Hawkins electrical guide ... : questions, answers & illustrations : a progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications ; a practical treatise (1914)
Hawkins, N. (Nehemiah), 1833-1928 · New York : T. Audel & Co. · leaf 217
g. 500 shows one suitable for two dynamos. At thetop is a voltmeter and two ammeters. Immediately below is arow of feeder switches serving to connect and disconnect the A UXILIAR Y APPARA TUS 429 various feeders with and from the bus bars which are mountedbehind the board. Below are two rheostat… … TO EXTREMECNOOFCIRCUIT* TO fr O BUSBAR^ TO DYNAMO B TO CENTEROF DISTRIBUTION Fig. 501.—Diagram showing various connections of voltmeter switch of the small switchboardshown in fig. 500. switch to transfer the bus bars from connection with the dynamoswitches to one with some other source of current…
Electrical engineering
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