철도 운영자를 위한 안정적인 전력: 110kV 침지형 견인 변압기

중국의 전기철도 네트워크가 급속히 확장되면서, 그만큼 110kV oil immersed railway traction transformer that provides core power is playing an increasingly critical role. This article will delve into the working principle and unique advantages of this key equipment, and analyze its irreplaceable value in the era of high-speed rail.

Oil-Immersed Traction Transformer

1.What is a 110kV oil immersed railway traction transformer?

간단히 말해서, it is the “heart” of the electrified railway traction power supply system. It is installed in traction substations along the railway line, undertaking crucial tasks of energy conversion and distribution.

1.1 Core Functions and Mission

Its main missions are twofold. Firstly, the 110kV high-voltage electricity input from the State Grid will be safely stepped down to a voltage level suitable for electric locomotives of 27.5kV or 55kV. Secondly, it needs to adapt to the special working conditions of severe fluctuations in locomotive load, ensuring the continuity and stability of power supply.

1.2 Key working environment

Unlike ordinary distribution transformers, its working environment is extremely harsh. Firstly, electric locomotives are mobile and highly impactful loads, and starting and stopping them can cause sudden and drastic changes in current. Secondly, it requires 7×24 hours of uninterrupted operation and faces severe natural challenges such as wind, 비, 먼지, and temperature differences.

2.Why is oil immersed technology still the mainstream choice at present?

Despite the development of dry-type transformer technology, oil immersed structures still dominate in high-voltage and high-capacity scenarios, especially in the highly reliable railway field.

2.1 Excellent insulation and heat dissipation performance

변압기 오일 (mineral oil or ester oil) has much higher insulation strength than air and can effectively protect internal high-voltage coils. 동시에, the oil circulation system can efficiently remove the huge heat generated by the iron core and coil, and dissipate it through the heat sink, ensuring that the transformer will not overheat under long-term heavy load and has a longer service life.

2.2 Powerful overload and impact resistance capability

The transformer oil and specially reinforced internal structure enable it to withstand the huge current surge and instantaneous overload generated during the start-up of electric locomotives. This innate resilience is crucial for ensuring the safety of railway transportation.

2.3 Balancing Economy and Reliability

Oil immersed technology is mature and the manufacturing industry chain is complete. Under the same performance requirements, its cost is usually lower than that of dry solutions. 그 동안에, its long lifespan and low failure rate bring extremely high full lifecycle value.

Gas relay used on 110kV oil immersed transformer

3.Technological hotspots and future development trends

To adapt to the development of “smart railways” 그리고 “green railways”, 110kV oil immersed traction transformers are also constantly evolving.

3.1 Intelligence and Status Monitoring

The new generation of transformers generally integrates intelligent monitoring systems. 예를 들어, online oil chromatography analysis devices can monitor the composition and content of dissolved gases in transformer oil in real time, accurately predict internal latent faults, achieve predictive maintenance, and avoid sudden power outages.

3.2 Environmental Protection and Safety Enhancement

The use of high ignition point and biodegradable natural ester insulating oil (vegetable oil) has become an important trend. This type of oil not only has higher fire safety, but also is more environmentally friendly and meets the requirements of sustainable development.

3.3 Low loss and high energy efficiency

With the increasingly strict requirements of the country for energy conservation and emission reduction, manufacturers are committed to using low loss materials such as amorphous alloy iron cores to effectively reduce the no-load loss of transformers and save a lot of electricity costs for railway operations.

In summary, the 110kV oil immersed railway traction transformer, with its enduring reliability, strong environmental adaptability, and continuous technological innovation, remains the cornerstone equipment supporting the vigorous development of China’s electrified railways, especially high-speed railways. Its stable operation is directly related to the smoothness of the national economic artery.

낙양대당에너지기술유한회사, 주식회사. R을 통합하는 하이테크 기업입니다.&디, 변압기 등 전력기기 제조 및 공급, 새로운 에너지 성분, 배전 캐비닛 및 인버터. 기술혁신을 핵심으로, 우리는 글로벌 고객에게 서비스를 제공하기 위해 높은 신뢰성과 고성능 전력 솔루션을 만드는 데 중점을 두고 있습니다.. 엄격한 품질관리 시스템과 국제표준 인증으로, 앞으로도 우수한 제품을 생산하여 고객이 안전하고 안정적인 전력시스템을 구축할 수 있도록 하겠습니다..