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Fengguang Transformer
10000 kVA 35 kV Oil-Immersed power Transformer — Fengguang Transformer 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

10,000 kVA 35 kV 35kV On-Load Tap-Changing 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.

Quick answer. 10000 kVA 35 kV Oil-Immersed power Transformer is a 35kV On-Load Tap-Changing Transformer rated 10,000 kVA at 35 kV. Typical applications include 35 kV industrial main substations, Utility distribution with voltage regulation, Steel, cement and chemical plants. It is designed to GB 1094.1 and IEC 60076, with routine tests recorded against the approved 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)

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
GB 1094.1· GB/T 6451· IEC 60076· ISO 9001 / 14001 / 45001· CE where applicable

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?
This model is specified at 10,000 kVA and 35 kV. It is used where the site load, fault level and environmental conditions match the approved datasheet. Share the load profile, ambient temperature, altitude and grid code and the design can be checked against the application.
What is the typical lead time for 10000 kVA 35 kV Oil-Immersed power Transformer?
Standard distribution units typically ship in 25-40 days after drawing approval. Large power transformers and integrated stations are scheduled by design review, core and winding production, tanking, testing and packing. The exact date is confirmed in the quotation.
Which standards and tests are supplied?
The transformer family is designed to GB 1094.1, GB/T 6451 and IEC 60076. Routine tests include winding resistance, ratio, impedance, no-load loss, load loss, insulation resistance and power-frequency withstand. Type and special tests are available on request.
Can the transformer be customised for 60 Hz or a hot climate?
Yes. Frequency, ambient temperature, altitude, enclosure, corrosion class and terminal arrangement are project inputs. The design is adjusted before production, and the approved datasheet becomes the inspection basis.
How do I choose between copper and aluminium windings?
Copper gives higher short-circuit strength and a more compact winding; aluminium can reduce first cost for lightly loaded units. The choice depends on fault level, load profile, loss evaluation and the buyer's specification. Both are available.

Related models

Other configurations in this family

All 35kV OLTC Transformer

Project inquiry

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