NDLI: Improvement of stator insulation system for 24, 36 and 72 slots HV generators based on SNOPT method

Content Provider	IEEE Xplore Digital Library
Author	Azizi, D. Gholami, A.
Copyright Year	1994
Abstract	Geometric properties of insulation layers in stator slot of HV generator such as semiconductive coatings, groundwall insulation, phase-phase insulation as well as turn and the strand insulation are major design consideration for insulation system of HV generators. In addition, electrical conductivity, thermal conductivity, heat capacity and electrical permittivity of these insulation layers have an important role on decreasing electrical field tensions. Obtaining of optimum value for these parameters leads to achieve less electrical field tensions and more uniform electrical field distribution across them. A very powerful method presented to optimization is SNOPT (generalpurpose system for large-scale nonlinearly constrained optimization) which is coupled with Finite Element Method (FEM). These processes of optimization have been done according the proposed optimization algorithm. In this algorithm the technical constraints have been considered. This paper describes the process used to perform improvement analysis of stator slot's insulation for 24, 36 and 72 slots generators with respect to objective function and constraints.
Sponsorship	National Natural Science Foundation of China (NSFC) Region Centre Ville de Tours Conseil General D'Indre et Loire ABB IEEE Sandia National Laboratories TOSHIBA
Starting Page	594
Ending Page	602
Page Count	9
File Size	1844786
File Format	PDF
ISSN	10709878
Volume Number	21
Issue Number	2
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Insulation Optimization Generators Stator windings Finite element analysis Linear programming SNOPT Generator insulation optimization slot
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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