110kV Oil-Immersed Transformer
The 110kV-class oil-immersed transformer features low no-load loss and a controlled partial discharge level, with a long design life and excellent performance especially in environments with large temperature fluctuations or frequent load changes. It is a commonly used voltage-class solution for main-grid and distribution-network hubs.
Product Introduction
Key Specifications
Rated Capacity
50kVA to 1000MVA
Rated Voltage
HV side 110kV, LV side 0.4kV
Rated Frequency
50Hz or 60Hz
Vector group
Commonly Dyn11, Yyn0, Yd11
Applications
Urban main transformers
Urban main-grid substations, focusing on noise, energy efficiency and reliability
Dedicated park substation
Dedicated substations for industrial parks, emphasizing short-circuit resistance and low partial discharge
Regional hub
Regional backbone power supply nodes, focusing on service life and maintainability
Product Overview
- Fully enclosed production: constant temperature and humidity, clean-room control, lean management for improved consistency.
- Multi-level temperature control: temperature field simulation + staged temperature control optimize insulation thermal stability and heat dissipation.
- Silent design: noise reduced component by component at the source for quieter operation.
- Integral sealing: one-piece molded structure with multiple inspections to guard against leakage.
- High-efficiency core process: Swiss high-precision cross-cutting plus automatic stacking deliver lower no-load loss and about 20% overall loss reduction.
- Short-circuit verification: passed short-circuit impulse testing by an authoritative institution on the first attempt, with well-proven reliability.
Product Features
Excellent Energy-Saving Performance
Optimized core materials and structural design cut no-load loss by more than 10% and load loss by more than 5% versus current national standards, delivering overall energy efficiency well above industry benchmarks and meeting high-efficiency energy-saving requirements.
Silent Operation Solution
When operating in natural cooling mode, the product keeps noise within 60 dB. Customized low-noise solutions are available for special scenarios to achieve even quieter operation.
Enhanced Heat Dissipation
Combining premium insulating oil with optimized heat dissipation channels, it effectively improves cooling efficiency and significantly lowers operating temperature, enhancing equipment stability and extending product service life.
Stability and reliability
The design reinforces the short-circuit-resistant structure and anti-interference capability, enabling the product to operate stably for long periods in complex power systems and harsh environments, ensuring continuous and reliable power supply.
Sealed Leak-Proof Design
Optimized tank welding and sealing structure reduces leakage risk, suitable for long-term outdoor operation
Online Monitoring Interface
Reserved monitoring interfaces for oil temperature, winding temperature, gas, and more facilitate condition assessment and predictive maintenance
Standards and certifications
GB 1094
Power transformer
GB/T 6451
Technical Parameters and Requirements for Oil-Immersed Power Transformers
GB/T 10228
Technical parameters and requirements for power transformers
IEC 60354
Transformer Loading Guide
Technical Advantages
R&D cloud platform
Integrates electromagnetic optimization design, parametric drawing, performance analysis, structural optimization, and automatic drawing output for transformers, enabling shared transformer design resources and search, modification, and version control of all kinds of data.
Simulation Analysis
Flow field, temperature field, electric field, leakage magnetic field, wave process, and short-circuit force. The R&D and design of every product series are verified through flow field and temperature field simulation analysis to determine the winding average temperature rise and hot-spot temperature, ensuring product performance.
Smart O&M platform
By collecting key data such as transformer temperature, current, voltage, vibration, and grid harmonics, it enables online power quality analysis and fault alarms, and can be installed on mobile phones.
