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Navy Electricity and Electronics Training Series
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Module 3 -- Introduction to Circuit Protection, Control, and Measurement
Pages i, 1-1, 1-11, 1-21, 1-31, 1-41, 1-51, 1-61, 1-71, 2-1, 2-11, 1-21, 2-31, 2-41, 3-1, 3-11, 3-21, 3-31, AI-1, AII-1, AIII-1, IV-1, Index MODULE 3
Index A Ammeters, 1-16 to 1-23 connected in series, 1-17, 1-18 effect on circuit being measured, 1-18 ranges, 1-19 to 1-23 range selection, 1-23, 1-24 safety precautions, 1-24, 1-25 sensitivity, 1-19 Automatic switch, 3-5 B Basic meter movements, 1-4 to 1-16 compass and alternating current, 1-10, 1-11 compass and conducting wire, 1-4 to 1-6 damping, 1-12, 1-13 electrodynamic meter movement, 1-13 hot-wire and thermocouple meter movements 1-15, 1-16 indicating alternating current, 1-13 moving vane meter movements, 1-14 permanent-magnet moving-coil movement, 1-6 to 1-10 rectifier for ac measurement, 1-11, 1-12 C Cartridge fuse, 2-6, 2-7 Circuit breakers, 2-20 to 2-29 magnetic trip element, 2-23, 2-24 maintenance, 2-28, 2-29 physical types, 2-26, 2-27 thermal-magnetic trip element, 2-24, 2-25 thermal trip element, 2-23, 2-24 time delay rating, 2-26 trip-free/nontrip free, 2-25, 2-26 Circuit control devices, 3-2 to 3-31 maintenance and replacement of switches, 3-15 to 3-18 relays, 3-22 to 3-27 solenoids, 3-19 to 3-22 switch ratings, 3-15 switch types, 3-4 to 3-16 Circuit measurement, 1-2 to 1-58 ammeters, 1-16 to 1-24 basic meter movements 1-4 to 1-16 meters, others, 1-47 to 1-56 multimeter, 1-40 to 1-47 ohmmeter, 1-32 to 1-40 voltmeters, 1-24 to 1-32 Circuit protection, 2-2 to 2-29 checking and replacement of fuses, 2-15 to 2-19 circuit breaker maintenance, 2-28, 2-29 circuit breakers, 2-20 to 2-29 fuseholders, 2-13 to 2-15 fuse ratings, 2-8 to 2-10 fuse types, 2-6 to 2-8 identification of fuses, 2-10 to 2-13 Commercial designation, fuses, 2-12 to 2-13 new, 2-13 old, 2-12, 2-13 Compass and alternating current, 1-10, 1-11 Compass and conducting wire, 1-4 to 1-6 Cross reference of military and commercial fuse designations, AIV-l, AIV-2 Current rating, fuse, 2-8 D Damping, 1-12, 1-13 E Electrodynamic meter movement, 1-13 F Frequency meters, 1-50 to 1-53 moving-disk, 1-52, 1-53 vibrating-reed, 1-50 Fuseholders, 2-13 to 2-15 clip-type, 2-14 post-type, 2-14 Fuses, 2-4 to 2-20 checking and replacement of, 2-15 to 2-19 identification of, 2-10 to 2-13 ratings, 2-8 to 2-10 Index-1 Fuses - Continued types, 2-6 to 2-8 G Glossary, AI-1 to AI-3 H Hook-on type voltameter, 1-47 Hot-wire and thermocouple meter movements, 1-15, 1-16 I In-circuit meters, 1-4 Indicating alternating current, 1-13 L Laws of exponents, AII-1, AII-2 M Maintenance and replacement of switches, 3-15 to 3-18 checking switches, 3-15 to 3-18 preventive maintenance of switches, 3-18 replacement of switches, 3-17, 3-18 Manual switches, 3-5 Megohmmeter, 1-38 to 1-40 safety precautions, 1-39 using, 1-39 Meter movements, basic, 1-4 to 1-16 compass and alternating current, 1-10, 1-11 compass and conducting wire, 1-4 to 1-6 damping, 1-12, 1-13 electrodynamic meter movement, 1-13 hot-wire and thermocouple meter movements, 1-15, 1-16 indicating alternating current, 1-13 moving-vane meter movements, 1-14 permanent-magnet moving-coil 1-6 to 1-10 rectifier for ac measurement, 1-11, 1-12 Military designation, fuses, 2-10 to 2-12 new, 2-11, 2-12 old, 2-10, 2-11 Moving-disk frequency meter, 1-52, 1-53 Moving-vane meter movements, 1-14 Multicontact switches, 3-5 to 3-7 Multimeter, 1-40 to 1-48 function switches, 1-41 multimeter safety precautions, 1-46, 1-47 parallax error, 1-43 to 1-46 scales, 1-41 to 1-43 O Ohmmeters, 1-33 to 1-41 ranges, 1-34 to 1-36 safety precautions, 1-37, 1-38 shunt ohmmeter, 1-36, 1-37 using, 1-33, 1-34 Out-of-circuit meters, 1-4 P Permanent-magnet moving-coil movement, 1-6 to 1-10 Plug-type fuses, 2-6 R Ratings, fuse, 2-8 to 2-10 current rating, 2-8 time delay rating, 2-8 voltage rating, 2-8 Rating, switch, 3-15 current rating, 3-15 voltage rating, 3-15 Rectifier for ac measurement, 1-11, 1-12 Relays, 3-22 to 3-30 Replacement and maintenance of switches, 3-15 to 3-18 Replacement of fuses, 2-17 to 2-19
S Schematic symbols, AIII-1 to AIII-10 Shunt ohmmeter, 1-36, 1-37 Solenoids, 3-19 to 3-22 Switch types, 3-4 to 3-16 automatic, 3-5 manual, 3-5 multicontact, 3-5 to 3-7 Index-2 Switch types - Continued other types, 3-11 to 3-15 T Type of fuses, 2-6 to 2-8 cartridge, 2-6, 2-7 plug, 2-6 Time delay rating, fuse, 2-8 V Vibrating-reed frequency meter, 1-50 Voltage rating, fuse, 2-8 Voltmeters, 1-24 to 1-32 connected in parallel, 1-24, 1-25 Voltmeters - Continued electrostatic meter movement, 1-31, 1-32 loading effect, 1-25 to 1-27 making a voltmeter from a current sensitive meter movement, 1-27 ranges, 1-28 to 1-31 safety precautions, 1-32 sensitivity, 1-27 W Watt-hour meter, 1-49, 1-50 Wattmeter, 1-48, 1-49 Index-3
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