Grace's Guide

British Industrial History

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 148,103 pages of information and 233,633 images on early companies, their products and the people who designed and built them.

Siemens Brothers and Co: Synchroniser

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Note: This is a sub-section of Siemens Brothers and Co

1911, Siemens Brothers exhibited an "Electrical synchronising outfit".

The unit has 2 pairs of terminals together with an indicator which would show how the phase of the a.c. voltage differs between the 2 circuits and the indication would be in degrees

In use, one of these circuits would be connected to a generator that was already supplying current to users; the second circuit on the synchroniser would be connected to a different generator that was being brought up to speed - the second generator would have to be synchronised with the first one before it could be connected to the network and this device would show the operator close they were.

See Siemens Brothers Dynamo Works


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