The CTA-1000C variable frequency transformer comprehensive tester is designed for on-site detection of CT's volt ampere characteristics, transformation ratio, polarity, demagnetization, 5% 10% error curve, angle difference detection, etc. During the test, only the test voltage/current value needs to be set, without setting the step size, the equipment can automatically…

Friends working in the power industry should be familiar with DC resistance testers, which can be used for testing multiple types of electrical products. What is the specific situation? Below, we will introduce the electrical equipment suitable for DC resistance testers.The DC resistance tester is suitable for various electrical equipment,…

Generator rotor AC impedance tester, also known as: rotor AC impedance tester, generator rotor AC impedance tester, generator impedance tester, AC impedance tester, rotor impedance tester. Category: Generator, motor detectionMain purpose of the instrument:1. Testing of batteries and power suppliesThe AC impedance tester can be used to detect the internal…

In the power system, it is often necessary to conduct insulation strength tests on electrical products, equipment, insulation materials, etc. at specified voltages to assess the insulation level of products. At this time, we will use test transformers, DC high-voltage generators, series resonance, etc. to complete this test. Today, we…

Transformer on load tap changer (OLTC) is a mechanical device used to regulate the voltage and current of a transformer, change the effective number of turns, and adjust the parameters of the transformer (capacity, voltage, current). It plays an important role in the power system, so we need to regularly…

Electric friends should know that insulating oil is a widely used insulation material in power equipment. In order to ensure the insulation characteristics of insulating oil, we need to conduct testing work on it. Nowadays, we usually use a testing device called an insulating oil dielectric strength tester to test…

The temperature rise test is one of the important tests for the safety performance of electronic and electrical products, used to evaluate the quality and electrical safety characteristics of electrical products. During normal use, electrical products may experience excessive temperature rise due to the heat generated by some high current…

The microcomputer relay protection tester is a computer-controlled testing instrument for power system protection devices. It has the characteristics of high precision, multifunctionality, and easy operation, and can be used for testing, calibrating, and diagnosing relay protection devices in power systems. The following will introduce the selection principles of testers…

What are the types of insulation safety tools that can be classified into? Insulation safety tools can be divided into auxiliary insulation safety tools and basic insulation safety tools.Auxiliary insulation safety tools：Auxiliary insulation safety tools refer to insulation strength that does not withstand the working voltage of equipment or lines,…

When using a DC resistance tester, if a fault is encountered, corresponding solutions can be taken according to the type of fault:1. If there is no display after startup, it may be due to the lack of AC 220V. At this point, it is necessary to check the power cord…