80 MVA three phase 220kv Toroidal power substation transformer

60 ~220 kV power system of power plant, substation, mining enterprise and etc. Place of Origin: Zhejiang, China (Mainland) Brand Name: TRANS Model Number: SFZ11-80MVA/220KV

Product Details Company Profile

Description

Place of Origin: Zhejiang, China (Mainland)
Brand Name: TRANS
Model Number: SFZ11-80MVA/220KV
Usage: Power
Phase: Three
Coil Structure: Toroidal
Coil Number: Autotransformer
winding material: new copper
Iron core: new grain oriented silicon sheet
standards: IEC, ANSI, BS, GB
Bolts & nuts: stainless steel
Cooling method: ONAN / ONAF
Regulation method: OLTC
Transportation: with oil or with nitrogen

Features:

1) Amount of local discharged: The apparent discharge amount is less than 80pC under 1.5 times of rated voltage;

2) Noise: Products of 63MVA and below is lower than 58 dB (AN);

3) Power loss: no-load loss is 30% lower than that of IEC standard;

4) Reliability: All in-service products have no damages or oil leakage occurred;

Application:

60 ~220 kV power system of power plant, substation, mining enterprise and etc.

Main Technical Parameters for three-phase two winding OLTC step up transformer:

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	220 242	±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