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السجلات المعروضة 11 -- 20 من 36
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 ...
A new protection scheme for HVDC converters against DC-side faults with current suppression capability
(
Institute of Electrical and Electronics Engineers Inc.
, 2014 , Article)
Two-level voltage-source converters and half-bridge modular multilevel converters are among the most popular types of HVDC converters. One of their serious drawbacks is their vulnerable nature to dc-side faults, since the ...
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 ...
Single-sensor-based three-phase permanent-magnet synchronous motor drive system with luenberger observers for motor line current reconstruction
(
Institute of Electrical and Electronics Engineers Inc.
, 2014 , Article)
This paper presents an algorithm that enables single-sensor operation of vector-controlled three-phase permanent-magnet-synchronous-motor voltage source inverter (VSI)-based drive systems. The closed-loop operation is ...
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. ...
Calculation of derating factors based on steady-state unbalanced multiphase induction machine model under open phase(s) and optimal winding currents
(
Elsevier
, 2014 , Article)
Multiphase machines have become a promising candidate in high-power applications as they offer many advantages over their three-phase counterparts. The main salient feature is the high fault tolerance capability. During ...
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) ...
Bidirectional buck-boost inverter-based HVDC transmission system with AC-side contribution blocking capability during DC-side faults
(
Institute of Electrical and Electronics Engineers Inc.
, 2014 , Article)
Offshore wind energy is now seen as a key contributor for the future renewable energy mix. HVDC technology is among the chief technologies enabling widespread use of offshore wind. Thanks to their numerous advantages, ...
A wind turbine architecture employing a new three port magnetic gear box
(
IEEE Computer Society
, 2012 , Conference Paper)
Mechanical gearboxes are typically employed with doubly-fed induction generator based wind turbines to convert the turbine's low speed mechanical power into high-speed mechanical power to drive the electrical generator. ...