Hydro-electric Practice: A Practical Manual of the Development of Water Power, Its Conversion to Electric Energy, and Its Distant TransmissionLippincott, 1911 - 383 lappuses |
Saturs
| 1 | |
| 2 | |
| 4 | |
| 5 | |
| 8 | |
| 9 | |
| 10 | |
| 11 | |
| 12 | |
| 13 | |
| 14 | |
| 15 | |
| 16 | |
| 17 | |
| 20 | |
| 21 | |
| 23 | |
| 24 | |
| 26 | |
| 30 | |
| 32 | |
| 33 | |
| 34 | |
| 36 | |
| 37 | |
| 38 | |
| 39 | |
| 40 | |
| 42 | |
| 43 | |
| 44 | |
| 45 | |
| 46 | |
| 47 | |
| 48 | |
| 50 | |
| 51 | |
| 52 | |
| 54 | |
| 62 | |
| 76 | |
| 77 | |
| 78 | |
| 82 | |
| 83 | |
| 88 | |
| 100 | |
| 102 | |
| 109 | |
| 113 | |
| 119 | |
| 130 | |
| 143 | |
| 163 | |
| 164 | |
| 172 | |
| 180 | |
| 232 | |
| 242 | |
| 244 | |
| 254 | |
| 263 | |
| 265 | |
| 266 | |
| 271 | |
| 272 | |
| 274 | |
| 275 | |
| 276 | |
| 278 | |
| 281 | |
| 283 | |
| 285 | |
| 289 | |
| 292 | |
| 295 | |
| 296 | |
| 297 | |
| 298 | |
| 300 | |
| 301 | |
| 304 | |
| 308 | |
| 310 | |
| 313 | |
| 317 | |
| 322 | |
| 323 | |
| 325 | |
| 328 | |
| 330 | |
| 337 | |
| 338 | |
| 344 | |
| 348 | |
| 349 | |
| 351 | |
| 353 | |
| 362 | |
| 368 | |
| 374 | |
| 375 | |
| 379 | |
| 382 | |
Citi izdevumi - Skatīt visu
Bieži izmantoti vārdi un frāzes
abutments alternating current ARTICLE base canal cent Clinton River concrete concrete-steel conductor connected construction cost Coupled crest cubic second feet cut-off depth determined Diagram diameter discharge diversion downstream draft tube drainage area electric elevation embankments equipment evaporation fall fixed flow flume foot Foot Length gate gravel gravity ground storage head height horizontal horse-power hydraulic hydro-electric inches kilowatt kilowatt-hour length Lower Pool magnetic Maitland River material measurements monthly operating output overflow passing penstocks piles Plan pond potential flow power house power station practical precipitation pressure programme reaction turbines represents reservoir revolutions per minute river rock run-off runner Runner band sand Sandusky River secured shaft slope sluice speed spillway square square miles steel steel curtain stream structure surface timber tion transmission upper pool upstream vane velocity vertical voltage volume wall weir
Populāri fragmenti
317. lappuse - ... board as before, we see (Fig. 3) that the filings arrange themselves in curved lines similar to those of Fig. 2; while, if the return circuit of the conductor be also poked through the card, the filings assume the alignment shown in Fig. 4. From the similarity of the phenomena, it may be concluded that a conductor carrying an electric current is surrounded by a magnetic field whose strength is a direct function of the current. This was first noted by Oersted, who in 1820 observed that a compass...
171. lappuse - No. 5 Feet. 10 Feet. 15 Feet. 20 Feet. 25 Feet. 30 Feet. 35 Feet. 40 Feet.
373. lappuse - ... has duties as well as rights in this matter. While it is entitled to reasonable rates for services it renders, it has not the right to exact more than this. It must also see to it that the services it renders are adequate and that they meet all reasonable requirements in this respect. It is as important that the interests of the public it serves should be as fully protected as those of its own. The best rates are those that are based upon the cost. Each customer should under ordinary conditions...
375. lappuse - Because a certain utility has more discriminations in effect than another does not mean in itself that it is following a vicious practice or is using unlawful methods. Most of the discriminations cited are remnants of a former period of unrestricted competition; others are the outgrowth of circumstances over which the utilities themselves have no control.
376. lappuse - Boston, like many other companies, has had a system of rates based upon "fixed costs " and "running costs," so as to charge each customer substantially the cost to it of supplying him, inclusive of a reasonable return on the investment — the basic method being known as the "maximum-demand" system. One of the various modifications of this system in use in America is the Doherty system, in operation in Denver and other cities. It is based fundamentally on the readiness-to-serve principle and aims...
373. lappuse - ... city council came to an agreement on electric light and power rates as a groundwork for an ordinance giving the company a thirty-year franchise and fixing the rates for electric light and power for the first year of the franchise. The city council originally passed an ordinance requiring a uniform rate of 8 cents per kilowatt-hour, with discounts purely according to quantity. The company refused to recognize this ordinance, on the ground that it was unjust, inequitable, and confiscatory. The...
374. lappuse - ... secondary rate for all energy in excess of the foregoing amount. From August 1, 1908, to July 31, 1909, the maximum rate is 13 cents and the secondary rate 9 cents. From August 1, 1909, to July 31, 1912, the primary rate is 13 cents and the secondary rate 7 cents. A discount of 1 cent per kilowatt hour from the foregoing rates is to be allowed on all bills paid within ten days. The Union Electric Light and Power Company, of St. Louis, has put in force a new system of rates, which differs considerably...
373. lappuse - The residence-lighting rate which was agreed upon is 9 cents per kilowatt hour for the first fifty-two hours' use per month of 40 per cent of the connected load, and 6.66 cents for all over that. Commercial lighting is at the same rate, except that the maximum demand as measured by maximum-demand meters is substituted for 40 per cent of the connected load.
374. lappuse - ... to 25 per cent discount for a kilowatt-hour consumption equivalent to eighteen hours per day of the connected load. There is, also, in addition to this, a discount based on the amount of the bill, which is from 5 per cent on bills of under $10 to 56 per cent on bills of over $9,000 per month. The motor rates are graded on the same plan.
81. lappuse - V is velocity in feet per second, g is acceleration of gravity, 32.2 feet per second, and h is the head or height of water above the weir crest.