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  • Index >Products > LS-MV inverter

    Products

    LS-MV inverter

    Model No.: LS-MV (Hight Voltage Inverter)

    Introductiom :

    Long Shenq Electronic has always been focusing on the R&D and high-efficiency utilization of green energy sources. The LS-MV medium voltage inverter is an IGBT medium voltage inverter developed and manufactured by Long Shenq Electronic based on the leading power electronics technologies of Emerson Network Power . With the SPWM (Sinusoidal PWM) control, it realizes variable frequency speed regulation control on the medium voltage motors, so as to enhance the variable-speed operation, increase the control level, power factor and operating efficiency of medium voltage drive system, meet requirements on technical control, reduce motor energy consumption and realize energy saving and environment protection.

    Description

     

    Item

    Parameter

    Output

    Applicable Motor

    Common Three-Phase Motor

    Voltage Range

    0 to 3 /6 /10 kV

    Frequency Range

    0 to 120 Hz

    System Efficiency

    > 97%

    Harmonic Content

    Complies with the China national standard GB/T 14549-93 and the electric energy quality standard IEEE519-1992

    Overload Capacity

    150% of the rated current: 60s; 200% of the rated current: 1s

    For data about any higher overload capacity, please consult Long Shenq Electronic CO., Ltd.

    Input

    Rated Voltage and Range

    3 /6 /10 kV (+15% to -45%)

    Rated Frequency and

    Range

    50 Hz±10%

    Total Current Harmonic

    Complies with the China national standard GB/T 14549-93 and the electric energy quality standard IEEE519-1992

    Power Factor

    > 0.99

    Control

    Characteristics

    Control Mode

    VC with a speed sensor

    Frequency Resolution

    Analog: 0.1% x Set maximum frequency; digital: 0.01 Hz

    Speed Precision

    ±0.5%

    Speed Regulation Range

    1:100

    Torque Control Response

    < 150 ms

    Starting Torque

    0.1 Hz, 200% of rated torque

    Voltage Unbalance Rate

    <±3%

    System

    Parameters

    Control Power

    AC 380 V, three-phase four-wire system

    Protection Level

    IP31 (or tailor-made higher protection levels)

    Cooling Mode

    Forced air cooling

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