Vacuum switch vacuum degree tester utilizes an innovative excitation coil and employs the magnetron discharge method to evaluate the vacuum degree of the arc extinguishing chamber without requiring disassembly.
Tan delta testing, also known as dissipation factor (PF) testing, or loss angle testing or dielectric dissipation factor（DDF) , is a diagnostic method used to measure dielectric loss/dissipation factor(tgδ) and capacitance (Cx) and evaluate the insulation condition of electrical equipment, such as cables, transformers, capacitors, and rotating machines.
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.
The secondary injection test for protection relays is a common testing method used to evaluate the performance and functionality of protective relays in electrical systems.
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.
This article will talk about the methods of cable testing .The cable testing focused on insulation layer and the leakage , withstand voltage , dielectric loss and partial discharge characteristics of cable insulation
This article introduces battery discharge testing information and the guide of battery discharge capacity test ensure to help you successfully proceed discharge testing to identify the battery state of health (SOH）
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 .
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.
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
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