Synchronous Generator Parameter Estimation Using Pseudo-Inverse Method in Hybrid Domain
Radmanesh, H.R.
Shakouri, H.G.
Nazarzadeh, J.
Shahed Univ., Tehran;
This paper appears in: Industrial Electronics, 2007. ISIE 2007. IEEE International Symposium on
Publication Date: 4-7 June 2007
On page(s): 335-340
Location: Vigo,
ISBN: 978-1-4244-0755-2
INSPEC Accession Number: 9649808
Digital Object Identifier: 10.1109/ISIE.2007.4374622
Current Version Published: 2007-11-05
Abstract
This paper presents an efficient alternative method to estimate synchronous generators parameters using real time operating data. The main idea considers the use of hybrid legendre block-pulse functions for fitting measured input-output synchronous generator signals. This allows writing a set of linear algebraic equations that can be solved for the unknown parameters using the pseudo-inverse. The results obtained by this method show accuracy and robustness against the noise corruption in process and/or measurements. Therefore, this alternative utilizes two advantages: first, Integration for calculating basis functions coefficients, and averaging the signals, so that the noise corruption is highly reduced. Second, the minimum squared error concept is used in pseudo-inverse method, so that the remained error from previous stages is minimized.
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