Handbook of Electrical Engineering

594 HANDBOOK OF ELECTRICAL ENGINEERING The proportion of current entering the groundIfeis therefore:- |Ife|=|ZeIf/(Ren+Rep)| = 0 ...

EARTHING CURRENT AND ELECTRIC SHOCK HAZARD POTENTIAL DIFFERENCE 595 Table H.1d. Results for earth resistance, touch voltage, gro ...

596 HANDBOOK OF ELECTRICAL ENGINEERING Comments on the results Case A. The resistivity of the lower soil was chosen to be a mode ...

Appendix I Conversion Factors for the SI System of Units (Note, the abbreviation SI means Systeme International d’Unit` `es, ref ...

598 HANDBOOK OF ELECTRICAL ENGINEERING Non-electrical units Name of SI unit Symbol Illumination lux lx Luminous flux lumen lm Me ...

CONVERSION FACTORS FOR THE SI SYSTEM OF UNITS 599 I.4.2 Area Convert to Multiply by acre m^2 4046.86 acre km^2 0.00404686 acre h ...

600 HANDBOOK OF ELECTRICAL ENGINEERING Convert to Multiply by US pint UK pint 1.20095 US gallon ft^3 0.1337 US gallon in^3 231.0 ...

CONVERSION FACTORS FOR THE SI SYSTEM OF UNITS 601 I.4.6 Force Convert to Multiply by dyne N 10 −^8 kgf N 9.80665 lbf N 4.44822 o ...

602 HANDBOOK OF ELECTRICAL ENGINEERING Convert to Multiply by btu kW-h 0.00002931 btu/ft^3 kcal/m^3 8.899 btu/lb kcal/kg 0.5556 ...

CONVERSION FACTORS FOR THE SI SYSTEM OF UNITS 603 Convert to Multiply by inches of mercury mb 33.8639 inches of mercury N/m^2 33 ...

604 HANDBOOK OF ELECTRICAL ENGINEERING I.4.13 Electricity and magnetism Convert to Multiply by gauss tesla, T 10 −^4 gilbert A 1 ...

CONVERSION FACTORS FOR THE SI SYSTEM OF UNITS 605 Convert to Multiply by USbarrels/day USgal/min 0.029 USbarrels/day ft^3 /h 0.2 ...

606 HANDBOOK OF ELECTRICAL ENGINEERING Constants Numerical value Symbol Acceleration 9.80665 m/s^2 g due to gravity 32.174 ft/s^ ...

Index Accelerating power 304, 441 Acidic environment 395 Active power 4, 5 Admittance relay 320 Air gap Flux 62 Voltage 62, 103 ...

608 INDEX Cables (Continued) Derating factors for ground temperature 204 Directly buried 124, 199 Ducts, trenches and direct bur ...

INDEX 609 ONAN 12 TEFC 80 Water 121, 139 Coordination, of contactors and fuses 155 Coordination, see also contactors Complete fo ...

610 INDEX Dirty engine, gas turbine 38 Diversity factor 4 Diversity factor applied to loads 199 Double frequency 492 Double insu ...

INDEX 611 Step voltage 589 Touch voltage 589 Electrolytic tank, for slip ring motors 391 Electromagnetic interference 399 Electr ...

612 INDEX Fault making capacity 151 Feedback Derivative 84, 88 Damping 84, 539 Gain 399 Regulation 389 Signals 392 Transfer func ...

INDEX 613 Gate turn-off thyristors 405 Generator decrement curves, for fault currents 315 Generalised theory of electrical machi ...