Technical
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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 -
Application scope and scenarios of portable partial discharge detector
The portable partial discharge detector is mainly applicable for the insulation status detection of medium and high voltage (typically 3kV and above) electrical equipment. I. Types of Electrical Equipment Suitable for Detection Power cables and accessories Cable body: XLPE cables, high-voltage cr...Read more -
Explanation of the Selection Method for Relay Protection Comprehensive Test Instruments
The selection of a relay protection comprehensive test instrument is a systematic task that requires a comprehensive assessment of test requirements, equipment performance, ease of use, and budget. The following are the core selection steps and considerations: 1. Clarify Core Test Requirements (A...Read more -
Transformer Capacity Characteristic Tester Working Principle and Applications
The transformer capacity characteristic tester is a high-performance portable instrument that integrates multiple testing functions. This instrument is mainly used to measure the actual capacity, no-load loss, load loss, and other key parameters of distribution transformers on-site quickly and ac...Read more -
Cable insulation resistance measurement equipment and measurement methods
The measurement of cable insulation resistance is a crucial test for evaluating the insulation performance of cables and determining whether they can operate safely. The core of this test is to measure the insulation resistance values between the cable conductors and the insulation layer, between...Read more -
Cable insulation resistance measurement equipment and measurement methods
The measurement of cable insulation resistance is a crucial test for evaluating the insulation performance of cables and determining whether they can operate safely. The core of this test is to measure the insulation resistance values between the cable conductors and the insulation layer, between...Read more -
Application scope and scenarios of portable partial discharge detector
The portable partial discharge detector is mainly used for the insulation status detection of medium and high voltage (usually 3kV and above) electrical equipment. The applicable equipment types, application fields and typical scenarios are as follows: 1. Applicable equipment types Power cables a...Read more -
The Composition and Selection Method of Cable Fault Tester
Modern cable fault testing systems generally adopt the “comprehensive testing method”, using the combination of multiple technologies to achieve precise detection of different types of cable faults. A complete testing system mainly consists of a main control unit, a high-voltage signa...Read more