AC-side current harmonics
Three-Phase Shunt Active Filter for Power Electronic Converters
... and current signals at every consumer ...of ac power using thyristors and other semiconductor switches is widely employed to feed controlled electric power to electric loads, such as adjustable speed ...
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PERFORMANCE ANALYSIS OF WLAN UNDER VARIABLE NUMBER OF NODES USING THE ADJUSTABLE PARAMETERS IN EDCA
... single AC motors ...of current harmonics and the consumption of reactive ...the current harmonics and the reactive power are likely to cause several harmful effects ...of current ...
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Input side PFC and Output side Voltage variation with Closed loop AC-DC Converter
... integrated ac–dc converter is ...level ac–dc ...the ac–dc converter, two bulk storage capacitors are ...an ac–dc boost pre regulator converter that shapes the input current and an ...
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APPLICATION OF ANN LOGIC CONTROLLER FOR IMPROVEMENT OF POWER QUALITY USING UPQC
... and current unbalance from passing upwards from various distribution levels, reduction of voltage and current harmonics in the system and suppression of excessive supply neutral ...Flexible AC ...
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Mitigation of Disturbances on Load Side using UPQC in an AC Microgrid
... of harmonics that pollutes the power distribution ...voltage harmonics, voltage sag, voltage swell, voltage unbalance, voltage flicker, current harmonics, load reactive power, current ...
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The Investigation of Equivalent Harmonic Impedances of VSC-Based HVDC Systems
... voltage harmonics and current ...the ac- and dc-side harmonic impedances of the VSC by using the switching functions represented in space vector ...and ac-side equivalent ...
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Power Quality Improvement in DTC of Induction Motor Drive Using VSC Based UPFC
... of ac mains voltage), an energy storage element (capacitor filter for smoothening the dc link voltage), and a three-phase voltage source inverter (VSI) for feeding a three-phase squirrel cage induction ...of ...
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Mitigation of Disturbances on Load Side using UPQC in an AC Microgrid
... load side disturbances in ...load side to regulate the AUPQS DC-link voltage when the photovoltaic system is interrupted along with the suppression of grid-end current harmonics and ...
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Active Harmonic Filtering In Grid Connected Dg Unit by Observor
... harmonic current distortion is overheating of components like transformers and ...load current harmonics, reactive powerand balancing non-linear and fluctuating ...unfavourable harmonics and ...
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Power Quality Improvement of Brushless DC motor Using Buck Converter
... the ac-dc conversion of electric power is usually required; nevertheless, it causes poor power factor and many current harmonics in the input ac ...of AC main current ...
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Utility Current Compensation Of Nonlinear Load By Pv-Active Power Filter Combination Using Fuzzy
... system harmonics is equally ...factor, current imbalance, and current harmonics, and also of injecting the energy generated by PV with low total harmonic distortion ...
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Power Quality Improvement in DTC of Induction Motor Drive Using VSC Based STATCOM
... of ac mains voltage), an energy storage element (capacitor filter for smoothening the dc link voltage), and a three-phase voltage source inverter (VSI) for feeding a three-phase squirrel cage induction ...of ...
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Harmonic Reduction in Wind Energy Systems Using FLC and PI based Shunt Active Filter
... Generally, harmonics may be divided into two types: 1) voltage harmonics, and 2) current ...harmonics. Current harmonics are usually generated by harmonics contained in ...
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Harmonic Elimination of 25 kV AC Electric Railways Utilizing a New Hybrid Filter Structure
... to current harmonic distortion ...harmonic current which is almost equal to 2-3 times of allowable system harmonic level ...[3]. Harmonics induce plenty of troubles such as excess loss in system, ...
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Analysis of the Phase-Shifted Carrier Modulation for Modular Multilevel Converters
... voltage and can remove the dc-side short out current effectively by killing all the IGBTs. As it were, full- connect MMC can ensure against dc arrange deficiencies, which is an amazing trademark ...
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ENHANCEMENT OF MICROGRID CONTROL IN DISTRIBUTION SYSTEM USING FUZZY LOGIC TECHNIQUE
... an ac bus to simulate ac ...and ac load (20 kW–40 kW) are connected to dc and ac buses ...and ac buses are 400 V and 400 V rms ...the ac bus through an isolation ...
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Power Quality Audit at SAEC Using the Fluke 435 II Series
... are harmonics, voltage unbalance, the reasons for this power quality issues are usage of CFL’s , computer, electronic kits in lab, SMPS, ...THD current are exceedind the limit provided by IEEE ...
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Advanced DVR with Zero-Sequence Voltage Component and Voltage Harmonic Elimination for Three-Phase Three-Wire Distribution Systems
... Simulation is done by using Matlab SimPower System. Parameters of fuzzy polar are shown in Table 1 and Table 2. It is simulated that a short circuit fault occurs in normal load bus (Fig. 2) for 2 cycles, which causes ...
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Power reduction coordinated scheme for wind power plants connected with VSC-HVDC
... This article introduces a novel power coordination method for the operation under restricted condi- tions of offshore wind power plants connected with VSC-HVDC without the use of communications between converter ...
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Comparative Performance Evaluation of Different Compensating Current Generation Techniques for Shunt Active Power Filter
... load current is non sinusoidal and rich in ...the harmonics and reactive power demand of the load and supply current becomes almost sinusoidal and in phase with its supply ...the harmonics ...
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