

China Factory Suppliers: High-Efficiency Single-to-Three-Phase Power Amplifiers for Enhanced Performance
Introducing our cutting-edge single-to-three-phase amplifier, a powerful electronic device designed to efficiently convert single-phase AC power into a balanced three-phase output. This innovative solution, developed in China, is ideal for various applications and showcases numerous technical advantages, including enhanced power factor, optimized voltage stability, and effective resolution of three-phase imbalances. As a leading manufacturer and supplier in the industry, our factory takes pride in delivering high-quality products that meet the needs of diverse sectors. Choose our single-to-three-phase amplifier to elevate your power management capabilities and ensure seamless operation in your applications
AC Input: 220VAC
AC Output: 380VAC
Output Power: 15KW
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.
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.
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.
| 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 | |
What is the rated output power of the SPVLI-30KWH-INV15KW inverter?
What inverter efficiency does this system achieve?
What communication protocols does this system support for remote monitoring?
What protection features are built into this battery energy storage system?
What is the operating temperature range for the lithium battery?
Can this inverter system be installed outdoors?
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