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