What are the accessories of transformer?

2023-12-25 12:19 | By: ZTELEC-www.ztelecgroup.com | 68click

Accessories of a transformer usually include various components and equipment used to ensure the normal operation, safety and ease of monitoring and maintenance of the transformer. Here are some common transformer accessories:

1. Oil tank (or oil tank): A container used to store transformer insulating oil. Tanks usually have leak-proof devices and coolers.

2. Insulating oil: Insulating oil is the insulating medium in the transformer, which helps to isolate the windings and improve the insulation performance.

3. Cooler: used for heat dissipation to prevent the transformer from overheating. The cooler can be an oil cooler, an air cooler, or a combination of both.

4. Oil level gauge: Used to measure the oil level of insulating oil to ensure the appropriate level of oil.

5. Oil thermometer: Used to measure the temperature of insulating oil and help monitor the working status of the transformer.

6. Explosion-proof device: Some transformers may need to install explosion-proof devices to ensure safe operation under abnormal conditions.

7. Gas relay: Used to monitor the gas concentration inside the transformer. Especially when the transformer fails, some gas will be produced, which can help determine the health status of the transformer.

8. Overload protection device: Used to monitor the load condition of the transformer. Once the load exceeds the rated value, the overload protection will be triggered.

9. Current transformer (CT) and voltage transformer (PT): used to measure current and voltage and provided to protection devices, measuring instruments, etc.

10. Protection relay: Used to monitor the operating status of the transformer. Once an abnormality is found, such as short circuit or overload, the corresponding protection action will be triggered.

11. Temperature controller: Used to monitor the temperature inside the transformer to ensure it works within the allowed temperature range.

12.Hygrometer: Used to measure the humidity inside the transformer and helps in maintaining the proper humidity level.

The selection and installation of these accessories usually depends on the transformer type, specification, application scenario and specific requirements. Different transformers may require different combinations of accessories to meet their specific operating needs.

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