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Products Description
Functionality:
Micro inverters are devices used in solar power systems to convert the direct current (DC) generated by solar panels into alternating current (AC) that can be used to power electrical devices.
Characteristics:
1. Panel-Level Conversion: The main characteristic of a solar micro inverter is its ability to convert DC power to AC power at the panel level. This allows for independent operation and optimization of each panel, maximizing energy generation.
2. Compact Size: Solar micro inverters are typically small and compact, making them easy to install and integrate into solar panel systems.
3. Durability: Solar micro inverters are designed to withstand outdoor conditions and have a long lifespan. They are often built with robust materials and are resistant to dust, moisture, and temperature fluctuations.
1. Independent Power Conversion: Each solar micro inverter operates independently, allowing for individual power optimization and fault isolation. This ensures that the performance of one solar panel does not affect the entire system's energy production.
2. Maximum Energy Harvesting: By converting the DC power at the panel level, solar pv micro inverters maximize energy harvesting by mitigating the impact of shading, soiling, or panel mismatch issues.
3. Safety: Micro inverters provide enhanced safety compared to traditional string inverters. As each panel operates independently, the risk of high-voltage DC arcs or electrical shock is minimized.
4. Design Flexibility: Micro solar inverters offer design flexibility as they can be used with solar panels of different sizes, orientations, and power ratings. This allows for customized system designs to meet specific energy needs and installation requirements.
| Model | HMS-400-1T | HMS-450-1T | HMS-500-1T |
| Input Data (DC) | |||
| Commonly used module power (W) | 320 to 540+ | 360 to 600+ | 400 to 670+ |
| Maximum input voltage (V) | 65 | ||
| MPPT voltage range (V) | 16 – 60 | ||
| Start-up voltage (V) | 22 | ||
| Maximum input current (A) | 14 | 15 | 16 |
| Maximum input short circuit current (A) | 25 | ||
| Output Data (AC) | |||
| Rated output power (VA) | 400 | 450 | 500 |
| Rated output current (A) | 1.82 /1.74 /1.67 | 2.05 / 1.96 / 1.88 | 2.27 / 2.17 / 2.08 |
| Nominal output voltage/range (V) ¹ | 220/180–275 230/180–275 240/180–275 | 220/180–275 230/180–275 240/180–275 | 220/180–275 230/180–275 240/180–275 |
| Nominal frequency/range (Hz) ¹ | 50/45 – 55 or 60/55 – 65 | ||
| Power factor (adjustable) | > 0.99 default 0.8 leading…0.8 lagging | ||
| Total harmonic distortion | < 3% | ||
| Maximum units per 10AWG branch² | 17 18 19 | 15 16 17 | 14 14 15 |
| Maximum units per 12AWG branch² | 11 11 12 | 9 10 10 | 8 9 9 |
| Efficiency | |||
| CEC peak efficiency | 96.7% | 96.5% | 96.5% |
| Nominal MPPT efficiency | 99.8% | ||
| Night power consumption (mW) | < 50 | ||
| Mechanical Data | |||
| Ambient temperature range (℃) | -40 to +65 | ||
| Dimensions (W × H × D mm) | 182 × 164 × 30 | ||
| Weight (kg) | 1.75 | ||
| Enclosure rating | Outdoor-IP67 (NEMA 6) | ||
| Cooling | Natural convection-No fans | ||
| Features | |||
| Communication | Sub-1G | ||
| Type of isolation | Galvanically Isolated HF Transformer | ||
| Monitoring | Hoymiles S-Miles Cloud³ | ||
| Compliance | EN 50549-1: 2019, VDE-AR-N 4105: 2018, UL 1741, IEC/EN 62109-1/-2,IEC/EN 61000-6-1/-2/-3/-4, IEC/EN 61000-3-2/-3 | ||
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