Categoria: Técnica

O que é um testador de descarga de baterias?

Uma bateria converte energia química em energia elétrica, criando uma diferença de potencial entre dois elétrodos (ânodo e cátodo) através de uma reação química.

Quando uma bateria se descarrega, os eletrões fluem do ânodo para o cátodo, enquanto os iões no eletrólito se deslocam para manter o equilíbrio de carga; quando é carregada, o processo inverte-se.

What is  SFRA test?

Sweep Frequency Response Analysis (SFRA) test is an important measurement method used to assess the mechanical and electrical integrity of power transformers. It tests the mechanical integrity of transformer cores, windings, and press frames by measuring the voltage transfer function over a wide frequency range. Each electrical network has a unique frequency response called a frequency response fingerprint.

How to analyse transformer oil ?

There are some tests for insulation oil testing include Breakdown voltage (BDV)test, water content test, acidity test, Dielectric Dissipation Factor test, Interfacial Tension test, Flash Point test, Viscosity test, Relative Density Test, Furan Analysis , Dissolved Gas Analysis (DGA)ect.

What test items are required for transformer Preventive Tests ?

Transformer Preventive maintenance is crucial to ensure the reliable operation, extend their lifespan, and prevent unexpected failures. This involves regular inspection, testing, and servicing. Here’s a detailed overview of transformer preventive maintenance tests .

Comprehensive Guide to Transformer Short-Circuit:Cause,Prevention Measures and Testing Methods

In response to the frequent occurrences of transformer short circuit accidents, we need to delve into understanding the underlying causes, examining the short circuit conditions , and strategizing to minimize their frequency and impact,checking the transformer short circuit testing.

Analysis of Abnormal Partial Discharge of 35 kV XLPE Cable

when it comes to the utilization of 35 kV XLPE cables, the issue of abnormal partial discharge poses a significant challenge. Power outages resulting from this problem accelerate cable damage, leading to economic losses for industry development and hindering sustainable industry growth. Consequently, when analyzing partial discharge issues with 35 kV XLPE cables

Is VLF test destructive ?

VLF testing is considered more suitable for assessing the withstand capability and insulation quality of modern cables with polymer-based insulation. It provides a more realistic and less damaging test method compared to DC testing. The VLF testing method allows for a more accurate evaluation of the cable’s condition and remaining life expectancy.

The Application and Advantages of Battery charger discharger: Solving Practical Pain Points in Data Center Provider

Battery Charger Discharger Introduce A battery charger discharger is a device or system designed to charge and discharge batteries. It is used to manage the charging and discharging process of batteries, ensuring their optimal performance and longevity. It is a comprehensive all-in-one machine which can proceed the battery capacity test, battery charging and battery activating . It […]

What is the difference between VLF and hipot ?

What is the difference between VLF and hipot?
VLF Testing is a AC hipot tester that perform the withstand and diagnostic testing for test object at very low frequency 0.1 Hz to 0.01 Hz . It is applied for HV/MV cable, motor and generator and other high capacitive loads.

Testador do grau de vácuo do interruptor de vácuo

O medidor do grau de vácuo com interruptor de vácuo utiliza uma bobina de excitação inovadora e recorre ao método de descarga por magnetrão para avaliar o grau de vácuo da câmara de extinção do arco, sem necessidade de desmontagem.