Transient stability analysis of themulti-machine system for the PWRnuclear power plant
Başlık çevirisi mevcut değil.
- Tez No: 719986
- Danışmanlar: Belirtilmemiş.
- Tez Türü: Yüksek Lisans
- Konular: Enerji, Nükleer Mühendislik, Energy, Nuclear Engineering
- Anahtar Kelimeler: Belirtilmemiş.
- Yıl: 2020
- Dil: İngilizce
- Üniversite: University of Portsmouth
- Enstitü: Yurtdışı Enstitü
- Ana Bilim Dalı: Belirtilmemiş.
- Bilim Dalı: Belirtilmemiş.
- Sayfa Sayısı: 78
Özet
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Özet (Çeviri)
The investigation's main purpose is to analyse the dynamic behaviour of load-following mode, closed-loop performance of Non-linear pressurised water reactor (PWR) Nuclear Power Plant (NPP) on the multi-machine system and dynamic behaviour of a network system with transient stability enhancement devices. This aim is achieved with Multiband PSS, Generic PSS, and Static Var Compensator under single-phase fault and three-phase fault. The study presents both network system responses and NPP system reaction responses. The study presents the mathematical modelling of the NPP model. The load-following mode closed-loop, Non-linear pressurised water reactor (PWR) Nuclear Power Plant (NPP) Model includes dynamics of the reactor core, thermal hydraulics, piping and plenum, pressuriser, steam generator, turbine-generator system, in addition to various actuators and sensors. The system transient stability responses are analysed with the graphs of Reactor Power, Fuel Temperature, Hot Leg Temperature, Cold Leg Temperature, Steam Generator Temperature, Pressurizer Pressure, Pressurizer Level and Turbine Power. The study is conducted using a Matlab/Simulink multi-machine system remodelled with the NPP system. The first approach analyses the transient stability responses of the multimachine power system with Generic and Multiband PSS under single-phase fault and presents the power system responses. The behaviour of load-following mode, the closed-loop performance of Non-linear PWR-NPP is presented as a comparison of two PSS impact under single-phase fault. The second approach analyses the transient stability responses of the multi-machine power system with Generic and Multiband PSS, under three-phase fault and presents the power system responses. However, the power system with Generic PSS and Multi-machine PSS cannot be stable due to insufficient synchronism torque. The voltage regulation mode SVC device is connected to the power system to improve the transient stability performance of the system. The third approach analyses the transient stability responses of the multi-machine power system, with SVC-Generic PSS combination and SVC-Multiband PSS combination under three-phase fault and presents the dynamic grid responses. The behaviour of load-following mode, the closed-loop performance of Non-linear PWR NPP is presented as a comparison of two PSS impact under three-phase fault.
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