| 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 |
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.
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.