
302 Introduction to Electrical Power and Power Electronics
2003 at a $30-million cost. The system uses 14,000 sealed NiCd cells manufactured
from recycled cadmium by Saft Corporation at a total cell cost of $10 million. The
cells will be recycled again after its 20-year calendar life. The battery system is
operated by Golden Valley Electric Association in Fairbanks for an Alaskan utility
company. The spinning energy reserve of the battery provides continuous voltage
support to the utility and lowers blackout possibility.
As stated earlier, when two or more batteries are placed in parallel, it is important
that they are as identical as possible ...