Technical Guide
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General selection method for insulating oil chromatographic analyzer
The selection of an insulating oil chromatography analyzer is not merely a matter of purchasing an instrument; the core lies in establishing a reliable and sustainable system for analyzing dissolved gases in oil. The selection process should follow scientific steps and principles, as detailed bel...Read more -
Selection Method for Handheld Three-Channel DC Resistance Tester
Selection is a systematic process of gradually matching the performance of the instrument based on one’s own needs. Please follow the following five steps: Step 1: The primary task – Clearly define the test object and core requirements This is the foundation of the selection process. ...Read more -
Composition and Main Functions of the Test Transformer Operating Box
The test transformer operation box (also known as the control box, control console or voltage regulator) is the core control unit of the high-voltage test system, responsible for safely, smoothly and accurately regulating and outputting the voltage required by the high-voltage test transformer. 1...Read more -
The application scope of the three-frequency induction withstand voltage test device
The core purpose of the withstand voltage test is to evaluate the electrical strength of the main insulation (winding-to-ground and phase-to-phase) and the longitudinal insulation (phase-to-phase, layer-to-layer, and section-to-section) of electromagnetic power equipment such as transformers and ...Read more -
Dry-type transformer partial discharge test equipment and test methods
The core components of the partial discharge testing system include the test power supply, coupling capacitor, detection impedance, partial discharge measuring instrument, calibrator, as well as the shielding and grounding system. The functions and requirements of each part are as follows. I. Sys...Read more -
The composition and selection method of the power frequency withstand voltage test device
I. Composition of the Power Frequency Withstand Voltage Test Device A complete power frequency withstand voltage test device is mainly composed of the following core components and optional parts: Test Transformer As the core unit of the device, its function is to increase the input low voltage t...Read more -
General Selection Method for SF6 Moisture Testers
The SF6 micro moisture tester (also known as SF6 dew point meter or SF6 humidity tester) is a crucial piece of equipment in industries such as power, petrochemical, and manufacturing. The selection process for SF6 micro moisture testers can follow a clear path of identifying core requirements, de...Read more -
The composition and selection method of the lightning impulse voltage test system
The lightning impulse test is a crucial high-voltage test for evaluating the insulation strength of electrical equipment, used to simulate the equipment’s tolerance to lightning overvoltage during operation. I. Main Components of the System A complete lightning impulse voltage test system c...Read more -
Selection Method Explanation for Battery Charge and Discharge Testers
The selection of a battery charging and discharging tester should be based on comprehensive consideration of the testing requirements, battery parameters and budget. The core selection steps and key parameters are as follows: 1. Clearly define the core requirements Testing purpose It is necessary...Read more -
Working Principle and Applications of Handheld Loop Resistance Tester
The handheld loop resistance tester is an important tool in the power system used for measuring the loop resistance of high-voltage equipment such as switches, circuit breakers, and busbars. Its core purpose is to check whether the conductive performance of the relevant connection points is good,...Read more -
The Working Principle and Main Types of Transformer Calibrator
The transformer calibration instrument is a core precision instrument used in the power system for detecting and calibrating the performance of current transformers (CT) and voltage transformers (PT/VT). It plays a crucial role in power metering, relay protection, and power system monitoring. Thi...Read more -
The working principle of the high-voltage switch mechanical characteristic tester
The mechanical characteristic tester for high-voltage switches is a specialized device used to measure and analyze various mechanical and electrical time parameters of high-voltage switchgear (mainly circuit breakers) during the opening and closing operations. This equipment can be used to assess...Read more