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Liaoning Jinli Electric Power Electrical Appliance Co.,Ltd

Single Phase Round Tap Changer

Single Phase Round Tap Changer The terminal point round type single phase tap changers are de-energized, rotary-type switches, suitable for use in distribution transformers, both pole and pad mounted. The switches are mounted through the tank wall and are operable from outside the transformer....

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Product Details

Single Phase Round Tap Changer

The terminal point round type single phase tap changers are de-energized, rotary-type switches, suitable for use in distribution transformers, both pole and pad mounted. The switches are mounted through the tank wall and are operable from outside the transformer. They are available in single and multi-deck configurations with various types of coil lead connector styles so that they can be used in a wide variety of transformer applications. Ratings and performance features meet and often exceed the requirements of most transformer users.

The diverter switch and tap selector is the only internal moving parts in a transformer. The diverter switch does the entire on load making and breaking of currents, whereas the tap selector preselects the tap to which the diverter switch will transfer the load current. The tap selector operates off load and therefore needs no maintenance. However experience has shown that in some circumstances inspection of selector switches becomes necessary where contacts become misaligned or contact braids in fact.

Model Explanation
 WDP □ - □/□-□╳□
    W:  off-circuit
    D :  single phase
    P :  round type tap chager
    □:  voltage regulation model
    □:  rated current
    □:  rated voltage
    □:  number of tapping heads
    □:  number of tapping position
Voltage Regulation Model
    I  :  terminal point
    II :   central point
    III :  neutral point
   IV :  Y-△ conversion      

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