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السجلات المعروضة 41 -- 50 من 84
Non-linear sliding-mode control of three-phase buck-boost inverter
(
Institute of Electrical and Electronics Engineers Inc.
, 2014 , Conference Paper)
The development of static power converters capable of transforming DC energy obtained from alternative sources into AC has become one of the main challenges in renewable energy systems. In this context, the buck-boost ...
Performance assessment of single and dual loops discrete PR controllers with LCL filter for inverter-based distributed generation
(
IEEE Computer Society
, 2014 , Conference Paper)
Due to the rapid growth of the electric energy demands, the necessity of involvement of distributed generation (DG) to overcome this demand became a must. When distributed generation renewable energy sources are coupled ...
Medium voltage flywheel energy storage system employing dual three-phase induction machine with machine-side series-connected converters
(
Institution of Engineering and Technology
, 2014 , Conference Paper)
Flywheels as energy storage systems are good candidates for numerous power system applications such as voltage support, serving fluctuating loads, frequency regulation and renewable energy utilization. Most of these ...
HVDC shunt tap based on series-input parallel-output DC-AC multi-module VSCs with DC voltages balancing
(
Institution of Engineering and Technology
, 2014 , Conference Paper)
Conventionally, tapping-off a small amount of power from an HVDC transmission line to a three-phase local network can be achieved using a DC-to-AC voltage source converter (VSC) followed by a step down transformer. In order ...
Ride-through capability enhancement of VSC-HVDC based wind farms using low speed flywheel energy storage system
(
Institute of Electrical and Electronics Engineers Inc.
, 2014 , Conference Paper)
Reliable balancing of active power generated via wind farms is vital for power system stability and for maintaining system frequency deviations within acceptable limits. This paper presents a backup power balancing technique ...
An axial magnetic gearbox with an electric power output port
(
Institute of Electrical and Electronics Engineers Inc.
, 2014 , Conference Paper)
Recently, magnetic gearboxes (MGBs) are attracting more followers as they offer great benefits over conventional mechanical gearboxes including contactless operation, lower noise, lower vibration, and they are maintenance-free. ...
Phase locked loop with fast tracking over wide stability range under grid faults
(
Institute of Electrical and Electronics Engineers Inc.
, 2014 , Conference Paper)
This paper introduces a PLL characterized by fast dynamics, wide stability range and minimal deviations. The proposed PLL is based on a frequency adaptive filtering stage to minimize the frequency and phase deviations under ...
A new five-phase to three-phase back-to-back current source converter based wind energy conversion system
(
IEEE
, 2013 , Conference Paper)
Wind energy is one of the fastest growing renewable energy sources. The increased penetration of wind power into the utility grid brings challenges such as voltage and frequency fluctuations, generator torque ripples, and ...
A stationary frame current control for inverter-based distributed generation with sensorless active damped LCL filter using Kalman filter
(
Institute of Electrical and Electronics Engineers Inc.
, 2014 , Conference Paper)
Due to the large variety of renewable power sources, power electronics play an important role in energy conversion. Different power converter topologies are used to interface distributed power generation systems (DPGS) ...
Maximum power transfer of PV-fed inverter-based distributed generation with improved voltage regulation using flywheel energy storage systems
(
Institute of Electrical and Electronics Engineers Inc.
, 2014 , Conference Paper)
One of the main issues accompanied with the high penetration of PV distributed generation (DG) systems in low voltage (LV) networks is the overvoltage challenge. The amount of injected power to the grid is directly related ...