L Theory(Chapter 12)(RN)

Created by: Moles12!
Created on: 02-06-21 21:08

What is the purpose of a switchboard ?

Controls main converted supply(Supply with a changed Voltage or Frequency)
With exception to the 115V lighting/power supply

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What is used to achieve a conversion between AC to DC

Either a Transformer Rectifier Unit(TRU) or Rationalised Transformer Rectifier (RTR)

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What is the low power main battery used for and what two Voltages does it supply ?

It is used as a back up in case the main supply fails
supplies power to WE Equiptment, Diesel engine starting and RICE(?)
Providing 2 voltages:
24V DC
115V, 400 Hz

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What are the 2 classes of battery and list their characteristics ?

Primary Battery:
Non rechargeable, Known as 'dry cells', Once discharged they are thrown away, Usually small.
Secondary Battery:
Rechargable, known as 'wet cells', specialist equipment needed to recharge, variety of sizes.

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What is battery capacity Measured in ?

Amp hours

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What are the terminal voltages of a fully charged and discharged cell ?

Fully charged-2.1V
Discharged-1.75V
Difference-0.35V

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Other cards in this set

Card 2

Front

What is used to achieve a conversion between AC to DC

Back

Either a Transformer Rectifier Unit(TRU) or Rationalised Transformer Rectifier (RTR)

Card 3

Front

What is the low power main battery used for and what two Voltages does it supply ?

Back

Card 4

Front

What are the 2 classes of battery and list their characteristics ?

Back

Card 5

Front

What is battery capacity Measured in ?

Back

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L Theory(Chapter 12)(RN)