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Friday, April 24, 2020 | History

2 edition of How to build a direct current one kilowatt dynamo or a one horse-power motor found in the catalog.

How to build a direct current one kilowatt dynamo or a one horse-power motor

A. E. Watson

How to build a direct current one kilowatt dynamo or a one horse-power motor

  • 95 Want to read
  • 27 Currently reading

Published by Bubier Pub. Co. in Lynn, Mass .
Written in English

    Subjects:
  • Electric generators -- Design and construction.

  • Edition Notes

    Statementby A. E. Watson.
    Classifications
    LC ClassificationsTK9911 .W3
    The Physical Object
    Paginationiv, 100 p.
    Number of Pages100
    ID Numbers
    Open LibraryOL6979853M
    LC Control Number07002593
    OCLC/WorldCa13843717

      The induced current 7 or the pulsating direct current 14 is added via connecti1 and is measured by the amp amme2. The rectifier 15 (not shown) produces pulsating Direct Current which is smoothed and supplied as the DC out through wire 21 to the battery char which provides the input for the power source 9.   Of which there are two each being capable of supplying the exciting current for all the machinery that will be contained in the present buildings. The dynamos were made by Johnson and Phillips and are 60 kilowatt sets. And run at volts. The engines are high-speed compound Alley and McLellan enclosed type engines of 76 horse power.


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How to build a direct current one kilowatt dynamo or a one horse-power motor by A. E. Watson Download PDF EPUB FB2

The motor on the left is a one hoarse power motor which turns at 3, rpm when powered with VAC and the motor to the right is an induction motor that runs normally at rpm. For testing purposes, I wanted to use the motor on the left to spin the motor on the right at the correct speed so but I could test the conversion of the induction.

Thus, a one kilowatt plant permits the use of any one of these lamp circuit devices at a time, with a few lights in addition. Power. Electric power is to be had through motors.

A direct current dynamo and a direct current motor are identical in construction. How to build a direct current one kilowatt dynamo or a one horse-power motor. Author Watson, A. (Arthur Eugene), Published Full text of "Direct-current Machinery: A Text-book on the Theory and Performance of " See other formats.

How to build a direct current one kilowatt dynamo or a one horse-power motor, (Lynn, Mass., Bubier Pub. Co., ), by Arthur Eugene Watson (page images at HathiTrust) Notes on design of small dynamo, (London, Spon, ), by George Halliday (page images at. Electrical Horse Power.—It is desirable to establish the relation between watts and foot pounds in order to determine the capacity of an electric generator or motor in terms of horse power.

One watt is equivalent to one joule per second or 60 joules per minute. One joule in turn, is equivalent to ft. lbs., hence 60 joules equal. Full text of "Dynamo, Motor and Switchboard Circuits for Electrical Engineers: A Practical " See other formats.

Full text of "Direct-current Motor and Generator Troubles: Operation and Repair" See other formats. One thousand of these watts make a kilowatt, and the latter is the standard of measurement by which a dynamo or motor is judged or rated. Thus, if we have 5 amperes and volts, the result of multiplying them would be watts, or 5 volts and amperes would produce watts.

Full text of "Electricity in agriculture; the uses of electricity in arable, pasture, dairy, and poultry farming; horticulture; pumping and irrigation; electroculture; and general mechanical and domestic service on farms; for farmers, agriculturists, horticulturists, supply-station engineers, electrical manufacturers, and others" See other formats.

Full text of "Electric lighting and power distribution: an elementary manual of electrical engineering" See other formats. An engine or motor is How to build a direct current one kilowatt dynamo or a one horse-power motor book machine designed to convert one form of energy into mechanical energy.

Heat engines, like the internal combustion engine, burn a fuel to create heat which is then used to do work. Electric motors convert electrical energy into mechanical motion, pneumatic motors use compressed air, and clockwork motors in wind-up toys use elastic energy.

The latest engineering and technology from the s: A large Mercury Arc Rectifier used for converting alternating current to direct current These are the first high voltage (20, volts) rectifiers to be built in England at the new BBC Droitwich station.

The direct current motor has many advantages over the single-phase or three-phase alternating current motor in that the weight per horse power is much less and the arrangements for controlling the speed much more simple. There are practical limits to the voltage which can be used for direct current motors.

The power house contains four water tube boilers working at lbs. per square inch, which supply steam to a Robey compound engine of IHP driving by a belt an 80 kilowatt dynamo, and also to a Willans engine, coupled direct to an 80 kilowatt dynamo; the two dynamos are run in parallel to supply the motor and lighting power.

Our elevator brought us up stairs at the speed of feet per minute. It requires one horse-power to raise pounds feet in a minute. The ammeter in the engine room showed that 7 amperes of electricity were sent through the motor of the elevator to bring us up. That is, seven amperes at volt pressure give one horse-power.

If someone were to replace the permanent magnet DC motor in a Pedal Generator (such as the one on this page) with a 1/4 to 1/2 horsepower v AC induction motor and pedal that it would result in an amazing thing. If the motor was hooked to the power lines and it was "pedaled faster than it wanted to go", it would start generating v.

