Most dynamos are provided with sliding bases, by which the machine can be moved one way or another a few inches, to take up slack in the belt.
Dynamos may be connected to water wheels either by means of a belt, or the armature may spin on the same shaft as the water wheel itself.
Modern dynamos are rated liberally, and can stand 100% overload for short periods of time, without dangerous overheating.
Shunt dynamos are used for charging storage batteries, and are satisfactory for direct service only when an attendant is constantly at hand to regulate them.
Its aerials were mounted; its external dynamos were visibly revolving; from its windows blue shafts of light slanted out; and from it rose the low hum of active power.
The heaping up of the potential only took place when transformers were used, and not when the dynamos were connected direct.
To this effect, it is intended to use drills actuated by electricity through dynamos driven by waterfalls.
The single wire hung over the centre of the track carries the current out from the station where the dynamos are placed, and the rails and the earth carry it back to the dynamos after it has passed through the motors and has done its work.
At first dynamos were made with great big steel magnets, but those were very expensive and unsatisfactory.
The trolley wire is kept constantly charged with electricity, which the dynamos at the power station pump into it, much as if they were pumping-engines forcing water into a long pipe.
Once the Captain looked in and told them that the engine-rooms were taking in water and that the dynamos might not last much longer.
The duty of the engine-room staff was to keep the pumps going as long as possible and to run the dynamos that supplied the current for the light and the Marconi installation.
Only the dynamos purr steadily, and an occasional tattoo on the stokehold plates tells of the firemen on duty to raise steam.
He had left all that, had sunk into a sort of intellectual torpor, insulated, as one may say, from the great dynamos of human life.
I was so glad to get back and talk to a real human being, drunk as he was, that I patted him on the shoulder and told him we would have the dynamos fixed up in the morning.
Diagram of connections of General Electric ~direct current voltage regulator~ (form T) with two dynamos and one exciter.
Practically all the methods employed for regulating the voltage of direct current dynamos and circuits, are applicable to alternators and alternating current circuits.
Testing a Generator] "These dynamos enable us to employ the power of this central station to run the elevator in our apartment house.
Some dynamos are made with stationary fields and rotating armatures, some with stationary armature and rotating fields, and some with both parts designed to rotate in opposite directions.
The insignificant amount of current required to operate a telephone receiver makes it possible to furnish the music of these dynamos to many and far distant telephones.
When I returned I asked the boys why thesedynamos were called magnetos.
I explained that the dynamos were run by steam-engines, and steam-engines required the burning of coal.
Electro-magnets are used to open switches and thus protect dynamos and other machines against a larger electric current than they are able to carry.
Each one of these dynamos has many hundred tons of iron in it.
The following table shows a series of ten tones which might be produced by the same little piece of sheet iron in a telephone receiver played upon by ten dynamos at the same time.
I notice it is stated in this book that small dynamos are usually unable to deliver more than 75 per cent.
The story, then, of the central station which we have chosen as a type is briefly this: Falling water makes dynamos revolve, generating a 4000-volt alternating current.
On each shaft are a large number of littledynamos whose armatures have various numbers of coils.
Small dynamos and magnetos are displacing dry battery cells in the sparking equipment of motor boats and automobiles.
Recall that all dynamos are generators of alternating current.
It is only a question of makingdynamos large enough, and driving them fast enough, and any temperature is possible.
We have in our commercial dynamos magnets capable of sustaining in mid-air tons of weight.
In addition to its peculiarity of giving currents of one direction without the employment of commutating devices, such a machine differs from ordinary dynamos in that there is no reaction between armature and field.
Any of the dynamos at present in use may be easily adapted for this purpose by making connections to proper points of the generating coils.
The ordinary forms of continuous current dynamos may, however, be employed for the same work, in accordance with a method of adaptation devised by Mr. Tesla.
And with his lamp he went down to inspect the dynamos again and to assure himself that his belief was correct, his faith that one or two of them could be put into running order.
Then he dropped the wires over the side of the building to connect with one of the dynamos in the sub-basement.
Half heard, mingled with the eternal turmoil of the rapids, rose the far purring of the giant dynamos in the power-houses below the cliff.
It has seemed to me that the same rush of water in Little Bill Creek that runs the dynamos at Royal is in evidence--to a lesser extent--at the old milldam.
That evening the village was again brilliantly lighted and thereafter the big dynamos whirled peacefully and without interruption.
The fitting and mechanical build of the dynamos leaves nothing to be desired.
The conditions just stated are present in dynamos for heavy current work, where the speed of cutting of lines is low and the armature conductor large in section.
All the working parts of the dynamosand engines are turned up to gauge and template, so as to be interchangeable.
The engines had ceased working but the dynamos were running on steam from the main boilers, and through the noises that filled the night the sewing machine sound of them threshed like a pulse.
The arc lamp had gone out, the dynamos had ceased running.
He said there were some men tending the furnaces and dynamos who thought either Kirby or Chepa would be back before midnight.
Among them they had two dynamos more or less mutilated trying to switch them on with a pick-axe.
Chamberlain & Hookham began, a few years ago, the manufacture of dynamos having permanent steel magnets, but they subsequently adopted the more usual type of electro-magnetic machines.
Blackpool Electric Tramway, the Giants’ Causeway Electric Tramway, the Cannock Chase Colliery, the Grosvenor Gallery and many other establishments are lighted or worked by means of dynamosmanufactured by the Wolverhampton firm.
This advantage reduces the expenditure necessary upon boilers, engines, and dynamosat the tramway generating station.
Commutating poles as applied to rotary converters fulfill the same functions as in the more familiar applications to dynamos and motors.
A storage battery capable of furnishing 3,000 amperes for one hour is used in co-operation with the dynamos provided to excite the alternators.
The five direct-current dynamos are connected to the organization of switching apparatus in such a way that each unit may be connected at will either to the exciting circuits or to the circuits through which auxiliary motors are supplied.
In the evening and at night, when the electricity was used for lighting purposes, the railways had to be worked by dynamosof several thousand horse-power.
It is by means of this, and the three dynamos on the ground that we were able to neutralize your engines last night and bring them down where we wanted them.
The dynamos were whirring with intense velocity, but not the slightest sound was audible.
Far below them, in the cellars of the great structure at Thirty-fourth Street and Broadway, there are other squads who stand to unending tricks at the boilers, the engines, the dynamos and the other mechanical appliances of the organism.
And so that the very heart and blood and nerve-force of Macy's shall in truth be unending there are engines and boilers and dynamos in the mechanical plant under the Thirty-fourth Street sidewalks.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "dynamos" in a variety of sentences. We hope that you will now be able to make sentences using this word.
