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Description / Abstract:
This recommended practice covers the sizing of nickel-cadmium
batteries used for standby operation in stationary applications.
Recommendations are provided for applications including, but not
limited to, generating stations, substations, telecommunications,
switchgear and control systems, compressor stations, emergency
lighting, and uninterruptible power supplies. Guidance is provided
for sizing for engine-starting applications.
The following topics are beyond the scope of this document:
— Installation, maintenance, qualification, and testing
procedures
— Consideration of battery types other than nickel-cadmium
— Renewable energy systems (e.g., wind turbines and photovoltaic
systems) that may provide only partial or intermittent charging
— Design of the dc system and sizing of the battery
charger(s)
Purpose
The purpose of this recommended practice is to provide proven
and standardized sizing techniques for nickel-cadmium batteries.
The sizing methods in this document take normal usage factors into
account and form the basis for reliable battery operation.