Technical
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Overview and Application Scenarios of Impact Voltage Generator
The impulse voltage test system is a testing equipment that simulates pulsed high voltage. In real life, pulsed high voltage is often encountered. For example, in nature, when lightning strikes, there will be extremely high pulsed current and voltage at the strike point, and a very high pulsed vo...Read more -
Frequency conversion resonance withstand voltage test device test failure and solution methods
The variable frequency resonant withstand voltage test device is widely used in industries such as power, railway electrification, steel, machinery, metallurgy, petroleum, and chemical engineering. It is suitable for AC withstand voltage tests of capacitive test samples with high voltage and larg...Read more -
Detailed Explanation of the Differences Between Series Resonance and Parallel Resonance
The variable-frequency series resonance device is widely used in industries such as power, railway electrification, steel, machinery, metallurgy, petroleum, and chemical engineering. It is suitable for AC withstand voltage tests on capacitive test samples with high voltage and large capacity. Th...Read more -
On-site testing method for zinc oxide surge arrester tester
HV HIPOT MOA-505 series zinc oxide arrester tester is specifically designed to detect internal defects such as poor contact between valve plates in gapless zinc oxide arresters (MOAs) used in power systems up to 10 kV, and to measure the DC reference voltage (U1mA) and leakage current at 0.75 U1m...Read more -
Common methods and principles for cable fault testing and fault location
The diagnosis of cable fault nature, in essence, refers to determining: whether the fault resistance is high or low; whether it is a flashover or a closed-type fault; whether it is grounding, short circuit, breakage, or a combination of these; whether it is a single-phase, two-phase, or three-pha...Read more -
Operating Instructions for the Fully Automatic Insulating Boot (Glove) Voltage Withstand Test Equipment
In order to verify or determine the insulation performance of insulating boots, insulating gloves and insulating safety equipment, we can conduct a simple insulation withstand voltage test on the insulating boots and insulating gloves to assess the withstand voltage capacity of the boots and glov...Read more -
Method and steps for cable withstand test of ultra-low frequency high-voltage generator
The ultra-low frequency high-voltage generator is mainly used for insulation withstand tests of high-voltage power equipment. Due to its features such as fast voltage rise, high voltage level, and light weight, it is highly favored by a large number of power test personnel. So, what is the method...Read more -
The purpose of conducting an induction withstand voltage test on a transformer
For transformers and electromagnetic voltage transformers, the test method of applying voltage to the secondary side to obtain high voltage on the primary side is commonly used to check the main insulation of the tested items (referring to the insulation between the windings and the ground, betwe...Read more -
Selection and Application Scope of Ultrasonic Partial Discharge Testers
I. Core Technical Principles The ultrasonic partial discharge tester operates based on the acoustic emission detection technology. When a partial discharge fault occurs inside an electrical equipment, the surrounding medium molecules will undergo intense mechanical collisions and vibrations, ther...Read more -
Battery Charging and Discharging Tester Discharge Test Procedure
Battery tester, a high-power, compact, and lightweight battery bank charge-discharge capacity testing device, features a user-friendly and intuitive human-machine interface that significantly reduces the workload of daily battery testing and maintenance, making it an ideal assistant for battery m...Read more -
Open Cup Flash Point Tester Overview and Technical Specifications
The flash point, also known as the ignition point, is the lowest temperature at which a mixture of the material or product with the surrounding air comes into contact with a flame and causes a flash and immediate combustion. It is an important indicator for safety protection during the storage, t...Read more -
Principle and Usage Method of Zinc Oxide Surge Arrester Tester
The AC withstand voltage test for electric motors is a critical test item for evaluating the insulation strength of core components such as stators and rotors. It is primarily used to detect localized defects in motor insulation that may arise during manufacturing, transportation, storage, or fie...Read more