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The grid-connected and off-grid hybrid system is an advanced power solution that integrates photovoltaic power generation, energy storage batteries, and intelligent bidirectional inverters. It can connect to the main grid to achieve bidirectional power flow, and can also automatically switch to independent island operation in case of grid failure. It is equivalent to providing a large-scale uninterruptible power supply with millisecond response time for households or industrial and commercial premises.
Product Description
The Grid-connected & Off-grid Hybrid System realizes intelligent energy dispatching and ensures the continuous operation of critical loads through seamless switching in 20ms. The multi-working mode enhances the self-consumption rate by 95%, and the high-frequency isolation technology and intelligent BMS extend the equipment's lifespan. Compatible with mainstream battery types and combined with remote energy management functions, it provides an economical and reliable hybrid energy solution for areas with high electricity prices and weak power grids.
Core Features
• 20ms seamless switching: Uninterruptible power supply at UPS level, supporting peak shaving and valley filling operation.
• Multi-mode self-consumption: 95% self-generation and self-consumption rate, maximizing energy utilization rate.
• High-efficiency charge and discharge design: Enhance the economic benefits of the system.
• Strong battery compatibility: Compatible with lead-acid and lithium batteries, providing flexible and economical solutions.
• High-frequency isolation technology: Enhances system safety and service life.
• Full-time energy management: Supports remote control/upgrade/power station status monitoring.
Parameters
| Solar panel power | 400W | ||||
| Solar panel voltage | 41V | ||||
| Number of solar panels | 12PCS | 14PCS | 20PCS | ||
| Photovoltaic DC cable | 1 SET | ||||
| MC4 connector | 1 SET | ||||
| Battery voltage | 48V | ||||
| Battery capacity | 100Ah | 200Ah | |||
| Battery communication method | CAN/RS485 | ||||
| Inverter off-grid rated output power | 3KW | 5KW | |||
| Maximum output apparent power on off-grid side | 4. 5KVA, 10S | 7KVA,10S | |||
| Rated output voltage on off-grid side | 1/N/PE, 220V | ||||
| Rated output frequency on off-grid side | 50Hz | ||||
| Off-grid switching time | <20ms | ||||
| Rated output power of inverter connected to the grid | 3KW | 3.6KW | 4.6KW | 5KW | 6KW |
| Maximum output apparent power on the grid-connection side | 3.3KVA | 4KVA | 4.6KVA | 5.5KVA | 6KVA |
| Rated output voltage on grid side | 1/N/PE,220V | ||||
| Rated output frequency on grid side | 50Hz | ||||
| Working temperature | -25~+60°C | ||||
| Cooling method | Natural cooling | ||||
| Maximum working altitude | 3KW | ||||
| AC output copper core cable | 1 SET | ||||
| Distribution box | 1 SET | ||||
| Auxiliary material | 1 SET | ||||
| Photovoltaic mounting type | Aluminum / Carbon steel mounting (one set) | ||||
Applicable Scenarios
▪ Rural areas, suburban areas, old urban areas
▪ Villa, machine room, small workshop cold storage
▪ Factory, shopping mall, charging station
▪ Islands, mountain-side guesthouses, remote base stations
▪ Self-built houses, large floor plans
Professional Technical Services
▶ Solution design and structural analysis:
Provide customized solution drawing, load calculation reports (including wind load/snow load/seismic force analysis) or assembly drawing.
▶ On-site survey:
Engineers conduct on-site investigations ground conditions with local soil investigation professionals.
▶ Installation training and guidance:
Provide installation videos, installation manuals and on-site installation guidance to ensure safe and complete installation.
Solar First Project Reference
Photovoltaic communication base stations refer to a new type of infrastructure that uses solar photovoltaic power generation to provide all or part of the power for communication equipment (such as 4G and 5G base stations). Against the backdrop of the dual goals of "carbon peaking" (i.e., carbon neutrality) and the high energy consumption of 5G networks, it is becoming a key path for the green transformation of the communications industry.
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