Page 367 - Fluid Power Engineering

Index 327

National Research Council, 248, P95, 164
266 P99, 164
National Telecommunications Pay-as-you-go, 295
Information Payback period, 125, 165,
Administration, 265–266 286–287
National Weather Service, Payment-in-lieu-of-taxes, 281
263 Permanent magnet, 176,
Natural gas, 4, 222–223, 247 201–204, 207–210, 216–217,
NCAR, 91, 112–114, 126–129, 225, 231
131, 136, 140 Permitting, 252, 254, 302, 304,
Net after-tax cash flow, 286–287 307, 309
Net present value, 165, 283, Phase angle, 202–204, 211
285 Pitch angle, 46, 69, 177
Net-metering, 270, 272–273 Pitch mechanism, 73, 169,
Newton’s second law, 14, 16, 23, 177–178, 216
48 Planetary gears, 178–179
NEXRAD, 263 Point of common coupling, 232,
Noise, 244, 247–248, 254–257, 279
259–260, 306–307 Post-tensioning systems, 278
Non-spinning reserves, 222 Power coefficient, 19–20, 49–51,
Normal turbulence model, 101, 61–62, 64, 66–68, 70, 72
185 Power density, 30–33, 105,
Normal wind profile, 185–186, 145
188 Power electronics, 69–70, 210,
NREL, 96, 190, 277 216, 218, 225, 231, 240
Power factor, 191–194, 207–208,
O 217, 229–231
Obstacles, 91, 116–118, 122, 126, Power law, 33, 87, 188
262 Power performance curves,
Obstruction Evaluation/Airport 63–64, 70
Airspace Analysis, 260 Power purchase agreement
Offshore, 5, 107, 120, 154, 248, (PPA), 240, 270, 306
272 Power quality, 190, 232, 245
Operating Costs, 269, 279 Prandtl’s tip loss factor, 66
Operations and maintenance Pressure drag, 57–59
(O&M), 190, 281, 283, 285, Production tax credit, 275,
313, 320 282–283, 285, 287–288, 297
Opti slip, 215, 217 Propeller anemometer, 77
Optimal layout, 156–158 Prospecting, 111–116, 123, 125,
Organizational structure, 269 301–303
Overspeeding, 86, 88, 164 Protection system, 171, 190, 221,
225, 236–237, 241, 309
P Public outreach, 307
P50, 164 Public Utility Regulatory Policy
P84, 164 Act, 270
P90, 164 PWM inverter, 209