110 kV transformers — with off-load tap changer and OLTC, 6300–63 000 kVA
Oil-immersed power transformers 110/6–10 kV for substations, power plants, open-pit mines and large industrial facilities. Built to your questionnaire, with off-load tap changer or on-load tap changer (OLTC).
Power transformer 110 kV with off-load tap changer
Energy-saving 110 kV class oil-immersed transformers for power plants, substations, solar and wind plants, and large industrial, mining and petrochemical enterprises. According to the manufacturer: low losses and noise, low temperature rise, no core-and-coil lifting for maintenance and no oil leaks.
| Rating, kVA | Tapping range, % | No-load current, % | No-load losses, kW | Load losses, kW | Uk, % | |
|---|---|---|---|---|---|---|
| 6 300 | ±2×2,5 | 0,5 | 4,1 | 32 | 10,5 | request |
| 8 000 | ±2×2,5 | 0,5 | 4,9 | 38 | 10,5 | request |
| 10 000 | ±2×2,5 | 0,46 | 5,8 | 45 | 10,5 | request |
| 12 500 | ±2×2,5 | 0,46 | 6,8 | 53 | 10,5 | request |
| 16 000 | ±2×2,5 | 0,43 | 8,3 | 65,7 | 10,5 | request |
| 20 000 | ±2×2,5 | 0,43 | 9,7 | 79 | 10,5 | request |
| 25 000 | ±2×2,5 | 0,4 | 11,4 | 94 | 10,5 | request |
| 31 500 | ±2×2,5 | 0,38 | 13,5 | 111 | 10,5 | request |
| 40 000 | ±2×2,5 | 0,36 | 16,2 | 133 | 10,5 | request |
| 50 000 | ±2×2,5 | 0,34 | 19,4 | 158 | 10,5 | request |
| 63 000 | ±2×2,5 | 0,3 | 22,9 | 187 | 10,5 | request |
Data from the partner factory's catalogue.
Power transformer 110 kV with OLTC
110 kV oil-immersed transformer with an on-load tap changer: it regulates voltage under load without disconnection and keeps it stable when the network fluctuates. Suited to networks with frequent voltage fluctuations and sharp load changes.
| Rating, kVA | Tapping range, % | No-load current, % | No-load losses, kW | Load losses, kW | Uk, % | |
|---|---|---|---|---|---|---|
| 6 300 | ±4×1,25 / ±6×1,25 / ±8×1,25 | 0,51 | 4,4 | 32 | 10,5 | request |
| 8 000 | ±4×1,25 / ±6×1,25 / ±8×1,25 | 0,51 | 5,3 | 38 | 10,5 | request |
| 10 000 | ±4×1,25 / ±6×1,25 / ±8×1,25 | 0,47 | 6,2 | 45 | 10,5 | request |
| 12 500 | ±4×1,25 / ±6×1,25 / ±8×1,25 | 0,47 | 7,4 | 53 | 10,5 | request |
| 16 000 | ±4×1,25 / ±6×1,25 / ±8×1,25 | 0,44 | 8,9 | 66 | 10,5 | request |
| 20 000 | ±4×1,25 / ±6×1,25 / ±8×1,25 | 0,44 | 10,6 | 79 | 10,5 | request |
| 25 000 | ±4×1,25 / ±6×1,25 / ±8×1,25 | 0,41 | 12,5 | 94 | 10,5 | request |
| 31 500 | ±4×1,25 / ±6×1,25 / ±8×1,25 | 0,41 | 14,9 | 111 | 10,5 | request |
| 40 000 | ±4×1,25 / ±6×1,25 / ±8×1,25 | 0,37 | 17,8 | 140 | 10,5–18 | request |
| 50 000 | ±4×1,25 / ±6×1,25 / ±8×1,25 | 0,37 | 21 | 175 | 10,5–18 | request |
| 63 000 | ±4×1,25 / ±6×1,25 / ±8×1,25 | 0,34 | 25 | 209 | 10,5–18 | request |
Data from the partner factory's catalogue.
How we work
- Questionnaire or specificationSend us a questionnaire, specification or drawing. Within one working day we will reply with an indicative price and lead time; the firm price follows after engineering review.
- Engineering to your requirementsThe factory prepares drawings to your specification: voltages, vector group, losses, dimensions, bushings. We agree them with you before production starts.
- Contract and prepaymentWe work under a supply contract with a Russian legal entity. The manufacturing time is fixed in the contract.
- Manufacturing 25–45 daysStandard manufacturing time at the factory is 25–45 calendar days from production start.
- Factory acceptanceFactory acceptance tests. We send photos and video of your transformer and the test reports before shipment.
- Delivery and documentsDelivery to site, customs clearance, technical passport and test reports in Russian.
Partner factory
- Factory quality management system to ISO 9001, ISO 14001 and ISO 45001
- 20 transformer types have passed state type tests in China
- Built to the customer's drawing and requirements, including non-standard voltages and designs
- Energy efficiency classes 1–3 per GB 20052-2024: you can choose a transformer with minimum losses