High Voltage Oil-Immersed Power Transformer up to 420000kVA

Product Details
Customization: Available
Application: Power
Phase: Three
Diamond Member Since 2020

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  • High Voltage Oil-Immersed Power Transformer up to 420000kVA
  • High Voltage Oil-Immersed Power Transformer up to 420000kVA
  • High Voltage Oil-Immersed Power Transformer up to 420000kVA
  • High Voltage Oil-Immersed Power Transformer up to 420000kVA
  • High Voltage Oil-Immersed Power Transformer up to 420000kVA
  • High Voltage Oil-Immersed Power Transformer up to 420000kVA
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Basic Info.

Model NO.
S11
Cooling Method
Oil-immersed Type Transformer
Winding Type
Multi-winding Transformer
Certification
ISO9001-2000, ISO9001
Usage
Power Transformer
Frequency Characteristics
Power Frequency
Shape of Core
Ring
Brand
Ceeg
Rated Capacity
31500-420000kVA
Primary Voltage
220/230/242kv
Secondary Voltage
115/121/69/66/63/33/35/38.5kv
Frequency
50/60Hz
Impedance
12/14
Connection Symbol
Ynyn0/Ynd11/D11
Tapping Range
8*1.25%/2*25%
Trademark
CEEG
Origin
Jiangsu, China
HS Code
8504349000
Production Capacity
1

Product Description

The CEEG 220kV oil-filled power transformer is a pinnacle of engineering excellence, designed to serve urban power grids, power stations, and large industrial and mining enterprises. With its high overload capacity, no partial discharge, low noise, and superior short circuit resistance, this transformer significantly enhances the stability of power supply systems. Through our specialized design, we've achieved a remarkable 20% reduction in no-load loss, a 5% decrease in load loss, and a reduction of noise levels by 3-5 dB compared to national standards. Our diverse range of models includes S11, S18, S20, SS20, SSZ20, SSZ22, OSSZ20, and more.

Introducing our robust three-phase, three-winding 180,000kVA/220kV liquid-filled transformers, meticulously crafted to meet the demanding needs of multiple power stations. These transformers come with an array of outstanding features:

1. No Partial Discharge : The actual measured partial discharge is impressively less than 50pC, even lower than the background noise.

2. High Efficiency and Low Loss : Our cutting-edge core and coil design, combined with advanced leakage magnetic flux control technology, effectively minimizes additional and stray losses.

3. Low Noise : The actual measured noise levels are below 60dB, significantly surpassing national standard requirements.

4. Intelligent Design : Engineered to meet the stringent operational requirements of modern intelligent substations.

5. Maintenance-Free Design : Featuring air self-cooling methods, fiberglass dry-type bushings, and metal corrugated internal oil-type conservators, this comprehensive design eliminates routine on-site maintenance, making it perfect for unattended substations.

6. Compact Structure Design : Utilizing the industrially advanced 220kV end inlet method, this design ensures a compact overall structure, facilitating easier transportation and on-site installation.

7. Strong Short Circuit Resistance : Employing international short-circuit mechanical force verification procedures, we ensure that all assembly stages of the transformer body meet rigorous design requirements.

8. Over 40-Year Design Life : Our unique high-temperature-resistant hybrid insulation system, based on temperature field simulation analysis, guarantees that all components are designed to last as long as the transformer itself.

9. Passes All Routine and Type Tests at Once : This transformer meets advanced domestic performance standards, passing all routine and type tests on the first go.

DuPont Nomex--World-Recognized High-Quality Electrical Insulating Materials
High Voltage Oil-Immersed Power Transformer up to 420000kVA
Chemical Stability: Thanks to their robust chemical stability, these materials are free from weak C-H bonds.

Heat Resistance: They maintain stable operation at 220
ºC for extended periods and can handle short-term operation at 350
ºC. Even at 250
ºC, they do not melt, flow, or support combustion. At extreme temperatures of 750
ºC, they emit no toxic or corrosive gases.

Safety and Environmental Protection: These materials are safe for both humans and animals, producing low smoke concentrations and no harmful gases when burned.
 
High Voltage Oil-Immersed Power Transformer up to 420000kVA


In-house High Voltage Testing Center
High Voltage Oil-Immersed Power Transformer up to 420000kVAHigh Voltage Oil-Immersed Power Transformer up to 420000kVAHigh Voltage Oil-Immersed Power Transformer up to 420000kVA

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