Page 549 - Offshore Electrical Engineering Manual

536 Index

Process drives and starting requirements Protection principle, 305, 307–308
applications, 124 Protection relays, 359, 365–371
cooling and ingress protection, 124 electrical checks on electronic and induction disc
diesel–electric fire pumps, 128–130 relays, 366–368
direct current drilling motors, 126–127 electrical tests
downhole pumps, 131 on attracted armature relays, 369
fire pump diesel engine starting on thermal relays, 369–371
requirements, 130 mechanical checks on induction disc and
gas compressors, 126 attracted armature relays, 366
MOL and water injection pumps, 131 Protective circuits and devices, 383
pole configuration, 123–124 Protective Relay Application Guide (PAG), 252
power swivels, 127 Protective relays, 360, 366
reciprocating pumps and compressors, 124–125 Proven in use, 448
seawater lift pumps, 127–128 Provision and Use of Work Equipment Regulations
speed, 122 (PUWER), 418
starting, 121–122 PSM. See Plug setting multiple (PSM)
voltage levels, 121 PSR. See Pipeline Safety Regulations (PSR)
Process equipment, 165–166 Public address system (PA system), 112–113,
Process Knowledge System (PKS), 167 283–284
Process modules, 317 Public Address/General Alarm (PA/GA), 178
Process shutdown system, 167–168 Puffer stream, 90
Production casing, 458 Pull-out protection, 220
Production process essentials, 460–463. See also Pulse width modulation drive, 119
Drilling essentials PUWER. See Provision and Use of Work
artificial lift facilities, 463 Equipment Regulations (PUWER)
gas reinjection, 462 PVC. See Polyvinyl chloride (PVC)
hydrates, 460–462
oil, water and gas separation, 460 Q
oil storage and export, 462–463 QA system. See Quality assurance system
water injection, 462 (QA system)
Production switchboards, 81 Qualitative analysis, 395
Project procedures, 183–184 Quality assurance system (QA system), 184–185
Projected demand, 55 Quality control system, 185
Propulsion redundancy, 330 Quantitative analysis, 395–398
Protection and control, commissioning evaluation using event failure rates,
closing and tripping, 373 397–398, 397f
CTs, 362–365 evaluation using event probabilities,
precommissioning, 359 395–397, 396f
protection relays, 365–371 Quill, 457
protection scheme commissioning, 359–360
types, 370 R
VTs, 360–362 R/X ratio of the circuit, 69
Protection and discrimination, 251 Racking gear, 339
coordination, 257, 258f, 261, 261f Radar transmissions, ignition avoidance by,
CT saturation, 258–260 315–316
data requirements, 252–254 Radio
Earth fault relay setting, 257, 259f beacon, 179
overcurrent discrimination flowchart, 255f ignition avoidance by radio transmissions,
overcurrent protection, 252 315–316
overcurrent relay setting, 255–257 paging system, 177
relay setting of MV platform scheme, 251–252 Radiography with radioactive sources, 381
setting voltage controlled overcurrent relays, Rappelling, 408–409
262–263 Rationalisation of spares, 407