7.1 Intro to Emergency Procedures Flashcards
What are the 4 levels of emergency procedures? How are they communicated?
Advisory > Alerts > Warnings > Actions
Communicated via All-Call, posted to PJM website
What is the timeline for Advisories and Alerts?
Issued in advance of the operating day.
What is the timeline for Warnings and Actions?
Issued during the operating day
How does PJM define an emergency?
Abnormal system conditions that require action to:
- Maintain frequency
- Sustain reliability,
- Ensure safety
- Prevent loss of load, equipment damage
Who is responsible for declaring an emergency with in the PJM RTO?
PJM
What is an EEA Level 1 and what PJM procedures correspond with this?
“All Available Resources in Use” - when a control area “forsees or is experiencing conditions where all available resources are committed”.
Declared when PJM isses a Maximum Generation Emergency Alert
What is an EEA Level 2 and what PJM procedures correspond with this?
“Load Management Procedures in Effect”
when a control area “forsees or has implemented procedures up to but excluding interruption of firm load”.
- includes: Public appeals, voltage reduction, load management, interruption of non-firm
Declared when PJM issues:
- Emergency Mandatory Load Management Reductions Action
- Voltage Reduction Action
- Deploy All Resources Action
What is an EEA Level 3 and what PJM procedures correspond with this?
“Firm Load Interruption Imminent or In Progress”
Declared when PJM issues Manual Load Dump Actions
