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3 months ago in Power System Planning By Roma
Backward approach suitable for decomposing distribution problems
Is it appropriate to use a backward (pull-out) approach to break down a multi-year distribution planning problem into a series of static planning problems?
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By Meera Answered 2 months ago
Yes, the backward or pull-out approach is a valid pseudo-dynamic method for multi-year distribution planning. The process begins with determining an optimal solution for the final planning year and then works backward to earlier years. This ensures that decisions made in each static annual stage are consistent with and lead toward the long-term planning objectives. While it does not fully capture dynamic uncertainties, it provides a coherent and computationally efficient framework for long-term distribution system planning.
Replied 2 months ago
By Roma
Thanks! Meera. This really helps clarify the method.
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By Kanika Answered 1 month ago
Another perspective is that the backward approach works best when future constraints and targets are relatively well known. By solving from the last year backward, planners can enforce consistency across periods and ensure that early-year decisions do not jeopardize long-term goals. However, if the system is highly uncertain or subject to frequent changes, combining backward planning with scenario analysis or rolling horizons can improve flexibility.
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