"Small scale hydro (micro-hydro) is the cheapest way to power an RE home. The price per watt-hour is far cheaper than photovoltaics (PV) and even less than wind. Streams run twenty-four hours a day, seven days a week, and often 52 weeks per year.

The resource is much more site-specific than solar. The direct-current transformer or dynamotor is thus a sort of double dynamo, or dynamo and motor combined.

If it gets 2, volts and 10 ampères, it would, if there were no waste, give volts and ampères; with a waste of 10 per cent., it will give volts and ampères. Suppose some one should discover a new mechanical principle--something as fundamental as James Watt—s discovery of the expansive power of steam—by the use of which it became possible to build a motor that would give ten horse power for every pound of the engine—s weight, a motor so simple that the veriest novice in mechanics could.

When running at its maximum speed, and with a proper capacity in the armature circuit, two and a one-half horse-power can be performed. The large diameter (30 inches), of course, has the advantage of affording better facility for radiation; but, on the ether hand, it is impossible to work with a very small clearance.

This banner text can have markup. web; books; video; audio; software; images; Toggle navigation. In electrics watts is supposed to represent the raising of 33, pounds one foot in one minute, or, in other words, one horse power.

The unit was established as follows: 1 watt is equivalent to 1 joul. One horse-power-hour is the per second (the joule is the practical C.G.S. unit of electrical energy. An electric motor is an electrical machine that converts electrical energy into mechanical electric motors operate through the interaction between the motor's magnetic field and electric current in a wire winding to generate force in the form of torque applied on the motor's shaft.

Electric motors can be powered by direct current (DC) sources, such as from batteries. Solution. (i) As a motor, on Light load, out of 5 Amps of line current, Amps are required for field circuit and Amps are required for field circuit and Amps are required for armature. Neglecting copper-loss in armature at no load (since it works out to be just one watt), the armature- power goes towards armature-core-loss and no.

Full text of "Dynamos, motors, alternators, and rotary converters" See other formats. This [Fig. 40] is a systematic representation of the various ways which I gave in my lecture before the Franklin Institute and the National Electric Light Association, embodying the general arrangements for the obtainment of continuous waves, undamped or damped waves, from direct and alternating current supply.

On the one side [right] you have. Full text of "Practical applied electricity; a book in plain English, for the practicalpractical applications and examples" See other formats.

Full text of "Self-contained Railway Motor Cars and Locomotives" See other formats. These alternat- ing-current dynamos had cast iron field magnets and rotating drum armatures, as shown in the accompany- ing illustrations.

The construction was simple in general and in detail. It \vas simple electrically, as compared with the direct-current ‘dynamo witl1 its in- tricate armature winding and commutator. Cost (i) Capital cost (ii) Running cost In addition to the above factors, one has to take into consideration the type of current available whether alternating or direct.

However, the basic problem is one of matching the mechanical output of the motor with the load requirement i.e.

to select a motor with the correct speed/torque characteristics. Gives detailed directions for building a horsepower motor, explaining exactly how to make each of the various parts and assemble them correctly.

Shows you how to do electro -plating at home design a small dynamo, build an electric engine, an electric locomotive, a model fire alarm tele-graph, make simple arc lamps, and light lamps by. current turns winding rotary cent magnetic square pole load length circuit commutator iron inch phase brushes loss conductors ampere deg field core You can write a book review and share your experiences.

Other readers will always be. One of them (B 1) stands ready to purchase one unit at a price as high as 14 if he can do no better, but he will, of course, buy at a lower figure if possible. B 2 will, if he must, pay as high as 13 for a unit. Other buyers2 are willing to buy (one unit each) at prices Edition: current; Page: [62] respectively lower—12, 11, etc.

At the. Full text of "A text-book on electro-magnetism and the construction of dynamos" See other formats. Electrical - Free download as PDF File .pdf), Text File .txt) or read online for free.

The Clem Motor is a motor rebuilt by a highway worker who was also a machinist. Richard Clem was working on a road paving crew when he noticed that the asphalt grinder which was used to mix new tar with old asphalt, (you know how they tear up the old road and recycle it into a machine to make the new asphalt), would remain on after the power switch was turned off.

Full text of "The book of the automobile; a practical volume devoted to the history, construction, use and care of motor cars and to the subject of motoring in America" See other formats. A new book has recently been published describing this machine entitled “Tesla's Earthquake Generator” 6 A Simple Demonstration Turbine — A drawing of a combination bladeless pump and turbine, depicted coupled together.

Air pressure from a motor driven pump drives the turbine. élementary MA i5ß Electronics Faster than a speeding:omet your voice travels on ar infrared beam across a room, city block or pasture from a light -e ritting dude to a space -age solar cell.

Complete plans in this issue. Plus Now We're Cooking With Microwaves The greatest c iscovery since fire. Learn how it works and try our lab- tested apçetizing recipes. Full text of "A Text-book of Electrical Engineering" See other formats.For example, if a power supply puts out one watt, but puts it out at one volt and one amp, then the output impedance of the source is one ohm.

(R = E/I) The transmission line had better have much less resistance than one ohm (say ohm or smaller) otherwise a significant portion of the transmitted energy will go into heating of the wire.Full text of "American Electricians' Handbook: A Reference Book for Practical Electrical Workers" See other formats.