OSG-100KVA
Three Phase Autotransformers Series • 100kVA • 0.38/0.4 kV
OSG-100KVA is a 100 kVA, 0.38/0.4 kV three phase transformer manufactured by Shandong Yaqing Electric Power Technology Co., Ltd. (QDTB) in Qingdao, China, designed and tested in accordance with IEC 60076 / GB1094.1, vector group Dyn11, short-circuit impedance 4%, approximate weight 195 kg. Available on FOB Qingdao terms; datasheet, routine test report and GA drawing issued with each unit.
Technical Specifications
| Model | OSG-100KVA |
|---|---|
| Rated Capacity | 100kVA |
| HV Voltage | 0.38 kV |
| LV Voltage | 0.4 kV |
| Input Voltage | 380V (3-phase) |
| Output Voltage | customized ratio step-up/step-down |
| Frequency | 50/60 Hz |
| Vector Group | Dyn11 |
| Short-circuit Impedance | 4% |
| Cooling | AN |
| Insulation | F (155°C) |
| Temperature Rise | 100 K |
| No-load Loss | 270 W |
| Load Loss | 1415 W |
| Efficiency | >97% |
| Weight | 195 kg |
| Dimensions (L x W x H) | 830 x 710 x 1110 mm |
| Applied Standard | IEC 60076 / GB1094.1 |
Product Image & Parameters
Images are for illustration purposes only
OSG-100KVA
Three Phase Autotransformers Series
TECHNICAL DRAWING
Model: OSG-100KVA | Type: Oil-immersed transformer | Capacity: 100 kVA
FRONT ELEVATION
ELECTRICAL SCHEMATIC
EFFICIENCY vs LOAD
SIDE VIEW
TOP VIEW
TERMINAL BLOCK
CORE & WINDING
Technical specifications
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Product Description
OSG-100KVA Three Phase Autotransformers Three-phase Autotransformer, rated 100kVA, input 380V (3-phase), output customized ratio step-up/step-down, eff >97%, freq 50/60, weight 195kg, ISO certified China manufacturer
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The values below are computed from what you selected above. Anything that cannot be computed yet is shown as an em dash — never as zero.
Iₙ = S / (√3·U) · I_sc = 100·Iₙ / uₖ · S_sc = √3·U·I_sc · I_p = k·Iₖ
Still required to complete the calculation: rated capacity S, impedance voltage uₖ, short-time or peak withstand current.
Per-model values (P0 / Pk / uₖ declared by the factory, losses, noise, temperature rise, dimensions, weight) are not in the product library: those rows stay at an em dash until the factory parameter sheet is supplied. An em dash means the value is unavailable — it is never rendered as zero.
Read-only: no price factor, not part of the sum — the loss-grade cost is already carried by the efficiency (subtype) base price, so charging here would double-bill. Values come from the product library type-test data, interpolated between published capacities; grades the library does not cover show an em dash, never zero.
Reference prices are for estimation only and do not constitute a formal offer.
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OSG-100KVA - Frequently Asked Questions
QWhat are the main applications of OSG-100KVA?
OSG-100KVA (Three Phase Autotransformers series, Three Phase 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 OSG-100KVA?
Key specifications: Capacity: 100kVA, HV 0.38 kV, LV 0.4 kV, Frequency 50/60 Hz, Impedance 4%, Connection Dyn11, Cooling AN, Standard IEC 60076 / GB1094.1.
QCan OSG-100KVA 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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