35kV On-Load Tap-Changing Transformer
Standards
GB / IEC 60076
Testing
Routine report
Origin
China
35kV On-Load Tap-Changing Transformers
10000 kVA 35 kV Oil-Immersed power Transformer
The industry pain points lie in the fact that ultra-large-capacity Power Distribution Equipment is prone to overload, has unbalanced heat dissipation, and lacks multi-scenario adaptability. Your problem is that it is difficult to find high-end power supply equipment that can adapt to super-large loads, be safe and durable, and also be compatible across multiple scenarios. We have specially developed a 10000KVA/ 35kv Transformer , which can be flexibly selected as Oil Immersed Transformer or Dry Type Transformer . It is combined with High And Low Voltage Switchgear to achieve intelligent collaborative power distribution. In practical applications, it can stably carry an active load of 8000kW, effectively solving problems such as unstable power supply, insufficient heat dissipation, and poor adaptability in super-large scenarios. This product simplifies the operation and maintenance process and reduces long-term operating costs. The core value of this product lies in achieving efficient and stable conversion from 35KV high voltage to 0.4KV low voltage. It focuses on ultra-large capacity, high immunity, and strong adaptability, and is mainly applied in three core scenarios. It can operate in coordination with Box Type Substation and Electric Power Converter , seamlessly connect with Combined Photovoltaic Substations to complete large-scale power collection and grid connection, ensuring the safety, stability, and efficiency of ultra-large-scale power transmission.
- Product type
- 35kV On-Load Tap-Changing Transformer
- Rated capacity
- 10,000 kVA
- Voltage class
- 35 kV
- Cooling
- ONAN / ONAF
- Tap range
- Off-circuit or on-load, project-specific
- Winding
- Copper or aluminium (project-specific)
Final ratings, losses, impedance and dimensions are confirmed on the approved datasheet. Website values are for family selection.
- Routine test report with the unit
- English GA drawing and O&M manual
- Copper or aluminium winding options
- 50 Hz / 60 Hz and harsh-site options
Product overview
The industry pain points lie in the fact that ultra-large-capacity Power Distribution Equipment is prone to overload, has unbalanced heat dissipation, and lacks multi-scenario adaptability. Your problem is that it is difficult to find high-end power supply equipment that can adapt to super-large loads, be safe and durable, and also be compatible across multiple scenarios. We have specially developed a 10000KVA/ 35kv Transformer , which can be flexibly selected as Oil Immersed Transformer or Dry Type Transformer . It is combined with High And Low Voltage Switchgear to achieve intelligent collaborative power distribution. In practical applications, it can stably carry an active load of 8000kW, effectively solving problems such as unstable power supply, insufficient heat dissipation, and poor adaptability in super-large scenarios. This product simplifies the operation and maintenance process and reduces long-term operating costs. The core value of this product lies in achieving efficient and stable conversion from 35KV high voltage to 0.4KV low voltage. It focuses on ultra-large capacity, high immunity, and strong adaptability, and is mainly applied in three core scenarios. It can operate in coordination with Box Type Substation and Electric Power Converter , seamlessly connect with Combined Photovoltaic Substations to complete large-scale power collection and grid connection, ensuring the safety, stability, and efficiency of ultra-large-scale power transmission.
Core application scenarios (3 key points)
1. Core power distribution scenario for super-large industrial bases: Suitable for the core power distribution requirements of large metallurgical and chemical industrial bases, capable of handling the power load of multiple large production lines and high-power motor clusters. Combined with Oil Immersed Transformer and High And Low Voltage Switchgear, it can provide stable power supply 24/7, resist dust and temperature difference interference in industrial environments, and ensure continuous production.
2. Large-scale centralized photovoltaic power station hub scenario: As the core equipment for photovoltaic grid connection, it seamlessly connects with Combined Photovoltaic Substations and Electric Power Converters, enabling the collection and conversion of large-scale photovoltaic power. According to the outdoor deployment requirements of the power station, Oil Immersed Transformers can be selected to adapt to the complex outdoor climate, thereby improving the grid connection efficiency and stability.
3. Urban main network and hub power distribution scenarios: Used for power transmission in the main network of urban power grids, and core power distribution in large transportation hubs (high-speed railway stations, airports), meeting the requirements for high-density and high-reliability power supply. Dry Type Transformers are preferred, combined with Box Type Substations to achieve integrated power distribution control, meeting indoor fire prevention and cleanliness requirements, ensuring uninterrupted power supply in the core areas of the city.
Product Features (Key Extracts)
Design features
What the design is built around
Low-loss magnetic core
Cold-rolled grain-oriented silicon steel and a stepped core reduce no-load loss and audible noise.
Sealed tank construction
Welded tank, quality-gasketed cover and pressure-tested seals reduce oil leakage risk in outdoor duty.
Thermal margin for hot climates
Cooling surfaces and oil volume are selected for high ambient temperature and cyclic loading.
System compatibility
MV terminals, cable boxes and LV bushings are matched to the switchgear and protection scheme.
Typical specification
Specifications to confirm on the datasheet
| Product type | 35kV On-Load Tap-Changing Transformer |
|---|---|
| Rated capacity | 10,000 kVA |
| Voltage class | 35 kV |
| Cooling | ONAN / ONAF |
| Tap range | Off-circuit or on-load, project-specific |
| Winding | Copper or aluminium (project-specific) |
| Standards | GB 1094.1, GB/T 6451, IEC 60076 |
| Testing | Routine tests plus type and special tests on request |
The table is a family-level starting point. The approved datasheet fixes the guaranteed values, drawing dimensions and test plan for the specific order.
Typical applications
- 35 kV industrial main substations
- Utility distribution with voltage regulation
- Steel, cement and chemical plants
- Renewable-energy step-up
- Mining and oil-gas facilities
Confirm before ordering
- Rated capacity, voltage ratio and tap range
- Impedance, fault level and parallel operation
- Ambient temperature, altitude and enclosure
- Winding material, losses and efficiency class
- Terminations, protection and monitoring
- Tests, inspection, packing and shipping limits
Buyer questions
FAQ for 10000 kVA 35 kV Oil-Immersed power Transformer
What is 10000 kVA 35 kV Oil-Immersed power Transformer best used for?
What is the typical lead time for 10000 kVA 35 kV Oil-Immersed power Transformer?
Which standards and tests are supplied?
Can the transformer be customised for 60 Hz or a hot climate?
How do I choose between copper and aluminium windings?
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