ELE-303 Transformers and Polyphase

ELE-303 Transformers and Polyphase

Day of week class meets: Thursday
Date(s): Jan 09, 2020 - Mar 26, 2020
Time:6:30 pm - 9:30 pm

Instructor: Ronald DeMarco

Course Description:

Fee: $310.00 Covers reduction and solving for voltage, current or impedance in series and parallel circuits, differences between three-phase and one-phase distribution systems and layout of a vector diagram of the voltages in a three-phase wye and delta circuit. Also included is calculation of kva, kw and kvar in a three-phase system, law  of cosines, construction and operation of  meters, Construction  of a three-phase motor and principles of a three-phase rotating magnetic field.  Step-down/step-up transformers, excitation current, efficiency, amp-turns, primary to secondary winding voltage and current ratios are covered.

Anne Marie Brahan
Email: abrahan@eastech.org
Phone: 215-784-4802

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