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High Voltage Soft Starters from China Manufacturers: SHMV-YTG Series for Medium & High Voltage Motors - Trusted Suppliers and Factory Solutions
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High Voltage Soft Starters from China Manufacturers: SHMV-YTG Series for Medium & High Voltage Motors - Trusted Suppliers and Factory Solutions

The SHMV-YTG series high voltage solid state soft starter represents cutting-edge technology in electrical equipment developed using advanced third generation digital microprocessor control and modern power electronics. As a specialized solution for implementing soft starts for medium and high voltage large motors, this device offers the optimal step-down current limiting method for motor initiation, Manufactured in China, the SHMV-YTG soft starter is designed by experienced suppliers and factories to accommodate various load conditions, ensuring an enhanced starting performance. By facilitating a smooth start with the minimum current needed, it significantly mitigates voltage drops during grid activation, as well as reducing both current and mechanical shocks at startup, Additionally, when a soft stop is required, the SHMV-YTG delivers a controllable voltage that gradually decreases, allowing for a seamless motor shutdown. This innovative soft starter combines reliability and efficiency, making it an essential component for any industrial application seeking optimal motor control

    Structural Features

    The device consists of a handcart type vacuum circuit breaker, SHMV-YTG soft starter, and a bypass vacuum contactor.

    The cabinet is made of 2mm aluminum-zinc steel plate, processed by CNC numerical control equipment, and connected with high-strength bolts. The overall protection level is IP4X.

    The cabinet is divided into four separate functional unit compartments, followed by the trolley compartment room, the high voltage bus room, the high voltage cable room, and the high voltage soft starter room.

    The integrated cabinet design of high-voltage switch, soft-up cabinet and bypass cabinet is small in size, saves the space of the distribution room, and has the same power.

    The product is 30%-50% of the soft starter of other methods, and other equipment can be perfectly combined and cabinet installation.

    It is especially suitable for the technical transformation and replacement of the limited on-site location and the start-up products of similar manufacturers. (Switch cabinet split design is also optional)

    Applications

    Widely used in power systems, metallurgy, mining, petroleum, chemical, water treatment and other industries of high voltage squirrel-cage AC asynchronous & high-voltage synchronous motor. As a high voltage motor soft start, soft stop, control, and protection. Voltage range 3.3~10KV Controlled motor, power 220KW~5600KW.

    Performance and Parameters

    • Control mode: kick start, voltage ramp, constant current, speed control (Optional).
    • Starting mode: soft start, straight up, soft stop, free stop.
    • Operation mode: This cabinet, external control, communication remote control (optional).
    • Communication mode: RS 485 interface: Modbus protocol and Profibus protocol (optional).
    • Analog output: motor operating current, signal 0-10V or 4-20mA or 0-20mA.
    • Initial voltage: 10% to 50% (expandable to 5% to 80% Un).
    • Current limiting multiple: 100% to 400% In (expandable to 500% In).
    • Start, stop time: 1~30S (expandable to 90S).
    • Start jump: current, 70%-700% In (kick time 0~10S).
    • Parameter settings: 1--control panel button, 2--background communication settings.
    • LCD display: operating current, number of starts, running time and failure information and other parameters, default language: Chinese (English), German, French, and Western.
    • Noise: <80db.
    • Continuous start interval: In the ambient temperature greater than 40 °C, starting current is large at 400% In, the interval is not less than 30 minutes. When the temperature is low and the starting current is relatively small, the interval can be properly reduced, but at least it is 15 minutes.
    • Cooling method: Natural cooling.
    • Operating power: AC220V 50Hz 600VA (Special requirements require another put forward).
    • Main circuit power frequency withstand voltage: 42KV/1 minute (except power unit).
    • Protection Mode: Compound (see Protection Features). Protection class: IP42 (IP54 optional if special requirement).

    Working Environment and Conditions

    Air temperature around the equipment is running: -10°C~50°C. When storing: -20°C~70°C (stated when ordering in special circumstances).

    The relative humidity of the air around the equipment: no more than 95% at +50°C. At lower temperatures, greater relative humidity is allowed.

    The environment surrounding the equipment is free of explosion hazards and corrosive gases. Pollution level: ≤ 3 (up to 4).

    Altitude: < 1000m (expandable to 4000m).

    Vibration: Vibration conditions permitted at the installation site: The vibration frequency is 10Hz to 150Hz, and the vibration acceleration is not more than 0.5m/s².

    Main power supply: 10KV/50Hz three-phase voltage continuous fluctuation does not exceed -15%~+10%.

    The frequency fluctuation does not exceed ±5Hz; the rate of change of frequency does not exceed ±1% per second.

    Note: The black font part of the performance and parameters and working environment and conditions is a standard configuration. If there is any other requirement in the parentheses, the part in the text will be in the contract when ordering.

    High Voltage Soft Starter Integrated Cabinet System Diagram and Appearance

    Soft starter 202003 PriVersion3(1)-22.jpg

    Product Selection & Size

    The 2.3KV voltage level can be replaced with the product of 3.3kv voltage grade; 4.16kv and 6.6kv voltage grade can use 6kv voltage grade Product replacement. The soft starter must be selected based on the rated current on the motor nameplate (even if the motor is not running at full load). The corresponding KW value given in the table is for reference only. But pay attention to different voltage levels when the motor power is the same when the current is different, select type No. Please calculate the current according to the power before confirming.

    Model Voltage (KV) Current (A) Reference Power (KW) Dimensions WxDxH (mm)
    SHMV-YTG-3.3-50 3.3 50 220 1000X1500X2300 Standard;
    800X1500X2300 Customized
    SHMV-YTG-3.3-100 3.3 100 450
    SHMV-YTG-3.3-150 3.3 150 630
    SHMV-YTG-3.3-200 3.3 200 900 1000X1500X2300
    SHMV-YTG-3.3-300 3.3 300 1250 1000X1500X2300
    SHMV-YTG-3.3-400 3.3 400 1800 1200X1500X2300
    SHMV-YTG-6-50 6 50 400 1000X1500X2300 Standard;
    800X1500X2300 Customized
    SHMV-YTG-6-100 6 100 800
    SHMV-YTG-6-150 6 150 1250
    SHMV-YTG-6-200 6 200 1600 1000X1500X2300
    SHMV-YTG-6-300 6 300 2400 1000X1500X2300
    SHMV-YTG-6-400 6 400 3200 1200X1500X2300
    SHMV-YTG-10-50 10 50 690 1000X1500X2300 Standard;
    800X1500X2300 Customized
    SHMV-YTG-10-100 10 100 1400
    SHMV-YTG-10-150 10 150 2000
    SHMV-YTG-10-200 10 200 2800 1000X1500X2300
    SHRMV-YTG-10-300 10 300 4000 1000X1500X2300
    SHRMV-YTG-10-400 10 400 5600 1200X1500X2300
    Note: The above are some typical product data. The specific parameters are based on the actual product.
    Soft starter 202003 PriVersion3(1)-23.jpg

    Technical Indicators

    General Information

    Parameter Specification
    Main power supply Voltage: 2300V, 3300V, 4160V, 6000V~6900V, 10000V~11000V, +10% -15%
    Insulation level For 2300V, Insulation voltage as 6900V
    For 3300V, Insulation voltage as 9900V
    For 4160V, Insulation voltage as 12,500V
    For 6000~6900V, Insulation voltage as 19,500V
    For 10000~11000V, Insulation voltage as 32,500V
    Frequency 45~65Hz (frequency automatic adjustment)
    Control voltage 110~230 (V customized) +10% -15%
    Control input & output voltage Same with control voltage or customized: 24~230VAC/DC
    Load 3 phase 3 wire squirrel cage induction motor

    Working Parameters

    Parameter Specification
    Soft starter FLC The rated current of the starter can be found in the selection guide.
    Motor FLA The full load current of the motor can be selected between 33% and 100% of the starter FLC.
    Pump control curve 6 curves are optional to prevent overpressure during pump start and water hammer effect during stop.
    Pulse start With 70~700% FLA current pulse, adjustable pulse time: 0~10 seconds for starting high static friction load.
    Initial voltage(*) Can be set to 10-50% Un (10~80% Un can be provided with customized).
    Current limit(*) Can be set to 100-400% of motor FLA (can be extended to 100-500%).
    Start ramp up time(*) 1-30 seconds adjustable (can be extended to 1~90S).
    Stop ramp down time(*) 1-30 seconds adjustable (can be extended to 1~90S).
    Double adjustment About the start voltage, current limit, acceleration, deceleration time and dual start/stop parameter settings of the motor FLA.
    Speed feedback and linear increase 12 curves selectable to control motor speed linear gain by speed feedback.
    *Extensible range details contact factory

