Control schemes for grid-side converters
Parameter estimation of an LCL filter for control of grid converters
... This paper proposes a method to identify the discrete-time transfer-function parameters and the corresponding physical parameters of an LCL filter from a controller point of view. The physical parameters were obtained by ...
9
Advanced repetitive control of grid converters for power quality improvement
... repetitive control of grid connected converters, an advanced unified fractional-period repetitive control technology is ...repetitive control working under variable frequency reference ...
138
Grid impedance estimation for islanding detection and adaptive control of converters
... Closed-form grid inductance and resistance estimation models have been derived from the discrete grid connected converter modelled in the dq reference ...in grid impedance although its accuracy is ...
15
ENVIRONMENTAL ASPECTS OF GRID CONNECTED POWER ELECTRONIC CONVERTERS CONTROL
... electronic converters control as an important factor in environmental ...the control system, namely harmonics elimination and Fault Ride-Through are addressed ...converter control can ...
10
Synchronous power control of grid-connected power converters under asymmetrical grid fault
... Abstract: Control of grid-connected power converters is continuously developing to meet the grid codes, according to which the generation units should keep connected to the grid and ...
21
Investigation of Control Concepts for High-Speed Induction Machine Drives and Grid Side Pulse-Width Modulation Voltage Source Converters
... distributed control strategy for the PWM active front end ...flux-oriented control of induction machines especially concerning the parameter tuning of current PI controllers make it possible that the ...
174
Control and stabilization of grid-connected converters operating as constant power load in a smart transformer grid scenario
... and control technology provides improved performance of the electrical appliances, making them robust to changes in the supply voltage or ...electronic converters behave as constant power loads (CPLs), ...
8
Wind generator-energy storage control schemes for autonomous grid
... also control the local grid voltage and ...power-voltage control is not the main challenge here since, for example, the DFIGs’ grid side converters can also be used to support ...
237
Control of Grid-Tied Converters for Integration of Renewable Energy Sources into the Weak Grids
... used grid synchronization technique for grid-connected converters whereas under weak grid condition, the coupling between PLL and grid impedance can result in converter instability and ...
6
The control of power electronic converters for grid code compliance in wind energy generation systems
... DFIG Control by Temporary Increase of Rotor Speed Two advanced control schemes proposed in [21] help enhance the LVRT capability of a DFIG based wind ...One control scheme is proposed for the ...
65
Open-switch Fault-tolerant Control of Power Converters in a Grid-connected Photovoltaic System
... the grid- connected photovoltaic system can still operate in nominal conditions even after open-switch fault is occurred in both power converters, due to the proposed fault-tolerant ...
15
Offshore grid control of voltage source converters for integrating offshore wind power plants
... source converters (VSC) are gaining preference over line commutated converters ...to control the fundamental signal magnitude and to reduce the harmonic in the output ...
248
Remote power control injection of grid-connected power converters based on virtual flux
... to control the active and reactive power at the Point of Common Connection (PCC) with the grid, in order to comply with the requirements of the Transmission System Operators ...a control algorithm ...
23
Voltage Synchronisation Techniques for Grid-Connected Power Converters
... Keywords: Grid Voltage Synchronisation, Phase Lock Loop, Power ...for grid-connected power converters has been known to fail to correctly estimate the instantaneous phase angle of the grid ...
7
Predictive frequency based sequence estimator for control of grid tied converters under highly distorted conditions
... e-mail: [email protected] Abstract—This paper proposes a novel frequency-based predic- tive sequence estimator that allows for the isolation of voltages and currents harmonic components needed for the ...
12
Predictive frequency based sequence estimator for control of grid tied converters under highly distorted conditions
... e-mail: [email protected] Abstract—This paper proposes a novel frequency-based pre- dictive sequence extractor that allows to isolate the harmonic components of both voltages and currents needed for the ...
8
Enhance Grid Current Of Three-Terminal Hybrid Micro-Grid With CHB VSC Converters
... (CHB) converters based AC grid interface and two dual active bridge (DAB) converters based DC sub-grid interface that connects two isolated DC ...DAB converters fed CHB ...
6
Real time parameter estimation for power quality control and intelligent protection of grid connected power electronic converters
... impedance in real-time using signals obtained from grid- connected power electronic converters. The proposed impedance estimation has potential applications in renewable/distributed energy systems, STATCOM, ...
7
Predictive Power Control of Grid and Rotor Side converters in Doubly Fed Induction Generators Based Wind Turbine
... new control scheme for grid and rotor side for doubly fed induction generator (DFIG) using model based predictive ...The control strategy minimizes quality functions, which represent the ...
7
A communication method for remote control of grid-tied converters
... smart grid communication ...smart grid concept into low-density areas as well with the use of cellular networks using as a communication ...power grid applications where it requires a continuous ...
145