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Search results for: frequency
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Year: 2010, Volume: 10, Issue: 4
... characteristics for the (m) proposed structure have been highlighted. Motor performance gk rate of change of inductance with respect to for variable load conditions is discussed. Frequency spectrum analyses of force profile using the fast Fourier transform (FFT) x direction (N /A2) are described to predict the vibration frequencies. The ...
Year: 2012, Volume: 12, Number: 4
... ) in the driving The main superiority of DWT over FFT is that the size of systems with Field Oriented Controlled Permanent Magnet the analysis window varies proportionally to the frequency. Synchronous Motors (PMSM) of Hybrid Electric Vehicles. The fault behaviour of the analyzed system was simulated by [15,18]. Other advantage ...
Year: 2010, Volume: 10, Issue: 1
... dynamic model for its accuracy and desirable operation at system stability. In addition, a supplementary controller for a damping of oscillation. novel modeling IPFC to damp low frequency oscillations with considering four alternative damping controllers is proposed. In [5 ], a linearized model of a system, with two IPFC In this paper selection ...
Year: 2022, Volume: 22, Number: 4
... on the other hand, conducting an effective nominal value bringing this outside the tolerance interval. analysis of their operation has become extremely Depending on their amount and their frequency of challenging. Testing and diagnosing these circuits has appearance, these faults manifest as single faults and grown to be a hot topic in research field, with ...
Year: 2019, Volume: 19, Number: 2
... /Simulink simulation environment. In the model, required in the AC integration method for power quality voltage sag and current harmonic distortion were used as issues such as frequency stability, phase angle adjustment destructive effects for the electrical energy of the utility grid. and voltage regulation. Furthermore, the AC integration Results indicate that transitions ...
Year: 2011, Volume: 11, Number: 1
... and Computer Engineering Volume 11, Number 1, 2011 choosing of the distribution type depends on the nature of the optimized problem. For example, when optimizing the frequency filters, all mentioned above is valid. More advanced algorithms can determine the parameters of the equation (4) automatically according to the previous steps' results ...
Year: 2022, Volume: 22, Number: 4
... , switch and trigger circuit, etc. The circuit schematic diagram and physical diagram are shown in Figure 8 and Figure 9. Connect the 220 V AC power frequency power supply, the air switch controls the on and off of the power supply of the entire circuit, and connect the Aluminum Steel Ground Bolt tube Hoop ...
Year: 2016, Volume: 16, Number: 2
... Xi, ki>. then builds the TDM such that each row represents the If the data client wants to search Wi, he/she sends the (frequency) weights of keywords for each document. The trapdoor <Xi, ki> to the cloud server. The server computes cloud server is then ready for ...
Year: 2010, Volume: 10, Issue: 3
... 3, 4, 5 and 6, respectively [21,22]. Thus the HIF current. In [10] and [11] the low frequency current ordinary wavelet decomposition is a sub-tree of the wavelet components performance is used, but this performance is packet decomposition tree. dependent on the kind of soil ...
Year: 2014, Volume: 14, Number: 2
... . Although low amplitude of power losses In the first category motor power factor [5] or rotor slip in five-phase BLDC drives is an important aspect for many frequency [6] is controlled. Control of motor power factor is applications, but their efficiency under faulty conditions is not a practical choice for industrial drives as ...
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