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It is a network which consists of generation, distribution and transmission system. It uses the form of energy and convert it into electrical energy. The power system includes synchronous generator, motor, transformer, circuit breaker and conductor.
An innovative smart PV inverter control as STATCOM for a physically connected in a distribution network for controlling state voltage and temporary over resulting from unsymmetrical faults. It increases the distributed generator capacity of distribution at more than an order of magnitude under similar network conditions.
To facilitate wireless power transceiver (WPT) function with a minimum of additional cost which can be reconfigured between a differential class-D power amplifier and a full-wave rectifier. It employed a maximum current charging mode to B2B charging efficiency, by direct charging battery with the rectifier and by powering with sourcing battery.
A Power Factor is utilized to improve power quality constraint. Bridgeless-Luo converter and Bridgeless Ultra Luo converter are two good power factor solutions that can be used for application. It analyzed the performance of two converters as a pre-regulator for BLDC motor drive system. The MATLAB Simulink model are utilized for the analysis.
The module of multilevel inverter generates 13 levels with unequal DC sources. It involves two chargeable capacitors and 14 semiconductor switches. The capacitors are self-charging without any extra circuit and lower number of components to use in wide range of applications.
A combination of a three-level multilevel inverter, a modified single-ended primary-inductor converter (SEPIC), and a dc voltage selector circuit is employed in the torque ripple suppression circuit. The experimental results show that topology is to reduce the commutation torque ripple significantly at low and high speed applications.
An efficient ac-to-ac matrix converter bucking and boosting both the magnitude and frequency of the output voltage. It reduces switching losses and enhance switching converter efficiency. This reduces the complexity of the control circuit.
Brushless DC (BLDC) motor is more reliable with higher efficiency. It is used conventional linear controller such as PI, PID and PD controller. It is a hybrid controller that combines advantages of linear PI controller and fuzzy controller in one control structure.
It presents an interleaved non isolated dc-dc converter with high-voltage gain and zero-voltage switching performance. This gives rise to further extension of the voltage. Applying the interleaving technique at the input of the converter, the ripple of the input current is reduced. Due to leakage of coupled inductors, the diodes are turned-off under zero-current switching condition.
The converter is operated in discontinuous output inductor to achieve PFC input. It avoids the inner control loop which eliminates the sensing of current. This makes the system more reliable and robust. A small-signal model of the converter by using current injected equivalent circuit approach is present to aid controller design.
The grid integration enables the consumer an uninterrupted operation of water pump irrespective of solar insolation level. It is utilize to generate switching pulses to control bidirectional power flow between solar PV system and utility grid through the common dc link. A sensor is used to drive PMSM coupled to the water pump. It is used for extracting optimum power from solar PV array under variable insolation.
It deals with design and implementation of a new charger for a battery-operated electric vehicle (EV) with power factor improvement at the front end. The converter is control using single entity to achieve the robust regulation of dc-link voltage to ensure the unity power factor operation.
It describes several PWM strategies with an AC chopper to control the speed of single-phase induction motor. The technique is use to operate power electronic switches of an AC chopper. It maintains the speed of single-phase induction motor at different load conditions by using PWM technique, which reduces harmonic contents in motor and increase the efficiency.
The PFC rectifier is well-suited for applications targeting high efficiency and high-power density. It is constructe in order to verify the characteristics of new converter, which include low switching losses and single ac-side boost inductor that allow efficiency with a switching frequency.
The system is operate using the control strategy which includes Maximum Power Point Tracking and Space Vector Pulse Width Modulation (SVPWM). It is use to operate the cascaded inverter and generates three-level output voltage under all environmental conditions.
The system in which various sources of renewable energy are connect to each other in a parallel structure of specialize converters of a few tons of volts and giving out several hundred of volts. The DC-DC converters with magnetic coupling will be analyze more particularly to show the technology limits.
A single-phase transformer which reduced leakage for grid tied photovoltaic (PV) applications. These topologies are mainly classified on the basis of leakage current reduction methods with common mode voltage (CMV) clamping.
The converter is to interface with two different power sources simultaneously. The two boost converters are integrate with a shared diode and a filter capacitor with certain dead-bands. It operates either in discontinuous-conduction mode or in hybrid conduction mode.
A new configuration of bi-directional multilevel converter in electric vehicle (EV) applications. It has multilevel DC-DC converter with a direct current link capacitor voltage balance feature. It implements two extra power switches and a capacitor to balance the voltage of T-type MLI capacitor over a complete drive cycle.
It is concern with employing a permanent magnet BLDC motor drive power from a solar photovoltaic array in which a Luo converter is use for maximum power point tracking. It has high power density, high efficiency and a simple structure rendering high output voltage with small ripples.
A quasi-cascaded H-bridge five-level boost inverter has the advantages over the cutting down passive components. A capacitor with low voltage rating is add to the topology to remove an offset voltage of the output when the input voltages of two modules are unbalance.
The inverter uses an auxiliary switch with an anti-paralleled diode in series with a storage capacitor to keep the dc-link voltage invariable. It produces higher voltage gain, reduce voltage stress across passive components and lower the coupled-inductor values and power losses.
A new LLC resonant converter with transformers in parallel for the electric vehicle battery charger. The charger provides a wide range output voltage for the battery system. In order to maintain the high efficiency under charging, the charger adopts a bidirectional switch. At low-output power condition, the charger uses one transformer to transfer the energy.
It is the function of generator side controller is to track the maximum power from wind through controlling the rotational speed of the turbine using Fuzzy Controller. The algorithm tracking the maximum power for wind speeds and ensure the power will not exceed wind speeds higher than the rated speed of wind turbine.
Regenerative braking systems that transfer the energy of an object in motion into potential to slow the vehicle down and as a result increases fuel efficiency. It improves fuel consumption and reduce overall braking load taken on by the vehicle’s friction brakes.
The utilization of low voltage photovoltaic system and battery system are work by converters in which the gain and efficiency are increase. Maximum Power Point Tracking technique is utilize to extract from solar panel by managing the DC voltage and satisfy the power requirement.
A new multilevel inverter topology using with reduced number of switches has been operate in symmetric modes. The increase number of voltage levels for determination of DC voltage sources which are investigate and effective. The verify operation of topology is model and simulated in MATLAB software.