Type WSTZH2 Three Phase Off Load Tap Changer(star-delta delta connection)

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  • Details

The de-energized three-phase linear series-parallel connection,star-delta exchange, with voltage-regulation combined tap-changers can meet the switching requirements of different voltages in the power and transmission.


Type WSTZH2 three phase-tap changer(star-delta  delta connection)

- Used in mineral oil or silicon oil

- Rated voltage 10KV-35KV

- Rated current from 63A-250A

- Tapping position:3-5

- Regulation 2.5% per position


Model Explanation 
WST □ - □/□-□╳□
W: off-circuit
S : three-phase or D for single phase
T : linear type tap changer
□: 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
V : series-parallel connection

Our Advantage

* High pressure capability
* Strong anti-aging ability
* Strong anti-lightning impact
* Strong protection
* Use smoothly
* Stable use

Number of
positions
Rated
voltage
Rated
current
LL1L2  L4L5L6HH1H2Regulating
position
310 kV63A478188145  9924341807870Y-△Central
125A705265220 10729701807870
250A705265220 11229701807870
36 kV63A705265220 10329702109880
125A705265220 10734702109880
250A705265220 11234702109880
510 kV63A622236193  9924341807870
125A705265220 10729701807870
250A705265220 11229701807870
36 kV63A755285235 10329702109880
125A784290247 10734702109880
250A784290247 11234702109880


 




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