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What is trm transformer?

Updated: 4/28/2022
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11y ago

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Transformer Radio Meters

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Q: What is trm transformer?
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Continue Learning about Earth Science

Why silicon gel used in transformer?

A transformer is fitted with a 'breather' pipe, which allows the air within the transformer (or its conservator tank) to enter or leave, as the oil (coolant) level changes due to contraction or expansion. As the air inside the transformer tank (or conservator tank) must be kept dry, the breather pipe is fitted with a chamber containing silica gel crystals which dry any air drawn into the transformer.


How you can find positive and negative in a transformer?

There is no positive and negative on a transformer. Transformers will only pass AC (alternating current), due to the fact that induction will only occur with a moving field. The current has to be changing polarity and intensity continuosly, for the current to be induced in the windings. Both terminals on the output vary, with relation to each other. Put DC into a transformer and the coils will saturate, overheat and probably burn out.


What effect does the waste energy from a transformer have on the air around the?

Waste energy is converted to heat.


Why current in secondary coil in a step down transformer is higher?

A magnetic field is produced when there is a current in the primary coil of a transformer.^^^^basically magnectic fieldA changing current in the primary-winding of a transformer produces a changing magnetic flux in the core which results in a back-emf. in the primary winding through self induction, and a voltage in the secondary winding due to mutual induction.


Why dew point measurement is necessary in nitrogen filled transformer?

Short Answer: Dew point measurement is necessary to ensure the moisture content of the cellulose insulation is low enough to safely energize the transformer (after filling with oil). Maximum acceptable moisture content varies with unit size/age, but less than 1% moisture content is generally acceptable.