F. Drop

 % loss × volts 5 × 440
drop = ——————— × S = ———— × 1.17 =  25.74 volts
   100 100

NOTE.—Values of S are given on page 1910.

G. Voltage at alternator

alternator pressure = (volts at motor + drop) = 440 + 25.74 = 465.7 volts.


CHAPTER LXVI
POWER STATIONS

The term power station is usually applied to any building containing an installation of machinery for the conversion of energy from one form into another form. There are three general classes of station:

1. Central stations;
2. Sub-stations;
3. Isolated plants.

These may also be classified with respect to their function as