Oil immersed type 400kv power transformer

1.Application 10kV-220kV transformers are mainly made of iron core and windings which are placed in the oil tank that filled with insulating oil. It is mainly used for power plant, power transmission and distribution station as the equipment of power transmission.   2.Type and Rating .Product types: Single phase or three phases  Two windings or three windings  On-load or no-load voltage tap changer,  Autotransformer,  Natural cooling forced cooling or oil cooling, etc. .Capacity range: 50kVA-650MVA .Frequency; 50/60Hz   3.Standard IEC 60076-1:2000, IEC 60076-2:1993, IEC 60076-3:2000, IEC 60076-5:2006, IEC 60137:2003; ANSI, IEEE, AS, etc   4.Operating Condition Suitable for indoor and outdoor application Ambient temperature: +400C--300C Relative humidity: ambient air relative humidity should be below 93%. .Altitude:≤1000m .Max wind speed: ≤35 m/s .Earthquake acceleration: horizontal acceleration≤0.3g                        vertical acceleration≤0.15g  .Special conditions: customized products are available.   11kV Series  

Capacity (kVA)	Voltage Combination			Connection Symbol	No-load loss (W)	Load loss (W) (75°C)	Impedance voltage (%)	No-load current (%)
	HV (kV)	Tapping range of HV	LV (kV)
30	6,10,11	±5%,±2×2.5%	0.4	Yyn0 Dyn11	100	600	4.0	1.7
50					130	870		1.6
63					150	1040		1.5
80					180	1250		1.4
100					200	1500		1.3
125					240	1800		1.2
160					280	2200		1.1
200					340	2600		1
250					400	3050		0.9
315					480	3650		0.9
400					570	4300		0.8
500					680	5100		0.8
630					810	6200	4.5	0.7
800					980	7500		0.6
1000					1160	10300		0.55
1250					1360	12000		0.5
1600					1640	14500		0.45
2000					1940	18500	5.5	0.4
2500					2300	20500		0.4

    35kV series

Capacity (kVA)	Voltage			Connection group	No-load loss (W)	Load loss (W) (75°C)	Impedance voltage (%)	No-load current (%)
	Primary (kV)	Tapping range (%)	Secondary (kV)
50	35	±5%	3.15 6.3 10.5	Yyn0	6.5	1210	6.5	2.0
100					305	2020		1.80
125					340	2380		1.75
160					360	2830		1.65
200					430	3300		1.55
250					510	3950		1.40
315					610	4750		1.40
400					735	5750		1.30
500					870	6900		1.30
630					1040	8250		1.25
800					1250	9900		1.05
1000					1480	12150		1.00
1250					1760	14600		0.90
1600					2130	17500		0.85
2000					2500	20680		0.75
2500					2975	24500		0.75

  69kV series

66kV Two-Winding Power Transformer With NVTC/OLTC
Rated Capacity (kVA)	Rated Voltage (kV)			Vector Group	Losses (W)		Impedance Voltage (%)
	HV	Tapping Range	LV		No load	On load
630	63 66 69	±5%	6.3 6.6 10.5 11	Yd11	1360	7560	8.0
800					1620	8830
1000					1920	10440
1250					2260	12340
1600					2720	14850
2000					3200	17550
2500					3760	20700
3150				YNd11	4480	24300
4000					5280	28800
5000					6240	32400
6300		±2×2.5%			8000	36000	9.0
8000					9600	42750
10000					11360	50400
12500					13360	59850
16000					16080	73530
20000					19040	89100
25000					22480	105300
31500					26720	126900
40000					32000	148950
50000					37760	184500
63000					44880	222300

    110 kV series

110kV Two-Winding Power Transformer With NVTC/OLTC
Rated Capacity  (kVA)	Rated Voltage (kV)			Vector  Group	Losses (W)		Impedance  Voltage  (%)
	HV	Tapping  Range	LV		No load	On load
6300	110 121	±2×2.5%	6.3 6.6 10.5 11	YNd11	8000	36900	10.5
8000					9600	45000
10000					11200	53100
12500					13200	63000
16000					16000	77400
20000					19000	93600
25000					22400	110700
31500					26700	133200
40000					31800	156600
50000					37600	194400
63000					44600	234000

 

110kV Three-Winding Power Transformer With   NVTC/OLTC
Rated Capacity  (kVA)	Rated Voltage (kV)			Vector  Group	Losses (W)		Impedance Voltage (%)
	HV	Tapping  Range	LV		No load	On load	Step Up	Step Down
6300	110 ±2×2.5%   121 ±2×2.5%	35 38.5 ±2×2.5%	6.3 6.6 10.5 11	YNyn0d11	9600	47700	HV-MV 17-18 HV-LV 10.5 MV-LV 6.5	HV-MV 10.5 HV-LV 17-18 MV-LV 6.5
8000					11500	56700
10000					13600	66600
12500					16000	78300
16000					19300	95400
20000					22800	112500
25000					27000	133200
31500					32000	157500
40000					38200	189000
50000					45200	225000
63000					53600	270000

 

220kV Two-Winding Power Transformer With NVTC/OLTC
Rated  Capacity  (kVA)	Rated Voltage  (kV)		Vector Group	Losses (W)		Impedance  Voltage  (%)
	HV	LV		No load	On load
31500	220 ±2×2.5%	6.3	YNd11	29000	135000	12-14
40000		6.6		35000	158000
50000		10.5		41000	189000
63000		11		49000	221000
90000		10.5		65000	288000
120000		13.8 11		80000	347000
150000		11		96000	405000
180000		13.8		109000	459000
240000		15.75		136000	567000
300000		15.75		160000	675000
360000		18		184000	774000

 

220kV Three-Winding Power Transformer With   NVTC/OLTC
Rated Capacity  (kVA)	Rated Voltage  (kV)			Vector  Group	Losses (W)		Impedance  Voltage (%)		Capacity Arrange (%)
	HV	MV	LV		No load	On load	Step Up	Step Down
31500	220 ±2×2.5%	69 121	6.3  6.6	YNyn0d11	34000	162000	HV-MV 22-24 HV-LV 12-14 MV-LV 7-9	HV-MV 12-14 HV-LV  22-24 MV-LV 7-9	100/100/100 100/50/100 100/100/50
40000			10.5  11		40000	189000
50000			35		48000	225000
63000			38.5		56000	261000
90000			10.5  11 13.8		73000	351000
120000			35 38.5		90000	432000
150000			11    13.8		106000	513000
180000			15.75    35		121000	585000
240000			38.5		149000	720000

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