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Power Transformer Series

ZPSFG Series Dry-type Transformer for Frequency Variation Speed Control

The insulation class of the ZPSFG Series Dry Type Transformer for Frequency Variation Speed Control is Grade H. It adopts the high-tech DuPont NOMEX paper as the insulation material; the structure and electrical design are conducted with the advanced technology and process. The iron core material of the series product is the high-quality cold rolled oriented silicon steel sheet; the grid side and valve side coil is wound with the high-quality oxygen-free copper conductor, and VPI vacuum pressure lacquer curing process is adopted for treatment. The product performance indicators shall completely conform to requirements in JB/T 8636-1997 Industrial Standards and IEC61378 International Standards.

  • Model Description:

    Technical Parameters:

    Product ModelGrid Side WindingValve Side WindingShort-circuit Impedance  %
    Voltage (kV)Tapping RangeWiring MethodPhase Shift Coil Unit and Group Number
    ZPSFG-250/66±5%Y or DUnit number (4 or 7) group number 36～8
    ZPSFG-300/6
    ZPSFG-400/6
    ZPSFG-500/6
    ZPSFG-680/6
    ZPSFG-750/6
    ZPSFG-850/6
    ZPSFG-1000/6
    ZPSFG-1250/6
    ZPSFG-1500/6
    ZPSFG-1750/6
    ZPSFG-2250/6
    ZPSFG-2500/6

         

  • Product Model

    Exterior Dimensions

    Weight

    (L × W × H)

    (kg)

    ZPSFG-250/6

    1400×880×1250

    1100

    ZPSFG-300/6

    1450×880×1300

    1330

    ZPSFG-400/6

    1480×880×1300

    1580

    ZPSFG-500/6

    1480×880×1500

    1850

    ZPSFG-680/6

    1500×880×1630

    2220

    ZPSFG-750/6

    1500×880×1650

    2400

    ZPSFG-850/6

    1520×960×1650

    2700

    ZPSFG-1000/6

    1520×1000×1650

    3000

    ZPSFG-1250/6

    1550×1000×1680

    3500

    ZPSFG-1500/6

    1580×1040×1850

    3900

    ZPSFG-1750/6

    1650×1040×1900

    4150

    ZPSFG-2250/6

    1850×1040×1900

    5000

    ZPSFG-2500/6

    1860×1040×1950

    5300

  • 1. The high-quality cold-rolled silicon steel sheet is adopted for the iron core. It uses a 450 fully-beveled seam, 3-step overlapping, which can effectively reduce the no-load loss, no-load current, and noise.

    2. The grid and valve sides winding shall be Level H insulation, thermal endurance class 1800C/356°F, the coil is wound with oxygen-free copper wire wrapped with nomex paper. A special process and structure are adopted, and it is immersed in paint with VPI vacuum pressure for high-temperature curing, which not only improves mechanical strength of the product, but also enables it to have a overload capability to withstand shock cooling and heating.

    3. The cooling mode is air cooling, and the thermostat is equipped to achieve fan start-stop, overtemperature alarm trip and other functions.

    4. The valve side winding with multi-phase phase shift is rectified and has a large number of pulse waves in one cycle, which can effectively reduce pollution of harmonic wave on power grid.

  • 1. The elevation shall not exceed 1,000m

    2. Ambient Temperature          Maximum temperature                               +40℃/104°F

                                                    Maximum daily average temperature         +30℃/86°F 

                                                    Maximum annual average temperature      +20℃/68°F

                                                    Minimum temperature                                 -5℃/23°F (applicable for the indoor transformer)

    3. The transformer shall be not be soaked in water, rain and snow during use

    4. The supply voltage waveform shall be similar to sine wave, and the supply voltage connected with the multi-phase transformer shall be approximately symmetrical

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  • Address 813 46th Street East, Saskatoon, Saskatchewan S7K 0X1, Canada
  • PhoneChina:15234310529，Canada:+1 (306) 713-2408
  • FaxChina：+86 （0）353-4909788
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  • Address813 46th Street East, Saskatoon, Saskatchewan S7K 0X1, Canada
  • PhoneChina:15234310529， Canada:+1 (306) 713-2408
  • FaxChina：+86 （0）353-4909788
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