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CMV Series Soft Starter for High-Voltage Motors - Reliable China Suppliers & Factory for Efficient Control

Introducing the CMV series soft-start device, a cutting-edge solution designed in China for efficiently starting, controlling, protecting, and smoothly stopping high-voltage squirrel-cage asynchronous and synchronous motors. As a leader among suppliers in the industry, our factory produces intelligent equipment that boasts high performance, multifunctionality, and enhanced safety.

✔ Powered by a 32-bit ARM core microprocessor, this device features optical fiber drive technology and offers multiple dynamic and static voltage equalization protection;

✔ Effectively reduces the starting impulse current of motors, minimizing the impact on both the power grid and the motors themselves;

✔ Alleviates the stress on mechanical equipment, prolonging service life while reducing failures and minimizing downtime.


Mains Voltage: 3kV ~ 10kV

Frequency: 50/60Hz±2Hz

Communication: Modbus RTU/TCP, RS485

    Features

    Multiple Triggering Methods

    The combination of single-phase optical fiber and multi-point electromagnetic triggering technology enables safe and reliable isolation between the high-voltage thyristor trigger detection and the low-voltage control loop.

    Friendly Human-Machine Interface

    Chinese/English LCD or touch screen display system with a user-friendly operation interface.

    Different Control Methods

    Adjust according to load characteristics to meet the precise requirements of on-site working conditions.

    Highly Reliable Redundant Design

    In the event of a fault, the internal vacuum contactor can be utilized to directly start the motor, ensuring uninterrupted production.

    Strong Anti-Interference Ability

    Strict EMC electromagnetic compatibility, high and low temperature aging experiments, and standardized design and manufacturing.

    Patented Radiator Design

    Greatly improves heat dissipation efficiency, ensures the safe operation of thyristors, and extends the equipment's service life.

    Remote Communication

    The Modbus communication function allows for remote monitoring and start-stop control. Users can view the operating status and parameters of the motor through the background system.

    Basic Parameters

    Basic Parameters
    Type of load Three-phase squirrel-cage asynchronous motor and synchronous motor
    AC voltage 3000 ~ 10000VAC
    Working frequency 50HZ/60HZ ± 2HZ
    Phase sequence CMV is allowed to work with any phase sequence (can be set by parameter)
    Composition of major loop (12SCRS, 18SCRS, 30SCRS depend on model)
    Bypass Contactor Contactor with direct starting capacity
    Control power AC/DC (110-220V) ±15%
    Transient overvoltage protection dv/dt absorption network
    Start frequency 1-6 times/hour
    Ambient condition Ambient temperature: -20 ~ +50℃
    Relative humidity: 5%--95% non-condensing
    Altitude less than 1500m (derating when altitude is more than 1500m)
    Protective Functions
    Phase-loss protection Cut off any phase of main power supply in the course of starting or operation
    Overcurrent protection in operation Setting: 20 ~ 500%le
    Phase current unbalance protection 0 ~ 100%
    Overload protection Overload protection level: 10A, 10, 15, 20, 25, 30, OFF
    Underload protection Underload protection level: 0 ~ 99%; Action time: 0 ~ 250S
    Start timeout Start time limit: 0 ~ 120S
    Overvoltage protection Start when the main power supply voltage is higher than 120% of the rated value.
    Under-voltage protection Start when the main power supply voltage is lower than 70% of the rated value.
    Phase sequence protection Allows to work under any phase sequence (can be set by parameters)
    Ground protection Start when the ground current is greater than the set value.
    Description of Communication
    Communication protocol Modbus RTU
    Communication interface RS 485
    Network connection Each CMV can communicate with 31 CMV devices
    Function Through the communication interface, you can observe the running status and program
    Operating Interface
    Keyboard box LCD display LCD (liquid crystal) display / Touch screen display
    Language Chinese / English / Russian
    Keyboard 6 touch membrane keys
    Touch screen RTS (ResistiveTouchScreen), Display and modify parameters
    Meter Display
    Voltage of main power supply Displays the voltage of the 3-phase main power supply
    Three-phase current Displays the current of the 3-phase main circuit
    Data Record
    Fault record Record the latest 15 fault information
    Start times record Record the start times of the device

    Model Specifications

    CMV Solid-state Soft Starter (2)4qv
    Rated Voltage Model Rated Current (A) Size (mm)
    CMV-G CMV-S CMV-E
    3kV CMV-400-3 100 1000*1500*2300
    CMV-630-3 150
    CMV-710-3 170
    CMV-1300-3 320
    CMV-1600-3 400 1300*1660*2300 / /
    CMV-2400-3 577
    6kV CMV-420-6 50 1000(800)*1500*2300
    CMV-630-6 75
    CMV-1250-6 150
    CMV-1400-6 160 1000*1500*2300
    CMV-1600-6 200
    CMV-2500-6 300
    CMV-2650-6 320
    CMV-3300-6 400 1300*1660*2300 / /
    CMV-4150-6 500
    CMV-4800-6 577
    CMV-5000-6 601
    CMV-5500-6 661 3000*1500*2300
    CMV-6000-6 722
    CMV-6500-6 782
    CMV-7200-6 866
    10kV CMV-420-10 30 1000(800)*1500*2300
    CMV-630-10 45
    CMV-800-10 60
    CMV-1250-10 90
    CMV-1500-10 110
    CMV-1800-10 130
    CMV-2250-10 160 1000*1500*2300
    CMV-2500-10 180
    CMV-2800-10 200
    CMV-3500-10 250
    CMV-4000-10 280
    CMV-4500-10 320
    CMV-5500-10 400 1300*1660*2300 / /
    CMV-6000-10 430
    CMV-7000-10 500
    CMV-8000-10 577
    CMV-9000-10 650 3000*1500*2300
    CMV-10000-10 722
    CMV-12500-10 902

    In addition to the above-standard cabinet, we can provide customers with non-standard, customized products.

    The size of the product is subject to the actual product!

    CMV soft starter front view5p8
    CMV soft starter inside viewby2

    Frequently Asked Questions

    Q1 What types of motors are compatible with the CMV Solid-state Soft Starter?

    The CMV Soft Starter is designed for three-phase squirrel-cage asynchronous motors and synchronous motors operating at AC voltages between 3000V and 10000VAC.

    Q2 What triggering technology is used to ensure safe electrical isolation?

    It integrates single-phase optical fiber and multi-point electromagnetic triggering technology to provide safe, reliable galvanic isolation between high-voltage thyristor trigger detection and low-voltage control loops.

    Q3 How does the redundant bypass design ensure continuous operation?

    In the event of a fault, the built-in vacuum bypass contactor can directly start the motor, preventing unexpected downtime and ensuring uninterrupted industrial production.

    Q4 What communication protocols and remote monitoring options are supported?

    It features standard Modbus RTU protocol via an RS-485 interface, allowing up to 31 CMV units to network for remote start-stop control, parameter adjustment, and real-time status monitoring.

    Q5 What comprehensive protective features are built into the system?

    The system features phase-loss protection, operational overcurrent, phase current unbalance, overload/underload protection, start timeout limit, overvoltage/undervoltage protection, and ground fault protection.

    Q6 Are customized or non-standard cabinet dimensions available?

    Yes, in addition to standard cabinet specifications, non-standard custom engineered designs are available to meet specific customer requirements and on-site spatial constraints.

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