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Technika

BDV test of transformer oil

The dielectric strength test for transformer insulating oil is an electrical performance evaluation defined as the measurement of the maximum voltage that the oil can withstand between two electrodes under specified test conditions before electrical breakdown occurs

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High voltage power transformer substation.
Technika

Why test high voltage circuit breakers?

Regular preventive testing of high-voltage circuit breakers, including insulation resistance, dielectric loss factor, contact resistance, AC withstand voltage, vacuum level, mechanical characteristics, primary current injection, SF6 gas quality, and insulating oil tests, is essential to ensure their safety, reliability, and operational integrity, preventing faults that could compromise the power system.

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How AC Resonance Testing Enhances GIS Reliability and Longevity

AC resonance test system helps extend the lifespan of GIS components, allowing operators to maximize the return on investment in this critical electrical infrastructure. By incorporating resonance testing into their maintenance strategies, utilities and industrial operators can significantly improve the operational efficiency and durability of their GIS systems.

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Technika

What is battery discharge tester ?

A battery converts chemical energy into electrical energy by creating a potential difference between two electrodes (anode and cathode) through a chemical reaction.

When a battery is discharged, electrons flow from the anode to the cathode while ions in the electrolyte move to maintain charge balance; when it is charged, the process is reversed.

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Jaka jest różnica między badaniem tan delta a badaniem meggerem?

Badanie tan delta, znane również jako badanie współczynnika strat (PF), badanie kąta strat lub współczynnika strat dielektrycznych (DDF), to metoda diagnostyczna stosowana do pomiaru współczynnika strat dielektrycznych (tgδ) i pojemności (Cx) oraz oceny stanu izolacji urządzeń elektrycznych, takich jak kable, transformatory, kondensatory i maszyny wirujące.

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Technika

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.

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