Transformer Switch /off-Circuit Tap Changer (Bar Form)
General
This type of tap changer is comprised by tap changer body and operating mechanism. It is suitable for oil-
immersed power transformer with frequency of 50, 60Hz, rated voltage 35kV and 110kV, rated current from 200
to 1500A. The tap changer s installed on tanking body and operating on tank cover. They must be working
under non-energized condition.
Lead's section and length of the bar switch
Rated Current (A) Lead's section mm2 Lead's Length (mm)
200 70 700
400 150
630 185
800 240
1000 (Double Lead) 185
1250(Double Lead) 185
1500(Double Lead) 240
Notice: If the customer has some special requirements, please detailed in ordering.
Technical parameters:
| Type of tap changer | Rated current (A) | Rated Voltage (kV) |
Range of voltage regulation | No. of phases |
Regulating positions |
Install Dimension (mm) | Holes on tank cover (mm) |
|||||
| L | L1 | L2 | H | H1 | ΦD | |||||||
| WDT II 200-400/35-4×3 | 200\400 | 35 | ±5% | 1 | Middle part | 656 | 396 | 72 | 73.5 | 24.5 | Φ107 | Φ80 |
| WDT II 630-800/35-4×3 | 630\800 | 100 | 34 | Φ127 | ||||||||
| WDT II 200-400/35-6×5 | 200\400 | ±2×2.5% | 800 | 540 | 72 | 73.5 | 24.5 | Φ107 | ||||
| WDT II 630-800/35-6×5 | 630\800 | 100 | 34 | Φ127 | ||||||||
| WDT II 200-400/35-8×7 | 200\400 | ±3×2% | 944 | 684 | 72 | 73.5 | 24.5 | Φ107 | ||||
| WDT II 630-800/35-8×7 | 630\800 | 100 | 34 | Φ127 | ||||||||
| WDT II 200-400/35-10×9 | 200\400 | ±4×1.25% | 1088 | 828 | 72 | 73.5 | 24.5 | Φ107 | ||||
| WDT II 630-800/35-10×9 | 630\800 | 100 | 34 | Φ127 | ||||||||
| WDT II 200-400/110-4×3 | 200\400 | 110 | ±5% | 728 | 468 | 96 | 73.5 | 24.5 | Φ107 | |||
| WDT II 630-800/110-4×3 | 630\800 | 100 | 34 | Φ127 | ||||||||
| WDT II 200-400/110-6×5 | 200\400 | ±2×2.5% | 920 | 660 | 96 | 73.5 | 24.5 | Φ107 | ||||
| WDT II 630-800/110-6×5 | 630\800 | 100 | 34 | Φ127 | ||||||||
| WDT II 200-400/110-8×7 | 200\400 | ±3×2% | 1112 | 852 | 96 | 73.5 | 24.5 | Φ107 | ||||
| WDT II 630-800/110-8×7 | 630\800 | 100 | 34 | Φ127 | ||||||||
| WDT II 200-400/110-10×9 | 200\400 | ±4×1.25% | 1304 | 1044 | 96 | 73.5 | 24.5 | Φ107 | ||||
| WDT II 630-800/110-10×9 | 630\800 | 100 | 34 | Φ127 | ||||||||
Company profile:
Main product line: Tap changer and HV switchgear
Tap changer manufacturing with fullest vertical integration
Tap Changer Products Range On-Load Tap Changer:
* Conventional OLTC for transformer with voltage up to 765kV
*Vacuum OLTC for oil transformer with voltage up to 765kV
*Vacuum OLTC for dry transformer with voltage of 72.5kV
Off-Circuit Tap Changer
* Application for the transformer with voltage up to 765kV
Our advantages:
Quality Assurance
--From the very beginning, VILLE ensures quality in every step to achieve the best quality.
Experience Sharing
--With more than 30 years' experience in power industry, VILLE brings you an optimized solution.
Global Service
--Wherever you are, VILLE global network will support and provide you with value.
Quick Response
--In response to your needs without delay, VILLE knows the value of your time.
Thanks for choosing VILLE as your reliable partner and
please trust both of us will create a brilliant future!
