Electrical Distribution Systems:

Nuclear facilities rely on dependable electrical distribution systems to gives power to key vital equipment. Information of the basic electrical power distribution system and its elements will help the operator understand the importance of electrical power distribution systems.

 EXPLAIN the following terms as they apply to Electrical Distribution Systems:

a.         Single (one-line) diagram

b.         Commercial or utility power

c.         Diesel power

d.         Failure-free power

e.         Neutral grounding

f.          Voltage class

g.         Protective relays

h.         Overlapping protective zones

DESCRIBE the protection provided through each of the following:

a.         Fuses

b.         Protective relays