A Systematic Power-Quality Assessment and Harmonic Filter Design Methodology for Variable-Frequency Drive Application in Marine Vessels

2015 ◽  
Vol 51 (2) ◽  
pp. 1909-1919 ◽  
Author(s):  
Spyridon V. Giannoutsos ◽  
Stefanos N. Manias
Keyword(s):  
Quality Assessment ◽  
Power Quality ◽  
Design Methodology ◽  
Filter Design ◽  
Variable Frequency ◽  
Variable Frequency Drive ◽  
Harmonic Filter ◽  
Marine Vessels

ELECTRIC POWER QUALITY IN ELECTRIC POWER SYSTEMS OF BOILER STATIONS AND HEATING SUBSTATIONS USING PUMPS OPERATED BY VARIABLE-FREQUENCY DRIVE

2017 ◽  
Vol 7 (1) ◽  
pp. 138-144
Author(s):  
Ivan I. ARTYUKHOV ◽  
Svetlana V. MOLOT
Keyword(s):  
Power Systems ◽  
Electric Power ◽  
Power Quality ◽  
Energy Savings ◽  
Quality Parameters ◽  
Electric Power System ◽  
Variable Frequency ◽  
Variable Frequency Drive ◽  
Electric Power Quality ◽  
Negative Impacts

Power electronics devices are widespread in diff erent engineering systems for housing and public utilities. But they have negative impacts on the power source. A typical example is using of the pumps, operated by variable frequency drive, in boiler stations and heating substations. The using helps both the energy savings and the electric power quality declination. If boiler station is supplied by emergency generator the electric power quality declination signifi cantly increases. Electric power quality parameters are analyzed using a simulation model, built in MATLAB/Simulink, in diff erent situations. The recommendations to ensure the specifi ed electric power quality in the electric power system are created.

Review of NILM applications in smart grids: power quality assessment and assisted independent living

2020 ◽  
Author(s):  
Patricio G. Donato ◽  
Alvaro Hernandez ◽  
Marcos A. Funes ◽  
Ignacio Carugati ◽  
Ruben Nieto ◽  
...  
Keyword(s):  
Quality Assessment ◽  
Power Quality ◽  
Smart Grids ◽  
Independent Living

scholarly journals Robust H∞ Loop Shaping Controller Synthesis for SISO Systems by Complex Modular Functions

2021 ◽  
Vol 26 (1) ◽  
pp. 21
Author(s):  
Ahmad Taher Azar ◽  
Fernando E. Serrano ◽  
Nashwa Ahmad Kamal
Keyword(s):  
Design Methodology ◽  
Closed Loop ◽  
Complex Analysis ◽  
Controller Design ◽  
Filter Design ◽  
Design Procedure ◽  
Elliptic Functions ◽  
Loop System ◽  
Closed Loop System ◽  
Loop Shaping

In this paper, a loop shaping controller design methodology for single input and a single output (SISO) system is proposed. The theoretical background for this approach is based on complex elliptic functions which allow a flexible design of a SISO controller considering that elliptic functions have a double periodicity. The gain and phase margins of the closed-loop system can be selected appropriately with this new loop shaping design procedure. The loop shaping design methodology consists of implementing suitable filters to obtain a desired frequency response of the closed-loop system by selecting appropriate poles and zeros by the Abel theorem that are fundamental in the theory of the elliptic functions. The elliptic function properties are implemented to facilitate the loop shaping controller design along with their fundamental background and contributions from the complex analysis that are very useful in the automatic control field. Finally, apart from the filter design, a PID controller loop shaping synthesis is proposed implementing a similar design procedure as the first part of this study.

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