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Static Converter for 3-Phase Motor​

A Static Frequency Converter is a device used to convert the frequency of an electrical power source to match the requirements of a load. When it comes to 3-phase motors, SFCs play a critical role in enabling the motors to operate efficiently under different conditions.
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Product Name

General Purpose Vector Frequency Converter

Power Specifications

0.75KW - 22KW

Rated Voltage

380V

Input Voltage

±15%

Input Frequency

50Hz

Cooling Level

Air-cooled with fan control

Low Frequency Output

0-300Hz

High Frequency Output

0-3000Hz

Control Mode

V/F control, advanced V/F control,

V/F separation control, current vector control

Protection

Over-current, over-voltage and under-voltage, module fault, over-heat, short circuit, input and output lack of phase, abnormal motor parameter regulation, electronic thermal relay, ect.


Product Overview


The Static Converter for 3-Phase Motor represents a reliable power conversion solution designed to enable three-phase motor operation from single-phase power sources in industrial and commercial applications. This advanced electronic device converts standard single-phase AC power into balanced three-phase output, eliminating the need for expensive three-phase power installations or bulky motor-generator sets. Unlike traditional rotary converters, this static solution utilizes solid-state electronics to provide clean, stable three-phase power with superior efficiency and reliability. Compliant with IEC 60664 and EN 61558 standards, the converter supports a wide range of three-phase motors, making it ideal for applications where three-phase power is unavailable or cost-prohibitive. Its compact design, silent operation, and robust construction make it suitable for diverse operating environments.


Product Features


Efficient Power Conversion

Converts single-phase input to balanced three-phase output with conversion efficiency exceeding 96% across 30-100% load range, minimizing energy losses compared to rotary converters (typically 80-85% efficient).


Balanced Three-Phase Output

Advanced phase correction technology ensures phase imbalance less than 3% under full load conditions, preventing motor overheating and performance issues associated with unbalanced power supplies.


Compact and Silent Operation

With no moving parts, the static converter operates silently (less than 55dB) and features a footprint 60% smaller than equivalent rotary converters, saving valuable floor space in industrial settings.


Comprehensive Protection Systems

Equipped with multi-layer protection including overvoltage, undervoltage, overcurrent, short circuit, and thermal protection. The converter automatically shuts down during fault conditions to prevent damage to connected equipment.


Applications


Small Manufacturing Facilities

Enables operation of three-phase machinery such as lathes, milling machines, and drill presses in small workshops and manufacturing facilities where three-phase power is unavailable.


Agricultural Applications

Powers three-phase motors in irrigation pumps, grain processing equipment, and ventilation systems on farms and rural facilities, where three-phase power infrastructure is often limited.


Commercial Kitchen Equipment

Converts single-phase power to operate three-phase motors in commercial refrigeration systems, mixers, and food processing equipment in restaurants and food service facilities.


Remote Construction Sites

Provides temporary three-phase power for construction equipment, concrete mixers, and power tools at remote job sites where permanent three-phase power is not available.


FAQ


What input and output voltages does the converter support?

The converter accepts standard single-phase input voltages of 200V to 240V AC (50/60Hz) and converts them to three-phase output voltages of 200V, 220V, 380V, or 400V AC (selectable based on model), compatible with most three-phase motors.

What size motors can the converter handle?

Available models support three-phase motors ranging from 0.75kW to 45kW (1HP to 60HP), making it suitable for small to medium-sized industrial equipment and machinery.

How does the static converter compare to rotary converters?

Static converters offer higher efficiency (96% vs. 80-85%), silent operation, smaller footprint, lower maintenance requirements, and faster response to load changes compared to traditional rotary converters.

Can the converter start heavy loads?

Yes, the converter features a heavy-duty startup mode that provides 150% of rated current for up to 60 seconds, enabling reliable starting of motors with high inertia loads such as compressors and pumps.

What is the installation process for the converter?

The converter is designed for simple installation by qualified electricians, typically requiring less than 2 hours. It includes clear wiring diagrams and a user-friendly interface for quick configuration.

What environmental conditions can the converter withstand?

Housed in an IP54-rated enclosure, the converter operates reliably in ambient temperatures from -10°C to 50°C (14°F to 122°F), with relative humidity up to 95% (non-condensing), making it suitable for harsh industrial environments.


Static Converter for 3-Phase Motor

Product Category

Our factory focuses on the production and development of frequency converters and soft start devices, which are widely used in the fields of automation control and energy management, helping enterprises improve energy efficiency and reduce energy consumption.

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WhatsApp: +8613456090727
Skype: +86-13456090727
Tel: +86-400-080-0075
Phone: +86-13456090727
Add: No.3 Jinmao Road,Wenyang District,Yueqing City,Wenzhou City,Zhejiang Province, China 325600
 

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