TY  - BOOK
AU  - Bergwall Productions
TI  - Rotating machinery explained - DC motors : principles of operation - Part one
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 filed 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 simple DC Motor, the Notes This series of five Color/Sound f principles of operations are described and expanded to Notes This series of five Color/Sound f explain the connections are uses of shunt, series, and Notes This series of five Color/Sound f compound motors. The method used to identify the field are Notes This series of five Color/Sound f armature terminals of a motor is demonstrated and the counter Notes This series of five Color/Sound f EMF is 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, Notes This series of five Color/Sound f 3. Identify the amature 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  -