{"id":103227,"date":"2018-03-11T10:25:41","date_gmt":"2018-03-11T10:25:41","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/optimal-power-flow-with-stability-constraints\/"},"modified":"2018-03-11T10:25:41","modified_gmt":"2018-03-11T10:25:41","slug":"optimal-power-flow-with-stability-constraints","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/aplicaciones-electricas\/optimal-power-flow-with-stability-constraints\/","title":{"rendered":"Optimal power flow with stability constraints"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Rafael Zarate Mi\u00f1ano <\/strong><\/h2>\n<p>Most existing electricity markets provide dispatch solutions that are based on economic grounds and, generally, do not explicitly consider security issues. As a result, during real-time operation, the system operator must check system security and implement control actions as necessary. This includes three primary tasks: security assessment, contingency filtering, and security control. In addition, market participants expect that the security control modifies as little as possible the market dispatch solution.  In order to ensure that the security adjustments minimally impact the original market solution, it is necessary to model the behaviour of the system and the security constraints in detail. As a consequence, the system operator typically has to deal with a nonlinear model and advanced stability analysis concepts, such as bifurcation theory.  in this thesis, opf-based preventive control tools to assist system operators in avoiding security problems related to voltage, small-signal, and transient instability are proposed. The starting point of the analysis is a market dispatch solution adjusted by losses. The proposed procedures are mainly of three types: security assessment, contingency filtering, and security control procedures. The characteristics of the security assessment and contingency filtering procedures depend on the instability phenomenon of interest. The security control procedures are basically redispatching procedures based on opf problems that incorporate stability constraints. The form of these constraints depends on the instability phenomena that limit the system security. Although, for clarity, the proposed procedures for each instability problem are presented separately, they belong to a unified procedure. The performance of the proposed procedures is tested on several power systems, including a real-world power system. The results show that the proposed procedures are useful tools for system operators because they ensure the secure operation of current power systems.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Optimal power flow with stability constraints<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Optimal power flow with stability constraints <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Rafael Zarate Mi\u00f1ano <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Castilla-la mancha<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 22\/07\/2010<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Direcci\u00f3n y tribunal<\/h3>\n<ul>\n<li><strong>Director de la tesis<\/strong>\n<ul>\n<li>Antonio  Jes\u00fas Conejo Navarro<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Antonio G\u00f3mez exp\u00f3sito <\/li>\n<li>thierry Van cutsem (vocal)<\/li>\n<li>massimo La scala (vocal)<\/li>\n<li>Luis Rouco rodr\u00edguez (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Rafael Zarate Mi\u00f1ano Most existing electricity markets provide dispatch solutions that are based on economic grounds and, 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