Convention, Masalah 40 |
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... factor , then reducing the load to zero , and measuring the terminal voltage , with speed and excitation adjusted to the same values as before the change . This method is not generally applicable for shop tests , particularly on large ...
... factor , then reducing the load to zero , and measuring the terminal voltage , with speed and excitation adjusted to the same values as before the change . This method is not generally applicable for shop tests , particularly on large ...
Halaman
... factor cos , is then cb of Fig . 2 , which , laid off in Fig . 1 , gives point d . By finding a number of such points , the curve Bdd ' for power factor cos is obtained and the regulation at this power factor ( expressed in 100 X a'd ...
... factor cos , is then cb of Fig . 2 , which , laid off in Fig . 1 , gives point d . By finding a number of such points , the curve Bdd ' for power factor cos is obtained and the regulation at this power factor ( expressed in 100 X a'd ...
Halaman
... factor curve will lie quite close to BD , particu- larly in those parts that are used for determining the regulation . This is the case with many turbo - generators and high - speed water - wheel generators . In many cases , however ...
... factor curve will lie quite close to BD , particu- larly in those parts that are used for determining the regulation . This is the case with many turbo - generators and high - speed water - wheel generators . In many cases , however ...
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