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Control performance of Active damp LCL filter of Three phase PWM Boost rectifier



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This paper presents three methods of a Three phase PWM Boost rectifier connected to the grid via a Single stage L filter, an undamp LCL filter and an Active damp LCL filter. The first method is the simplest method uses the biggest size of Single stage L filter. Although this method is straightforward, it increases the System size and weight and contains High frequency current components. The second method uses an LCL filter instead of an L filter for size and Weight reduction. While size and weight can be reduced, it causes a stability problem around the Resonance frequency. The last method solves all these problems by an improved control algorithm to maintain System stability. The Active damp LCL filter is that it can reduce a current ripple of the system to conform to the standard. Moreover, it has a faster response than the conventional Single state inductor filter. This paper presents Mathematical models and implementation of the filter circuit for Performance comparison. The results from a case study with 10kW load indicate that the Active damping LCL filter has nearly the same performances as Single stage L filter but it has Small size of Filter inductors, no High frequency of the current and fastest Dynamic response.

Performance comparison (65 items found) | Mathematical models (1865 items found) | Filter inductors (4 items found) | Dynamic response (94 items found) | System stability (235 items found) | Weight reduction (268 items found) | Boost rectifier (2 items found) | High frequency (72 items found) | Active damping (2 items found) | Single state (1 items found) | Single stage (33 items found) | Active damp (1 items found) | System size (4 items found) | Three phase (26 items found) | Small size (22 items found) | LCL filter (3 items found) | Resonance (183 items found) | Passive damp3 phase boost rectifier | Digital signal processors | Control system stability | Digital signal processor | Information technology | High-frequency current | Resonance frequencies | phase boost rectifier | Control performance | Electric rectifiers | Control algorithms | Signal processing | Filter circuits | Current ripples | Nanotechnology | Speed control | LCL filters | A-stability | Algorithms | L-filter | DSP |

ต้นฉบับข้อมูล : scopus