QDTB® Transformer

YBW-800/6/0.4

YBW Series • 800kVA • 6/0.4 kV

Product Image & Parameters

YBW - QDTB

Images are for illustration purposes only

YBW-800/6/0.4

YBW Series

Capacity
800kVA
HV Voltage
6kV
LV Voltage
0.4kV
Frequency
50Hz
Short-circuit impedance
6%
Cooling method
AN
Efficiency
National/industry standard
Applied standard
IEC 60076
Connection
Dyn11 (IEC)
Energy SavingLow Loss

TECHNICAL DRAWING

Model: YBW-800/6/0.4 | Type: Oil-immersed transformer | Capacity: 800 kVA

FRONT ELEVATION

Oil level1U1V1W2U2V2W2NTAPN.P.240mm300mm

ELECTRICAL SCHEMATIC

HV WINDING (Delta)1U1V1WLV WINDING (Star)2U2V2W2NDyn11 (IEC)

EFFICIENCY vs LOAD

90%95%98%99%0%25%50%75%100%≈99%load %efficiency %

SIDE VIEW

Oil level165mm

TOP VIEW

1U1V1W2U2V2W2N165mm

TERMINAL BLOCK

HV TERMINAL BLOCK1U1V1W1N1PELV TERMINAL BLOCK2U2V2W2N2PE2122Terminal block configurationTin-plated copper busbar

CORE & WINDING

OIL / TANKHV winding/bushingINSULATIONLV winding/bushingIron coreconcentric cross-section

Technical specifications

1. Model:YBW-800/6/0.4
2. Type:Oil-immersed transformer
3. Capacity:800 kVA
4. Frequency:50 Hz
5. HV voltage:6 kV
6. LV voltage:0.4 kV
7. HV current:76.98A
8. LV current:1154.7A
9. Vector group:Dyn11 (IEC)
10. Impedance:6%
11. Insulation level:H (180°C)
12. Temperature rise:65K
13. No-load loss:17600W
14. Load loss:44000W
15. No-load current:0.8%
16. Cooling method:AN
17. Tap changer:±2×2.5% Multi-tap
18. Standard:IEC 60076
19. Dimensions:1000×820×1000 mm
20. Weight:1950kg
LEGEND:
Iron core
HV winding/bushing
LV winding/bushing
Dimension line

Product Description

800kVA, 3-phase isolation, dry-type transformer, 50Hz, primary 6kV (HV 6kV), secondary 400V (LV 400V), Standard, insulation H, impedance 6%

Related Keywords

YBW-800/6/0.4 isolation control transformer800kVA control transformerprimary 6kV secondary 0.4kVYBW outdoor prefabricated substation transformer station

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Aluminum winding — no copper linkage

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YBW-800/6/0.4 - Frequently Asked Questions

QWhat are the main applications of YBW-800/6/0.4?

YBW-800/6/0.4 (YBW series, Special/Isolation/Control Transformers) is widely used in industrial power distribution, commercial buildings and utility power systems. Can be flexibly configured according to actual project requirements.

QWhat are the main technical specifications of YBW-800/6/0.4?

Key specifications: Capacity: 800kVA, HV 6 kV, LV 0.4 kV, Frequency 50 Hz, Impedance 6%, Connection Dyn11 (IEC), Cooling AN, Standard IEC 60076.

QCan YBW-800/6/0.4 be custom ordered?

Yes. QDTB® provides comprehensive OEM/ODM customization services. Parameters such as capacity, voltage ratio, cooling method, connection group and protection class can all be adjusted. Over 25 years of manufacturing experience ensures consistent quality.

QHow to get a quote and technical documentation?

Contact via the "Send Inquiry" button below, or contact sales at Alice@qdtb-transformer.com / +86 13698683193. We provide detailed quotations and technical documentation instantly.

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