An electric motor that has been properly maintained will contribute greatly to the continuous operation and success of a plant. Since the cost of unscheduled downtime is high, regular maintenance of motors has become one of the highest priorities in plants. A loss of a motor could result in reduction in reliability of a system, impairment of a system, or shutdown of a plant.
CHARACTERISTICS OF MOTORS
The nameplate data include the rated horsepower, speed, voltage, and service factor if different from 1.0. The service factor is a multiplier that can be applied to the horsepower of motors that are designed to handle periodic overloading.
Related posts:
NETWORKING WIRED AND WIRELESS:WIRELESS NETWORKS
Emission Control Systems part2
NETWORKING WIRED AND WIRELESS:TYPES OF NETWORKS
Resistive AC Circuits:Parallel ac circuits
State Variable Feedback Control Theory:Dynamic Observer
Timing relays:Motor-Driven Timers
REAL-TIME OPERATING SYSTEMS:SEMAPHORES
GENERATOR OPERATION
Acoustic Environment:Typical Wavelengths
THE UNIJUNCTION TRANSISTOR
HUMAN–MACHINE INTERFACES:USER–MACHINE INTERFACES
Devices, symbols, and circuits:Wires and terminal numbering
Industrial control systems:Definition and functions
Troubleshooting variable speed drives:Quadrant thyristor-controlled rectifier