33kV 11kV Oil Immersed Power Transformer

Short Description:

Low loss oil immersed distribution transformer is 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....

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Low loss oil immersed type distribution transformer

1.Application

3.3kV-36kV 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-5000kVA

.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

11kV Series

Capacity (kVA)	Voltage Combination			Vector group	No-load loss (W)	Load loss (W) (75°C)	Impedance voltage (%)	No-load current (%)
Capacity (kVA)	HV	Tapping range of HV	LV	Vector group	No-load loss (W)	Load loss (W) (75°C)	Impedance voltage (%)	No-load current (%)
25	6 kV 6.6Kv 10.5kV 11kV	±5%,±2×2.5%	0.38 kV 0.4 kV 0.415 kV 0.48 kV	Yyn0 Dyn5 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	5.5	0.4

Capacity (kVA)	Voltage Combination			Vector group	No-load loss (W)	Load loss (W) (75°C)	Impedance voltage (%)	No-load current (%)
Capacity (kVA)	HV	Tapping range of HV	LV	Vector group	No-load loss (W)	Load loss (W) (75°C)	Impedance voltage (%)	No-load current (%)
630	13.2kV 13.8kV 15 kV 20 kV 22 kV 33 kV 34.5 kV	±5%,±2×2.5%	0.38 kV 0.4 kV 0.415 kV 0.48 kV	Yd11	1150	6200	4.5	0.9
800					1400	7500	5.5	0.8
1000					1650	10300		0.7
1250					1950	12800		0.6
1600					2300	14500		0.6
2000					2650	17100		0.6
2500					3100	20000		0.6
3150					3650	23700		0.5
4000					4450	28100		0.5
5000					5200	32700		0.5
6300					6150	36900		0.5
8000					8900	44000		0.4
10000					11600	50600	6.5	0.4

Capacity (kVA)	Voltage			Vector group	No-load loss (W)	Load loss (W) (75°C)	Impedance voltage (%)	No-load current (%)
Capacity (kVA)	Primary	Tapping range (%)	Secondary	Vector group	No-load loss (W)	Load loss (W) (75°C)	Impedance voltage (%)	No-load current (%)
50	33 kV	±5%	0.38 kV 0.4 kV 0.415 kV 0.48 kV	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

Capacity (kVA)	Voltage			Vector group	No-load loss (W)	Load loss (W) (75°C)	Impedance voltage (%)	No-load current (%)
Capacity (kVA)	Primary	Tapping range (%)	Secondary	Vector group	No-load loss (W)	Load loss (W) (75°C)	Impedance voltage (%)	No-load current (%)
50	33 kV	±5%	0.38 kV 0.4 kV 0.415 kV 0.48 kV	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