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Search results for: fault
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Year: 2010, Volume: 10, Issue: 3
... system computational challenges posed then [11]- internal faults in a power transformer. This method uses a ... , Number 3, 2010 Detailed Simulation of Transformer Internal Fault in Power System by Diakoptical Concept Amangaldi KOOCHAKI, ... converted to the L s, Lm. A.3. Faulty Transformer Model In order to model a transformer with ...
Year: 2010, Volume: 10, Issue: 1
... on graph theory and multivariate behavior. A system with faults does not necessarily imply statistical analysis theory, we ... 10, Number 1, 2010 Recent Research Progress in Fault Analysis of Complex Electric Power Systems Zengping WANG, ... T1 T2 T3 through fault analysis of fault component and non-fault Gen1 1.0100 0.7275 0.6924 0.6814 0.6747 component. Gen2 ...
Year: 2010, Volume: 10, Issue: 1
... not be able to suppress oscillations resulting from severe disturbances, such as three phase faults at generator II. PROPOSED POWER SYSTEM INSTALLED WITH IPFC FOR terminals [1 ... be employed in the system with a single machine and two in system loading and fault in the power system are discussed. lines, out of economic reasons. ...
Year: 2010, Volume: 10, Issue: 1
... W 2 ï£ W s Cu ï£¸ï£ 0 p  too. Ideally, in default of magnetic leakages and drop  (3) voltages corresponding to winding resistance ... . This may cause intolerable vibrations and U sRd U sRd noise or possible mechanical faults. These variable torques ψ sRd= 2 (ν sr+ jsωs) ...
Year: 2010, Volume: 10, Issue: 1
... . transient and steady state operation. Using the simulation [13] A. Koochaki, S. M. Kouhsari, G. Ghanavati, "Transformer Internal Faults Simulation", Advances in Electrical and Computer program developed by the authors, no convergence errors Engineering, Suceava, Romania, Vol. 8, No 2 ...
Year: 2010, Volume: 10, Issue: 1
... . adopted procedure for PD pattern recognition for over a The PD monitoring has been recognized as one of the major decade. Based on the report of the transformer faults, insulation monitoring methods. The characteristics of the various authors reported different types of single PD sources partial discharge signals generated by a particular insulation with different electrode ...
Year: 2009, Volume: 9, Issue: 3
... the single-terminal data algorithms is that location of the single-phased faults which uses only voltage they need just one terminal ... Computer Engineering Volume 9, Number 3, 2009 Single-phased Fault Location on Transmission Lines Using Unsynchronized Voltages Marcel ISTRATE1 ... by Figure 2. The frequency spectrum and time-evolution of faulty phase oscillations. In the case of transient voltages ...
Year: 2009, Volume: 9, Issue: 3
... , fuzzy logic, the research is to prevent system faults. Online fault diagnosis neuro-fuzzy schemes, evolutionary programming ... , Number 3, 2009 Graphical User Interface Aided Online Fault Diagnosis of Electric Motor- DC Motor Case Study ... there are three types of faults. between nominal and faulty system. The residuals are These are presented below ...
Year: 2009, Volume: 9, Issue: 3
... disadvantages as compared with the inexpensive three – phase rectifiers with diodes: larger switching losses, high per – unit current rating, poor immunity to shoot – through faults, higher cost and less reliability [1 – 2]. Figure 2. Converter for two – quadrant with RNSIC; (a) Configuration; ( ...
Year: 2009, Volume: 9, Issue: 2
... [5] K. Lazetic, M. Prsa, "Calculation of Ground fault current numerical approaches of how to determine the level of distribution", 14th ... , by the use of buried in multilayer soil due to magnetic fields from nearby faulted a family of orthogonal polynomials that generates a power lines", IEEE Transaction ...
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