500kVA Dry Type Transformer

Huawan 500kVA dry-type transformer feature safety and environmental protection with no fire or explosion risks. Boasting excellent insulation and heat dissipation design, they realize low loss, low noise and stable operation, and adapt to various working conditions. Maintenance-free and easy to install, they support customization and are widely applied in power transmission and distribution for construction, power, commerce and other fields.

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Specifications and Parameters

Parameter	Details
Rated Capacity	500 kVA
Rated Frequency	50 Hz
Rated Voltage	10/0.4 kV
Rated Current	28.9/721.7 A
Number of Phases	3 Phase
Connection Group Symbol	Dyn11
No-load Loss (at 100% Rated Voltage)	0.646 kW
Load Loss (at Reference Temperature of 120℃)	4.210 kW
Total Loss (at Reference Temperature of 120℃)	4.856 kW
No-load Current (at 100% Rated Voltage)	0.75%
Insulation Class	Class F (Maximum allowable winding temperature for Class F: 155℃)
Applied Withstand Voltage Capability	HV: 35kV/60s; LV: 5kV/60s
Partial Discharge Quantity	When 1.3 times the rated voltage is applied, Phases A/B/C are all < 10pC
Short-circuit Withstand Capability	3 short-circuit tests per phase, no displacement/deformation of coils, maximum reactance deviation: 2.8%
Winding Temperature Rise Limit	≤100K
Cooling Mode	AN/AF

Specification Range

Rated capacity	Voltage combination and decomposition range			Low pressure	Open circuit losses	Load loss	Short circuit impedance	No-load current	Body weight
Rated capacity	Voltage combination and decomposition range			Low pressure	Open circuit losses	Load loss	Short circuit impedance	No-load current	Body weight
KVA	High tension	Tapping range	Join group label	kV	W	(120℃) W	%	%	kg
30	6 6.5 10 10.5 11	±5% or ±2×2.5%	YynO or Dyn11	0.4	170	710	4	1.8	300
50					240	1000	5	1.5	380
80					330	1380	4	12	470
100					360	1570	4	1	560
125					420	1850	4	1	650
160					480	2130	4	1	780
200					550	2530	4	0.8	800
250					640	2760	4	0.8	1030
315					790	3470	4	0.7	1250
400					880	3990	4	0.7	1400
500					1040	4880	4	0.6	1600
630					1200	5880	4	0.6	1900
630					1170	5960	6	0.6	1900
800					1360	6960	6	0.5	2580
1000					1590	8130	6	0.5	2850
1250					1880	9690	6	5	3200
1600					2200	11730	6	0.5	3800
2000					2740	14450	6	0.4	4280
2500					3240	17170	6	0.4	5250

Drawing

Factory Production Photos

Have Questions About Huawan Transformer and Switchgear? Get in Touch With Us Now!

E-mail:

sales@huawanpower.com

Tel:

+86-13866167476

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Company: Room 914-915, Block A, No. 188 Qianshan South Road, Shushan District, Hefei, China

Factory: South of Chunhua Road and West of Zhihe Road, Xuancheng Economic andTechnological Development Zone, Anhui, China

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If you have any questions about our company, transformers, or switchgears, please feel free to contact us using the information below. We will respond as soon as possible.

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sales@huawanpower.com

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