Electrical Maintenance: Battery Systems

Describe a typical industrial battery system. List the basic components of a lead-acid cell. Describe the electrochemical action in a cell that is charging. Describe the electrochemical action in a cell that is discharging. State the voltage rating for a typical cell at full charge. Explain a cells capacity rating. Briefly describe the relationship of cell capacity voltage and specific gravity during discharge and recharge. Describe the functions of a typical battery system charger. List the common components of most battery chargers and describe their functions. List the protective equipment and safety procedures associated with working on batteries. Describe typical visual inspection checks. State the purpose of and describe the basic steps for checking intercell and terminal connection resistances. State the purpose of and describe the basic steps for checking specific gravity. Explain the effect of temperature on specific gravity.