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A Low Computing FCS-MPC Based on Voltage Vector Tracking Algorithm With CMVs Suppression and Capacitor Charging Balance Algorithm …
Active neutral-point clamped three-phase five-level (3P-5L) converter system under conventional FCS-MPC algorithm is subjected to high computational burden, large common mode voltages (CMVs), unfixed switching frequency, and cumbersome weight factor design. To tackle above defects, in this article, a low computing FCS-MPC based on voltage …
Dynamic voltage balancing algorithm for modular multilevel converter with three-level flying capacitor …
The modular multilevel converter (MMC) has several three-level flying capacitor (3L-FC) submodules in cascade. To balance the submodule capacitors voltage, this paper describes a dynamic voltage balancing algorithm based on the carrier phase shifted pulse width modulation (CPS-PWM) scheme. The submodules are controlled …
An SVM Algorithm to Balance the Capacitor Voltages of the …
In this paper, balancing of the capacitor voltages for these two dc-link voltage source possibilities is analyzed and an algorithm is proposed to independently balance the capacitor voltages. The algorithm considers the average energy effect of each vector on capacitor voltage and the necessary optimal vector state sequence in each modulation …
A Simplified Virtual Vector PWM Algorithm to Balance the Capacitor ...
The voltage balancing problem of dc-link capacitors in multilevel diode-clamped converters limits their applications in industry under some operational conditions. Virtual vector PWM (VVPWM) can attain the capacitor voltage balancing under all operational conditions but it increases the complexity and computation burden by increasing the number of triangular …
Modified capacitor voltage balancing sorting algorithm for …
Conventional capacitor voltage balancing algorithm suffers from insufficient grouping and sorting techniques. Therefore, it might result in excessive computation and high switching frequency of power electronic devices. To address the problem, a modified capacitor ...
An Improved Submodule Capacitor Voltage Measuring Algorithm …
In the proposed algorithm, by keeping the operation states of submodules unchanged during the continuous control period, the probability of obtaining the actual capacitor voltage is increased, and ...
A SVPWM algorithm based on four-switch three-phase inverter
In a four-switch three-phase inverter-powered permanent magnet synchronous motor system, the capacitor voltage fluctuates due to the unequal capacitance and the charging and discharging of the bus capacitor. As such, the accuracy of motor vector control becomes significantly affected and even causes the shutdown of …
(PDF) An Improved Submodule Capacitor Voltage Measuring Algorithm …
The nearest level modulation (NLM) based submodule capacitor voltage measuring technology for a modular multilevel converter (MMC) with reduced sensors can effectively reduce ...
A Capacitor Voltage Sorting Algorithm for Modular Multilevel …
This paper presents a new voltage sorting algorithm for suppressing submodule''s (SM) capacitor voltage fluctuations and minimizing voltage difference in …
DC‐link capacitor voltage control for single‐phase shunt active …
Performances of each DC-link capacitor voltage control algorithm for inductive and capacitive loads are shown in Figs. 8 and 9, respectively. All self-charging algorithms regulate the DC-link capacitor voltage well, but their percentages of accuracy are different. Among them, the proposed algorithm produces 100% accuracy of the …
A capacitor voltage self-balancing method of modular multilevel …
This study presents a submodule capacitor voltage self-balancing method for modular multilevel converters (MMCs) based on switching state matrix construction, …
Modified capacitor voltage balancing sorting algorithm for …
3Proposed capacitor voltage balancing sorting algorithm This section introduced a new capacitor voltage balancing sorting algorithm to reduce time complexity and switching frequency of power electronic devices. In Section 3.1, we proposed a low time complexity capacitor voltage balancing sorting method. In Section
Selection-based capacitor voltage balancing control for modular …
The modular multilevel converter (MMC) has been widely used in HVDCs, due to its highly modular design, low total harmonic distortion (THD) of the output …
