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Course Name: MOTOR WINDING
Objective: To impart the trainees the necessary skills in order to capture the growing rural markets for electrical and electronic products and help the rural masses with necessary support services in this area, at a sustainable returns to the learners.
Duration: 3 Months
Course In-charge: Mr. M. Venkateswarlu
Module – I
Classification, insulation paper, leatheriod paper, micanite paper. Empire cloth, glass fibre cloth. Tapes, cotton tapes, empire tape, fiberglass tape, sleeves, Cotton Empire, fibreglass, PVC (Poly Vinyl Chloride). Varnish.
Module - II
Super-enameled wires (S.E), single cotton covered copper wires (S.C.C), double cotton covered copper wires (D.C.C), single silk covered copper wires (S.S.C), double silk covered copper wires (D.S.C), PVC covered wining wires.
Module – III
Transformers and windings
Transformers, voltage ration, volt-amperes, losses and efficiency. Distribution transformers, power transformers. Transformer losses and efficiency- Transformer winding, Field coil winding, voltage-coil windings. Construction of small transformers, 50 VA, 100 VA, 200 VA. Construction of a choke for fluorescent tube. Construction of an electromagnet for no-volt coil of starter and simple electric bell.
Module – IV
Single – Phase motor winding
Winding a table fan motor and testing, ceiling fan motor winding and testing, water – pump motor winding and testing. Winding air – cooler motors and testing. Exhaust fan motor winding and testing. Starter for domestic pumps and testing, to measure hold and release voltage of a no volt coil.
Module – V
Three – Phase motor winding
Winding a 2 pole, 3HP, 5HP, 3-phase submersible pump motor (identifying stating and ending terminals of a 3-phase induction motor).
Winding a 4 pole, 3HP, 5HP, 3-phase squirrel cage motor, testing of motor after varnishing, baking and assembling- insulation resistance, no load, full-load current and efficiency test. To measure the hold and release voltage of an under voltage coil.
Centres: Choutuppal, Nakrekal, Nalgonda, Suryapet, Nadigudam, Mothkur, Mityalaguda, Gaddipally, Bhongiri, Kodad, Ramannapet, Sanghi, Chityal, Rayadurg, Huzurnagar, Palem, Achampet, Mahaboob