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China Factory Suppliers: High-Efficiency Single-to-Three-Phase Power Amplifiers for Enhanced Performance
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1. High-Efficiency Conversion, Reduced Energy Costs
Technical Optimization: Through designs incorporating soft-switching technology and line-frequency isolation transformers, the impact of load fluctuations during power-on and power-off on the circuit is minimized, high-frequency interference is suppressed, and system stability is enhanced.
Efficiency Performance: Some products achieve conversion efficiencies of 90–92% under half-load conditions, effectively reducing power loss. Since electricity is billed at single-phase rates, this saves users long-term operating costs.
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2. High-Reliability Design for Continuous Operation
Designed to meet the demands of complex environments and long-term use, our single- and three-phase amplifiers excel in protection and thermal management:
- Protection Rating: IP54 dust- and water-resistant design (select models) enables indoor and outdoor installation, withstands wind and rain, and extends equipment lifespan.
- Thermal Management: Intelligent air-cooling architecture ensures stable operation under high-temperature or high-load conditions.
- Protection Features: Integrated multiple protections including overcurrent, overload, undervoltage, overvoltage, short circuit, and overheat protection, as well as hard-switch protection for both input and output.
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3. Intelligent Management for Enhanced O&M Efficiency
- Remote Monitoring: Supports communication protocols such as RS485, Modbus RTU, and CAN, enabling real-time monitoring of DC input/output voltage, current, power status, and more.
- Modular Design: Plug-and-play structure reduces maintenance costs.
📋 Product Parameter
| Model | SPVLI-30KWH-INV15KW | |
| Isolation mode | Low Frequency Transformer | |
| Inverter Part | ||
| Battery Input | Rated Voltage (Vdc) | 307VDC |
| Voltage range (Vdc) | 278–400V | |
| AC Output | Rated output power | 15KW |
| Output waveform | Pure Sine Wave | |
| Rated Voltage | 380VAC | |
| Phases | 3 phase + N + PE | |
| Rated current (A) | 22.7A (Phase Current) | |
| Frequency | 50/60Hz | |
| Power Factor (PF) | >0.95 | |
| Inverter Efficiency | >92% | |
| Display | LCD+LED | |
| Overload Ability | 120%, 35 seconds | |
| AC-DC Charger Part | ||
| AC Input | Voltage range (Vac) | 180–240Vac |
| DC Output | Rated voltage (Vdc) | 307Vdc |
| Rated current (A) | 20A | |
| Lithium Battery Part | ||
| Cell / Number | 105AH / 96PCS | |
| Rated voltage | 307V | |
| Max charge current | 20A | |
| Max discharge current | 100A | |
| Charge temperature range | 0ºC ~ 50ºC | |
| Discharge temperature range | -20ºC ~ 50ºC | |
| Cell charge end voltage | 3.6V | |
| Cell discharge end voltage | 2.7V | |
| Protection Function | Protection | Input reverse polarity, under voltage, over voltage, output over-current, short circuit, overheating etc. |
| Cooling method | Fan-cooled | |
| Degree of protection | IP20 (indoor) | |
| Mechanical Dimension | Depth × Width × Height | 645 x 891 x 767mm |
| Weight (Kg) | 378Kg | |
❓ Frequently Asked Questions
Q
What is the rated output power of the SPVLI-30KWH-INV15KW inverter?
The SPVLI-30KWH-INV15KW has a rated output power of 15KW, delivering three-phase (3 phase + N + PE) pure sine wave AC output at 380VAC with a phase current of 22.7A.
Q
What inverter efficiency does this system achieve?
The inverter achieves an efficiency of over 92%, with some configurations reaching 90–92% under half-load conditions, significantly reducing long-term electricity costs.
Q
What communication protocols does this system support for remote monitoring?
The system supports RS485, Modbus RTU, and CAN communication protocols, enabling real-time remote monitoring of DC input/output voltage, current, power status, and other key parameters.
Q
What protection features are built into this battery energy storage system?
The system includes comprehensive protection functions such as input reverse polarity, undervoltage, overvoltage, output overcurrent, short circuit, and overheating protection. It also features hard-switch protection for both input and output terminals.
Q
What is the operating temperature range for the lithium battery?
The lithium battery supports charging between 0ºC and 50ºC, and discharging between -20ºC and 50ºC, making it suitable for a wide range of environmental conditions.
Q
Can this inverter system be installed outdoors?
The standard SPVLI-30KWH-INV15KW unit carries an IP20 rating for indoor installation. However, select models in the product range offer an IP54 dust- and water-resistant rating, enabling outdoor installation and resistance to wind and rain.