Distribution #2

What does SW stand for?

• Switch

• South west

• Super wicked

• Switch wand

What is an Induced voltage test?

• a low voltage test

• a high voltage across a winding with the other windings open-circuited

• a resistance test

Why do we perform polarity test on transformers?

• to connect the same polarity windings together both in primary and secondary

• to check the voltage

• to check the resistance of primary winding only

Why do we perform transformer winding resistance measurements?

• to check for gross differences between windings and for openings in the connections

• to check for continuity

• to check the resistance of the windings

• I have no idea

There are three main things which to be checked on a power transformer on a daily basis, True or false?

• True

• False

what does OLTC stand for?

• on-load tap changer

• off-load tap changer

• online tap converter

• on-load tap connections

lnspection of Buchholz relays to be carried out when?

• yearly

• monthly

• weekly

• daily

What does WTI stand for?

• Winding Temperature indicator

• winding twisted indication

• winding temperature inside

What is a Preventative maintenance checklist?

• is a set of written tasks that guide the technician through a PM before it can be closed.

• a document produced by the manufacturer of a particular product, device, machine or system to communicate the approved and recommended methods and procedures of its maintenance.

• I have no idea

• A checklist to follow for supervisor

What does DGA stand for?

• Dissolve Gas Analysis

• Dissolve gas acceptance

• Dissolved gas application

• Digested gas acceptance