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Now showing items 11-20 of 23
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 ...
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) ...
An LCL filter-based grid-interfaced three-phase voltage source inverter: Performance evaluation and stability analysis
(
Institution of Engineering and Technology
, 2014 , Conference Paper)
Power converters in grid connection applications commonly employ Sinusoidal Pulse-Width Modulation (SPWM) technique. Passive filters are employed in order to attenuate the generated switching current ripples and reduces ...
Elimination of reverse recovery effects associated with CoolMOS devices employing current source inverter topology
(
IET
, 2012 , Conference Paper)
MOSFET transistors are continuously being an essential part of power electronic converters due to their low switching losses at high switching frequencies. However, the traditional power MOSFET suffers from a relatively ...
An active damping technique for a current source inverter employing a virtual negative inductance
(2010 , Conference Paper)
A grid connected CSI requires a CL filter stage. In this work, the isolation transformer leakage inductance constitutes this filter inductance. This CL filter is lightly damped for efficiency constraints. Hence, it is ...
Simplified generic on-line PWM technique for single phase grid connected current source inverters
(
Institute of Electrical and Electronics Engineers Inc.
, 2012 , Conference Paper)
Mandatory restrictions for a current source inverter's (CSI's) proper operation, like continuity of the DC link current, complicate the corresponding PWM generation especially in the case of single phase systems. Classical ...
A state of the art review of control techniques for power electronics converter based distributed generation systems in different modes of operation
(
IEEE Computer SocietyIEEE
, 2013 , Conference Paper)
This paper presents an overview of the state of the art techniques in inverter-based distribution generation systems. Different control techniques and classification of inverter modules operated in grid and islanded modes ...
Brushless doubly fed induction machine as a variable frequency transformer
(
IEEE
, 2012 , Conference Paper)
Variable frequency transformer (VFT) has been recently used as an alternative to HVDC to control power flow between asynchronous networks. VFT consumes less reactive power than a back-to-back HVDC system, provides faster ...