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Advancement in power electronics technology and reduction in the cost of power semiconductor switching devices has enhanced use of more and more power electronics based appliances in domestic consumer voltage distribution system (DCVDS). These nonlinear loads in the DCVDS can be characterized as voltage source or current source type. The dominancy of both these types of load may vary with time. The...
In this paper, a control strategy based on the sliding mode control is used to achieve robust control of a distribution static compensator (DSTATCOM) which is controlled as voltage source converter for the grid interface of wind turbine-generator system. The DSTATCOM is used to control the voltage of the bus to which it is connected to a balance sinusoid in respect of the harmonic distortions in supply...
This paper presents a new technique for harmonic detection, estimation and elimination in power system. The approach expresses the input signal in the form of Fourier Transformation and adjusts the Fourier coefficients using Linear Adaptive Filters (Adaline). Two of the existing approaches using conventional Fast Fourier transformation (FFT) and FFT with modified W-H learning have been discussed with...
In this paper a description of a solar photovoltaic (PV)-micro turbine grid interface using voltage source inverter (VSI) has been given for voltage support and control in rural applications. It is assumed that the availability of power in these areas is poor and unpredictable. In such cases a solar PV-micro turbine hybrid system can be used to complement the existing grid supply to improve its service...
A modular design and modular program is introduced here for high gradient quadrupoles. The proposed quadrupole design is based on simple flat racetrack coil modules. Even though many high gradient quadrupole designs using flat racetrack coils have been considered earlier, they have not been able to generate the same maximum quench gradient as produced in conventional cosine (two) theta designs. The...
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