Addressing Concerns and Solutions for Effective Reload in Power Flow Visualization
The content discusses the critical need for an option in Power Flow Visualization (PFV) to allow gradual reload of markets and non-markets during specific events, aiming to manage real-time loading effectively. It also presents the potential impacts of gradual reload and offers a solution through PFV software that includes setting maximum flow targets. The solution ensures that markets and non-markets maintain a net GTL target higher than their current hour impact. Additionally, it highlights the criteria for full reload scenarios based on different TLR levels.
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Presentation Transcript
Reload PFV September 12, 2012
Reload PFV Concern that need to be addressed: The RC need to have an option in PFV to allow gradual reload of markets and non markets during TLR level 3 , 4 or 5 events. Without the option of a gradual reload in PFV, a reload situation without capping the net impact of markets and non markets could cause an unexpected sudden increase of the real time loading of the flow gate above the SOL that was not anticipated by the RC and could not have been anticipated by the RC. The RC doesn t know how much economic dispatch potential of markets and non-markets was temporary re-dispatched during a TLR level 3, 4 or 5 event to resolve the congestion and maintain the flow gate loading below limit.
Potential GTL impact SOL Flow gate Real time MW total flow Flow gate Forecasted Flow Next hour GTL Real time Potential economic dispatch of markets and non-markets that was temporary re-dispatched to resolve the congestion. Unknown to the RC how much MW GTL Next hour TAGS Impact CH 100% reload TAGS Impact 100% reload Other value CH Other Current hour Next hour Calculation for next hour TLR 3A re-issued or TLR 5A CONCERN TLR in effective several hours
Potential GTL impact SOL Flow gate Real time MW total flow Flow gate Forecasted Flow Next hour GTL Real time PFV allows RC to set a max flow Target for reload. MW GTL Next hour TAGS Impact CH 100% reload TAGS Impact 100% reload Net GTL Target Market / Non Market Other Value CH Other Current hour Next hour Calculation for next hour TLR 3A re-issued SOLUTION TLR in effective several hours
Reload PFV Solution PFV software allows the RC to set a max flow Target for a reload situation. (see example previous slide) In that situation the Markets and Non-Markets will still get a net GTL Target that is higher than their current hour net GTL impact. The Target will be based on their current impacts calculated from real time plus a calculated reload value. The reload value will be allocated to the GTL of Markets and non- Markets based on their >5% FWD impact. For TLR level 3 based on the Non Firm >5% FWD GTL impacts and for TLR Level 5 based on all >5% FWD GTL impacts. Full reload without Targets for Markets and Non Markets will only occur if a TLR level 1 or 0 is issued.
