No partial discharge test transformer

Non partial discharge test transformer is a special transformer used for testing and inspection of power equipment. Its main function is to perform partial discharge testing at high voltage and high frequency. It is widely used in the power industry and is crucial for ensuring the safety and reliability of equipment.

Traditional partial discharge test transformers have some problems, such as environmental impact and high maintenance costs. The experimental transformer solves these problems by adopting * technology and design. Firstly, the test transformer adopts special insulation materials and structures to reduce the possibility of partial discharge. Secondly, the design of the test transformer is more compact, occupying a smaller area and reducing its impact on the environment. In addition, it is equipped with a monitoring system that can monitor the working status of power equipment in real time, detect potential problems in a timely manner, and carry out repairs.

Experimental transformers play an important role in the research and development, production, and operation of power equipment. Firstly, it can simulate a real working environment, conduct comprehensive testing and evaluation of power equipment, and ensure that the quality and performance of the product meet relevant standards. Secondly, it can help detect potential fault points in power equipment, take timely maintenance measures, and avoid further expansion of faults. In addition, the test transformer can also conduct long-term operational tests on power equipment to verify its reliability and stability.

By using test transformers, power companies and equipment manufacturers can improve the reliability and safety of equipment, reduce failure rates and maintenance costs. At the same time, it also helps promote the development and innovation of the power industry. By conducting more accurate and reliable testing of power equipment, test transformers provide important support for the development of new power equipment and processes.

Technical parameters of transformer without partial discharge test:

1. Partial discharge capacity (insulated cylinder type)

A. 10-200KV rated voltage (UH), local discharge capacity ≤ 3-5Pc at 100% UH

B. 250-300KV rated voltage (UH), local discharge capacity ≤ 5Pc at 100% UH

C. 350-750KV rated voltage (UH), local discharge capacity ≤ 5Pc at 80% UH, ≤ 10Pc at 100% UH

D. 800KV~1500KV rated voltage (UH), local discharge capacity ≤ 10Pc at 80% UH

2. Cascade test transformer, uneven voltage distribution between two or three sections ≤ 5%

3. Allowable operating time: The test transformer can run for 30 minutes from ambient temperature at rated voltage and current, and can run continuously at two-thirds of the rated voltage and current

4. The impedance of a single test transformer is 3% to 12%, and the impedance of a series connection is 5% to 25%

5. Waveform distortion rate<3%

6. The remaining parameters comply with the provisions of JB/T9641-1999<<Test Transformer>>

Selection parameters: