The electrical transmission of energy: A manual for the design of electrical circuits

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D. Van Nostrand Company, 1904 - 675 стор.
 

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Factors for Different Con iuctivitiesof Aluminum
17
g Resistance and Tensile Strength of Aluminum Wire
18
Resistance of Aluminum Wire
21
11 Weights of Weatherproof Aluminum Wire
22
Properties of Aluminum Brass and Bronze Co s SiliconBronze Wire E F A
25
15 SiliconBronze Wire Weights and Electrical Resistance A B C
29
17 Stranded Cables
33
18 Circular Millage of the Various Combinations of No 000 to No 3
34
Data accompanying British P O Wire Specifications
36
Specifications issued by the British P O Authorities for the Supply of Galvanized Wire
38
f 22 Table of Resistance and Temperature of Copper
40
Strength and Weight per Mile Iron Wire
41
24 Sags and Tensions to be observed in Wires at Various Temperatures
44
Coefficients of Tension and Length for Wire Spans
45
CHAPTER
46
26 Tensile Strength of Timber
53
UST OF 7AKJ
54
Dimensions for Combination Anchor Poles
63
Data for GuyRod Branches
65
34 Data for PoleBands
67
Table No 35 Comparative TestPorcelain and Glass Insulators 82 and Pocke 36 Pole Dimensions
95
CHAPlrix i
99
Relation Between Chemical Composition and Electrical Resistance of Steel Rail
104
Chemical Composition and Conductivity of Iron Alloys
105
Specific Conductivity of Various Irons
106
Tests of Rail Bonds
113
Sag of Span Wire and Strain on Side Poles for Single Trolley Wire
130
CHAPTER V
149
Carrying Capacity of Wires Underwriters Rules
176
Insulation Resistance Underwriters Rules
185
Carrying Capacities of Stranded Cables Underwriters Rules
187
CHAPTER VI
189
Standard Vitrified Conduit
207
CHAPTER VII
226
CHAPTER VIII
251
CHAPTER IX
272
CHAPTER X
301
ContinuousCurrent Conductors
347
Calculation of Capacity by Methods of Loss of Charge 315 and Pocket 45 Chemically Pure Metals arranged in order of Increasing Resist ance for the...
349
Resistance of Metals for Grainfoot Grammemeter and Milli metermeter
350
Value of a and 9 in Formula i? J?ui + a+9
351
Resistance of 1 Milfoot of Copper Wire at Different Temperatures Fahrenheit
352
Specific Resistance of Insulators
355
CHAPTER XII
367
Relative Resistance and Specific Resistance of Copper
371
Value of 00175 + 013d
372
Relation between Length and Carrying Capacity of Fuse Wire
383
Effect on Carrying Capacity of Fuse Wires of the Duration of the Current
384
Carrying Capacity Lead and Tin Wires
385
Specific Thermal Conductivity in C G S Units
388
Temperature Relations of Neighboring Underground Cables
389
CHAPTER XIII
391
Thickness of Shell on Cylindrical Conductors Affected by the Cur rent in an Alternating Circuit
394
SkinEffect Factors for Conductors Carrying Alternating Currents
395
Graphical Table for Calculation of Inductance and Capacity 449 and Pocket
449
74 Specific Inductive Capacity
459
CHAPTER XIV
460
75 Cost of Laying One Additional Ton of Copper
478
76 Sectional Area for 1000 Amperes in Square Inches and Circular Mils
479
77 Hours of Lighting
483
CHAPTER XV
490
80 Relations between Copper Sections for Different Methods of Dis tribution
510
81 Areas Covered by MultipleWire Systems
523
82 Calculations for Point of Least Pressure
554
83 Heating Limits for Conductors
559
Aerial and Paneled Conductors
561
Minimum Safe Diameter of Copper Wire
562
Miscellaneous Methods
576
CHAPTER XVII
596
84 Relative Amounts of Conductor Material on Basis of Effective Pressure
607
85 Relative Amounts of Conductor Material on Basis of Maximum Pressure
608
Power and Inductance Factors
610
87 Inductance and Capacity of Transmission Lines
617
88 Constants for Transmission Lines
619
Example of Transmission Line Calculation
621
90 Line Loss in Percent of Power delivered
622
91 Cost of Conductors 624
624
92 Cost of Conduit
629
93 Cost per Street Foot for Manholes
631
Cost for Excavation Paving Engineering etc
632
96 Cost of Pole Lines
633
97 Cost of One Mile of StreetRailway Line
634
98 ElectricRailway Operation
635
99 Cost of Trolley Line and Third Rail
636
100 Steam Consumption of Turbine Pocket 101 Average Statistics from U S Electric Plants
638
Cost of ElectricLight Station?
639
103 Cost of Installing Arc Lamps Various Systems
641
104 Cost of Operating Arc Lamps
642
Tests on Steam Turbines
644
106 Cost of Producing Electrical Energy
645
107 Gas Consumption Gas Engines
648
108 Cost of Electric Lighting by Wind Power
649

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