An Optimal Control Algorithm of Capacitor Voltage Balancing for …
Voltage-balancing is the prerequisite of Modular multilevel Converter (MMC) in normal Operation. In this paper, a sub-module capacitor voltage equalization algorithm is proposed. Compared with traditional sub-module voltage sorting algorithm, this scheme ensures the balance of sub-module capacitor voltage and has a strong dynamic …
A SVPWM algorithm based on four-switch three-phase inverter for PMSM under the imbalance of bus capacitor voltage
In a four-switch three-phase inverter-powered permanent magnet synchronous motor system, the capacitor voltage fluctuates due to the unequal capacitance and the charging and discharging of the bus capacitor. As such, the accuracy of motor vector control becomes significantly affected and even causes the shutdown of …
An Efficient Sorting Algorithm for Capacitor Voltage Balance of …
Thisarticle presents an efficient analogue sorting algorithm for balancing the submodule (SM) capacitor voltages of modular multilevel converter (MMC). The proposed analogue …
An Efficient Sorting Algorithm for Capacitor Voltage Balance of …
Simulation components have been given in Table 4. According to Eq. (10) and simulation parameters, the capacitance value should be greater than 1758 μF, so the capacitor is chosen to be 2200 μF ...
A Capacitor Voltage Balance Control Algorithm for Modular …
A Capacitor Voltage Balance Control Algorithm for Modular Multilevel Converter Suitable to Field Programmable Gate Array @article{Fe2015ACV, title={A Capacitor Voltage Balance Control Algorithm for Modular Multilevel Converter Suitable to Field Programmable Gate Array}, author={Chang Fe}, journal={Power system technology}, year={2015}, url ...
DC‐link capacitor voltage control for single‐phase …
Performances of each DC-link capacitor voltage control algorithm for inductive and capacitive loads are shown in Figs. 8 and 9, respectively. All self-charging algorithms regulate the DC-link capacitor …
A fast selection algorithm based on binary numbers for capacitor voltage balance in modular multilevel converter
Considering the capacitor voltage balance (CVB) in modular multilevel converter (MMC), classical complete sorting algorithms, especially used in MMC with a large number of submodules (SMs), usually result in too much computational load and resource consumption. A fast selection algorithm based on binary numbers is proposed to achieve …
Fast-Processing Capacitor Voltage Balancing Algorithm for Single …
To address the problem, a modified capacitor voltage balancing sorting algorithm is proposed in this paper. The proposed algorithm could avoid sorting all the …
Modified capacitor voltage balancing sorting algorithm for …
algorithm Capacitor voltage balancing sorting algorithm makes use of the effect of arm current on capacitor voltages to keep capacitor voltages balanced. That is, when arm current is positive (i.e. arm current will charge the inserted capacitor), insert SMs with As ...
Capacitor Voltage Balancing Algorithm with Redundant Level …
A new five-level multilevel converter topology with a reduced device count has been brought up for medium-voltage inverter applications. However, as an inherent issue of this simplified topology, the voltage balancing of flying capacitors is challenging. Conventional approach utilizing redundant switching states cannot achieve the balancing …
Modified capacitor voltage balancing sorting algorithm for …
A modified capacitor voltage balancing sorting algorithm is proposed that is able to balance the module voltage with lower computation and reduce the switching frequency of power devices significantly, without noticeably increasing the capacitor voltage ripples. The modular multilevel converter (MMC) with large-scale sub-modules …
Modified capacitor voltage balancing sorting algorithm for …
TL;DR: A modified capacitor voltage balancing sorting algorithm is proposed that is able to balance the module voltage with lower computation and …
Modified capacitor voltage balancing sorting algorithm for modular …
algorithm Capacitor voltage balancing sorting algorithm makes use of the effect of arm current on capacitor voltages to keep capacitor voltages balanced. That is, when arm current is positive (i.e. arm current will charge the inserted capacitor), insert SMs with As ...
