Pumps, Motors, and Controls: TRE-5026-11-12: NP

Operators will thoroughly review the electrical and mechanical princi- ples behind the selection of pumps, motors, and controls with emphasis on their specification, troubleshooting and maintenance. Included are the basics of electrical safety, direct and single and three-phase alternating current, electric motor specification and interpreting pump curves. Electric motor controls and flow rate controllers are discussed. Also covered is the practical relationship between electric power supplied, motor efficiency, pump efficiency and ultimate water horsepower including determinations of TDH and head loss. Details are provided on the application and limitations of positive displacement and centrifugal pumps. Non- Process, All operators