BE456274A - - Google Patents
Info
- Publication number
- BE456274A BE456274A BE456274DA BE456274A BE 456274 A BE456274 A BE 456274A BE 456274D A BE456274D A BE 456274DA BE 456274 A BE456274 A BE 456274A
- Authority
- BE
- Belgium
- Prior art keywords
- voltage
- devices
- voltages
- comparators
- methods
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 14
- 230000000737 periodic effect Effects 0.000 claims description 6
- 230000001747 exhibiting effect Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 12
- 230000000694 effects Effects 0.000 description 5
- 230000010363 phase shift Effects 0.000 description 5
- 238000001514 detection method Methods 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- JCYZMTMYPZHVBF-UHFFFAOYSA-N Melarsoprol Chemical compound NC1=NC(N)=NC(NC=2C=CC(=CC=2)[As]2SC(CO)CS2)=N1 JCYZMTMYPZHVBF-UHFFFAOYSA-N 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000009849 deactivation Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/26—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents
- H02H3/28—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at two spaced portions of a single system, e.g. at opposite ends of one line, at input and output of apparatus
- H02H3/30—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at two spaced portions of a single system, e.g. at opposite ends of one line, at input and output of apparatus using pilot wires or other signalling channel
- H02H3/302—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at two spaced portions of a single system, e.g. at opposite ends of one line, at input and output of apparatus using pilot wires or other signalling channel involving phase comparison
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Emergency Protection Circuit Devices (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE456274A true BE456274A (Direct) |
Family
ID=109973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE456274D BE456274A (Direct) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE456274A (Direct) |
-
0
- BE BE456274D patent/BE456274A/fr unknown
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