What is An MPPT Micro Inverter?
An MPPT Micro Inverter, also known as a Maximum Power Point Tracking Micro Inverter, is a specialized device used in solar power systems.
MPPT (Maximum Power Point Tracking): This technology is employed in solar inverters to maximize the power output from solar panels. Solar panels have an optimal operating point where they produce the maximum amount of power. MPPT technology adjusts the electrical operating point of the solar panels in real-time, ensuring they operate at this maximum power point, regardless of changes in environmental conditions like sunlight intensity or temperature.
Micro Inverter: A micro inverter is a small-scale inverter designed for use in photovoltaic (PV) solar power systems. Unlike traditional inverters that connect to multiple solar panels, a micro inverter is typically installed on or near individual solar panels. This allows each solar panel to have its inverter, converting the direct current (DC) generated by the panel into alternating current (AC) for use in homes or the electrical grid.
Combining these concepts, an MPPT Micro Inverter integrates the MPPT technology into a small-scale inverter format. It is specifically designed to be installed on or near individual solar panels, enabling each panel to independently operate at its maximum power point. This technology helps optimize energy harvest from each solar panel, contributing to the overall efficiency and performance of the solar power system. The real-time tracking and adjustment provided by MPPT technology ensure that the system operates efficiently even under varying environmental conditions.
Features of MPPT Micro Inverter
- Exceptional Maximum Power Point Tracking (MPPT) for optimal performance.
- Capability for power transmission in reverse.
- Comprehensive input and output isolation to ensure electrical safety.
- Accommodates multiple parallel stackings for increased capacity.
- Utilizes a digital control system for precise management.
- User-friendly maintenance, making it easy for users to service.
- Cost-effective operation and maintenance.
- Offers versatility in installation options.
Specification of MPPT Micro Inverter
| Model | GTB-400-B |
| Import(DC) | |
| Maximum input power | 275-400W |
| Number of DC input connections (groups) | MC4*1 |
| Maximum DC input voltage | 52V |
| Operating voltage range | 20-50V |
| Start-up voltage | 18V |
| MPPT Tracking Range | 22-48V |
| MPPT Tracking accuracy | >99.5% |
| Maximum DC input current | 12 |
| Output(AC) | |
| Rated power output | 380W |
| Maximum output power | 400W |
| Rated output voltage | 230V |
| Output voltage range | 190-270V |
| Rated AC current (at 230V) | 1.73A |
| Rated output frequency | 60Hz |
| Output frequency range (Hz) | 58.9-61.9Hz |
| THD | ﹤5% |
| Power factor | ﹥99% |
| Maximum number of branch circuit connections | @120VAC : 8 set / @230VAC : 16 set |
| Efficiency | |
| Maximum conversion efficiency | 94% |
| CEC efficiency | 92% |
| Night losses | <80mW |
| Protection Function | |
| Over/under voltage protection | Yes |
| Over/under frequency protection | Yes |
| Anti-islanding protection | Yes |
| Overcurrent protection | Yes |
| Overload protection | Yes |
| Over-temperature protection | Yes |
| Protection class | IP65 |
| Working environment temperature | -40℃ ~ +65℃ |
| Indicator lights quantity | Working status LED light *1 + Wifi signal led light *1 |
| Communication connection mode | WiFi/2.4G |
| Cooling method | Natural cooling (no fan) |
| Working environment temperature | Indoor and outdoor |
| Certification standards | EN61000-3-2，EN61000-3-3,EN62109-2，EN55032， EN55035,EN50438 |
| General information | |
| Dimensions（L*W*H） | 253mm*200mm*40mm |
| Net Weight | 1.2 kg |
