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WorksheetsElectrical systems Y1 W2
Total questions: 10
Worksheet time: 7mins
Electricity is generated in the voltage range of
13.8kv to 24kv
44 kV to 138 kV
2 kV to 34.5 kV
12kv to 21kv
Transmission lines are energized in the voltage range of
44kv to 138kv
19.9kv to 34.5kv
230kv to 765kv
13.8kv to 24kv
Sub transmission lines are energized in the voltage range of
44kv to 138kv
230kv to 765kv
2kv to 34.5kv
13.8kv to 24kv
Distribution lines are energized in the voltage range of
44kv to 138kv
13.8kv to 24kv
2kv to 34.5kv
230kv to 765kv
DC transmission lines have _ conductors
4
2
3
1
Services are low-voltage lines that travel from ____ to _____
in an overhead system.
(a)
Secondaries are low-voltage lines that travel from ________ to ________
in an underground system.
(a)
Secondaries are low-voltage lines that travel from ____ to ____
in an overhead system.
(a)
What are the three major functions of a substation?
Change the voltage of circuits from one level to
another
Control the flow of power by adjusting the voltage
and current
Connect or disconnect lines or equipment from each
other
Generate electricity
To transmit large blocks of power over
long distances with a minimum of loss
Services are low-voltage lines that travel from ________ to _____
in an underground system.
(a)