    Motor Protection

    Protection Type Description
    Start times limit The maximum allowable start times in the set start cycle: 1 to 10 starts in the 1 to 60 minute start cycle.
    Start prohibited After the "start over frequency" indication is given, the prohibited start time is adjustable from 1 to 60 mins, limit the restart.
    Long start time (stall protection)(*) If the motor has not reached the full beam within the set maximum start time 1~30 seconds (extended 1~90 seconds), the starter trip protection.
    Electronic fuse When the current reaches 850% FLA when starting, the current reaches 200%~850% FLA, and the starter trips in one cycle.
    Electronic overload (It) Can be set at 75%~150% FLA, the overload curve can be selected by setting the trip time, at 500% FLA for 1~10S can be set.
    Under current Main current drops below 20%~90% FLA, time delay is 1-40 seconds, starter trip protection. Main current drops below 20%-90% FLA, time delay is 1~40 seconds, starter trip protection.
    Under voltage(**) Main voltage drops below 50%~125% Un. time delay 1-10 seconds Starter trip protection.
    Over voltage The main voltage rises to more than 110%-125%, the time delay is 1-10 seconds, and the starter trips protection.
    Phase loss (low/high frequency) The starter trips when the mains 1 to 2 phases are missing or the frequency deviates from the normal frequency ±5 Hz.
    Phase sequence The starter trips when the phase sequence is incorrect.
    Wrong connection / shorted SCR If the motor fails to properly connect to the starter, or if there is a thyristor short-circuiting the starter, start prohibited.
    Heatsink overtemperature When the heat sink temperature is higher than 85°C, the starter trips.
    External fault The starter trips after 2 seconds when the external fault contact closes.
    External fault2 The starter trips after 2 seconds when the external fault contact closes.
    Current unbalance When the main loop current imbalance exceeds the set value and exceeds the delay time, the starter trip protection.
    Ground current fault When the ground current exceeds the set value, and the delay time exceeds the delay time, the starter trip protection.
    No start signal of main power(***) When starter is connected to the 3 phase main voltage and no soft start signal is added for over 30S, the starter trip protection is applied.
    Can't switch to bypass fault When starter motor enters full pressure, it cannot switch to bypass and starter trip protection. When starter motor enters full pressure, it cannot switch to bypass and starter trip protection.

    Frequently Asked Questions (FAQ)

    What are the core structural features of the SHMV-YTG soft starter cabinet?
    The device integrates a handcart type vacuum circuit breaker, the SHMV-YTG soft starter, and a bypass vacuum contactor. It features a space-saving design made of 2mm aluminum-zinc steel plate with an IP4X protection rating, divided into four separate functional compartments.
    What applications and motor types is this system designed for?
    It is widely used in power systems, metallurgy, mining, petroleum, chemical, and water treatment industries for high-voltage squirrel-cage AC asynchronous and high-voltage synchronous motors. It covers a voltage range of 3.3~10KV and motor power from 220KW to 5600KW.
    What are the main starting and control modes available?
    The device supports soft start, straight up, soft stop, and free stop starting modes. Control modes include kick start, voltage ramp, constant current, and optional speed control.
    What environmental conditions are required for optimal operation?
    It operates in temperatures between -10°C and 50°C (storage: -20°C to 70°C) with relative humidity up to 95% at +50°C. It is designed for altitudes under 1000m (expandable to 4000m) in environments free of explosion hazards and corrosive gases.
    What kind of built-in motor protection does the system offer?
    The cabinet features comprehensive protection configurations, including start times limit, electronic overload, under/over voltage, phase loss, phase sequence, wrong connection/shorted SCR, heatsink overtemperature, current unbalance, and ground current fault protection.
    How should the correct product model and cabinet size be selected?
    The soft starter must be selected based on the rated current on the motor nameplate (even if the motor is not running at full load). You should calculate the actual motor current according to the power before confirming the model selection.