A Multi-level Active Power Filter for Common-Mode Voltage Attenuation in Multi-level Inverters

2021 ◽  
Author(s):  
Dongwoo Han ◽  
Fang Z. Peng ◽  
Suman Dwari
Keyword(s):  
Active Power Filter ◽  
Active Power ◽  
Common Mode ◽  
Power Filter ◽  
Common Mode Voltage ◽  
Multi Level ◽  
Voltage Attenuation

scholarly journals Asymmetrical four-wire cascaded h-bridge multi-level inverter based shunt active power filter supplied by a photovoltaic source

2021 ◽  
Vol 12 (3) ◽  
pp. 1673
Author(s):  
Kamel Saleh ◽  
Omar Mahmoud
Keyword(s):  
Reactive Power ◽  
Dimensional Space ◽  
Active Power Filter ◽  
Power Converter ◽  
Open Circuit ◽  
Active Power ◽  
Nonlinear Load ◽  
Shunt Active Power Filter ◽  
Power Filter ◽  
Multi Level

<span>This paper presents a novel shunt active power filter (SAPF). The power converter that is used in this SAPF is constructed from a four-leg asymmetric multi-level cascaded H-bridge (CHB) inverter that is fed from a photovoltaic source. A three-dimensional space vector modulation (3D-SVPWM) technique is adopted in this work. The multi-level inverter can generate 27-level output with harmonic content is almost zero. In addition to the capability to inject reactive power and mitigating the harmonics, the proposed SAPF has also, the ability to inject real power as it is fed from a PV source. Moreover, it has a fault-tolerant capability that makes the SAPF maintaining its operation under a loss of one leg of the multi-level inverter due to an open-circuit fault without any degradation in the performance. The proposed SAPF is designed and simulated in MATLAB SIMULINK using a single nonlinear load and the results have shown a significant reduction in total harmonics distortion (THD) of the source current under the normal operating condition and post a failure in one phase of the SAPF. Also, similar results are obtained when IEEE 15 bus network is used.</span>

scholarly journals FUZZY BASED CASCADED MULTILEVEL SHUNT ACTIVE POWER FILTER FOR POWER LINE CONDITIONERS

2014 ◽  
pp. 285-289
Author(s):  
B. SOUJANYA YADAV ◽  
L. RAMADEVI ◽  
DR. P. S. R. MURTHY
Keyword(s):  
Active Power Filter ◽  
Power Line ◽  
Active Power ◽  
Voltage Source ◽  
Power Calculation ◽  
Voltage Source Inverter ◽  
Shunt Active Power Filter ◽  
Real Power ◽  
Power Filter ◽  
Multi Level

In this paper shunt active power filter is used to improve the power quality at distribution system. Due to nonlinear loads, current harmonics, unbalanced voltages and current and reactive power problems will be created in the network. The Instantaneous real power theory (IRPT) provides the real power calculation with PI controller will not provide accurate result and good performance under both steady state and transient state. Compensating above problems by using fuzzy based on Cascaded multi-level voltage source inverter. The inverter switching signals are generated based on the triangular sampling current controller provides power line conditioning. The Paper deals with three phase, five level cascaded multi level voltage source inverter based shunt active filter with PI and Fuzzy controller by using MATLAB/Simulink.

Fuzzy logic-based multi-level shunt active power filter for harmonic reduction

2020 ◽  
Vol 39 (1) ◽  
pp. 95
Author(s):  
Krishnan Ramakrishnan ◽  
Sundaram Elango ◽  
Venugopal Manikandan ◽  
R. Subramanian
Keyword(s):  
Fuzzy Logic ◽  
Active Power Filter ◽  
Active Power ◽  
Shunt Active Power Filter ◽  
Power Filter ◽  
Harmonic Reduction ◽  
Multi Level

Study of Cascade Seven-Level Parallel Active Filter

2012 ◽  
Vol 433-440 ◽  
pp. 6038-6042
Author(s):  
Li Ping Shi ◽  
Zheng Da Wang ◽  
Ya Jing Hu
Keyword(s):  
High Voltage ◽  
High Power ◽  
Active Power Filter ◽  
Active Power ◽  
Active Filter ◽  
Harmonic Current ◽  
Power Filter ◽  
Multi Level ◽  
Simulation Results

Multi-level inverter can output high voltage directly and can be connected without transformer, so it is applied more and more widely in high power situation. This paper presents a cascade H bridge seven-level parallel active power filter. This paper analyzes the principle of cascade H bridge multi-level inverter, designs a cascade H bridge seven-level SAPF based on CPS-SPWM, and the principle and the effect are simulated. The simulation results show that this system can compensate load harmonic current.

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