EN +86 13706354419 sdbyqcj@163.com
Oil-immersed Transformer
Trusted Power Electrical
Transformer Manufacturers

Our Process

Inquiry

Project Review

Machining

Quality Control

Pass/Fail

Delivery

Home  /  Products  /  Oil-immersed Transformer

Recommended Product

Hot News

S20-2500KVA oil immersed transformer
S20-2500KVA oil immersed transformer
S20-2500KVA oil immersed transformer
  • S20-2500KVA oil immersed transformer
  • S20-2500KVA oil immersed transformer
  • S20-2500KVA oil immersed transformer

S20-2500KVA oil immersed transformer

Product Details:

In-Depth Analysis of S20-2500KVA Oil-Immersed Transformer


Product Introduction

  In-Depth Analysis of S20-2500KVA Oil-Immersed Transformer

  I. Basic Parameters and Technical Specifications


201708201716289596.JPG

201710171056039528.JPG

01非晶合金.jpg

ParameterTechnical Specifications
Rated Capacity2500KVA
Voltage ClassStandard configuration: 10kV/0.4kV; customizable for special voltage classes such as 35kV
Cooling MethodOil-immersed cooling, utilizing oil circulation for heat dissipation, with excellent heat dissipation and insulation performance
Insulation ClassClass F insulation, ensuring stable operation under high-temperature conditions
Short-Circuit ImpedanceOptions include 4.0, 4.5, 5.0, etc., to adapt to different system requirements
Temperature Rise Limit60K, compliant with relevant standards
Energy Efficiency ClassCompliant with GB 20052-2020 Class II energy efficiency standards, high efficiency, and low operating costs
Protection ClassTypically IP20 or above, dustproof and splash-proof, suitable for outdoor environments


  II. Performance Characteristics

  High Efficiency and Energy Savings

  Utilizes high-quality silicon steel sheet cores and all-copper windings to effectively reduce no-load and load losses, compliant with national Class II energy efficiency standards.

  Energy savings at 75% load rate can recoup additional investment costs within 3-5 years.Strong Environmental Adaptability

  Oil-immersed design enables stable operation in harsh environments, such as high temperatures, humidity, and dusty outdoor conditions.

  Protection class IP20 or above, customizable for higher protection classes to suit special environments.High Reliability

  Simple and compact structure, easy maintenance, with high electrical and mechanical strength.

  Adopts advanced insulation materials and manufacturing processes to ensure long-term stable operation.Cost-Effective

  Lower manufacturing costs compared to dry-type transformers, offering high cost performance.

  Simple maintenance; only the transformer top cover needs to be opened for internal inspection during maintenance, eliminating the need for complete disassembly.Intelligent Temperature Control

  Equipped with temperature measurement and protection devices, automatically starting and stopping fans to ensure the transformer operates within a safe temperature range.

  Features over-temperature warning and tripping functions to protect the transformer from damage.III. Application Scenarios

  Power Systems

  Used in power transmission and distribution, serving as a critical device in the power grid to ensure efficient power transmission and distribution.

  Functions in voltage stepping up, stepping down, and transformation to meet different voltage class requirements.Industrial Sector

  Widely applied in industries requiring substantial power supply, such as steel and petrochemicals.

  Provides stable and reliable power for the power supply systems of large factories, mines, and other industrial enterprises.Commercial Facilities

  Meets the power demands of shopping malls, office buildings, and other commercial facilities.

  Supplies sufficient power for large venues, exhibition centers, and similar sites.Urban Infrastructure

  Used in the power supply systems for urban road lighting, public transportation, and other urban infrastructure.

  Acts as a hub device in urban power supply networks, supplying power to surrounding buildings and facilities.Renewable Energy Sector

  Serves as a key device for energy conversion and distribution in renewable energy projects such as wind and solar power.

  Enables efficient utilization and stable output of renewable energy.

  IV. Structure and Materials

ComponentMaterials and Processes
CoreAdopts high-permeability, low-loss silicon steel sheet materials with a stepped multi-stage joint structure to reduce no-load losses and no-load currents
WindingsHigh-voltage coils are multi-layer cylindrical; low-voltage coils are cylindrical or new spiral types, with interlayer insulation using adhesive-coated paper for good mechanical strength
Insulation SystemMainly uses paper insulation materials with high electrical performance and heat resistance
Oil TankCorrugated rectangular oil tank with automatically welded corrugated sheets and full, smooth welds to ensure no oil leakage. External fasteners are made of stainless steel for corrosion and rust prevention
Cooling SystemOil-immersed cooling, dissipating heat through oil circulation


  V. Certifications and Standards

  National Standards: Compliant with GB/T 1094.1-2013, GB/T 1094.2-2013, GB 20052-2020, and other standards to ensure product quality and performance.

  International Certifications: Some products may pass international certifications such as CE and UL, suitable for export markets.

  Safety Certifications: Passed relevant safety certifications, such as CNAS, to ensure product safety and reliability.VI. Suppliers and Pricing

SupplierPrice Range (RMB/Unit)Product Highlights
Shandong Jiaxing ElectricStarting from 220,000 (minimum order of 2 units)All-copper windings, Class II energy efficiency, oil-immersed cooling, suitable for multiple voltage classes
Jiangsu Juli293,000Customizable services, high efficiency, strict quality control, suitable for power systems and industrial sectors

Price Fluctuation Factors:

  Customization Requirements (voltage class, protection class, intelligent functions)

  Purchase Quantity (bulk purchase discounts)

  Material Costs (fluctuations in copper and silicon steel sheet prices)

  Additional Services (installation and commissioning, warranty period)VII. Maintenance and Care

  Regular Inspections

  Monthly checks on grounding resistance, lead terminal tightness, and insulation resistance.

  Semi-annual dust cleaning and testing of temperature controllers and fans.Oil Level Checks

  Maintain proper oil levels; regularly check for normal oil levels and promptly address any abnormalities.Overload Management

  Avoid prolonged overload operation to prevent equipment damage or shortened service life.Environmental Control

  Install transformers in dry, well-ventilated environments free from corrosive gases.

  Maintain appropriate indoor temperature and humidity to prevent transformer overheating or moisture ingress.Fault Handling

  Immediately shut down for inspection in case of abnormal temperature rise or increased noise.

  Regularly conduct insulation resistance tests and partial discharge detection to ensure transformer safety.Conclusion:

  The S20-2500KVA oil-immersed transformer, with its high efficiency, reliability, and strong adaptability, has become the preferred choice for large-scale power systems and industrial sectors. Users should consider load characteristics, environmental conditions, and energy efficiency requirements when selecting models, prioritizing suppliers with international certifications and focusing on total cost of ownership (TCO). Regular maintenance can extend the service life to over 30 years, ensuring long-term stable operation.


Leave Us Your Information And One Of Our Experts Will Assist You

Copyright © 2024 Derun Transformer Co., Ltd. All Rights Reserved.     Privacy Policy