10kV substation electrical test equipment is a key tool for testing and evaluating the performance of substation equipment. These devices play a vital role in ensuring the safe and stable operation of the power system. The following are some common 10kV substation electrical test equipment and its functions:
1, high voltage test transformer: used to generate high voltage to carry out insulation strength test of electrical equipment. It can provide stable and continuous high voltage output to meet various test needs.
2, insulation resistance tester: used to measure the insulation resistance of electrical equipment, to determine whether its insulation performance is good. By measuring the insulation resistance, you can discover the insulation defects and aging of the device in time.
3, DC resistance tester: used to measure the winding DC resistance of transformers, motors and other equipment, to determine its conductive performance. By comparing the DC resistance values at different temperatures, it is possible to evaluate the changes in the electrical conductivity of the device.
4, dielectric loss tester: used to measure the dielectric loss of electrical equipment, evaluate its insulation performance. Dielectric loss is an important index to reflect the aging and damp condition of equipment insulation.
5, partial discharge detector: used to detect the partial discharge phenomenon inside the electrical equipment, timely discovery of potential insulation defects. Partial discharge is one of the main causes of equipment insulation failure, so the equipment is of great significance in preventing failure.
6, transformer comprehensive tester: used to test the performance parameters of transformers (such as current transformers, voltage transformers), such as ratio, polarity, error, etc. Transformer is an important measuring and protection equipment in power system, its performance directly affects the safety and stable operation of power system.
7, arrester characteristics tester: used to test the performance parameters of the arrester, such as leakage current, residual pressure, etc.
8, lightning arrester is an important equipment to protect electrical equipment from lightning overvoltage, its performance is directly related to the safety of equipment.
In addition, it may also include some auxiliary equipment, such as high voltage switches, voltage dividers, test wire clips, etc., to complete a variety of complex electrical test tasks. When using these electrical test equipment, safety operation procedures must be strictly observed to ensure the safety of test personnel. At the same time, the equipment is regularly maintained and calibrated to ensure its accuracy and reliability. Through reasonable use and maintenance, these electrical test equipment can provide strong support for the safe and stable operation of 10kV substation.