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   TPM-Total Productive Maintenance   What is Total Productive Maintenance? TPM is a method for continuously improving the effectiveness of production equipment and processes TPM is a plant improvement methodology which enables continuous and rapid improvement of the manufacturing process through use of employee involvement, employee empowerment, and closed-loop measurement of results How is this Accomplished? »   By improving On Demand availability of the equipment, through improved maintenance How is this Different from Other Maintenance Programs? •   Primary difference between TPM and most maintenance programs is the involvement of the machine operator as a front line defense against… –Equipment breakdowns and other unplanned downtime –   Scrap and rework caused by poor equipment performance –Reduced productivity due to running at reduced speeds, idling, or stoppages requiring operator attention –Equipment startup losses

  Transformer Work Faults and Protection A transformer or service transformer is a transformer that provides the final voltage transformation in the electric power distribution system, stepping down the voltage used in the distribution lines to the level used by the customer. The invention of a practical efficient ransformer made AC power distribution feasible; a system using distribution transformers was demonstrated as early as 1882. If mounted on a utility pole, they are called pole-mount transformers. If the distribution lines are located at ground level or underground, distribution transformers are mounted on concrete pads and locked in steel cases, thus known as pad-mount transformers. Distribution transformers normally have ratings less than 200 kVA although some national standards can describe units up to 5000 kVA as distribution ransformers. Since distribution transformers are energized for 24 hours a day (even when they don't carry any load), reducingiron losses has an im...

   Maintenance and Testing of Electric equipment  

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