What people are saying - Write a review
We haven't found any reviews in the usual places.
Shortcircuitcurrent Calculating Procedures
Symmetrical Components as Applied to Shortcircuitcurrent
Selection of AC Shortcircuit Protective Devices and Circuit
14 other sections not shown
additional amperes application approximately arrangement arresters assumed base building cable calculations capacitors capacity cent characteristics circuit breakers combination component conductor connected considered cost curves cycle desirable determine devices diagram distribution effect efficiency electric equal equipment example existing fault feeder flow fuses given ground ground-fault heat higher impedance included increased induction initial installed interrupting less lighting limit load load-center lower machine magnitude maximum method motor necessary neutral normal obtained ohms operating overvoltages phase plant power factor power system practical primary protection ratio reactance reactor reduced relay resistance result secondary selective setting short short-circuit current shown in Fig shows standard starting steam substation supply switch switchgear synchronous Table three-phase transformer trip turbine typical unit substation usually utility voltage drop volts winding