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Variable Frequency Drive VFD Motor Soft Starters For Electronic 50Hz

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Guangdong Zhufeng Electric Co., Ltd.

City: guangzhou

Province/State:guangdong

Country/Region:china

Tel:86--13829778525

Contact Person:
Miss.Seven
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Variable Frequency Drive VFD Motor Soft Starters For Electronic 50Hz

Brand Name ZFeng
Model Number ZF-R Series
Certification CE、CB、CCC、ISO9001、ISO14001、ISO45001、EN61439、EN61000
Payment Terms L/C,D/A,D/P,T/T,Western Union,MoneyGram
Supply Ability 500-10000 per Month
Delivery Time 3 days
Packaging Details Carton and Plywood box packaging
Voltage 3.6kV ~ 12kV
Power 250 ~ 16000KW
Operating Voltage AC/DC 220V
Soft Stop Time 0 ~ 30s
Current According to Motor Power and Load
Modbus RS-485
Noise less than 70dB
Detailed Product Description

ZF-R Series Variable Frequency Motor Soft Starter

Variable Frequency Soft Start is a motor control method that combines variable frequency technology with soft start technology, aiming to achieve smooth, low-impact motor starting and efficient, flexible operation during runtime. The following provides a detailed introduction from the aspects of technical principles, advantages, and application scenarios.


I. Technical Principles

  1. Variable Frequency Technology
    Converts fixed-frequency alternating current (e.g., 50Hz) into adjustable-frequency AC through a variable frequency drive (VFD), thereby controlling motor speed. The VFD adjusts output voltage and frequency to achieve smooth motor acceleration, speed regulation, and deceleration.

  2. Soft Start Technology
    Limits inrush current during motor startup, gradually accelerating the motor from rest to rated speed. This is typically achieved by controlling the voltage ramp rate or using current-limiting methods to avoid excessive impact on the power grid and motor.

  3. Integration of Variable Frequency and Soft Start
    During startup, the VFD gradually increases voltage and frequency to smoothly accelerate the motor. During operation, speed regulation is achieved by adjusting the frequency. This approach avoids large inrush currents during direct startup and ensures smooth motor startup and efficient operation.


II. Advantages

  1. Smooth Startup
    Gradually increases motor current and torque during startup, avoiding inrush currents associated with direct startup and extending the lifespan of the motor and load.

  2. Energy Efficiency
    Adjusts motor speed based on load requirements during operation, reducing unnecessary energy consumption and improving system efficiency.

  3. Flexible Speed Regulation
    Enables stepless speed regulation of the motor via the VFD, meeting operational needs under various conditions.

  4. Comprehensive Protection
    Includes overload, overcurrent, undervoltage, and overvoltage protection to ensure safe operation of the motor and equipment.

  5. Reduced Mechanical Stress
    Smooth startup reduces impact on mechanical transmission systems, minimizing equipment wear and failure rates.


III. Application Scenarios

  1. Fans and Pumps
    Variable frequency soft start enables precise control of airflow and flow rate, avoiding impacts on pipelines and equipment associated with traditional startup methods.

  2. Compressors
    Reduces startup current during compressor startup, minimizing grid impact, and ensuring smooth compressor operation.

  3. Conveyors and Elevators
    Provides smooth startup and speed regulation for conveyors, reducing material slippage and equipment wear.

  4. Machine Tools and Textile Machinery
    Offers stable speed and torque in applications requiring precise speed regulation, enhancing processing accuracy and production efficiency.

  5. Oil and Chemical Industries
    Used for pumps, fans, and other equipment to meet precise control requirements for flow and pressure in industrial processes.

Product Tags: Variable Frequency Motor Soft Starters   50Hz Motor Soft Starters   VFD electronic soft starter  
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