structure design: the division design of device and air duct and full enclosed design on both sides of the machine improve environmental resistance of the product;
(2) Wide-tooth and high-air cooling: high-efficient heat dissipation with wide tooth surface and huge wind and high wind speed cooling fan guarantee the full power section without derating at high temperatures;
(3) Great-longevity design: rigorous screening of high-quality parts and scientific layout effectively avoid high temperature rise and prolong the product life cycle.

Exquisite structure ensures high working adaptability in severe environments

 

Technical Specification

Solar pump inverter power(KW) Pump Max solar power input
(KW)
Max DC input voltage V Recommend Voc voltage (V) Rated output current(A) Output frequency(Hz)
Rated power (KW) Rated voltage(V)
SI23-D1 series, DC60-400VDC input, 3 phase 110-230VAc output
0.75 0.75 110 1.0 400 175~380 7A 0-320
1.5 1.5 110 1.95 400 175~380 10A 0-320
SI23-D3 series,DC150V-450V input, 3 phase 220-240VAc output
0.75 0.75 220 1.0 450 360~430 4A 0-320
1.5 1.5 220 1.95 450 360~430 7A 0-320
2.2 2.2 220 2.86 450 360~430 10A 0-320
4 4 220 5.4 450 360~430 16A 0-320
SI23-D5 series,DC250V to 780VDC input, 3 phase 380-460VAC output
0.75 0.75 380 1.0 780 620~750 3.0 0-320
1.5 1.5 380 2.2 780 620~750 4.0 0-320
2.2 2.2 380 3.3 780 620~750 6.0 0-320
4 4 380 5.6 780 620~750 10 0-320
5.5 5.5 380 8 780 620~750 13 0-320
7.5 7.5 380 10 780 620~750 17 0-320
11 11 380 14.3 780 620~750 25 0-320
15 15 380 19.5 780 620~750 32 0-320
18.5 18.5 380 23.4 780 620~750 38 0-320
22 22 380 28.6 780 620~750 45 0-320
30 30 380 39 780 620~750 60 0-320
SI23-T3 series,DC350V to 780VDC input,3phase 380-440VAC output
37 37 380 48.1 780 620~750 75 0-320
45 45 380 58.5 780 620~750 90 0-320
55 55 380 71.5 780 620~750 110 0-320
75 75 380 97.5 780 620~750 150 0-320

Technical parameters

Project Parameters
Input power supply Voltage,frequency D1 model:90-400VDC/single-phase 110VAC 50/60HZ
D3 model:150-450VDC/ single-phase 220VAC 50/60HZ
D5 model:250-750VDC/ three-phase 380VAC 50/60HZ
T3 model:350-780VDC/ three-phase 380VAC 50/60HZ
Allowable Fluctuations Voltage imbalance rate:<3%
Frequency fluctuation:±5%
Distortion rate: Conform to IEC 61800-2
Frequency inverter efficiency ≥96%
Recommended voltage Voc D1 model:175-360VDC
D3 model:360-430VDC
D5 model:620-750VDC
T3 model:620-750VDC
Output MPPT efficiency reaches 99.9%
Output frequency range 0-320Hz (320 Hz or higher frequency can be customized)
Overload capacity 150% rated current 1min; 180% rated current 10s; 200% rated current 0.5s
 
Protection Functions Solar pump protection functions Dry protection, low frequency protection, minimum power protection, sleep protection, overwater protection, pump overcurrent protection, etc.
Basic protection functions Overvoltage, undervoltage, inverter overcurrent, module fault, inverter overload, motor overload, current detection zero-drift fault, current detection fault, E2RCM fault, grounding short-circuit fault, input phase loss, output phase loss , inverter overheating, communication fault, motor parameter self-learning fault, etc.
Short-circuit detection of motor grounding Automatic detection whether the motor is Short-circuit to ground in power-on
Servo control Support synchronous and asynchronous servo control, perform pulse tracking, zero
servo, indexing positioning and other basic servo functions, and support the orthogonal pulse given.
Communication network Supports RS485 communication, to realize network and linkage control between VEICHI inverters
Long-distance monitoring function Supports long-distance program upgrade, data monitoring and lock function, can connect VEICHI GPRS module, and supports VEICHI virtual oscilloscope for monitoring and debugging.
Surroundings Installation location Outdoor, less than 1000m altitude, keep away from corrosive air and direct sunlight
Temperature, humidity -10-60°C, 20%-95%RH (no condensation)
Vibration The vibration is less than 0.5g when the vibration frequency is less than 20Hz
Storage temperature -20~60℃
Installation mode Suspension installation
Protection class IP20
Cooling method Natural cooling/forced air cooling
International certification CE