en

resistor with leakage current screen

1

Terminological databases

Metroloogia terminibaas

ID 1185420 Last modified 25.06.2026
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Domain metrologymeasuring instruments
  • takisti, millel on lekkevooluvarje (vooluahel), mis on ühendatud eraldi klemmiga, mida sageli nimetatakse "kaitseklemmiks"
  • resistor having a leakage current screen (circuit) connected to a separate terminal, which is often called the "guard terminal"
lekkevooluvarjega takisti
Usage examples
  • Lekkevooluvarjega takistit võib kujutada kolmnurkühendusena, mis koosneb iga klemmipaari vahelisest ekvivalentsest takistusest, mille juures nendest kolmest takistusest on kahe peaklemmi vaheline takistus peamine ekvivalenttakistus, mida kavatsetakse mõõta. Kolmnurkühenduse kaks ülejäänud takistust on tavaliselt isolatsioonitakistus (lekketakistus), mis peamise ekvivalenttakistuse väga suurte väärtuste korral võib olla samas suurusjärgus või sellest väiksem. Peamine ekvivalenttakistus võib esineda kas kahe või nelja klemmiga takistina.
resistor with leakage current screen
Usage examples
  • A resistor with leakage current screen may be represented as a delta network consisting of an equivalent value of resistance between each pair of terminals. Of these three resistance, the resistance between the two main terminals is the main equivalent resistance which in intended to be measured. The other two resistances of the delta network are usually insulation (leakage) resistance which, for very high values of the main equivalent resistance, may be of the same order or smaller than it. The main equivalent resistance may appear either as a two-terminal resistor or as a four-terminal resistor.

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