Exam (elaborations)
PJM Warnings, Alerts, Actions, and more Questions and Answers 2024
- Course
- Institution
PJM Warnings, Alerts, Actions, and more
[Show more]
Content preview
PJM Warnings, Alerts, Actions, and moreLow Voltage Alert - answerNotify management and station key personnel, defer
maintenance and testing, check availability of all critical reactive resources (for a
Reactive Reserve Check).
Heavy Load Voltage Schedule Warning - answerIssued 4 hours prior to Heavy Load
Voltage Schedule. Place caps in service, remove reactors from service, adjust
transformer taps for distribution, and ensure voltage regulators in service on generating
units.
Reactive Reserve Check (RRC) - answerCalled for during capacity deficient conditions,
or when a Heavy Load Voltage Schedule is expected. Respond to RRC within 5-10
minutes. Requested via all-call. Tracks three types of reactive reserves: unit MVAR
reserves, condensers/SVCs, and capacitor/reactor reserves.
Capacity Shortage Alerts - answerIssued a day ahead of a scheduled load period.
There are four alerts:
1. Unit Startup Notification Alert
2. Max Emergency Gen/Load Mgmt Alert
3. Primary Reserve alert
4. Voltage Reduction Alert
Unit Startup Notification Alert - answerPlace generating units in a state of readiness so
that they can be brought online within 48 hours in anticipation of a shortage of operating
capacity, stability issues, or constrained operations.
Maximum Emergency Generation / Load Management Alert - answerProvides early
alert that the system may require the use of PJM emergency procedures. Operating
Reserve Requirement is greater than scheduled Operating Reserve... Triggered when
Max Emergency Gen is called into operating capacity, or if Demand Response is
projected to be implemented.
Primary Reserve Alert - answerAlerts of anticipated shortage of operating reserve
capacity for a future critical period. Triggered when the estimated operating reserve is
less than the forecasted primary reserve requirement.
Voltage Reduction Alert - answerVoltage reduction action may be required in a future
critical period. Triggered when estimated operating reserve capacity is less than the
forecasted synchronized reserve requirement.
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller julianah420. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $14.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
70840 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now