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off grid solar inverter 3 phase pure sine wave 40kw


Product Specification:

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NKG 3 phase solar inverter  with built-in charge controller is an intelligent inverter designed for large photovoltaic power generations.Its built-in controller can realize charge management for a battery pack by multiple solar arrays to improve charge efficiency and life of  the battery pack.

Technical indexes of solar inverter

Model:NKG NKG-40KW solar inverter
Rated power 40KW
Battery Rated voltage 384V DC
Voltage of over discharge protection 345V DC
Controller Rated current 100A
Rated voltage 384V DC
Number of inputs 4
Max. current of each input 25A
Solar input voltage <660V DC
Voltage of overcharge protection 445V DC(programmable)
Control accuracy ±0.1
Display accuracy ±0.1
Efficiency >95%
Inverter Input voltage 176-264VDC/304-456VDC
Input frequency 45-65Hz
Output voltage 220VDC/380VDC(Three-phase four-wire)
Output frequency 45/65Hz
Output waveform Pure sine wave, THD<4% (full load)
Protection function Output short circuit protection, over-voltage protection, under-voltage protection, low battery protection
Manual power-on/off Manual power-on/off preferred
Automatic power on/off Light-operated power-on + fixed-time power-off (programmable)
Other Ambient temperature for operation 0-40SºC
Relative humidity for operation/storage 20-90% (No condensation, maximum)

Pictures of solar inverter

solar inverter solar inverter

3 phase solar inverter

FAQ

Q1: What is the warranty of your product?

A1: Quality warranty for 12 months; parts will be shipped free during warranty period.

 

Q2: Can you do OEM?

A2: Yes, we can offer the OEM service.

 

Q3: What is your delivery time?

A3: Within 5 day after receive advanced payment.

 

Q4: What minimum order do you require?

A4: 1 piece.

 

Q5: Why choose us?

A5: 1) Prompt delivery and good after-sale services.

      2) We have our own factory, the selling prices is competitive.

3) All of our products have CE certification, ISO9001:2008, RoHS.

4) 80% new materials for production and superior quality.

5) Professional engineer designers.

3 phase solar inverter/ 3 phase solar inverter/3 phase solar inverter

Contact us

Tel: 0757-81816130
Fax: 0757-81816130

Email: sales03@snadi.com.cn
Mobile: +86 18377709620
Whatsapp: +86 18377709620

Website: http://snadi.en.alibaba.com
Add:Xiadong economic development zone,Pingzhou,Nanhai district,Foshan city,Guangdong, China.

Production overview

40KW DC to AC three phase solar power  inverter for solar energy system is an intelligent inverter with built-in charge controller designed for large photovoltaic power generations. Its built-in controller can realize charge management for a battery pack by multiple solar arrays to improve charge efficiency and life of the battery pack. Thanks to the DSP control base on SPWM high-frequency carrier technology and IGBT power device, it can control the output operation parameters accurately to provide a high quality and reliable pure sine wave AC power supply for precision equipment. It is widely applied to large solar power generator occasions including families, schools, public lighting, industrial and mining enterprises, frontier defense, sea islands, pasturing areas etc.

3 phase inverter

Main features

 + Excellent performance because of the DSP intelligent control inversion technology :
+ A wide range of applicable loads because of pure sine wave AC output;
+ Visualization of operation status of the equipment through simple LEDs and a LCD:
+ Overall automatic protection and alarms such as output overload protection;
+ Solar array and battery common-anode system input:
+ Intelligent charge control based on programming of charge parameters, which is provided to meet the special needs of different occasions:
+ Settable battery protection parameters. and a function of password protection:
+ A function to accumulate the photovoltaic power generation capacity and the battery capacity:
+ Overall protection: Protection and alarm for reverse connection of the battery poles. battery overcharge and back charge of the battery at night:
+ Display of the current battery voltage, battery charge current. internal temperature of the case, total photovoltaic power generation capacity (AH) total power consumption by the load. total battery level (AH). photovoltaic current when each solar battery is separately conducted, etc 

Our Advantage

A. More than 10 years technical experience and advanced equipment
Our products are selling to all over the world, such as North America, south America,Eastern Europe, Southest Asia ,Africa and Mid-East,etc…
B. Quality Certification
80% electronic components are imported,to make sure the products with high quality and reliable excellent performance.
All of our products have CE certification, ISO9001:2008.
C. OEM & ODM
OEM & ODM are available which can meet your any request with our professional engineering team.
D. Quality Service
Any inquiry replied within 12 hours
Any problem resolved within 24 hours
With 12 months warranty
E. As a leading manufacturer,the price of our products is competitive.


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