A novel hysteresis control method for current-controlled voltage-source PWM inverters with constant modulation frequency

Malesani, L.; Tenti, P.

doi:10.1109/28.52678

Cited by 299 publications

(99 citation statements)

References 7 publications

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“…However, the fast convergence rate and accuracy of hysteresis control is still present with this system. This technique is very similar to the one described in [49].…”

Section: Current Actuationsupporting

confidence: 56%

Robust Adaptive Control

Kosut¹

1989

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In this thesis, a robust adaptive control scheme is proposed in order to drive an induction motor with high performance, even in the presence of unknown machine electrical parameters. Magnetic saturation within an induction motor results in nonlinear, changing flux dynamics. Also, rotor resistance changes with temperature as the machine is heated due to normal use, resulting in more parametric uncertainty. The proposed control scheme will cause the motor to track a desired reference model behavior, even in the presence of these unknown parameters. An adaptive control scheme known as L 1 adaptive control is used to ensure that this reference model behavior is realistic, so that robustness may be maintained even with very fast adaptation. This controller is limited by the flux observer used to provide information about flux magnitude and direction.ii

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“…However, the fast convergence rate and accuracy of hysteresis control is still present with this system. This technique is very similar to the one described in [49].…”

Section: Current Actuationsupporting

confidence: 56%

Robust Adaptive Control

Kosut¹

1989

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“…By substituting (18) and (19) into (7), the crossover frequencies of the current and the voltage control loops are obtained as 1 kHz and 800 Hz, respectively. If the current control loop dynamics are considered, the crossover frequency of the voltage loop can be slightly reduced.…”

Section: Numerical Analysis Of the Output Impedancementioning

confidence: 99%

A Performance Comparison of the Current Feedback Schemes with a New Single Current Sensor Technique for Single-Phase Full-Bridge Inverters

Choe¹,

Lee²,

Cho³

et al. 2016

Journal of Power Electronics

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In this paper, a single current sensor technique (SCST) is proposed for single-phase full-bridge inverters. The proposed SCST measures the currents of multiple branches at the same time, and reconstructs the average inductor, capacitor, and load current in a single switching cycle. Since all of the branches' current in the LC filter and the load are obtained using the SCST, both the inductor and the capacitor current feedback schemes can be selectively applied while taking advantages of each other. This paper also analyzes both of the current feedback schemes from the view point of the closed-loop output impedance. The proposed SCST and the analysis in this paper are verified through experiments on a 3kVA single-phase uninterruptible power supply (UPS).

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“…Moreover, PLL synchronization ensures constant frequency operation of the inverter switches. [21] C. Sliding Mode Controller The sliding mode control has characteristics such as fastness, robustness and stability for large load variations. The references for the sliding mode control system are obtained by using the instantaneous reactive power theory [11].…”

Section: B Hysteresis Current Controllermentioning

confidence: 99%

Review of Control Strategies for Active Power Filters

Nirmale¹,

Mahaddalkar²

2017

International Journal of Innovative Research in Electrical, Ele

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In present days electricity has become non-separable from human life. Every sphere of human life is dependent on some or other equipment/machine in households, hospitals, industry etc. The consumers have different load patterns such as non-linear loads, switching etc. Such utility pattern results in harmonic generation and reactive power disturbances in the distribution system. The harmonics and reactive power cause a number of undesirable effects such as malfunction in sensitive equipment, over voltage by resonance, increased heat in conductor, harmonic voltage drop across the network impedance and thereby affects other customer loads connected at Point of Common Coupling (PCC). These undesirable effects are overcome to a great extent by deploying Active Power Filters (APF) at PCC. The power quality of a Distribution System can be improved by eliminating harmonics and disturbances due to reactive power. This is achieved by injecting required amount of compensating current to cancel out the harmonics and power disturbances and restore sinusoidal nature of voltage and current waveforms. This improves the power quality and helps protect the sensitive loads from malfunction thereby preventing damage. This paper presents a comprehensive review of Active Power filter configurations, their control strategies and the performance evaluation metrics such as Total Harmonic Distortion (THD) for different control strategies.

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A novel hysteresis control method for current-controlled voltage-source PWM inverters with constant modulation frequency

Cited by 299 publications

References 7 publications

Robust Adaptive Control

Robust Adaptive Control

A Performance Comparison of the Current Feedback Schemes with a New Single Current Sensor Technique for Single-Phase Full-Bridge Inverters

Review of Control Strategies for Active Power Filters

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