The capacitance and inductance tester is an instrument used to measure the performance and parameters of capacitance and inductance devices. It usually consists of a capacitance measurement unit and an inductance measurement unit, which can be measured and tested for different applications. Testers are widely used in fields such as…

Transformer ratio tester is an instrument used to measure the transformer ratio, also known as a transformer ratio meter. The working principle of a transformer ratio tester is to calculate the transformer ratio by inputting signals to the transformer and measuring output signals. During the testing process, a signal with…

The microcomputer relay protection tester can perform the following test items:1. Electrical characteristic testing of switches, such as closing time, opening time, closing current, opening current, etc.2. Test the excitation characteristics of closing, such as closing time, closing current, closing stability, etc.3. Testing of opening excitation characteristics, such as opening…

When using a DC resistance tester for testing, the following precautions should be taken:1. Ensure safety:Before conducting the test, it is necessary to ensure that the testing instrument and the tested circuit are disconnected and the power supply is disconnected. Ensure that no voltage or current passes through the tested…

Cable fault tester is a professional equipment used to detect and locate faults in power cables, such as short circuits, open circuits, insulation damage, etc. It achieves rapid positioning and judgment of cable faults by utilizing electromagnetic wave propagation characteristics and reflection phenomena, combined with specific testing techniques and signal…

The generator rotor AC impedance tester is a specialized instrument used to test the AC impedance of the generator rotor, used to detect the insulation condition and performance of the generator rotor. The following will introduce the functions and operating precautions of the tester.Function:AC impedance test: Calculate the AC impedance…

The dielectric strength test of insulating oil is a test method used to measure the dielectric strength of insulating oil, which can evaluate the insulation performance of insulating oil in electrical equipment. The dielectric strength tester for insulating oil is a specialized device that generates breakdown phenomenon in insulating oil…

When the transformer trips automatically, it is necessary to first confirm the cause and condition of the trip before proceeding with the treatment. The following are some common methods and steps for handling automatic tripping of transformers:① Confirm the cause of the trip: Check the circuit and equipment to determine…

The frequency conversion series resonance testing device is a specialized equipment used for frequency conversion resonance testing of large capacity transformers and transformers in high-voltage power systems. It can be used to determine the insulation level and performance of transformers and transformers under power frequency voltage. The selection of frequency…

Dielectric loss tester is a novel method for measuring the tangent value of dielectric loss angle (tg δ） Intelligent instrument with capacitance value (Cx). It is possible to measure the dielectric loss tangent (tg) of various insulation materials, insulation sleeves, power cables, capacitors, transformers, and other high-voltage equipment on site…