Improvements in Distributing Electricity.
Year: 1890

page_text: Date of Application, 6th Mar., 1890
Complete Specification Lett, 4th July, 1890-Accepted, 23rd Aug., 1890
PROVISIONAL SPECIFICATION.
Improvements in Distributing Electricity.
We, HENRY ROBERT Low of 64 Tavistock Crescent Westbourne Park in the
County of Middlesex Electrician and GEORGE EDWARD BARKER PRITCHETT of Oak
Hall Bishop's Stortford in the County of Hertfordshire Electrician, do hereby declare
the nature of this invention to be as follows:-
Our invention relates to a method of distributing electricity by means of alternating
currents of high electromotive force in conjunction with storage batteries or
accumulators.
For this purpose we generate a "direct" current of electricity by means of a
dynamo or other suitable method and store it in the aforesaid accumulators; the
discharge from these accumulators is utilized in operating a direct current motor or
motors to which are coupled in any suitable manner a dynamo or dynamos generating
an alternating current of high electromotive force. This current may be distributed
by means of secondary generators or otherwise.
Dated this Sixth day of March 1890.
HENRY ROBERT LOW.
GEORGE EDWARD BARKER PRITCHETT.
COMPLETE SPECIFICATION.
Improvements in Distributing Electricity.
We HENRY ROBERT Low of No. 41 Beaconsfield Road St. Margarets Twickenham
in the County of Middlesex Electrician and GEORGE EDWARD BARKER PRITCHETT of
Oak Hall Bishop's Stortford in the County of Hertford, Electrician do hereby
declare the nature of this invention and in what manner the same is to be
performed, to be particularly described and ascertained in and by the following
statement:
Our invention relates to improvements in the method of, and arrangement and
corelation of apparatus for distributing electricity; and consists, substantially, in a
novel combination of alternating currents of high electro-motive force, and suitable
apparatus for producing them; with storage batteries or accumulators.
Up to the present time the various systems of distributing electricity may be
included in either of the following classes."
(a.) A system of storage in combination with direct current-distribution at low
tension through comparatively large conductors.
(b.) A system of distribution through comparatively small conductors by means of
high tension alternating currents with suitable pressure reducing apparatus at or near
the points of consumption.
In the first mentioned of these systems, a considerable advantage is secured by
having a storage of electricity, thereby minimising the effect of a breakdown in the
generating machinery; but, on the other hand, in order to maintain a constant
pressure at a distance from the source of supply, it is necessary to employ
comparatively large and expensive conductors on account of the low tension and,
consequently, large current used.
In the second mentioned system, it is possible, owing to the high tension employed,
to distribute electricity over a large area by means of comparatively small and
inexpensive conductors; but, on the other hand, a breakdown of the generating
machinery causes a cessation of the supply, no storage being available.

page_text: The object of our invention is to provide
system which combines the afore-
mentioned advantages and, at the same time, eliminates the aforementioned disadvan-
tages of both these systems.
We attain the said object as follows:-
We generate a direct current of electricity by means of a dynamo, or other suitable
method, and store it in accumulators. The discharge from these accumulators is
utilized in operating a direct current motor, or motors, to which are couple 1, in any
suitable manner, a dynamo, or dynamos, generating an alternating current.
current at high electromotive force may be distributed by means of secondary
generators, or otherwise.
This
Having now particularly described and ascertained the nature of our said inven-
tion, and in what manner the same is to be performed, we declare that what we
claim is :-
1. The combination of direct current, accumulator, direct current motor, and
alternating dynamo; as and for the purpose set forth.
2. The hereinbefore described method of distributing electricity by means of
alternating currents of high tension in combination with storage batteries, or accumu-
lators, as set forth.
3. The combination of the several electrical apparatus hereinbefore specified, as and
for the purpose set forth.
Dated this 4th day of July 1890
PHILLIPS & LEIGH,
22, Southampton Buildings, Chancery Lane, W.C., Agents for the Applicants.