Page 548 - Offshore Electrical Engineering Manual

Index 535

Permanent power fuses, 71 uninterruptible and secure power supplies,
Permit-to-work 111–112
procedures, 347 variable-speed drive or variable-frequency
systems, 381 drive, 120
Petroleum mixtures, 460 factor, 37, 41–42
PFD. See Probability of failure on demand (PFD) of fault current, 69
PFEER regulations. See Prevention of fire and meter, 268
explosion, and emergency response generation, 337, 339
regulations (PFEER regulations) MOSFETs, 111
Phase-to-phase faults, 211, 234–235 swivels, 127
Phase/phasing System Protection, 237
check, 361 tools for windows, 248–250
faults, 208 Power management (PM), 270
unbalance protection, 217 generator controls, 265–271
Phasor diagrams, 36f system design, 270–271
Physical model, 229 systems, 269–270
PI. See Polarisation index (PI) Pre-calculated manufacturer’s design aids, 156
Pipeline Safety Regulations (PSR), 418 Precommissioning, 359, 375, 381
Piper Alpha disaster, 15, 145, 165, 381 Predict & Control (P&C), 166
PKS. See Process Knowledge System (PKS) Preparatory safety work, 349
Plain overcurrent relays, 221–222 Pressurisation, 308
Planté cells, 115 Pressurised equipment, 308
Plug and socket schedule, 198 Prevention of fire and explosion, and emergency
Plug setting multiple (PSM), 251–252 response regulations (PFEER regulations),
PM. See Power management (PM) 113, 145, 168, 415, 418
POB. See People onboard (POB) Primary injection tests, 370–371
Point sources, 145–146, 146f–147f overcurrent relays, 370, 371f
Polarisation index (PI), 376–377, 379f residual earth fault relays, 370, 371f
Polarity check, 361, 362f restricted earth fault relays, 370–371, 372f
Pole configuration, 103–104, 123–124 Primary insulation test, 353
Polycarbonate, 296 Prime movers, 5, 43, 300
Polyvinyl chloride (PVC), 95 alternators and excitation systems, 62
Pontoon and leg equipment installation, 337 combustion knock, 54
Portable cooling systems, 59
communications, 177 fuel gas disturbances, 54–55
thermometers, 32 fuel gas temperature, 54
tool sockets, 81 gas turbines, 47–52
Positive pressurisation, 17 governors, 61
Positive sequence monitoring, 33 key services generation, 65
Post red situation, 16 load profiles, 55–58
Power, 4 lube oil systems, 60–61
electronics neutral earthing, 62–63, 63f–64f
alternating current supplies, 113–114 reciprocating engines, 53
alternating current variable-frequency drives, running, 351
119–120 selection criteria, 47
batteries, 115–116 spark duration and voltage, 54
direct current supplies, 112–113 starting requirements, 63–64
direct current variable-speed drives, 119 Prior use. See Proven in use
environmental conditions, 111 Private automated branch exchange (PABX), 9, 284
sealed cells, 116–117 Probability of failure on demand (PFD), 447
selection of voltage tolerances, 114 Process area lighting, 159–160
solid-state controllers, 117 Process control and safety systems, 165–167