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    15 kVA 3 phase AC Automatic Voltage Stabilizer

    15 kVA capacity full automatic voltage stabilizer with reasonal price, default 3 phase 380V output voltage, input voltage range is 380V±20% tolerance, high output accuracy up to ±1%. Input/ output voltage is customizable.
    SKU: ATO-AVS-3P15K
    Delivery date: 6-20 days

    Three-phase high precision full automatic 15kVA AC voltage stabilizer is composed of regulator, servo motor, automatic control circuit. When the voltage of the power grid is not stable or the load varies, the automatic sampling control circuit makes a signal to drive the servo motor to adjust the position of the carbon brush of the regulator as to make the output voltage stable.

    15 kVA Voltage Stabilizer Specifications

    Model Number ATOTNS-15K
    Capacity 15 kVA
    Phase 3 Phase 4-line
    Input Voltage Range ±15% tolerance for all standard output voltages above 380V.
    ±20% tolerance for required 380V output and all standard voltages below.
    Output Voltage 3 phase 380V (Optional: 110V/ 120V/ 208V/ 220V/ 230V/ 240V/ 400V/ 415V/ 440V/ 460V/ 480V)
    Output Accuracy ±2~4%/ ±1% (Optional)
    Frequency 50Hz/60Hz
    Current Type AC
    Efficiency ≥95%
    Response Time ≤1.5S
    Ambient Temperature -15°C~+40°C
    Cooling Method Naturally air cooled
    Insulation Resistance ≥5MΩ
    Electricalintensity Without breakdown and flashover phenomena at power frequency sine voltage 2000V for 1 min
    Overload Capacity Overload current (%) Duration (min)
    20 ≤60
    40 ≤15
    60 ≤5
    Waveform Distortion Non-lack fidelity waveform
    Protection Over-voltage, over-current, feed phases
    Protection Grade IP 24
    Warranty 24 months
    Certificate ISO9001:2008, PCT, SGS, CE
    Weight 115 Kg
    Package Size 450x370x790 mm

    3 Phase Voltage Stabilizer Schematic Diagram3 phase voltage stabilizer schematic diagram

    Tips: How to select a right voltage stabilizer?

    It depends on the type of electrical equipment you use. Generally, the load is not purely resistive. Therefore, in the actual selection, the regulated power supply shall be reasonably selected according to the rated power, power factor and load type of the electrical equipment. And the output power shall be reserved with appropriate margin, especially for the impact load selection, the margin shall be larger, and the specific selection is as follows:

    1. For pure resistive load such as incandescent lamp, resistance wire, electric furnace and other equipment, the power of the voltage regulator shall be 1.5-2 times of the power of the load equipment.
    2. Inductive and capacitive loads such as fluorescent lamps, fans, motors, water pumps, air conditioners, computers, refrigerators, etc. The power of the regulator shall be 3 times the power of the load equipment.
    3. Under the condition of large inductive and capacitive load, the starting current of the load should be considered to be very large (up to 5-8 times of the rated current), so the power of the voltage regulator should be more than 3 times of the load power.
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