WELLS' AUTON-ELECTRICIANS' HANDBOOK

 
9781130049534: WELLS' AUTON-ELECTRICIANS' HANDBOOK

This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1922 Excerpt: ...act as reversed series fields while generating to limit output. No adjustment provided. CUT-OUT: Manual through starting switch. Switch has three positions, "Off," "Neutral" and "On." In the "Off" position, the magneto is grounded and the battery disconnected from the motorgenerator. In the "Neutral" position the magneto ground is removed, but the generator shunt field circuit is open and there is no charge. In the "On" position the battery is connected to the motorgenerator and the shunt field circuit is closed for generating. DIAGRAM: See Diagram 1059. DYNETO MOTOR-GENERATOR, REVERSED SERIES REGULATION. SIZE: B. VOLTAGE: 12. CHARGE RATE: Starts charge 1100 R. P. M. 12.5 volts 2 5 amperes 1200 R. P. M. 12.7 volts 5 0 amperes 1400 R. P. M. 13.2 volts 7 0 amperes 1500 R. P. M. 13.7 volts 10 0 amperes 1700 R. P. M. 14.2 volts MOTOR-GENERATOR: Six pole machine with generator shunt windings on three alternate poles and series windings on three intermediate poles. Two main brushes set near top of commutator and at 60 degrees from each other. Single armature and single commutator. Test Terminals: Ammeter between terminal 1 (right hand at commutator end) and cable removed (engine to be cranked by hand as this connection carries starting current). Voltmeter between terminals 1 and 2 (right and left hand terminals at commutator end). Field Terminals: Shunt field winding between terminal 1 (right hand at commutator end) and terminal 3 (right hand from drive end). Series winding between left hand main brush and terminal 2 (left hand at commutator end). REGULATION: Series fields oppose shunt fields while generating-. No adjustment provided. CUT-OUT: Manual, through action of starting switch. Switch has three p...

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