When using a three-phase relay protection tester for pre-fault state testing, it is necessary to set parameters, connect equipment, and simulate normal operating conditions according to standard procedures.  Time control and triggering methods must be used to ensure the tester accurately enters the pre-fault state. The following are the specific…

A fully automatic oil dielectric breakdown voltage tester is a key piece of equipment used to measure the dielectric strength of insulating oil, and is widely used in power equipment maintenance, transformer oil testing, and other fields. Below, we will analyze the advantages and disadvantages of this equipment in detail.1.…

When selecting a transformer winding deformation tester, comprehensive consideration should be given to core dimensions such as testing method, accuracy, frequency range, number of channels, intelligent functions, anti-interference ability, brand reputation, and after-sales service.  The following are specific recommendations:1. Clarify Testing Method RequirementsTransformer winding deformation testers mainly use the sweep…

The core working principle of a transformer winding deformation tester is based on the frequency response analysis method. By analyzing the changes in the electrical characteristics of the transformer winding at different frequencies, it determines whether its mechanical structure has undergone deformation. The following is a detailed explanation of its…

A generator AC impedance tester is a professional device used to measure the AC impedance characteristics of generator windings. Its core function is to assess the health status of the generator by analyzing impedance parameters (such as resistance, reactance, and phase angle). The following are its typical application scenarios and…

When choosing battery internal resistance testing equipment, you need to consider five core dimensions: accuracy, functionality, applicable scope, ease of operation, and after-sales service.  The type of equipment should also be matched to the specific application scenario (such as automotive maintenance, industrial testing, outdoor operations, etc.). Here's a detailed analysis:1.…

A battery internal resistance tester is a portable device used to assess the health, state of charge, and connection resistance of batteries. It supports online/offline testing of single or multiple batteries, and can obtain key parameters such as voltage, internal resistance, and capacity without discharging the battery.1. Advantages of the…

Internal resistance testing of batteries is a crucial step in assessing their health, predicting remaining lifespan, and preventing failures. Internal resistance testing measures the internal resistance value of the battery, reflecting problems such as aging of battery plates, electrolyte drying, or loose connections. The following are detailed testing steps, method…

The operational stability of transformers is affected by multiple factors, involving various aspects such as design, manufacturing, operating environment, and maintenance management. The following is a detailed analysis from both internal and external factors:1. Internal Factors① Design RationalityWinding structure: The number of turns, arrangement, and insulation design of the windings…

Short-circuit loss and leakage flux loss are two important types of energy loss during transformer operation, significantly affecting the transformer's efficiency, temperature rise, and operational stability. The following is a detailed explanation:1. Short-Circuit Loss (Copper Loss)① Definition:Short-circuit loss refers to the power loss generated inside the transformer when the secondary…