Hot Products
China Suppliers Factory: High-Performance Single-Phase to Three-Phase Power Amplifiers for Enhanced Power Efficiency
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.
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 | 645x891x767mm |
| Weight (Kg) | 378Kg | |
