Arithmetic of Electricity: A Practical Treatise on Electrical Calculations of All Kinds Reduced to a Series of Rules, All of the Simplest Forms, and Involving Only Ordinary Arithmetic ...N.W. Henley Publishing Company, 1909 - 162 стор. |
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Сторінка 88
... coefficient of leakage , which is calculated for each case by more or less complicated methods . For parallel cylindrical limb magnets the calculation is exceedingly simple . The calculation in all cases is simplified 88 ARITHMETIC OF ...
... coefficient of leakage , which is calculated for each case by more or less complicated methods . For parallel cylindrical limb magnets the calculation is exceedingly simple . The calculation in all cases is simplified 88 ARITHMETIC OF ...
Сторінка 89
... coefficient of leakage of a magnetic circuit is the quotient obtained by dividing the total magnetic flux by the flux through the armature . The total magnetic flux is the maximum flux through the magnet core . Rule 69. To obtain the ...
... coefficient of leakage of a magnetic circuit is the quotient obtained by dividing the total magnetic flux by the flux through the armature . The total magnetic flux is the maximum flux through the magnet core . Rule 69. To obtain the ...
Сторінка 90
... coefficient of leakage = 1 .0052 × 2 100+ 250 100 = 3.5 . 30 As the coefficient of leakage is the factor used in these calculations , the permeance of the leakage paths is the desired factor for its determination . In the case of ...
... coefficient of leakage = 1 .0052 × 2 100+ 250 100 = 3.5 . 30 As the coefficient of leakage is the factor used in these calculations , the permeance of the leakage paths is the desired factor for its determination . In the case of ...
Сторінка 91
... leakage coefficient . X = 75.336 2 It will be observed that this calculation is based entirely on the ratio stated , and that absolute di- mensions have no effect on it . For flat surfaces , parallel and facing each other , the ...
... leakage coefficient . X = 75.336 2 It will be observed that this calculation is based entirely on the ratio stated , and that absolute di- mensions have no effect on it . For flat surfaces , parallel and facing each other , the ...
Сторінка 92
... leakage coefficient is determined and ap- plied . The requisite magnetizing force is calcu- lated in the form of ampere turns ( the analogue of volts of E. M. F. ) . The preceding leakage rules cover the case of parallel leg magnets ...
... leakage coefficient is determined and ap- plied . The requisite magnetizing force is calcu- lated in the form of ampere turns ( the analogue of volts of E. M. F. ) . The preceding leakage rules cover the case of parallel leg magnets ...
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Загальні терміни та фрази
50 cents 50 ohms 50 volts air gaps alternating current ampere turns ance appliances armature core battery C. G. S. units calculated calories capacity cells in parallel cells in series circular mils coefficient of leakage coil conductance conductor copper coulombs cross-sectional area cycles per second difference of potential distance divided drop dynamo efficiency electromotive force energy engines EXAMPLE expressed external circuit factors farad field resistance fractions given gives gram heat developed horse power horse-power inductance internal resistance joules kilogram-meter lamps in parallel leads length lines of force lines per square magnet core magnetic circuit meter microfarad microhms mils in diameter motor multiplied number of cells number of turns Ohm's law ohms resistance permeability permeance proportion ratio of conversion reciprocal reduced reluctance Rule 55 Rules 30 sectional area shunt Solution specific resistance square centimeter square inch tion turns of wire voltage weight wrought iron
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