03872nam a2200217Ia 4500 9905 9905 200103s 1971 ||||xx |||||||||||||| ||und|| 0408000287 623.8503 WAT Watson, G. O. Marine electrical practice 4th Newnes-Butterworths 1971 London 502 p.: ill. Marine engineering series. Table of Contents Chapter 1. Introduction; Requirements and regulations; Temperature requirements; A.C. installations; Chapter 2. Insulation and temperature ratings of machines; Hot-spot temperatures; Temperature rise; Ambient air temperatures; Basis of machine ratings; Method of measurement of temperature rise by resistance; Measurement of ambient air temperature; Chapter 3. D.C. generators; COMPOUND-WOUND GENERATORS; PARALLEL OPERATION; Chapter 4. D.C. switchgear; Types of construction Switchgear for parallel operated generatorsReverse current protection; Instruments; Preferential tripping; Dashpots; Earth indication; Pilot lamps; Protection against short-circuit; Fuses; Discrimination; Busbars; Busbar cooling; D.C. busbar ratings; Electromagnetic effects on busbars; Chapter 5. Rotary amplifiers; Chapter 6. A.C. generators; GENERATORS; SEPARATELY-EXCITED A.C. GENERATORS; SHAFT-DRIVE GENERATORS; Chapter 7. Automatic voltage regulators; Component parts; Operating principles; Sources of excitation supply; Voltage comparison circuit; Amplifier and conditioning circuit Excitation control elementPower circuits; Load sharing; Excitation during short circuit; Additional features; Chapter 8. A.C. switchgear; CIRCUIT BREAKER RATINGS; CONSTRUCTION; MAINTENANCE; A.C. BUSBAR RATINGS; GENERATOR PROTECTION; GENERATOR INSTRUMENTATION; NEUTRAL SWITCHING; POWER FACTOR AND LOAD SHARING; SYNCHRONISING; AUTOMATIC CONTROL OF DIESEL GENERATOR SETS; References; BIBLIOGRAPHY; Chapter 9. Distribution; A.C. SYSTEMS; FREQUENCY; NEUTRAL EARTHING; FUSES; MINIATURE CIRCUIT BREAKERS (M.C.B.); MOULDED CASE CIRCUIT BREAKERS (M.C.C.B.); PROTECTION; CABLE PROTECTION; DISCRIMINATION ARRANGEMENT OF CIRCUITSDIVERSITY FACTOR; STEERING GEAR CIRCUITS; SHORE CONNECTIONS; TRANSFORMERS; CONTROL OF VENTILATING FANS; PUMPS; References; Chapter 10. Electric cables; CONDUCTORS; INSULATION; SHEATHING; ARMOURING AND SCREENING; FLEXIBLE CORDS AND CABLES; CURRENT RATINGS; INSTALLATION OF CABLES; Chapter 11. Motors; D.C. MOTORS; MAINTENANCE; Chapter 12. Motor control gear; D.C. motors; AC/DC motors; A.C. motors; Overload protection; Bi-metal thermal overload relays; Magnetic overload relays; Temperature sensing devices; Protection against single-phasing; Star-delta starter Vacuum contactorsUnder-voltage protection; Three-phase A.C. starters; Auto-transformer starter; Rotor starters (rotors or slipring motors); Incorrect phase connections; Incorrect motor connections; Synchros; Maintenance of control gear; Chapter 13. Semi-conductor diodes; Environmental conditions; Rectifiers; Germanium rectifiers; Selenium rectifiers; Silicon rectifiers; Choice of type; Thyristors; Transistors; Tunnel diodes; Chapter 14. Storage batteries and battery control gear; CLASSES OF BATTERIES; TYPES OF STORAGE BATTERIES; MARINE BATTERY APPLICATIONS Includes index A standard work on the installation, maintenance, and operation of marine electrical equipment since its first publication in 1957 as a guide for engineers preparing for competency exams and a reference for seagoing engineers and electricians. Changes since the 5th edition (1981) include new or expanded discussions of programmable electronic systems, protection and discrimination, impressed cathodic protection, and other recent technological advances and changes in standards. Ships Electric equipment Electrical engineering BK 0 0 ddc 0 623_850300000000000_WAT 0 NFIC 10923 MU MU GEN 2020-01-08 2 2 623.8503 WAT MPC2247 2025-03-17 2024-08-26 BK Column - 51 0 0 ddc 0 623_850300000000000_WAT 0 NFIC 13256 MU MU GEN 2020-01-08 623.8503 WAT MPC2147 2025-03-17 BK Column - 51 0 0 ddc 0 623_850300000000000_WAT 0 NFIC 13257 MU MU GEN 2020-01-08 623.8503 WAT MPC1765 2025-03-17 BK Column - 51 0 0 ddc 0 623_850300000000000_WAT 0 NFIC 13258 MU MU GEN 2020-01-08 623.8503 WAT MPCFR19 2025-03-17 BK Column - 51