HJ Micro Inverter Series

The HJ-MG series micro inverter adopts dual-channel independent MPPT technology, with a conversion efficiency of up to 97%, a built-in Bluetooth monitoring system, and an IP67 protection level. It is suitable for residential and small commercial photovoltaic systems and is an efficient and safe solution for distributed photovoltaic power generation.

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TAG: distributed photovoltaic, efficient energy saving, energy transformation, green energy, microinverter, photovoltaic technology, renewable energy, smart power generation

Product Introduction

With the transformation of the global energy structure and the rapid development of the distributed photovoltaic market, micro inverters are becoming the preferred solution for distributed photovoltaic systems due to their high efficiency, safety and flexibility. As a professional manufacturer in the field of photovoltaic inverters, HJ Group has launched the HJ-MG series micro inverters, committed to providing high-quality distributed photovoltaic power generation products to global users.

In terms of reliability, the HJ-MG series micro inverters use high-quality components and advanced heat dissipation design, with a long product life and a standard warranty period of 12 years, which is much higher than the industry average. The high IP67 protection level ensures the stable operation of the product in various harsh environments, adapts to the extreme temperature range of -40°C to +85°C, and meets the application needs of different climate regions around the world.

 

HJ-MG series micro inverter includes three main products, and its technical parameters are as follows:

 

hj-micro-inverter-1

HJ-MG0001-W (1kW):

  • MPPT voltage range: 28V-45V
  • Operation voltage range: 26V-60V
  • Maximum DC input voltage: 60V
  • Maximum DC input current: 20A×2
  • Maximum DC short-circuit current: 25A×2
  • AC output rated power: 1000W
  • Rated output voltage/frequency: 220V/50Hz
  • Maximum output current: 4.5A
  • Maximum efficiency: 96%
  • MPPT tracking efficiency: 99.90%
  • Night power consumption: 20mW
  • Protection level: IP67
  • Operating temperature range: -40°C to +65°C
  • Dimensions: 263mm×218mm×37mm
  • Weight: 3kg

 

hj-micro-inverter-2

HJ-MG0002-W (2kW):

  • MPPT voltage range: 56V-90V
  • Operation voltage range: 52V-118V
  • Maximum DC input voltage: 118V
  • Maximum DC input current: 20A×2
  • Maximum DC short-circuit current: 25A×2
  • AC output rated power: 1900W
  • Maximum output power: 2000W
  • Rated output voltage/frequency: 220V/50Hz
  • Maximum output current: 8.6A
  • Maximum efficiency: 97%
  • MPPT tracking efficiency: 99.50%
  • Nighttime power consumption: 20mW
  • Protection level: IP67
  • Operating temperature range: -40°C to +65°C
  • Dimensions: 283mm×233mm×39.5mm
  • Weight: 4.2kg

hj-micro-inverter-5

HJ-MG0003-W (0.5-2kW):

  • Output power range: 500VA-2000VA
  • Module-level MPPT and data monitoring function
  • Adopt Sub-1G wireless communication technology
  • Easy to install and lower cost
  • Suitable for balcony photovoltaic, home energy storage and DIY system

 

 

The performance characteristics of HJ-MG series micro inverters are mainly reflected in the following aspects:

  1. High-efficiency conversion: With high-frequency isolation design and high-quality components, the maximum conversion efficiency reaches 97%, which is significantly higher than traditional inverters and can effectively improve the overall power generation efficiency of the system.
  2. Dual-channel independent MPPT: Each inverter is equipped with 2 input channels and has independent MPPT function. The MPPT tracking efficiency is as high as 99.9%, which can ensure that each photovoltaic module can achieve maximum efficiency even in partial shadows or inconsistent component orientation.
  3. Intelligent monitoring system: With built-in Bluetooth communication module, users can directly connect to obtain real-time data of the photovoltaic system through mobile phones, including power generation, operating status and fault information, etc., to achieve convenient monitoring and management.
  4. Excellent protection performance: IP67 high protection level, adapt to extreme temperature environments from -40°C to +85°C, ensure stable operation under various climatic conditions, especially suitable for outdoor installation.
  5. Natural convection heat dissipation: Adopt fanless natural convection heat dissipation design to reduce mechanical failure points, extend product life, reduce noise and improve user experience.
  6. Safe and reliable design: Built-in safety protection relay, directly plug into the wall socket, no high-voltage DC risk, higher intrinsic safety, especially suitable for residential applications.
  7. Long-term warranty support: The standard warranty period is 12 years, which is much higher than the industry average, reflecting HJ Group's confidence in product quality and commitment to customers.

 

HJ-MG series micro inverters are widely used in the following application scenarios:

Residential rooftop photovoltaic system

Residential rooftop is the main application scenario of micro inverter. The component-level MPPT technology of HJ-MG series micro inverter can effectively solve the problems of residential roof shading and inconsistent orientation, and maximize the power generation efficiency of each photovoltaic module. At the same time, the non-high-voltage DC design greatly improves the system safety, which is especially suitable for home users.

According to actual application data, the annual power generation of residential photovoltaic systems using HJ-MG series micro inverters is 15-20% higher than that of traditional string inverter systems, especially under complex roof conditions. This advantage is more obvious.

Balcony photovoltaic system

HJ-MG0003-W micro inverter is particularly suitable for balcony micro photovoltaic system. Users only need to install 1-2 photovoltaic modules and micro inverters to realize balcony power generation for self-use and reduce household electricity costs. The product supports plug-and-play, easy installation, and no professional personnel are required, which is especially suitable for urban apartment residents.

Small commercial photovoltaic system

For small commercial users, HJ-MG0002-W high-power micro inverter provides higher system flexibility and reliability. Commercial users can flexibly configure system capacity according to roof area and power demand, and achieve refined system management and maintenance through component-level monitoring.

DIY photovoltaic system

The simple and easy-to-use characteristics of the HJ-MG series micro inverter make it an ideal choice for DIY photovoltaic enthusiasts. Users can flexibly configure the system scale according to their needs and budget to achieve personalized photovoltaic solutions.

Future Outlook and Development Plan

With the growing global demand for clean energy and the popularization of distributed photovoltaic systems, the micro inverter market will continue to grow rapidly. According to market research institutions, by 2029, the global micro inverter market will reach US$7.74 billion, with a compound annual growth rate of nearly 20%.

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