Electrical Machines and Equipment
Electrical Machines and Equipment
Electrical Machines and Equipment
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<strong>Electrical</strong> Technology Department<strong>Electrical</strong> <strong>Machines</strong> & <strong>Equipment</strong>sDetailed Practical ContentsHours Contents Related Tasks161- Three-phase induction motor operation <strong>and</strong> control panelassembly:Construction of three-phase induction motors. Components <strong>and</strong> types of three-phase induction motor(stator, rotor, poles, etc.) Reading the name plate data of the machine Types of operation control <strong>and</strong> protection switchescontactors <strong>and</strong> relays Rules <strong>and</strong> regulations for installation of operation <strong>and</strong> controlpanels Layouts of the control panel Exercise: Fixing operation <strong>and</strong> control devices in the controlpanelBasic knowledge162-Three-phase induction motor operation <strong>and</strong> reversing thedirection of rotation circuits: Operating of induction motor using three pole switches Operating of induction motor using magnetic contactor Reversing the speed of induction motors using magneticcontactor (slow reversing) Reversing the speed of induction motors using contactor <strong>and</strong>limit switch (fast reversing) Operating of induction motor at two speeds (Dahl<strong>and</strong>er)using magnetic contactor <strong>and</strong> timerBasic knowledgeA8, F1, F3, F4, I5,I7, I10- 82 -
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