Index
| A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Z |
| O oceanographic phenomenon, 515 OCR see over-current relays ODVA open devicenet vendors association,165 oil circuit breakers, 726-28, 749-53 on-load start-up motor heating, 50 open-circuit voltage ratio tests, 306 operating parameters DG Sets, 581-84 operating power factors for industries, 867 operation theory DG Sets, 584-85 opposing torque, electric motors, 47 optical fibre cables (OFC), 840 optical isolation scheme, 392 optical sensors, 570 see current measurement |
OSHA- occupational safety and health administration -see diesel generators outdoor current transformers, 546 see current transformers outputs, (short time rating) induction motors, 77-79 over-current protection, 327-32 over-current relays (OCR), 329-30, 355 energy based discrimination, 420
overhead: over-current releases, 730-32 bus systems, 988-89
overlaps, joints, 1043-45 lines, 649 |
overspeed tests, 300 over-voltages, 643-822 computation, 943 formulae, 772 standards, 772 temporary, 647-48, 759-72 theory, 761, see also circuit interrupters; surge arresters; voltage surges
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