Power Transformer

220kv Oil-immersed Power Transformer

Brand: HENGFENGYOU
Series: SSZ
USES: Power Transformer
Country of origin: China
Terms of payment: L/C, T/T, Western Union, Paypal, Money Gram
Certification: ISO9001、CB

Get Quotes

Product overview

220kV transformer is a high-voltage oil immersed transformer with a core structure. According to the number of phases, it can be divided into single-phase transformer and three-phase transformer; According to the voltage regulation mode, it can be divided into on load voltage regulation and non excitation voltage regulation; According to the winding coupling mode, it can be divided into power transformer and autotransformer; According to the number of windings, it can be divided into double winding, three winding, three winding + balance winding. At the same time, it includes special types of 220kV transformers such as split transformers and combined transformers. The product is designed according to IEC international standards, IEEE standards and current national standards

220kv power transformer manufacturer
Sudan -180MVA-220KV main transformer for power grid

Product advantage

1. Low noise, reducing noise pollution to the environment;

2. Low partial discharge to ensure stable and reliable operation of transformer;

3. Low temperature rise, strong overload capacity;

4. Low loss, energy structure optimization;

5. No leakage, high transformer sealing performance;

6. Maintenance free, reduce the maintenance cost of customers;

7. High impedance, high short-circuit resistance, providing the safety performance of the transformer;

8. Adopt intelligent components and intelligent power station design technology;

Technical Parameter

220kV double winding non excitation voltage regulating power transformer
额定容量 Rated capacity (kva)	电压组合及分接范围 Voltage ratio and tap range (kv)		联结组 Connection symbol	空载损耗 No-load loss (kw)	负载损耗 Full-load loss (kw)	短路抗阻 Impedance(%)	空载电流 No-load current (%)
额定容量 Rated capacity (kva)	高压 HV	低压 LV	联结组 Connection symbol	空载损耗 No-load loss (kw)	负载损耗 Full-load loss (kw)	短路抗阻 Impedance(%)	空载电流 No-load current (%)
31500	220 242±2×2.5%	6.3 6.6 10.5 11	YNd11	35	135	12-14	0.70
40000				41	157		0.70
50000				49	189		0.65
63000				58	220		0.65
75000		10.5 11 13.8		67	250		0.60
90000				77	288		0.55
120000				94	345		0.55
150000		11;13.8; 15.75;20		112	405		0.50
180000				128	459		0.46
240000				160	567		0.42
300000		15.75; 18;20		189	675		0.38
360000		15.75; 18;20		217	774		0.38

Low voltage 66kV level 220kV double winding non excitation voltage regulating power transformer
额定容量 Rated capacity (kva)	电压组合及分接范围 Voltage ratio and tap range (kv)		联结组 Connection symbol	空载损耗 No-load loss (kw)	负载损耗 Full-load loss (kw)	短路抗阻 Impedance(%)	空载电流 No-load current (%)
额定容量 Rated capacity (kva)	高压 HV	低压 LV	联结组 Connection symbol	空载损耗 No-load loss (kw)	负载损耗 Full-load loss (kw)	短路抗阻 Impedance(%)	空载电流 No-load current (%)
31500	220 242±2×2.5%	63 66 69	YNd11	38	151	12-14	0.89
40000				45	176		0.89
50000				53	211		0.82
63000				63	247		0.82
90000				83	323		0.75
120000				102	387		0.75
150000				122	453		0.68
180000				138	513		0.68
240000				171	635		0.61

220kV dual winding on load voltage regulating power transformer
额定容量 Rated capacity (kva)	电压组合及分接范围 Voltage ratio and tap range (kv)		联结组 Connection symbol	空载损耗 No-load loss (kw)	负载损耗 Full-load loss (kw)	短路抗阻 Impedance(%)	空载电流 No-load current (%)
额定容量 Rated capacity (kva)	高压 HV	低压 LV	联结组 Connection symbol	空载损耗 No-load loss (kw)	负载损耗 Full-load loss (kw)	短路抗阻 Impedance(%)	空载电流 No-load current (%)
31500	220 242±2×2.5%	66.3;6.6 10.5;11 35;37;38.5	YNd11	38	135	12-14	0.70
40000				45	157		0.63
50000				54	189		0.56
63000				63	220		0.56
90000		10.5;11 35;37;38.5		80	288		0.49
120000				99	346		0.49
150000				116	405		0.42
180000				135	468		0.42
120000		66 69		102	355		0.49
150000				120	415		0.42
180000				140	475		0.42

220kV Three winding Unexcited Voltage Regulating Power Transformer
额定容量 Rated capacity (kva)	电压组合及分接范围 Voltage ratio and tap range(kv)			联结组 Connection symbol	空载损耗 No-load loss (kw)	负载损耗 Full-load loss (kw)	短路抗阻 Impedance(%)		空载电流 No-load current (%)
额定容量 Rated capacity (kva)	高压 HV	中压 MV	低压 LV	联结组 Connection symbol	空载损耗 No-load loss (kw)	负载损耗 Full-load loss (kw)	升压变 step-up	降压变 step-down	空载电流 No-load current (%)
31500	220 242±2×2.5%	69 115 121	6.3 6.6 10.5 11 35 37 38.5	YNyn0d11	40	162	高-中 H-M 22-24 高-低 H-L 12-14 中-低 M-L 7-9	高-中 H-M 22-24 高-低 H-L 12-14 中-低 M-L 7-9	0.70
40000					48	189			0.63
50000					56	225			0.56
63000					66	261			0.56
90000			10.5 11 13.8 35 37 38.5		86	351			0.49
120000			10.5 11 13.8 35 37 38.5		106	432			0.49
150000			11 13.8 15.75 35 37 38.5		125	513			0.42
180000					142	585			0.42
240000					176	720			0.35
300000					208	750			0.30

220kV three winding non excitation voltage regulating autotransformer
额定容量 Rated capacity (kva)	电压组合及分接范围 Voltage ratio and tap range(kv)			联结组 Connection symbol	空载损耗 No-load loss(kw)		负载损耗 Full-load loss(kw)		短路抗阻 Impedance(%)		空载电流 No-load current (%)
额定容量 Rated capacity (kva)	高压 HV	中压 MV	低压 LV	联结组 Connection symbol	升压 step-up	降压 step-down	升压 step-up	降压 step-down	升压变 step-up	降压变 step-down	空载电流 No-load current (%)
31500	220 242±2×2.5%	115 121	6.6 10.5 11 35 37 38.5	YNyn0d11	25	22	117	99	高-中 H-M 12-14 高-低 H-L 8-12 中-低 M-L 14-18	高-中 H-M 8-12 高-低 H-L 28-34 中-低 M-L 18-24	0.50
40000					29	26	144	121			0.50
50000					34	30	170	144			0.43
63000					40	36	201	171			0.43
90000					50	46	276	234			0.36
120000			10.5 11 13.8 15.75 18 35 37 38.5		62	56	340	288			0.36
150000					70	60	405	342			0.33
180000					80	72	464	387			0.33
240000					95	86	595	504			0.25

220kV three winding on load voltage regulating power transformer
额定容量 Rated capacity (kva)	电压组合及分接范围 Voltage ratio and tap range(kv)			联结组 Connection symbol	空载损耗 No-load loss (kw)	负载损耗 Full-load loss (kw)	短路抗阻 Impedance(%)	空载电流 No-load current (%)
额定容量 Rated capacity (kva)	高压 HV	中压 MV	低压 LV	联结组 Connection symbol	空载损耗 No-load loss (kw)	负载损耗 Full-load loss (kw)	短路抗阻 Impedance(%)	空载电流 No-load current (%)
31500	220 242±2×2.5%	69 115 121	6.3 6.6 10.5 11 35 37 38.5	YNyn0d11	44	162	高-中 H-M 22-24 高-低 H-L 12-14 中-低 M-L 7-9	0.77
40000					50	189		0.70
50000					60	225		0.63
63000					70	261		0.63
90000			10.5 11 35 37 38.5		92	351		0.56
120000					115	432		0.56
150000					135	513		0.49
180000					159	630		0.49
240000					193	780		0.45

Shipment

Business Cooperation

Grow business with Hengfengyou

Our goal is to become the world's leading manufacturer of electrical equipment. The business, experience and technology accumulated over the years have benefited customers in more than 50 countries around the world. Once our customers establish a cooperative relationship, they are long-term trusted customers, because Hengfengyou always insists on providing you with our best electrical products and services.

Our advantages

- Authoritative certification: ISO9001、CE etc
- Perfect SQA quality management system and patented technology to ensure high quality products
- Efficient production equipment and low raw material prices to ensure the price advantage
- Sufficient inventory, short delivery time and fast delivery worldwide
- Perfect after-sales service system, allowing customers to buy worry-free
- Provide OEM/ODM services. Welcome clients to visit our factory.