Power a. c. measurement, correction factors for series.

transformers

.XXVIII (09) 1010

consumption, air-blast transformer, blowers. XXIII (04) 236

arc lamps

due to grades in railways...

interurban railway service.

electric cooking apparatus

....

machine tools, formulas, unreliability.XXIX (10) 639

variation

Morse telegraph relays..

XXIII (03) 216

.XXVII (08) 1603

.XXIX (10) 640

... XXVI (07) 546

XXVII (08) 381

demand of United States
electric, demand of different industries in U. S...xxvII (08) 387
measurement with quadrant electrometer.XIX (02) 1040
gas, demand of different industries in U. S.................xxvII (08) 385
high-tension, measurement
.XXVII (08) 848 915

comparison of
methods ....................... XXVII (08) 858

measurements, errors due to instrument trans-
formers

oil, demand of different industries in U. S..
reactive, measurement

required to haul canal boats, tests.

requirements, ammunition hoists

cotton mill drive

dredge, gold

suction

XXIV (05) 167
.. XXVII (08) 385
XVIII (01) 300
XXVII (08) 285
.XIX (02) 682
XXVII (08) 293
XXII (03) 512
XXIX (10) 366
.XIX (02) 431

machines, various (see Name of

tunneling

.XIX (02) 449
.XXIX (10) 388
.XXIX (10) 367

vector

representation

carbon, enclosed

open

steam, demand of different industries in U. S....xxvII (08) 383

water (also see Water power).
demand of different industries in U.

Power-factor, arc, a. c. enclosed

control with synchronous motors

elevators

measurement with three-phase wattmeter.. XXVII (08) 809

regulation, early use of synchronous motors.XXIII (04) 494

physical analysis

XXIII (04) 502

XXIII (04) 509

measurement, with wattmeter..XVIII (01) 299

motor induction, different sizes....

.XVIII (01) 906

Power-plants, central (also see Central stations).

centralization advantages

choice and arrangement of apparatus.
city, choice of site

double-current generator value

connection, system classification

XVIII (01) 823
.xxv (06)

581

(10)

362

.. XXIX

(10)

116

construction, permanent vs. short-lived. XXIX (10) 756, 761
cost of construction in California, actual... XXIX

energy production, estimation

decentralized (also see Decentralized plants).

economies

definition

economy of centralization

due to centralization

efficiency, effect of accurate instruments.

thermal

Electrical Development Co.

fixed charges, effect of load-factor.

gas combined with gas plant financial
analysis

gas-electric, cost

XXVIII (09) 166
XXIX (10) IIO
xxv (06) 28
XXVIII (09) 51

...

XXIV (05) 808
..xxv (06) 25

XXII (03) 783

XXII (03) 794; XXIX (10) 690

gas-engine, cost, energy, production.. ..... XXVIII (09) 1484

overall efficiency, determination.XXVII (08) 1128

producer, advantage of large

Power-plants, (continued)

gas-engine-steam-turbine, operation charges,

distribution

.XXV (06) 26; XXVIII (09) 1480

hydroelectric capitalization of enterprise..xXVIII (09) 1412
competition with steam.... XXIII (04) 788

construction cost, actual.. .XXV (06) 186
for mines.. ....XVIII (OI) 193
.XVIII (01) 658

cost, electric repairs..

energy production.. .XXVIII (09) 1486
relative, of different

parts of equipment. .XXVIII (09) 1396
customers, classification .... XXVIII (09) 1374
depreciation, calculation.... XXVIII (09) 1424
charges. XXVIII (09) 1377, 1394

development, cost in New

steam turbine, gen-

.XXVIII (09) 1417

eral specifications. XXIX (10) 678
storage battery.... XXVIII (09) 1451

storage of energy as heat... XXVII (08) 1600

Illinois Steel Co., South Chicago...
industrial, economy incident to centraliza-
tion

Interborough Rapid Transit Co., N. Y.
description

isolated, (also see Isolated plants).

lighting, load-factor

limiting size

55

.XXIV (05)

.XXIX (10) 110

XXIX (10) 183

.XXIII (04) 786

.XXIV (05) 269

parallel vs. independent operation of units...XXI (03) 425

oil switches (see Switches).

railway d. c., cost

load-factor

three-phase, cost

records importance of keeping

reliability insurance

regulation (see Regulation).

reliability, methods of maintaining.

reserve apparatus

XXIX (10) 357

.XXIV (05) 278

economic usefulness..... XXIV (05) 261

space distribution among various apparatus.. XXI (03) 437

required by various prime movers

(see name of machine).

steam, auxiliaries, steam vs. electric driven..xxv (06) 44

boilers (see Boilers).

competition with water...

cost

in New England.

of energy production..

fuel, ratio to total..

economy

of large stations.

XXIII (04) 788

.XXII (03) 794
.XXVIII (09) 1407
XXVIII (09) 1481;
XXIX (10) 117

.. XXII (03) 503
. XXII (03) 778
XXIX (10) 345