S-500/20/400
Other Series • 500 kVA • 20/0.4 kV
Product Image & Parameters
S-500/20/400
Other Series
Capacity
500kVA
HV Voltage
20kV
LV Voltage
0.4kV
Efficiency
2Level
Amorphous Alloy CoreEnergy SavingLow Loss
TECHNICAL DRAWING
Model: S-500/20/400 | Type: Dry-Type Transformer | Capacity: 500 kVA
FRONT VIEW
SIDE VIEW
TOP VIEW
TERMINAL BLOCK
ELECTRIC SCHEMATIC DIAGRAM
SPECIFICATIONS
1. Model:S-500/20/400
2. Type:Dry-Type Transformer
3. Capacity:500 kVA
4. Frequency:50 Hz
5. HV Voltage:20 kV
6. LV Voltage:0.4 kV
7. HV Current:14.43A
8. LV Current:721.69A
9. Vector Group:Dyn11 (IEC)
10. Impedance:4.5%
11. Insulation Level:A (105°C)
12. Temperature Rise:65K
13. No-Load Loss:9990W
14. Load Loss:24975W
15. No-Load Current:0.4%
16. Cooling Method:ONAN
17. Tap Changer:±5×2.5% 多档
18. Standard:IEC 60076
19. Dimensions:1400×1000×1800mm
20. Weight:-
LEGEND:
Iron Core
HV Winding/Bushing
LV Winding/Bushing
Dimension Line
Product Description
500kVA, 3-phase oil-immersed transformer, 50Hz, primary 20kV (HV 20kV), secondary 400V (LV 400V), IEC, insulation A, impedance 4.5%
Related Keywords
S-500/20/400 oil immersed power transformer500kVA oil type distribution transformer20kV distribution network transformerS series general purpose oil filled distribution transformer
S-500/20/400 FAQ
What are the main application scenarios for S-500/20/400?
The S-500/20/400 (Other series oil-immersed transformers) with rated capacity of 500 kVA, HV side 20 kV, LV side 0.4 kV, is widely used in industrial distribution, commercial buildings, and power systems. It can be flexibly configured according to actual project requirements.
What are the technical specifications of S-500/20/400?
Key specs: Capacity 500 kVA, HV 20 kV, LV 0.4 kV, Frequency 50 Hz, Impedance 4.5%, Vector Group Dyn11 (IEC), Cooling ONAN, Standard IEC 60076.
Can S-500/20/400 be customized?
Yes. QDTB® offers comprehensive OEM/ODM customization. Parameters such as capacity, voltage ratio, cooling method, vector group, and protection class can be adjusted. 23+ years of manufacturing experience ensures consistent quality.
How to get a quote and technical documentation?
Contact us via the "Send Inquiry" button below, or reach our sales team at Alice@qdtb-transformer.com / +86 13698683193. We will provide detailed quotations and technical documentation within 24 hours.
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