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Search results for: harmonic
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Year: 2015, Volume: 15, Number: 3
... increase of sensitive electronic quality, it is important to know the structure of their harmonic devices in the load profile of modern systems and the spectrum. For that ... Podgorica, Montenegro sasam@ac.me Abstract — Switching surges can cause voltage conditions and harmonics that accompany the observed process were degradation, and this paper presents a new ...
Year: 2010, Volume: 10, Issue: 3
... used to drive an asynchronous motor. The proposed circuit has a low input current harmonic content, can ensure the load overcurrent protection and has a better reliability. ... . In the last period, considerable efforts were made to reduce the number of harmonics injected into the system. In Figure 2.Static converter with PWM – VSR order ...
Year: 2013, Volume: 13, Number: 3
... the rotor, Various kinds of induction motors are designed for high otherwise, the harmonic components will induce a large speed applications such as: squirrel cage IM [ ... fewer (4) are plotted as functions of Np, the point of their harmonics in the stator's mmf. Leakage and winding factors intersection represents the value of ...
Year: 2017, Volume: 17, Number: 4
... compensation as well as controllers are usually used to control D-STATCOM devices. for the harmonic elimination [4]. D-STATCOM device used in a wind power distribution system ... voltage of conventional devices such as switched capacitor groups and amplitude and the elimination of harmonics are both Static Var Compensator (SVC) to improve the power quality. ...
Year: 2015, Volume: 15, Number: 3
... filter [19]. signal signal III. REFERENCE SIGNAL ESTIMATION t For the harmonic compensation by using active systems, the shunt active filter, made with a ... AND CONTROL point of common coupling (PCC). Regarding power quality issues, harmonics have a significant importance, because The aim of active filters control is to ...
Year: 2015, Volume: 15, Number: 2
... current to the grid for single-phase grid- in order to form sinusoidal current lower harmonic connected photovoltaic (PV) energy generation systems. The distortion [6] ... without filtering equipment that used in the- conventional LCI circuits in order to suppress harmonics. Figure 1. The conventional LCI circuit Furthermore, the desired power can ...
Year: 2010, Volume: 10, Issue: 3
... switching function uses three the inverter operates at high switching frequencies, inputs; undesired harmonic components can be produced. 1) Torque error between actual and estimated values ... system for voltage and position. However, this method is based on expert current harmonics suppression. The results proved that knowledge. Some researchers have proposed a combination ...
Year: 2022, Volume: 22, Number: 4
... input current Total the overall life of the driver as the lifespan of the capacitor Harmonic Distortion (THD) of 6.11, and power factor of 0.996. is ... During DCM intervals, active devices are turned off, and to allow higher switching harmonics rather than the second Co delivers the output power required to load. Inductor ...
Year: 2018, Volume: 18, Number: 4
... frequency (line frequency); k is a positive integer value, indicating the harmonic order; and fc is A scale model laboratory has been developed in order ... ESA fault patterns for PMSM. The main modulation of the fundamental frequency, whose harmonics objectives were to operate a PMSM and inject faults in a are defined by ...
Year: 2014, Volume: 14, Number: 3
... relay can be improved by using On the basis of laboratory measurements and simulations the harmonic based methods [6 ], [7 ], directional supervision [6 ... Advances in Electrical and Computer Engineering Volume 14, Number 3, 2014 level of harmonics and a decaying dc component. Owing to- I0-G- rms indicator for ...
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