Основные причины аномальных шумов масляного трансформатора

Основные причины аномальных шумов масляного трансформатора

The main reasons for the abnormal noises of oil-immersed transformer

The main reasons for the abnormal noises of oil-immersed transformer

Основные причины перегрева сухого трансформатора

Основными причинами перегрева сухого трансформатора являются внутренние неисправности, проблемы с нагрузкой, плохой отвод тепла и факторы окружающей среды.

The main reasons for the overheating of dry-type transformer

The main reasons for the overheating of dry-type transformer are internal faults, load problems, poor heat dissipation, and environmental factors.

В чем разница между сухим и масляным трансформатором?

Между сухими трансформаторами и масляными трансформаторами существует множество различий.

Quel est le transformateur le plus utilisé en Afrique? Quel est le transformateur le plus avantageux en Afrique ?

Transformateur immergé dans l'huile et transformateur sec Lequel des deux est le transformateur le plus avantageux en Afrique ? Quel est le transformateur le plus utilisé en Afrique? En Afrique, les transformateurs immergés dans l'huile sont plus largement utilisés pour les raisons suivantes : 1. Forte demande d'électricité : De nombreuses régions d'Afrique souffrent d'une pénurie d'électricité, nécessitant des générateurs et des transformateurs de grande capacité. Les transformateurs immergés dans l'huile peuvent fournir des tensions et des courants élevés, permettant ainsi de répondre à cette forte demande. 2. Forte adaptabilité environnementale : Les conditions climatiques de l'Afrique sont rudes. Les transformateurs immergés dans l'huile ont subi des tests et des vérifications rigoureux, offrant une fiabilité et une durabilité élevées. Ils peuvent fonctionner de manière stable dans des environnements difficiles et résistent à des problèmes tels que les températures élevées, l'humidité et la pollution. 3. Faible coût de maintenance : Pour les régions d'Afrique dépourvues de technologie professionnelle, le coût de maintenance des transformateurs immergés dans l'huile est inférieur à celui des transformateurs secs, car ils nécessitent moins d'inspection, de maintenance et d'entretien. 4. Économies élevées : Le coût des transformateurs immergés dans l'huile est généralement inférieur à celui des transformateurs secs et leur longue durée de vie leur confère un avantage économique. 5. Technologie mature : Les transformateurs immergés dans l'huile sont des équipements matures, stables et fiables. La construction de centrales électriques étant relativement tardive dans les pays africains, ces derniers ont tendance à privilégier des équipements matures.

What is the most advantageous transformer in Africa? What is the most widely used transformer in Africa?

In Africa, oil-immersed transformers are more widely used for the following reasons: 1. High Power Demand: In many parts of Africa, there is a shortage of electricity, and large generators and transformers are needed to meet the demand. Oil-immersed transformers can provide high voltage and high current outputs, which can meet the high power demand. 2. Strong Environmental Adaptability: The climatic conditions in Africa are harsh. Oil-immersed transformers have undergone strict testing and verification, with high reliability and durability. They can operate stably in harsh environments and can withstand problems such as high temperatures, humidity, and pollution. 3. Low Maintenance Cost: For regions in Africa that lack professional technology, the maintenance cost of oil-immersed transformers is lower than that of dry-type transformers because they require less inspection, maintenance, and upkeep. 4. High Economy: The cost of oil-immersed transformers is generally lower than that of dry-type transformers, and they have a long service life, which gives them an economic advantage. 5. Mature Technology: Oil-immersed transformers are mature equipment and are stable and reliable in use. Since the construction of power facilities in African countries is relatively late, they tend to choose mature equipment.

The differences between dry-type transformer and oil-immersed transformer

The differences between dry-type transformers and oil-immersed transformers, as follows: 1. Structure and Encapsulation: The iron core and windings of dry-type transformers are encapsulated with solid insulating materials such as resin casting. They have an open or semi-closed structure, allowing the internal components to be directly visible. The iron core and windings of oil-immersed transformers are immersed in transformer oil and encapsulated in a sealed oil tank. There are usually radiators on the outside. 2. Cooling Medium: Dry-type transformers use air or gases such as SF6 as the cooling medium. Oil-immersed transformers use transformer oil as the cooling and insulating medium. 3. Heat Dissipation Method: Dry-type transformers rely on natural air convection or forced air cooling by built-in fans for heat dissipation. Some high-end products use heat pipes and other means to enhance heat dissipation. Oil-immersed transformers transfer heat to the oil tank wall and heat dissipation devices through the circulation and convection of transformer oil for heat dissipation. 4. Capacity and Voltage Level: Dry-type transformers are usually used for small to medium capacities, and the voltage level generally does not exceed 35kV. Oil-immersed transformers are suitable for large capacities and high voltage levels. They have a wide capacity range, and the voltage level can reach 110kV and above. 5. Installation Environment and Safety: Dry-type transformers do not contain oil and have good fireproof performance. They are suitable for installation inside buildings and other places with high fire safety requirements. However, the operating environment has relatively strict requirements for temperature and humidity. In case of a fault in an oil-immersed transformer, it may lead to the combustion of the oil. They are usually installed in a dedicated indoor transformer room or an independent explosion-proof oil transformer house outdoors and require the installation of fire-fighting facilities. However, they have strong environmental adaptability. 6. Economy and Maintenance: The manufacturing process of dry-type transformers is complex, and the cost is high. But the maintenance is simple. There is no need to change the oil regularly. It is only necessary to pay attention to dust prevention, moisture prevention, and the operation of the fans. The initial investment of oil-immersed transformers is low. During maintenance, it is necessary to pay attention to the state of the insulating oil, and regularly take samples for testing, filtering, or replacement. However, they have a relatively strong overload capacity.

What are the conditions for immediate power outage of running dry-type transformers

1. The dry-type transformer must be shut down when it is on fire.2. The dry-type transformer must be shut down for inspection by professionals when it is found that severe breakage or discharging occurs to the bushing of the dry-type transformer.3. The dry-type transformer must be shut down when its oil conservator and air duct eject oil and smoke.

How can faults of the dry-type transformer be diagnosed based on abnormal sounds

There is no noise when the dry-type transformer is running, which is normal. Sometimes there are some noise, which indicates that it can be judged via the sound whether the transformer is faulty. Actually, it can be judged via the sound of the dry-type transformer whether any damage occurs to it. Generally speaking, if there are several problems with the sound of the dry-type transformer, it indicates that it has broken down and must be repaired. When there are such problems with the sound of the working dry-type transformer, it usually indicates that your dry-type transformer has broken down. Here are some details below: