fault conditions
DFIG Based Wind Turbine under Fault Conditions
... ABSTRACT: This paper gives study of DFIG based wind turbine power generation system. The proposed system reliability connected to grid under fault conditions is demonstrated in MATLAB/Simulink software. A ...
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PLL Structures System for Distributed Generation Systems Under Grid Fault Conditions Mallela Naresh 1, P. Chinnaiah2 , V. Sunil Kumar Reddy 3
... grid fault conditions. In grid fault conditions we used existing methods without fuzzy logic controller PLL’s by using these methods we improve the ability of the grid ...
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Protection Schemes for Various Fault Conditions of Three Level Dc -Dc Converters
... The behavior of the flying capacitor voltage Vcss under various fault conditions in the three-level parallel resonant converter .The most common faults associated with the active devices and load, including ...
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Role of DSTATCOM in Distribution Network under Various Fault Conditions
... Simulation model of the test system is shown in Figure 3. System parameters of the test system are given in Table 1. In this test model two similar loads with different feeders have been considered, in which one of the ...
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Analysis and Design of Grid Synchronization for DGS under Critical Fault Conditions
... voltage fault conditions have gained a great ...the fault boundaries among those through which a grid-connected generation system shall remain connected to the network, giving rise to specific ...
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In Three Level DC - DC Converters Protection Schemes for Various Fault Conditions
... The behavior of the flying capacitor voltage Vcss under various fault conditions in the three-level parallel resonant converter .The most common faults associated with the active devices and load, including ...
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Performance of superconducting generators with different topologies under fault conditions
... short-circuit fault arises, the generator operates at rated condition, with rated three-phase currents imposed on the armature winding and the switches are ...the fault usually endures for quite a short ...
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Simulation Analysis of Low Voltage Micro grid under Different Fault Conditions using Fault Models
... that DGs should provide reactive current preferentially. In contrast, Guoet al [9] introduce that supplying active power achieves more effective voltage support in low voltage grid. In [10], Cornelis et al propose that ...
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Grid Voltage Synchronization for Distributed Generation Systems under Grid Fault Conditions
... Nowadays, the use of power electronics and information and communication technology (ICT) applications are key issues in the development of future electrical networks. The high penetration of renewable energy sources ...
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Performance of the Grid Connected Induction Generator Under Fault Conditions
... grid fault has been assumed to occur during a period ...grid fault condition, the voltage of the system decreases to a very low value due to the voltage dip, speed of the rotor increases as such reactive ...
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Transient thermal analysis of a data centre cooling system under fault conditions
... The total design heat load for the system is 4.6 MW with a control system that requires to maintain the IT room air conditions below 24 °C for chilled water supplied at 9 °C. The redundancy that is required of ...
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Grid Voltage Synchronization for Distributed Generation Systems under Grid Fault Conditions
... Fig. 7(a) shows the input to the system when line to ground fault occurs. The system was initially in balanced condition (having amplitude 1.5V). Line to ground fault occurs at time, t = 0.4sec.At this ...
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Artificial Neural Network Based Backup Differential Protection of Generator-Transformer Unit
... operating conditions (like normal, magnetizing inrush, over- excitation conditions in transformer) and internal faults in transformer and generator based on the differential current waveform ...internal ...
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Modeling and Simulation of a DVR with Intelligent Rule based Controller
... Abstract- The question of the quality of voltage is rapidly increasing. New technologies are introduced and we are facing many new power quality requirements. Flexible alternating current transmission systems (FACTS) are ...
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A New Scheme Based on Correlation Technique for Generator Stator Fault Detection-Part π
... The proposed technique of digital relay for synchronous generators protection using statistical auto/cross correlation coefficients [6] was described in part І of this paper. The technique evaluation using the simulation ...
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Comparative Analysis of Fault Tolerant on Three Phase and Five Phase VSI fed Induction Motor Drive
... The comparative analysis is made between 3- ϕ and 5- ϕ VSI fed IM drive in terms of different fault conditions. The fault-tolerant capability of 5- ϕ VSI is superior to the 3-ϕ drive. A 5- ϕ VSI with ...
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Toward A Theory of Test Case Reduction in Specification Based Software Testing
... of fault implies that some faults may be left during software ...of fault-based testing using DNF specifications may fail to notice faults that can be detected if testing were done from the original ...
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SIMULATION OF MPC BASED SPEED CONTROL OF PERMANENT MAGNET SYNCHRONOUS MOTOR DRIVE
... and fault conditions simulated at manufacture and the differential protection relays to be used can have the same top-map configuration in order to distinguish between inrush current and internal faults ...
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Enhanced FIS Operated Relay Model For Power System Overcurrent Protection
... V. RESULTS AND DISCUSSIONS In this paper, fuzzy logic controller is used for controlling the switching operation of the power systems during the fault conditions. A three phase supply is used as the power ...
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A single machine equivalent approach for the amelioration of critical clearing time limit
... the fault ought to be cleared with the aim of preserving the power system ...three fault conditions, which are; pre-fault, during fault and post-fault ...phase fault ...
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