Chapter: Electrical Drives & Control : Conventional and Solid State Speed Control of A.C Drives

Speed Control of Drives

The electrical machine that converts electrical energy into mechanical energy and mechanical energy into electrical energy.

SPEED CONTROL OF DRIVES

^·The electrical machine that converts electrical energy into mechanical energy and mechanical energy into electrical energy.

^·Drive systems are mainly used in applications such as pumps, paper, textile mills and more…

^·Industrial drive applications are generally classified into constant speed and variable speed drives.

^·AC machines have been used in constant speed application, because conventional methods of their speed control have either been expensive or highly insufficient.

^·But DC machines were preferred for variable speed drives. However, the main disadvantages of dc machines are,

^·Higher cost

^·Higher rotor inertia

^·Maintenance problems

^·EMI problems

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Electrical Drives & Control : Conventional and Solid State Speed Control of A.C Drives : Speed Control of Drives |