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Now showing items 11-20 of 21
Investigation of inter-line dynamic voltage restorer with virtual impedance injection
(
IEEE
, 2010 , Conference Paper)
The Inter-Line Dynamic Voltage Restorer (IDVR) consists of several voltage source inverters connected to different independent distribution feeders with common dc bus. When one of the inverters compensates for voltage sag ...
New voltage regulation techniques for low voltage radial feed PWM inverter based distributed networks
(2010 , Conference Paper)
Grid voltage rise problems occur, especially at light loads, due to the proliferation of distributed generation. Two techniques are proposed for regulating the voltage in low voltage radial networks when inverter based ...
Sinusoidal PWM modulation technique of five-phase current-source-converters with controlled modulation index
(
Institute of Electrical and Electronics Engineers Inc.
, 2014 , Conference Paper)
Applications such as multiphase machine drives and wind energy conversion systems are normally based on voltage source converters (VSCs) which feature a convenient and familiar control scheme. In high-power medium voltage ...
A modified capacitor voltage control algorithm for suppressing the effect of measurement noise on grid-connected Z-source inverters controllers
(
http://dx.doi.org/10.1109/IECON.2013.6699136
, 2013 , Conference Paper)
Inverters are considered the orbit of research objectives for safe and reliable grid interface. Amongst the conventional inverters known as suitable candidates for gird connection in the last two decades, Z-source inverter ...
A modified modulation scheme for capacitor voltage control of renewable energy-fed grid-connected Z-Source Inverters
(
IEEE
, 2012 , Conference Paper)
An important issue in grid connection applications is boosting the limited output voltage of the renewable energy sources. Two-stage converters are most commonly employed for successful grid connection and optimum power ...
EK θ multilevel inverter – a minimal switch novel configuration for higher number of output voltage levels
(
Institution of Engineering and Technology
, 2020 , Article)
In this study, a new multilevel inverter (MLI) configuration is proposed to generate higher number of levels with minimal control switches. The proposed inverter's nomenclature is EK θ MLI, termed from its stems of shape. ...
New voltage sensitivity analysis for smart distribution grids using analytical derivation: ABCD model
(
Elsevier
, 2022 , Article)
Sensitivity Analysis plays a significant role in voltage prediction and control of power networks. However, the classical sensitivity methods require significant computation time. As active distribution networks require ...
A fast sensitivity analysis method for voltage control applications with distributed generation
(
IEEE Computer Society
, 2020 , Conference Paper)
Sensitivity Analysis has been widely used for voltage control of power grids. Typically, the sensitivity coefficients of network voltages are extracted from the inverse of Jacobian matrix. However, updating these coefficients ...
Voltage and congestion control in active distribution networks using fast sensitivity analysis
(
Institute of Electrical and Electronics Engineers Inc.
, 2020 , Conference Paper)
Active distribution networks will meet new challenges in voltage and congestion control due to the high penetration levels of distributed generations (DG). Optimal voltage control techniques are mainly based on the relation ...
Realtime control of distributed generation for voltage stability improvement and HV side support
(
Institute of Electrical and Electronics Engineers Inc.
, 2020 , Conference Paper)
As distribution networks continue in integrating Distributed Generation (DG) units, voltage stability problem becomes an important issue. On other hand, future distribution networks have the ability to support the transmission ...