AC withstand voltage test, DC withstand voltage test, DC resistance test, transformation ratio test, loop resistance test, switch test test, dielectric loss angle test, insulation test, ground resistance test, cable and wire insulation diameter test , load test (current) air conditioner wind speed, pressure, temperature, humidity, noise test, lighting brightness test.
During the operation of electrical equipment, affected by electric field forces, operating temperature, air humidity, corrosive gases and other factors, the insulation condition will continue to deteriorate. This is a normal decline phenomenon. As long as If it meets the operating conditions specified by the equipment manufacturer, it can achieve a safe use period. However, due to the influence of certain adverse factors during operation, electrical equipment may not be able to reach its normal operating life. Therefore, it is necessary to conduct regular tests and inspections on the insulation condition of the equipment on time. Through analysis, it is determined whether the insulation aging degree of electrical equipment can meet the requirements of actual operation. Analyze the inspection and test results and adopt corresponding maintenance measures and operating regulations to maintain and ensure the normal working level of the equipment and ensure safe, economical and reliable operation.
The cases are as follows:
The current level three qualification for installation (repair and test) issued by the State Electricity Supervision Office can undertake power transformers of 110KV and below, high and low voltage distribution devices, and lightning protection devices. , preventive tests and handover tests of insulation devices, grounding devices, power cables, and switching devices.
Fatigue test data shows that the fatigue life of manganese phosphating coated elevator wire ropes is 3-4 times that of smooth steel wire ropes. It is the most advanced technology in the contemporary world's steel wire rope manufacturing industry and is practical. In terms of high quality, it can only be called high quality if it has a long service life. Manganese phosphating is a wear-resistant coating that completely solves the problem of fretting wear during the use of steel wire ropes. Preventing wear is more effective than oiling and maintenance. Some companies have mass-produced manganese-based phosphate-coated steel wire ropes by purchasing patent licenses. When receiving manganese-based phosphate-coated steel wire ropes, it is recommended to measure the phosphate film weight. The phosphate film weight is the manganese-based phosphate coating. The most important technical indicators of wire rope.