Low Losses Electric Electrical 630 kVA High Voltage Power Three Phase Oil Power/Transmission Immersed Distribution Transformer

Product Description

Our factory
We are professional manufacturer of current transformer voltage transformer, Vacuum Circuit Breakers/Recloser,Isolation switches,Dropout Fuse Cut-out,Lightning Arresters,High and Low Voltage Cabinets,Metering Devices,Power Distribution Transformers etc.
General
Power transformer three phase oil immsered electrical transformer rated voltage during 6-35kV, oil immersed transformer are most used in power plant,power grid transmission and distribution station,industry& commerce electrical substation as the electrical equipment of power transmission. References
ISO 1461: Hot dip galvanized coatings on fabricated iron and steel articles - Specifications and test methods.IEC 60076: Power transformers.
IEC 60044: Instrument transformers.
IEC 60296: Specification for unused mineral insulating oil for transformers and switchgear.
IEC 60354: Loading guide for oil - immersed power transformers.
IEC 60214: Tap-changers - Part 1: Performance requirements and test methods, Part 2: Application guide.
IEC 60512: Connectors for electronic equipment.
Technical specification

Rated capacity (kVA)	voltage combination			Vector group	Losses(W)		No-load current(%)
	HV(kV)	tapping range	LV(kV)		On-load loss	No-load loss
30					630/600	100	2.1
50					910/870	130	1.1
63					1090/1040	150	1
80					1310/1250	180	1
100					1580/1500	200	0.9
125					1890/1800	240	0.9
160	6				2310/2200	280	0.8
200	6.3				2730/2600	340	0.8
250	6.6	±5%		Yyno	3200/3050	400	0.7
315	10		0.4		3830/3650	480	0.7
400	10.5	±2x2.5%		Dyn11	4520/4300	570	0.6
500	11				5410/5150	680	0.6
630					6200	810	0.6
800					7500	980	0.5
1000					10300	1150	5
1250					12000	1360	0.5
1600					14500	1640	0.4
2000					19800	1990	0.4
2500					23000	2340	0.4

Rated capacity (kVA)	voltage combination			Vector group	Losses(KW)		No-load current(%)	Short circuit impedance(%)
	HV(kV)	tapping range	LV(kV)		On-load loss	No-load loss
30					0.66	0.09	2.1	5.5
50					0.96	0.13	2
63					1.145	0.15	1.9
80					1.37	0.18	1.8
100					1.65	0.2	1.6
125					1.98	0.24	1.5
160					2.42	0.29	1.4
200					2.86	0.33	1.3
250	20\10	±5x2.5%		Yyno	3.35	0.4	1.2
315			0.4		4.01	0.48	1.1
400		±2x2.5%		Dyn11	4.73	0.57	1
500					5.66	0.68	1
630					6.82	0.81	0.9	6
800					8.25	0.98	0.8
1000					11.33	1.15	0.7
1250					13.2	1.35	0.7
1600					15.95	1.63	0.6
2000					19.14	1.95	0.6
2500					22.22	2.34	0.5

Our Customer
Our customers are located all over the world.
Test Reports
All products have undergone professional testing and certification.
Photos of Product
We are a 25 years professional manufacturer in fuse cutout. And we are a qualified supplier for the Chinese government.

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