kV
d.
3. Transmission electricity the National Grid network takes place at:
a. 132 kV. kV
d.
Check your Understanding
1. kV
d.
5. 230 V
b. load connected the three phases star-connected three-phase
four-wire supply system from the local sub-station would have a
voltage of:
a. 400 V
c. 230 V
b.
. Electricity generated large commercial power stations at:
a.
2. Electricity distributed from the local sub-stations underground
cables at:
a. 230 V
b.
4. losses are reduced
d. current reduced
b. 230 V
b. current increased
c. 400 V
c.
Note: more than one multiple choice answer may correct. losses are increased.When you have completed the questions, check out the answers the back
of the book. 400 V
c. 132 kV. kV
d. Electricity transmitted very high voltages because for given
power the:
a. 400 V
c. 132 kV. 132 kV
