Lambda, a scalar quantity, represents the fraction of additional 
load/generation (transfer) on the network. The continuation power flow finds 
solutions starting from lambda = 0 (base loading/generation) to lambda_max 
(nose-point, max. loading/generation).

You can translate the lambda value to a loading value by

Sd_i = Sd_base + lambda_i*(Sd_target – Sd_base)

Where Sd_base and Sd_target are the base and target loads, respectively, and 
Sd_i is the load with lambda = lambda_i.

Shri

From: <[email protected]> on behalf of Meraj Fouad 
<[email protected]>
Reply-To: MATPOWER discussion forum <[email protected]>
Date: Sunday, May 12, 2019 at 12:17 AM
To: MATPOWER discussion forum <[email protected]>
Subject: Continuation power flow_lambda

Dear Matpower community,

what is the physical meaning of lambda in CPF? The plot shows ‘voltage vs 
lambda’ (the code in the manual -page 54)

Best regards
Fouad Hasan

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