Three-phase two-winding Off-Circuit Tap Changer Power Transformer 220KV
- 产品描述
-
Product Overview
This 220KV three-phase two-winding off-circuit tap-changing transformer is ideal for stable grids with minimal voltage adjustment needs. Its simple design ensures high reliability as a backbone transmission transformer.
Key Features
* Off-circuit tap-changing for simpler structure
* High dielectric strength for 220KV class
* Low losses for economical operation
* Easy maintenance and long service life
Rated capacity
(KVA)
Voltage combination
(KV)
Vector group
No-Load
Current
(%)
Loss(W)
Impedance voltage
(%)
HV
LV
No-
Load
Load
31500
220±2x2.5%
6.3/
6.6/
10.5/
11
Dyn11
OR
Yyn0
0.60
22000
122000
12-14
40000
0.60
26000
142000
50000
0.55
31000
170000
63000
0.55
37000
199000
75000
0.50
42000
225000
90000
0.50
49000
259000
120000
0.45
60000
321000
150000
0.45
71000
380000
160000
0.45
74000
399000
180000
0.40
82000
436000
240000
0.40
102000
511000
Above mentioned parameter are only for reference, Hosun is able to design products according to specific requirements from end users.
Keywords:
Three-phase two-winding Off-Circuit Tap Changer Power Transformer 220KV















