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WST de-energized, triple-phase, linear tap changer (terminal voltage regulation). Opening dimensions Φ43

De-energized linear tap changer

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0102030405
tap changer

WST de-energized, triple-phase, linear tap changer (terminal voltage regulation). Opening dimensions Φ43

The tap changer is specifically designed for triple-phase oil-insulated transformers operating at frequencies of 50Hz and 60Hz. It is suitable for transformers with a maximum equipment voltage of 10kV and 24kV, and a rated through-current of 30A and 63A. The tap changer can be conveniently fixed on the transformer tank cover and replaced when the transformer is not energized.

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    product details

    Model Meaning

    xqatu

    Advantages

    1. The tap changer is designed to have a reasonable structure, small size, and low installation space requirements.
    2. The tap changer features a gear shifting design that provides flexibility, accurate positioning, and the ability to easily meet different requirements, resulting in efficient control.
    3. The tap changer is designed to have minimal contact resistance, which is essential for maintaining the stability and efficiency of the circuit.
    4. The tap changer is produced following standardized manufacturing processes and can be customized to suit individual requirements. It offers cost savings while ensuring the same level of quality.

    Technical Data

    Phases Triple
    Highest voltage for equipment 10kV、35kV
    Rated through-current 63A-300A
    Voltage regulation 0.025
    Tap positions 3～7

    Voltage Regulation Principle

    xq2pl5

    Outline

    xq3ern

    No. Model No. Regulating position Install dimension  mm
    L L1 L2 L3 L4 L5 H H1
    1 WSTⅠ63/10-3×3 Terminal point 617 232 199 59 99 24 100 78
    2 WSTⅠ125/10-3×3 665 248 215 59 107 29 100 78
    3 WSTⅠ250/10-3×3 665 248 215 67 112 29 102 78
    4 WSTⅠ63/35-3×3 686 266 211 59 103 24 120 98
    5 WSTⅠ125/35-3×3 735 284 228 59 107 34 120 98
    6 WSTⅠ250/35-3×3 735 284 228 59 112 34 122 98
    7 WSTⅠ63/10-5×5 760 280 247 59 99 24 100 78
    8 WSTⅠ125/10-5×5 839 306 273 59 107 29 100 78
    9 WSTⅠ250/10-5×5Z 925 349 316 67 112 29 102 78
    10 WSTⅠ300/10-5×5Z 976 362 330 67 112 34 105 78
    11 WSTⅠ63/35-5×5 830 314 259 59 103 24 120 98
    12 WSTⅠ125/35-5×5Z 1093 422 373 67 107 34 120 98
    13 WSTⅠ250/35-5×5Z 1093 422 373 67 112 34 122 98
    14 WSTⅠ300/35-5×5Z 1093 422 373 67 112 34 125 98
    15 WSTⅠ63/10-7×7 908 331 293 77 110 24 100 78
    16 WSTⅠ125/10-7×7T 1048 375 336 -- 118 29 100 78
    17 WSTⅠ250/10-7×7T 1048 375 336 -- 118 29 102 78

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