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The following diagramme shows how the final Algo Bid is a composite of the Last Acknowledged Bid, The Last Acknowledged Manual Bid (reference bid) and the Modified Bid that was optimised by the solver, and which consumed the Reference Bid.
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Bid Process Trigger and Submission Scheduling
The trigger that begins the process of generating and submitting an algo bid is the publication of a new 5min forecast (for example AEMO’s p5min). Once this process is completed a scheduler is invoked whereby the set of algo bids are submitted at a predefined number of seconds into a dispatch interval. For example 240 seconds into the dispatch interval. In this instance the AEMO acknowledged timestamp will be 2-5 seconds later (for example 10:04:03).
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Bid Formulation and Submit Cycle
The Algorithms formulate a new Algo bid every five minutes irrespective of the status of the Submit Mode.
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Note that the mini sync occurs after the scheduler (and hence just before an algo bid is submitted). |
Conditions for submitting an Algo Bid
Before an Algo Bid is submitted pdBidr checks the following:
Is there a difference between the Algo Bid and the Active Acknowledged Bid? If Yes then:
Is Submit Mode ON? If Yes then:
Check for a new Reference Bid. Is there a new Reference Bid? If No then:
Submit Algo Bid!!
Note that all three checks must be validated before an Algo Bid will be submitted. Whatever happens pdBidr will repeat the cycle again.
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