Difference between revisions of "Protection System"
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| − | {{definition|Protection System:<br/> | + | {{definition|Protection System:<br/>• Protective relays which respond to electrical quantities,<br/>• Communications systems necessary for correct operation of protective functions<br/>• Voltage and current sensing devices providing inputs to protective relays,<br/>• Station dc supply associated with protective functions (including station batteries, battery chargers, and non-battery-based dc supply), and<br/>• Control circuitry associated with protective functions through the trip coil(s) of the circuit breakers or other interrupting devices. <ref> [http://www.nerc.com/files/glossary_of_terms.pdf Glossary of Terms Used in NERC Reliability Standards, Updated Jan 31, 2018]</ref>}} |
| − | • Protective relays which respond to electrical quantities,<br/>• Communications systems necessary for correct operation of protective functions<br/>• Voltage and current sensing devices providing inputs to protective relays,<br/>• Station dc supply associated with protective functions (including station batteries, battery chargers, and non-battery-based dc supply), and<br/>• Control circuitry associated with protective functions through the trip coil(s) of the circuit | ||
| − | breakers or other interrupting devices. <ref> [http://www.nerc.com/files/glossary_of_terms.pdf Glossary of Terms Used in NERC Reliability Standards, Updated Jan 31, 2018]</ref>}} | ||
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Revision as of 22:54, 16 April 2018
Contents
Definitions
European Definitions
National Definitions
United States
NERC
Protection System:
• Protective relays which respond to electrical quantities,
• Communications systems necessary for correct operation of protective functions
• Voltage and current sensing devices providing inputs to protective relays,
• Station dc supply associated with protective functions (including station batteries, battery chargers, and non-battery-based dc supply), and
• Control circuitry associated with protective functions through the trip coil(s) of the circuit breakers or other interrupting devices. [1]
• Protective relays which respond to electrical quantities,
• Communications systems necessary for correct operation of protective functions
• Voltage and current sensing devices providing inputs to protective relays,
• Station dc supply associated with protective functions (including station batteries, battery chargers, and non-battery-based dc supply), and
• Control circuitry associated with protective functions through the trip coil(s) of the circuit breakers or other interrupting devices. [1]
