Indices for assessing harmonic distortion from power quality measurements: definitions and benchmark data

1999 ◽  
Vol 14 (2) ◽  
pp. 489-496 ◽  
Author(s):  
D.D. Sabin ◽  
D.L. Brooks ◽  
A. Sundaram
Keyword(s):  
Power Quality ◽  
Harmonic Distortion ◽  
Benchmark Data ◽  
Quality Measurements

Harmonic Distortion Compensation in Voltage Transformers for Improved Power Quality Measurements

2019 ◽  
Vol 68 (10) ◽  
pp. 3823-3830 ◽  
Author(s):  
Marco Faifer ◽  
Christian Laurano ◽  
Roberto Ottoboni ◽  
Sergio Toscani ◽  
Michele Zanoni
Keyword(s):  
Power Quality ◽  
Harmonic Distortion ◽  
Distortion Compensation ◽  
Quality Measurements

Power quality measurements near DER and disturbing loads

2011 ◽  
pp. 124-129
Author(s):  
M. Van Lumig ◽  
S. Bhattacharyya ◽  
J.F.G. Cobben ◽  
W.L. Kling
Keyword(s):  
Power Quality ◽  
Quality Measurements

scholarly journals An Advanced Control Technique for Power Quality Improvement of Grid-Tied Multilevel Inverter

2021 ◽  
Vol 13 (2) ◽  
pp. 505
Author(s):  
Sumaya Jahan ◽  
Shuvra Prokash Biswas ◽  
Md. Kamal Hosain ◽  
Md. Rabiul Islam ◽  
Safa Haq ◽  
...  
Keyword(s):  
Power Quality ◽  
Harmonic Distortion ◽  
Multilevel Inverter ◽  
Control Technique ◽  
Solar Pv ◽  
Pv System ◽  
Reference Tracking ◽  
Proportional Integral ◽  
Lead Compensator ◽  
Power Quality Improvement

The use of different control techniques has become very popular for controlling the performance of grid-connected photovoltaic (PV) systems. Although the proportional-integral (PI) control technique is very popular, there are some difficulties such as less stability, slow dynamic response, low reference tracking capability, and lower output power quality in solar PV applications. In this paper, a robust, fast, and dynamic proportional-integral resonance controller with a harmonic and lead compensator (PIR + HC + LC) is proposed to control the current of a 15-level neutral-point-clamped (NPC) multilevel inverter. The proposed controlled is basically a proportional-integral resonance (PIR) controller with the feedback of a harmonic compensator and a lead compensator. The performance of the proposed controller is analyzed in a MATLAB/Simulink environment. The simulation result represents admirable performance in terms of stability, sudden load change response, fault handling capability, reference tracking capability, and total harmonic distortion (THD) than those of the existing controllers. The responses of the inverter and grid outlets under different conditions are also analyzed. The harmonic compensator decreases the lower order harmonics of grid voltage and current, and the lead compensator provides the phase lead. It is expected that the proposed controller is a dynamic aspirant in the grid-connected PV system.

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