7.1 Intro to Emergency Procedures

Question 1

What are the 4 levels of emergency procedures? How are they communicated?

Answer 1

Advisory > Alerts > Warnings > Actions

Communicated via All-Call, posted to PJM website

Question 2

What is the timeline for Advisories and Alerts?

Answer 2

Issued in advance of the operating day.

Question 3

What is the timeline for Warnings and Actions?

Answer 3

Issued during the operating day

Question 4

How does PJM define an emergency?

Answer 4

Abnormal system conditions that require action to:

• Maintain frequency
• Sustain reliability,
• Ensure safety
• Prevent loss of load, equipment damage

Question 5

Who is responsible for declaring an emergency with in the PJM RTO?

Answer 5

PJM

Question 6

What is an EEA Level 1 and what PJM procedures correspond with this?

Answer 6

“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

Question 7

What is an EEA Level 2 and what PJM procedures correspond with this?

Answer 7

“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

Question 8

What is an EEA Level 3 and what PJM procedures correspond with this?

Answer 8

“Firm Load Interruption Imminent or In Progress”

Declared when PJM issues Manual Load Dump Actions