S11 Oil Immersed Transformer

OIL IMMERSED TRANSFORMERS

The S11 series oil-immersed transformer is to revolutionize power distribution systems. This series boasts advanced features such as enhanced energy efficiency, reduced losses, and improved performance. The S11 transformers are meticulously crafted to deliver superior reliability, optimal energy transfer, and cost-effectiveness. With a focus on sustainability, these transformers are built with eco-friendly materials and innovative technologies to ensure minimal environmental impact.

Introduction of S11 Oil Immersed Transformer

S11 series oil immersed transformer offering the choice between the Yyn0 or Dyn11 vector group configurations across a wide power range from 30 kVA to 2500 kVA. These transformers are engineered to deliver exceptional performance, efficiency, and reliability in diverse industrial and commercial settings.

The Yyn0 vector group configuration provides a specific phase shift angle, ensuring precise voltage regulation and stability in power distribution networks. On the other hand, the Dyn11 configuration offers an alternative phase shift angle, catering to varying operational requirements with flexibility and adaptability.

One of the key advantages of our transformers lies in their superior energy efficiency, reducing power losses and operational costs over the long term. With advanced design features and high-quality materials, these transformers are built to withstand demanding operating conditions and deliver consistent performance.

Oil-immersed transformers can be widely used in high-rise buildings, commercial centers, subways, airports, stations, industrial and mining enterprises, drilling platforms, and oil production platforms. They are especially suitable for use in places with high fire protection requirements and harsh environments such as flammable and explosive materials. They can also be used for power and lighting in residential areas, commercial streets, industrial and mining enterprises, and rural areas.

Technical Specification of S11 Oil Immersed Transformer


Capacity (KVA)	No-load Loss (W)	Load Loss		Impedance Voltage (%)	No-load Current (%)	Vector Group	Extend Connection
Capacity (KVA)	No-load Loss (W)	Dyn11/Yzn11	Yyno	Impedance Voltage (%)	No-load Current (%)	Vector Group	Extend Connection
30	100	600	630	4.0	2.1	Yyn0 OR Dyn11	±2*2.5% Or±5%
50	130	870	910		2
63	150	1090	1040		1.9
80	180	1310	1250		1.8
100	200	1580	1500		1.6
125	240	1890	1800		1.5
160	280	2310	2200		1.4
200	340	2730	2600		1.3
250	400	3200	3050		1.2
315	480	3830	3650		1.1
400	570	4520	4300		1.0
500	680	5410	5150		1
630	810	6200		4.5	0.9
800	980	7500			0.8
1000	1150	10300			0.7
1250	1360	12000			0.6
1600	1640	14500			0.6
2000	1940	18300		5.0
2500	2290	21200		5.0

S11 35kv Three-phase Dual-winding No-load Voltage Regulation Transformer spec
Rated Capacity (KVA)	Voltage Combination			Connection Group Symbol	No-load Loss (W)	Load Loss (W)	No-load Current (%)	Impedance Voltage (%)	LWH(mm)	Active parts Weight (kg) * Oil Weight (kg)	Total Weight (kg)
Rated Capacity (KVA)	High Voltage (KV)	Tapping Range of High Voltage	Low Voltage (KV)	Connection Group Symbol	No-load Loss (W)	Load Loss (W)	No-load Current (%)	Impedance Voltage (%)	LWH(mm)	Active parts Weight (kg) * Oil Weight (kg)	Total Weight (kg)
630	35	±2×2.5% 士5%	3.15 6.3 10.5	Ydl1	830	7860	0.65	6.5	24001700221	2210*900	3250
800					980	9400	0.65		25001850239	2350*1030	3500
1000					1150	11500	0.65		27001950251	2490*1180	3860
1250					1400	13900	0.55		29002050263	2600*1350	4350
1600					1690	16600	0.45		30502130275	2810*1580	4855
2000					2170	18300	0.45		31052195280	2800*1800	5300
2500					2560	19600	0.45		31502535298	3525*2060	7665
3150	35-38.5	±2×2.5% 土5%	3.15 6.3 10.5		3040	23000	0.45	7	39202725284	3950*2205	8565
4000					3610	27300	0.45		33102915307	4825*2560	10115
5000					4320	31300	0.45		34803020314	5700*2635	11305
6300					5240	35000	0.45	8	35902905321	7120*3240	13510
8000	35-38.5	±2×2.5%	3.15 3.3 6.3 6.6 10.5	Ynd11	7200	38400	0.35		40703050359	8875*3840	16690
10000					8700	45300	0.35		41062795365	10305*3600	17690
12500					1000	53800	0.3		45703010384	12830*4310	20990
16000					1210	65800	0.3		52353295461	16010*6650	27660
20000					1440	79500	0.3		53603415466	18820*7600	32170
25000					1700	94000	0.25	10	58303810486	22360*9800	42600
31500					2020	112000	0.25	10	62904290526	25110*12010	49960

S11 35kv No-load Voltage Regulation Transformer Spec
Rated Capacity (KVA)	Voltage Combination			No-load Loss (W)	Load Loss (W)	Impedance Voltage(%)	No-load Current (%)	LWH(mm)	Active parts Weight (kg) Oil Weight (kg)	Total Weight (kg)
Rated Capacity (KVA)	High Voltage (KV)	Tapping Range of High Voltage	Low Voltage (KV)	No-load Loss (W)	Load Loss (W)	Impedance Voltage(%)	No-load Current (%)	LWH(mm)	Active parts Weight (kg) Oil Weight (kg)	Total Weight (kg)
50	35 38.5	±5% ±2×2.5%	0.4	160	1200/1140	6.5	1.3	11959351825	300*330	860
100				230	2010/1910		1.1	12009951935	470*383	1130
125				270	2370/2260		1.1	12359401955	550*465	1335
160				280	2820/2680		1	12858951950	580*485	1475
200				340	3320/3160		1	131011501985	680*595	1755
250				400	3950/3760		0.95	145010902010	860*650	2000
315				480	4750/4530		0.95	193010652320	980*765	2290
400				580	5740/5470		0.85	185011652015	1170*885	2725
500				680	6910/6580		0.85	204512052415	1340*960	3090
630				830	7860		0.65	208512402515	1550*895	3810
800				980	9400		0.65	230516152685	1990*1030	4510
1000				1150	11500		0.65	254515402590	2415*1475	5055
1250				1400	13900		0.6	249520102675	2480*1405	5290
1600				1690	16600		0.6	268021002770	2600*1490	5450
2000				1990	19700		0.55	279021802860	2720*1590	5600
2500				2360	23200		0.55	290022902980	2830*1720	5760

OIL IMMERSED TRANSFORMERS