One-stop Service Custom Design Bidirectional DC-DC Converter 66KW Wave off Grid Solar Inverter for Lithium Battery

Product Description

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Smart grid design
Specially designed for smart grid and smart micro-grid, accepting grid dispatching, peak cutting and valley filling
Bidirectional inverter
Bidirectional inverter, a variety of battery charging and discharging modes
Working mode setting
It has the function of setting working mode in time period, can set reasonable working mode according to the characteristics of local power grid
Working mode parameters
It has the function of setting working mode in time period, can set reasonable working mode according to the characteristics of local power grid
Operation modes
It has two operation modes: gridconnected (charge-discharge) operation and independent isolated network operation.
Communication interface
RS485, CAN bus and other communication interface are optional, standard MODBUS_RTU communication protocol, remote monitoring
AC Side parameters
AC wiring mode Three phase four wire
Rated output power 10KW 20KW 30KW
Output overload capacity 11KW 22KW 33KW
Rated grid voltage (AC) 220V / 380V / 440V 220V / 380V / 440V 220V / 380V / 440V
Grid voltage range ±20% ±20% ±20%
Rated grid frequency 50Hz / 60Hz 50Hz / 60Hz 50Hz / 60Hz
Grid frequency range ±10% ±10% ±10%
Rated power (THD) <3% (Standard grid)
Power factor 0.8leading-1-0.8lagging, adjustable
DC Battery Side Parameters
Maximum DC power 11KW 22KW 33KW
DC voltage range Vdc 200-700Vdc 200-700Vdc 200-700Vdc
Recommended battery nominal voltage 240V / 384V / 420V / 480V
Rated charge current 50A 100A 150A
Max input current 55A 110A 165A
Voltage/Steady flow accuracy ±1% ±1% ±1%
DC current ripple <1% Irms <1% Irms <1% Irms
* DC Solar Panels Side Parameters
Solar Panels Power 10KWp 20KWp 30KWp
Solar Panel Vmp ≥290V / ≥470V / ≥500V / ≥580V
Solar Maximum Voc <850V <850V <850V
PV Rated charging current 42A 26A 24A 21A 83A 52A 48A 42A 125A 78A 72A 63A
Independent inverter mode
Rated output voltage (AC) 220V / 380V / 440V±1%
Output voltage distortion <3% (resistive load)
Rated output frequency 50Hz / 60Hz ±1%
Voltage transition range <10% (Resistance load 0% <=>100%)
System Parameters
Operating Mode Manual Mode, Auto Mode, *EMS Mode
Charging and discharging mode Constant current, Constant voltage, Constant power
On/off grid switching time 0ms
Max. conversion efficiency 97% / 95% (Include isolation transformer)
Noise <60dB
Protection Degree IP21
Working Temperature -25℃ ~ +45℃
Cooling method Air cooling
Working humidity 0 ~ 95%
Working altitude ≤6000m (Reduced usage for more than 2000m)
Emergency stop Yes (via emergency stop button)
Display Touch screen
Communication mode RS485, WIFI, GPRS, Ethernet (Modbus protocol)
Dimensions 500*500*900mm 550*550*1000mm 550*550*1100mm
Weight 65KG 85KG 95KG
System Connection Diagram
Product Structure Diagram
Application Scenario
PRODUCT RANGE
Product Range Overview
Power Conversion Products 1
Power Conversion Products 2
BUYERS FEEDBACK
Buyers Feedback
COMPANY PROFILE
Company Office and Awards

Our company was established in 2004 and acquired two registered trademarks in the same year. After five years of accumulation in 2009, the company gradually matured steadily. The company purchased factory buildings with independent property rights, and relocated to start a new journey. In 2012, the Ministry of Foreign Trade was established to open up markets and begin to expand foreign markets. In 2015, the company achieved rapid development, with 2 invention patents, 6 utility model patents, 1 appearance patent, obtained the "high-tech enterprise certificate" recognition, and obtained the ISO 9001 quality management system certification. In 2018, the company continued to innovate, with four invention patents, six utility model patents, and two software registration rights, and again successfully recognized high-tech enterprises. On July 10, 2019, it passed the certification of intellectual property management system. In 2020, three patents for invention and six patents for utility models were applied for.

Quality Management and Patents

1. Our main products are off grid wind turbine controller, on grid wind turbine controller, solar charging controller, wind-light complementary controller, wind-light complementary street lamp controller, on grid inverter, off grid inverter, frequency converter, stabilized frequency power supply, etc.

2. With first-class manufacturing technology, advanced technology and equipment, strong technical force, perfect testing means and personnel management, our company has carried out 17 research and development projects in the last three years, completed 16 transformations of scientific and technological achievements, and invested all by itself to implement the transformation, averaging 5.3 transformations of scientific and technological achievements each year.

3. Our company takes technological innovation as the basis of enterprise development, annual R&D cost is not less than 20% of sales revenue, and continuously explores advanced technologies in the field of new energy power sources, such as electromagnetic control technology for wind turbines, MPPT technology, yaw wind turbines control technology, wind and solar complementary system Internet of Things monitoring, etc. Now it has five national invention patents for core technologies, twelve utility model patents, and the control technology for wind turbines has reached the advanced international level.

4. We have a complete product quality assurance system and ISO 9001 certification. Perform comprehensive quality control, rigorous test one by one, each performance is superior to the relevant national standards, all products have passed the EU CE certification. Ensure user safety and reliable use. Now our products have been the preferred supporting products for well-known manufacturers. The products export to more than 120 countries and regions, such as Germany, Japan, the United States, the United Kingdom, Canada, Australia, Egypt, Brazil, Saudi Arabia, and have established a good image in the domestic and foreign markets.

5. We are based on the market, pay attention to customers, provide high-quality products, adhere to technological progress, scientific management and standardized operation are the key to our success. We will jointly meet the challenges of the new century, shape a good image outside, and construct the blueprint of a modern enterprise in an all-round and three-dimensional way.

OUR FACTORY
Factory Workshop 1
Factory Workshop 2
Factory Workshop 3
Factory Workshop 4
Factory Equipment 1
Factory Equipment 2
Factory Warehouse 1
Factory Warehouse 2
Frequently Asked Questions
Can you provide OEM service?
Yes, we can provide customized OEM services according to your requirements.
Can you design the complete solar wind power system?
Yes, we can design the complete wind-light complementary or independent systems based on your specific application needs.
Are you a factory or a trading company?
We are an established manufacturer of high-quality wind turbine solar controllers, inverters, and power converters.
Is product customization acceptable?
Yes, our technical team can adjust and customize the system parameters and interfaces according to customer requirements.
Can you provide samples?
Yes, we can supply samples for quality assessment and field testing purposes.

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