Origin	China
Model Number	110KV transformer
Brand Name	Zhongyan
Coil Structure	Toroidal
Phase	Three
Usage	Power

110kV Three Phase On-load Power Transformer

1 General
66kV power transformer are comply with IEC Standards :
IEC 76.11993
IEC 76.21993
IEC 600763:2000
IEC 600765:2000

2 Model and Designation

IP Level (generally omitted, THmoist heat, TAdry heat)

HV Rated Voltage(KV)
Rated Capacity KVA
Design No.9.10
Method of Voltage RegulationNVTC omitted, Z-OLTC)

Conductor Material (Copper omitted, L-aluminum)

Winding Numbers (twowinding omitted, Sthreewinding, FSplit transformer)

Oil Circulation Mode (Natural circulation omitted, P-forced circulation)

Cooling Method
(Jself cooling omitted), F-0i1-immersed forced air cooling , Swater cooling)

Phase (Dsingle phase, S-three phases)

3 Service condition

3.1 Type: Outdoor used
3.2 Environment temperature: Maximum temperature + 40 ,Minimum Temperature -30

3.3 Altitude: = 1 000m ( In case of above 1000m, temperature rise should be amended)

3.4 Relative Humidity≤90% [25]
3.5 Installation site: Without corrosive gas and obvious dirt

4 110kV Main parameter of the three-phase on-load power transformer

4.5 6300KVA∼63000KVA two-winding transformer (LV is 35KV) with NVTC
Rated capacity KVA	Rated ration and regulation range					No load	Impedance Voltage%	No load losses KW (9)	On load losses KW (9)	No load losses KW (10)	On load losses KW (10)
	HV	Regulation range %		LV	Vector group	Current
						%
6300						1.05		10.3	39.6	9.2	37.4
8000						1.05		12.4	47.7	11.1	45.1
10000						0.98		14.4	55.8	12.9	52.7
12500						0.98		16.9	66.6	15.1	62.9
16000		±8×1.25%		6.3,6.6,10.5,11	YNd11	0.91	10.5	20.2	81.9	18.1	77.4
20000	110,121	±2×2.5%		35,38.5	YNd12	0.91		23.9	99	21.4	93.5
25000						0.84		28.1	116.1	25.2	110
31500						0.84		33.3	140.4	30	132.6
40000						0.77		39.5	164.7	35.4	155.6
50000						0.77		46.4	204.3	41.5	193
63000						0.7		54.9	245.7	49.1	232.1

5 Browsing before order
Please provide the following Information for your order :
Product typerated capacitysystem voltagevoltage groupconnection symbol

short circuit impedanceon-load lossno-load lossno-load currentrated frequency

cooling methodaltitudeenvironment and so on.