The large current generator can be used as a large current test device or primary current injection test is a Preventive maintenance technology. The performance of circuit breakers installed in electrical or automation systems is evaluated by injecting current. Due to the crucial importance of circuit breakers for the overall…

The grounding continuity detection equipment is a kind of equipment used to detect whether the Earthing system operates normally, which is usually used in the fields of power, communication, medical treatment, manufacturing, etc. During use, grounding continuity detection equipment is usually used to detect the following situations:1. Whether the grounding…

1. Infrared thermal imaging detectionInfrared thermal imaging detection is a very important and necessary test in substation detection. Imported infrared thermal imaging equipment is usually used to detect various transformers, fittings, insulators, etc. inside substations., Mark and recheck imaging equipment with abnormal high temperatures to confirm if there are any…

The main uses of DC high-voltage generators include the following aspects:1. Laboratory research:The DC high-voltage generator can simulate high-voltage environments in the laboratory and be used for various scientific research, material testing, and performance evaluation of electrical equipment. For example, conducting voltage withstand tests on insulation materials under high voltage…

The common faults and handling methods of DC high-voltage generators are as follows:1. Abnormal output voltage:It may be caused by issues such as power failure, output circuit short circuit, or open circuit. The treatment method includes checking the power supply and confirming whether the power supply is normal; Check the…

The supply of electricity is an essential factor in the development of the economy and the continuous progress of science and technology. The main structure of urban and rural power supply networks has already adopted power cables. Power cables have the advantages of high safety, good stability, and no impact…

There is a polarity relationship between the primary and secondary sides of the power transformer coil. If there are several coils or power transformers combined, their polarity needs to be known in order to be used correctly. For a power transformer with two coils, if the electric potential induced within…

The vacuum circuit breaker adopts a vacuum arc extinguishing chamber, and the dynamic and static contacts in the vacuum arc extinguishing chamber adopt flat butt contact. In order to ensure good contact between the dynamic and static contacts, sufficient contact pressure must be ensured; During the closing process of the…

One of the main differences between CT and PT transformers is their functionality.On the one hand, current transformers can reduce high currents to a safer and easier to manage level for you to measure. It converts large primary currents into small 1A/5A currents, which can be measured on an ammeter.On…

Cable withstand voltage test is a method of detecting faults in the presence of cables. During the testing process, it is susceptible to various factors, leading to problems such as faults and short circuits. Below are several main methods for cable withstand voltage testing.1、 Super low frequency withstand voltage testThe…