industry news
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Expertise sur le testeur de transformateur tan delta
Read moreA transformer tan delta tester is a diagnostic tool used to measure the dissipation factor (tan δ) or loss tangent of the insulation in transformers, which is a key indicator of the condition of the transformer’s dielectric insulation. Key Concepts: Purpose of the Tan Delta Test: In what occassion we use the transformer tan delta tester to test The transformer tan delta […]
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Différence entre le testeur VLF et le testeur DC hipot
Read morethe difference between VLF tester and dc hipot tester: Both VLF testers and DC HiPot testers are used to assess the insulation integrity of electrical cables and equipment, but they operate using different principles and are suited for different applications. Here’s a breakdown of the key differences between the two: 1. Operating Principle: VLF Tester (Very Low Frequency Tester): […]
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Transformer winding resistance test in the field Testing Commissioning
Read moreTransformer winding resistance tester helps identify potential issues like winding faults, poor connections, and other resistive losses that could lead to overheating or performance degradation. When you’re using a winding resistance tester, you’re typically looking to measure the DC resistance of the transformer windings at various taps or stages. This can help you detect issues like: 1. Winding […]
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Some professional knowledge about SFRA
Read moreSFRA stands for Sweep Frequency Response Analysis, and it’s a diagnostic technique used primarily for testing the condition of transformers and other electrical equipment, such as shunt reactors, generators, and bushings. SFRA is used to detect mechanical deformations, winding movement, core displacements, and other potential faults that could affect the performance and safety of power […]