off-Circuit Capacity Regulating Tap Changer Circuit Switch
off-Circuit Capacity Regulating Tap Changer Circuit Switch image
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Basic Info.
Product Description
Introduction:
This type of tap changer is designed as step changeable facility used for capacity regulating transformer under
non-energized condition. It is suitable for three-phase oi-immersed capacity regulating with voltage rated 10kV
and below, rated capacity 315kVA and below. It can be connected in series and parallel system on LV and HV
windings or connected b star or delta method through which to realize transformer capacity changeable. By this
way we can reduce iron loss and increase transformer load efficiency and power factor avoiding the
phenomenon of “Big horse will drag small carriage”, and can be used to regulate voltage terminals.
Technical parameters:
Main performance parameter | Insulation Leve (kV) | Sealing performance (Pa/24h) | Machine Life(Ten thousand times) | Rated through current (A) |
Heat Stableness current (kA/2s) |
Dynamic stableness current (kA) | Moment of force (N@m) | Revalue of contact emperature (K) |
Value of Contact resistant (μΩ) | ||||||
Line-frequency ( 1 min ) | ( 1.2/50 μs) | ||||||||||||||
Rated Voltage class (Kv) | Wiring mode | To ground | Inter phase | Inter contactor | To ground | Inter phase |
Inter contactor |
||||||||
10 | Neutral point | 42 | 10 | 10 | 150 | 120 | 85 | 6×10 4 | 1 | 20 | 0.5 | 1.25 | ≤5 | ≤20 | ≤350 |
63 | 1.57 | 3.9 | |||||||||||||
Middle part | 42 | 42 | 18 | 150 | 150 | 85 | 125 | 2.5 | 6.25 | ≤10 | |||||
35 | Neutral point | 95 | 35 | 12 | 200 | 150 | 90 | 250 | 5 | 12.5 | |||||
Middle part | 95 | 95 | 30 | 200 | 200 | 90 | 400 | 6 | 15 | ≤15 | |||||
66 | Neutral point | 140 | 100 | 30 | 325 | 230 | 100 | 500 | 7.5 | 18.75 | |||||
Middle part | 140 | 140 | 45 | 325 | 325 | 150 | 630 | 9.45 | 23.6 | ≤20 | |||||
110 | Neutral point | 175 | 175 | 45 | 480 | 325 | 150 | 1000 | 10 | 25 | |||||
Middle part | 230 | 230 | 55 | 480 | 480 | 175 | 1250 | 12.5 | 31.25 | ||||||
220 | Middle part | 460 | 400 | 90 | 1050 | 1050 | 285 | 1600 | 16 | 40 | ≤50 | ||||
2000 | 20 | 50 |
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!
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