TY - BOOK AU - Bergwall Productions TI - Rotating machinery explained - DC motors : principles of operation - Part two U1 - TK/2681 PY - 1982/// CY - New York PB - Bergwall Productions KW - Electric motors, Direct current. N1 - Notes This series of five Color/Sound films on Direct Current Notes This series of five Color/Sound f Motors is the foundation for the understanding of the field Notes This series of five Color/Sound f of electrical rotating machinery and the controls used to Notes This series of five Color/Sound f regulate them. Starting with a simples DC motor, the Notes This series of five Color/Sound f principles of operation are described and expanded to explain Notes This series of five Color/Sound f the connection and uses of shunt, series, and compound Notes This series of five Color/Sound f motors. the method used to identify the field and armature Notes This series of five Color/Sound f terminals of motor is demonstrated and the counter EMF is Notes This series of five Color/Sound f measured. Notes This series of five Color/Sound f The titles of the individual films are: 1. Principles of Notes This series of five Color/Sound f operation - Part 1, 2. Principles of operation - Part 2, 3. Notes This series of five Color/Sound f Identify the armature and fields, 4. Measuring motor Notes This series of five Color/Sound f resistance: voltmeter-ammeter method, 5. Counter Notes This series of five Color/Sound f electromotive force ER -