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Single-Phase to Three-Phase Power Amplifiers from China Suppliers | High-Performance Factory Solutions

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Single-Phase to Three-Phase Power Amplifiers from China Suppliers | High-Performance Factory Solutions

Introducing our high-performance single-to-three-phase amplifier, a cutting-edge power electronic device designed to convert single-phase AC power into a balanced three-phase output. Manufactured in China, this amplifier stands out among suppliers for its exceptional ability to enhance power factor and optimize voltage stability, addressing any issues related to three-phase imbalance effectively. Ideal for various industrial applications, our factory ensures rigorous quality control and innovative technology, making it a reliable choice for businesses seeking efficiency and performance in power conversion solutions
  • 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.

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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

645×891×767mm

Weight (Kg)

378Kg

battery-energy-storage-system-1.jpg
Frequently Asked Questions
What is the rated output power of the SPVLI-30KWH-INV15KW?
The SPVLI-30KWH-INV15KW has a rated output power of 15KW, delivering three-phase AC output at 380VAC with a pure sine wave waveform.
What type of isolation does this inverter use?
This unit uses a Low Frequency Transformer for isolation, which helps minimize the impact of load fluctuations, suppress high-frequency interference, and enhance overall system stability.
What protection features are included in this battery energy storage system?
The system includes comprehensive protection functions such as input reverse polarity protection, undervoltage, overvoltage, output over-current, short circuit, and overheating protection. It also features hard-switch protection for both input and output sides.
What communication protocols does the 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 more for efficient operation and maintenance.
What is the operating temperature range for charging and discharging?
The lithium battery can be charged within a temperature range of 0ºC to 50ºC, and discharged within a wider range of -20ºC to 50ºC, making it suitable for various environmental conditions.
What are the dimensions and weight of the SPVLI-30KWH-INV15KW unit?
The unit measures 645×891×767mm (Depth × Width × Height) and weighs approximately 378Kg. It features an IP20 protection rating for indoor installation and uses an intelligent fan-cooled thermal management system.

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