Page 14 - Handbook of Electrical Engineering

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16.3.12 Control of the reacceleration of motor loads 446
16.3.13 Auto-synchronising of the main generators 447
16.3.14 Data logging, archiving, trending display, alarms, messages and
status reporting 448

17 Uninterruptible Power Supplies 449
17.1 AC Uninterruptible Power Supplies 449
17.1.1 The inverter 449
17.1.2 Coordination of the sub-circuit rated current with the inverter
rated current 450
17.1.3 Earth fault leakage detection 451
17.2 DC Uninterruptible Power Supplies 451
17.2.1 UPS battery chargers 452
17.2.2 Batteries 455
17.3 Redundancy Configurations 457
References 458
18 Miscellaneous Subjects 459
18.1 Lighting Systems 459
18.1.1 Types of lighting fittings 461
18.1.2 Levels of illumination 461
18.2 Navigation Aids 463
18.2.1 Flashing marker lights 463
18.2.2 White and red flashing lights 464
18.2.3 Navigation buoys 465
18.2.4 Identification panels 465
18.2.5 Aircraft hazard lighting 465
18.2.6 Helicopter landing facilities 466
18.2.7 Radar 466
18.2.8 Radio direction-finder 466
18.2.9 Sonar devices 467
18.3 Cathodic Protection 467
References 468
19 Preparing Equipment Specifications 469
19.1 The Purpose of Specifications 469
19.2 A Typical Format for a Specification 470
19.2.1 Introduction 471
19.2.2 Scope of supply 471
19.2.3 Service and environmental conditions 471
19.2.4 Compliant international standards 471
19.2.5 Definition of technical and non-technical terms 471
19.2.6 Performance or functional requirements 472
19.2.7 Design and construction requirements 473
19.2.8 Inspection and testing 474
19.2.9 Spare parts 475
19.2.10 Documentation 475
19.2.11 Appendices 477