Convention, Masalah 40 |
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... losses . See §452 . I'R loss in all windings , based upon rated k - va . and power factor . Stray load - losses . In approximating these losses , the method described in §458 shall be employed . Friction of bearings and windage . Brush ...
... losses . See §452 . I'R loss in all windings , based upon rated k - va . and power factor . Stray load - losses . In approximating these losses , the method described in §458 shall be employed . Friction of bearings and windage . Brush ...
Halaman
... losses shall be included in the total converter losses in estimating the efficiency . Transformers No - load losses . These include the core loss , and the I2R loss due to the exciting current , also the dielectric loss in the ...
... losses shall be included in the total converter losses in estimating the efficiency . Transformers No - load losses . These include the core loss , and the I2R loss due to the exciting current , also the dielectric loss in the ...
Halaman
... loss curve for the duty cycle which the motor is to perform , and calcu- late from these the root - mean - square current and the average core loss . 1109 ( b ) If the calculated r.m.s. service current exceeds the continuous rating ...
... loss curve for the duty cycle which the motor is to perform , and calcu- late from these the root - mean - square current and the average core loss . 1109 ( b ) If the calculated r.m.s. service current exceeds the continuous rating ...
Isi
Large TurboGenerator Units | 17 |
Condensers | 25 |
Power House Auxiliaries | 34 |
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alternating current amperes apparatus auxiliaries boiler room brick cable capacity chemical circuit coal Committee commutator Company condenser conductor connected construction copper corrosion current transformers Curve Demand Meters determined device direct current drop earth efficiency Elec electric railway electrolysis Engineers equipment feed water feeders frazil ice frequency heat higher inches increase indication induction installation instrument insulation joints kilowatts kv-a load loss machine main unit manufacturers measurements mechanical metal method motor National Electric Code operation oxidation percent pipe plant potential pounds power factor practice present pump rails rated ratio reactance regulation resistance Section soda ash specific speed standard steam pressure steam turbine stoker storage stray currents structures superheat supply surface surface condensers switch temperature tion track transformers tube turbine volt-amperes voltage volts watthour meter Wattmeter windings wire