Bidirectional single-loop current sensorless control applied to NPC multi-level converter considering conduction losses

Suzdalenko, Alexander; Zaķis, Jānis; Suskis, Pavels; Ribickis, Leonīds

doi:10.11591/ijpeds.v11.i4.pp1945-1957

Cited by 9 publications

(3 citation statements)

References 50 publications

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“…By filtering the various pulse width output forms, a sinusoidal waveform is developed using the SPWM technique [24]. The increased frequency of change and the variation in comparison or synthesized voltage time and phase can be used to obtain a better filtered sinusoidal output waveform [25]. Instead of maintaining that the various-PWM width is the same measurement, DFs and LOHs are significantly reduced in SPWM.…”

Section: Converter Dc-ac With Sinusoidal Pulse and Modulation 51 Puls...mentioning

confidence: 99%

Self-excited asynchronous generator with PV array in detained autonomous generation systems

Nagarajan

David

2023

IJPEDS

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<span lang="EN-US">It's important to examine and handle the issue of green energy generation in inaccessible locations. Nonrenewable hybrid power has environmental and economic impacts. Reliable electricity and energy efficiency are priorities. Renewable energy that is eco-friendly and doesn't affect the environment. Solar and wind power, two ecologically benign and load-sharing-capable forms of renewable energy, are included in this technique. At the same time, solar power will keep the load voltage balanced and the system stable thanks to the inclusion of a DC-DC converter. The asynchronous generator has been selected because of its low maintenance needs and extended service life; nevertheless, the voltage on the load side is unbalanced when this machine is in operation. An asynchronous generator can be a viable alternative to well-developed synchronous generators for use in wind turbines or small hydro generators because they have relatively inexpensive costs, are simple, require inadequate maintenance, possess adequate resistance to wear and tear, and have reduced overload damage. It is difficult to maintain a continuous supply of energy in faraway regions because of the lack of related work in the power distribution networks. This problem is addressed in this paper by a well-designed converter that maintains a constant output voltage.</span>

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Section: Converter Dc-ac With Sinusoidal Pulse and Modulation 51 Puls...mentioning

confidence: 99%

Self-excited asynchronous generator with PV array in detained autonomous generation systems

Nagarajan

David

2023

IJPEDS

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“…Power converters have special interest since it is estimated that 90% of the electrical energy is processed by these devices before end use [18] and additionally this interest has been increased thanks to the use of removable energy sources [19], [20], using power electronics for the efficient transformation and rational use of electricity from generation sources to industrial and commercial use. Power converters must provide a certain output voltage level, either in regulating or tracking tasks, and be able to accept load changes and variations in the primary supply voltage level.…”

Section: Issn: 2088-8694 mentioning

confidence: 99%

Robust control technique in power converter with linear induction motor

Toro

Gómez

Céspedes

2022

IJPEDS

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Induction motors are widely used in industrial applications as actuators, thanks to their simplicity of construction, which is subsequently reflected in low-cost maintenance. This paper shows the behavior of a three-phase power converter with a linear induction motor (LIM) as load, using a quasi-sliding control technique for output voltage regulation and a new control technique to control chaos. Digital pulse width modulation (DPWM) techniques are widely used to control electronic power converters. The controller proposed in this paper was designed using zero average dynamic (ZAD) and fixed point inducting control (FPIC) techniques. The ZAD-FPIC control strategy was designed and applied to a three-phase converter with linear induction motor load. Since it is not possible to measure the secondary currents, a secondary current observer was included in the system. Finally, bifurcation diagrams are shown as a technique for tuning controller parameters in ZAD-FPIC controllers. For the illustration of numerical results a simulation of the linear induction motor drive controlled was made by MATLAB/Simulink. The designs were tested in a rapid control prototyping (RCP) system based on digital signal processing (DSP) for dSPACE platform, using the 1103 controller card and control desk interface.

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“…In single-loop control approaches, only a single voltage control loop is used to stabilise the DC-bus voltage. This control method type has been approved in various single-phase power-factor correction topologies: boost-type [16][17][18], full-bridge [19], half-bridge [20], totem-pole [21], bridgeless [22], dual-boost [23], and five-level NPC MLC [24,25]. Recent research papers have described the mentioned control approach applied to three-phase converter topologies, such as the full-bridge three-wire converter [26][27][28][29], full-bridge fourwire converter [30], and four-switch full-bridge three-wire converter [31].…”

Section: Introductionmentioning

confidence: 99%

Modelling of Bidirectional Three-Phase Four-Wire Three-Level NPC MLC under Single-Loop Current Sensorless Control

Suzdalenko

Burenin²,

Zarembo³

et al. 2023

Energies

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Single-loop current sensorless control allows for abolishing of the instantaneous current measurement in the control system using only a single control loop with voltage feedback to stabilise the DC-bus voltage. This approach eliminates current sensors in the control circuit, benefiting from saving space on the printed circuit board and minimising power dissipation in the current measurement circuitry. This paper focuses on the single-loop current sensorless control applied to bidirectional three-phase four-wire three-level NPC MLC by simulation analysis and demonstrates the performance of the proposed current control algorithm in the rectifier and inverter modes and the step response with power direction change and grid-voltage change. In capacitor voltage balancing, an additional controller is applied, which is capable of compensating for the voltage asymmetry caused by adding a 2.5 kOhm resistor in parallel to one of the DC-bus capacitors. Our results demonstrate good performance of the proposed control method both in the inverter and rectifier modes, showing stable current shape in the low power and full power modes with acceptable harmonics content, meeting the requirements of the IEC 61000-3-2 standard for Class A devices. The analysis showed that the proposed control approach is suitable for industrial application.

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Bidirectional single-loop current sensorless control applied to NPC multi-level converter considering conduction losses

Cited by 9 publications

References 50 publications

Self-excited asynchronous generator with PV array in detained autonomous generation systems

Self-excited asynchronous generator with PV array in detained autonomous generation systems

Robust control technique in power converter with linear induction motor

Modelling of Bidirectional Three-Phase Four-Wire Three-Level NPC MLC under Single-Loop Current Sensorless Control

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