Type WSTZH2 Three Phase Off Load Tap Changer(star-delta delta connection)
- 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 | L | L1 | L2 | L4 | L5 | L6 | H | H1 | H2 | Regulating position |
3 | 10 kV | 63A | 478 | 188 | 145 | 99 | 24 | 34 | 180 | 78 | 70 | Y-△Central |
125A | 705 | 265 | 220 | 107 | 29 | 70 | 180 | 78 | 70 | |||
250A | 705 | 265 | 220 | 112 | 29 | 70 | 180 | 78 | 70 | |||
36 kV | 63A | 705 | 265 | 220 | 103 | 29 | 70 | 210 | 98 | 80 | ||
125A | 705 | 265 | 220 | 107 | 34 | 70 | 210 | 98 | 80 | |||
250A | 705 | 265 | 220 | 112 | 34 | 70 | 210 | 98 | 80 | |||
5 | 10 kV | 63A | 622 | 236 | 193 | 99 | 24 | 34 | 180 | 78 | 70 | |
125A | 705 | 265 | 220 | 107 | 29 | 70 | 180 | 78 | 70 | |||
250A | 705 | 265 | 220 | 112 | 29 | 70 | 180 | 78 | 70 | |||
36 kV | 63A | 755 | 285 | 235 | 103 | 29 | 70 | 210 | 98 | 80 | ||
125A | 784 | 290 | 247 | 107 | 34 | 70 | 210 | 98 | 80 | |||
250A | 784 | 290 | 247 | 112 | 34 | 70 | 210 | 98 | 80 |