Plastic Hand-wheel Tap-changer
-
Payment
-
Origin
China Mainland
-
Minimum Order
5
-
Packing
Pieces
- Contact Now Start Order
- Description
Product Detail
Plastic Hand-wheel Tap-changer
On load tap changers are the ones where taps in the transformers change automatically as per loads variations. The appropriate taps are selected by the transformers tap changers mechanism automatically in accordance with the loads and the voltage drops as a result to coop with the set or desired transformer turns ratio. There is always a wide variety of taps available in the transformer to meet the system requirements.
The off load tap changers are Non automatic and are those transformers where you can change the tap manually, if required, but with the transformer completely DE-energized.
Various special tap changers can be designed and manufactured according to requirement of customers. Our company is the first one in domestic market of China to invent and have fully independent proprietary intellectual property rights of intelligent on load capacity and voltage regulation technology professional manufacturer. The series of products has been identified by experts to fill in the domestic industry gap and reach the international advanced level. At present, this product has been stably operated in the state grid.
Model Explanation
WST ? - ?/?-???
W: off-circuit
S : three-phase or D for single phase
T : linear 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
V : series-parallel connection
Samples Technical Data
Specifications | WST 30 | WST 63 | WST 125 | WST 250 | WST 400 | WST 500 | |
Phase number | three-phases | ||||||
Connection mode | Central point(?) Neutral Point(?) Terminal Point(?) | ||||||
Rated through current(A) | 30 | 63 | 125 | 250 | 400 | 500 | |
Short-circuit capacity | Heat stableness current(KA/2s) | 0.7 | 1.6 | 2.5 | 3.75 | 4 | 5 |
Dynamic stableness current(KA) | 1.8 | 4 | 6.25 | 9.375 | 10 | 12.5 | |
Rated frequency | 50~60 | ||||||
Insulation level(KV) | Rated Voltage | 10KV | 20KV | 35KV | |||
Power-frequency withstand Voltage(50Hz/1min) | 42KV | 55KV | 95KV | ||||
Impulse(1.2/50µs) | 75KV | 125KV | 250KV | ||||
Sealing Performance(KPa/24h) | 60 | ||||||
Machine life(Thousands of times) | 2 |
- Series-parallel Automatic Cage Tap Changer 5 Pieces / (Min. Order)
- Star-Delta Conversion Cage Tap Changer 5 Pieces / (Min. Order)
- Three-phase Plate Tap-changer 5 Pieces / (Min. Order)
- Single Plate Tap Changer 5 Pieces / (Min. Order)
- Neutral Point Round Off Load Tap Changer 5 Pieces / (Min. Order)
- Central Round Tap Changer 5 Pieces / (Min. Order)
- Round Off Load Tap Changer 5 Pieces / (Min. Order)
- Off Load Tap-changer 5 Pieces / (Min. Order)
- De-energized Tap Changer 5 Pieces / (Min. Order)
- Non-excitation Tap Changer 5 Pieces / (Min. Order)
- On Load Tap-changer 5 Pieces / (Min. Order)
- On-load Tap-changer 5 Pieces / (Min. Order)