QDTB® Transformer

3to1-200KVA

3P-to-1P Series • 200kVA • 0.38/0.38 kV

Product Image & Parameters

3P-to-1P - QDTB

Images are for illustration purposes only

3to1-200KVA

3P-to-1P Series

Capacity
200kVA
Frequency
50/60Hz
Short-circuit impedance
4%
Cooling method
AN
Applied standard
GB/T 1094, IEC 60076
Dimensions
650×540×650 mm
Weight
620kg
Energy SavingLow Loss

TECHNICAL DRAWING

Model: 3to1-200KVA | Type: Oil-immersed transformer | Capacity: 200 kVA

FRONT ELEVATION

Oil level1U1V1W2U2V2W2NTAPN.P.150mm210mm

ELECTRICAL SCHEMATIC

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

EFFICIENCY vs LOAD

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

SIDE VIEW

Oil level120mm

TOP VIEW

1U1V1W2U2V2W2N120mm

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:3to1-200KVA
2. Type:Oil-immersed transformer
3. Capacity:200 kVA
4. Frequency:50 Hz
5. HV voltage:0.38 kV
6. LV voltage:0.38 kV
7. HV current:-
8. LV current:-
9. Vector group:Dyn11
10. Impedance:4%
11. Insulation level:A
12. Temperature rise:65K
13. No-load loss:-
14. Load loss:-
15. No-load current:-
16. Cooling method:AN
17. Tap changer:±2×2.5%
18. Standard:GB/T 1094, IEC 60076
19. Dimensions:650×540×650 mm
20. Weight:620kg
LEGEND:
Iron core
HV winding/bushing
LV winding/bushing
Dimension line

Product Description

3to1-200KVA series 3P-to-1P Phase-converting transformer. 200kVA 0.38kV/0.38kV. Class F insulation, dry-type design. Genuine QDTB product, ISO 9001 certified, global export.

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Aluminum winding — no copper linkage

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3to1-200KVA - Frequently Asked Questions

QWhat are the main applications of 3to1-200KVA?

3to1-200KVA (3P-to-1P 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 3to1-200KVA?

Key specifications: Capacity: 200kVA, HV 0.38 kV, LV 0.38 kV, Frequency 50/60 Hz, Impedance 4%, Cooling AN, Standard GB/T 1094, IEC 60076.

QCan 3to1-200KVA 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.

Related Products in 3P-to-1P Series

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Rated Capacity: 15kVA
Voltage: 0.38/0.38 kV
3to1-50KVA
Rated Capacity: 50kVA
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3to1-150KVA
Rated Capacity: 150kVA
Voltage: 0.38/0.38 kV
3to1-75KVA
Rated Capacity: 75kVA
Voltage: 0.38/0.38 kV
3to1-100KVA
Rated Capacity: 100kVA
Voltage: 0.38/0.38 kV
3to1-20KVA
Rated Capacity: 20kVA
Voltage: 0.38/0.38 kV

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