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Contact Person : Mr. Rao Lawrence
Company Name : Jiangshan Apperin Import & Export Co., Ltd.
Tel : 0086-0570-4073531
Fax : 0086-0570-4073531
Address : Zhejiang,Quzhou,Jiangshan,No.55, Jingxing Road, jiangshan city ,zhejiang province, P.R.China
Country/Region : China
Zip : 324100

220kv Grade Three-Phase Three-Windings Oil Immersed ONAN/ONAF Power Transformer

Product Detailed

1)High short-circuit resisting ability 2) Low on-load loss&partial discharge 3)high overload capacity 4)low temperature rise

220kv power transformer is used in 230kv or 252kv power system

220kv oil filled power transformer:

Feature:

220kv on-load tap changer power transformer is made of high-quality silicon-steel sheets,and laminated by steps,it is advantageous in low loss,low noise ,low voltage partial discharge and high anti short circuit capacity.the dynamical and thermal stability of this transformer ,of which the coils are winded by high-quality oxygen-free copper wire as well as used pre-compressing brackets processes and interior and exterior structure.the transformer tank used wave form shell.has very nice appearance ,the core is with D shape yoke and 45 angle seaming,the core and oil box are well fixed .

The technical parameter of the power transformer with OLTC high voltage transformer as follows:

Rated power(kVA)	High Voltage(kV)	H.V Tap range	Low Voltage(kV)	Connection Symbol	Short-Circuit Impedance(%)	No-load Loss(kW)			On-Load Loss(kW)			No-load Current(%)
Rated power(kVA)	High Voltage(kV)	H.V Tap range	Low Voltage(kV)	Connection Symbol	Short-Circuit Impedance(%)	9 Type	10 Type	11 Type	9 Type	10 Type	11 Type	No-load Current(%)
31500	220242	±8×1.25%±8×1.5%	6.3,6.6,10.5,11,20,34.5,35,37,38.5,66,69	YNd11	12~14	38	34	30	135	128	128	0.7
40000						45	41	36	157	149	149	0.63
50000						54	49	43	189	180	180	0.56
63000						63	57	50	220	209	209	0.56
90000						80	72	64	288	274	274	0.49
120000						99	89	79	346	329	329	0.49
150000						116	104	93	405	385	385	0.42
180000						135	122	108	468	445	445	0.42

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