On-line Monitoring System and Double Regression Algorithm of Capacitor Voltage …
On-line Monitoring System and Double Regression Algorithm of Capacitor Voltage Transformer Abstract: Ensuring safe and reliable operation of voltage transformers is of great significance. Temperature, humidity and other ambient factors may affects the ...
(PDF) A Capacitor Voltage Sorting Algorithm for …
The real time implementation of the proposed sorting algorithm with the SM capacitor voltage balancing strategy is implemented on Altera/Cylone - I (EP1C12Q240C8N) FPGA. A five-level …
Capacitor Voltage Balancing Algorithm with Redundant Level …
Wang, J., Wei, C., Zhou, W., & Yuan, X. (2021). Capacitor Voltage Balancing Algorithm with Redundant Level Modulation for a Five Level Converter with Reduced Device Count 2020 IEEE 9th International Power Electronics and Motion Control Conference, IPEMC 2020 ECCE Asia (pp. 1758-1764).(pp. 1758-1764).
DC‐link capacitor voltage control for single‐phase shunt active power filter with step size error cancellation in self‐charging algorithm ...
Biosurface and Biotribology CAAI Transactions on Intelligence Technology Chinese Journal of Electronics (2021-2022) Cognitive Computation and Systems Digital Twins and Applications Electrical Materials and …
Enhanced Voltage Sorting Algorithm for Balancing the Capacitor Voltage …
In this paper, an enhanced voltage sorting algorithm is proposed for balancing each sub module capacitor voltage in modular multilevel converter (MMC). However, the submodule (SM) voltage strategy becomes more complex when it increases to a number of levels, which eventually increases voltage ripples and circulating current. …
Voltage Balancing of a New Five-Level Multilevel Inverter with a …
The advanced multilevel inverters are designed with floating capacitors to increase their output voltage levels. For a reliable operation, these inverters require an efficient voltage balancing algorithm to control the voltage of floating capacitors at rated values. Typically, the balancing algorithm uses redundancy states and is implemented with the …
A Capacitor Voltage Balancing Strategy Based on Improved …
The balance of sub-module capacitor voltage is the necessary guarantee for the normal operation of modular multilevel converter (MMC). With the nearest level …
Modified capacitor voltage balancing sorting algorithm for modular ...
Conventional capacitor voltage balancing algorithm suffers from insufficient grouping and sorting techniques. Therefore, it might result in excessive computation and high switching frequency of power electronic devices. To address the problem, a modified capacitor voltage balancing sorting algorithm is proposed in this …
Modified capacitor voltage balancing sorting algorithm for modular multilevel converter
Capacitor voltage balancing sorting algorithm makes use of the effect of arm current on capacitor voltages to keep capacitor voltages balanced. That is, when arm current is positive (i.e. arm current will charge the inserted capacitor), insert SMs with relative low capacitor voltages.
Modified capacitor voltage balancing sorting algorithm for …
Capacitor voltage balancing sorting algorithm makes use of the effect of arm current on capacitor voltages to keep capacitor voltages balanced. That is, when arm current is positive (i.e. arm current will charge the inserted capacitor), insert SMs with relative low capacitor voltages.
A Generalized Voltage Balancing Algorithm for Modular Multilevel ...
The use of an inter-cell voltage balancing scheme to evenly distribute the total dc-link voltage among the multiple floating capacitors is crucial in modular multilevel cascaded converters (MMCs). This paper presents an intuitively simple and computationally efficient sorting-based modulation algorithm for capacitor voltage balancing applicable …
An ADALINE based capacitor voltage estimation algorithm for …
This paper presents a novel capacitor voltage estimation using the adaptive linear neuron (ADALINE) algorithm for monitoring of MMC sub-module voltages. The proposed ...
Capacitor Voltage Balancing Algorithm with Redundant Level …
Capacitor Voltage Balancing Algorithm with Redundant Level Modulation for a Five Level Converter with Reduced Device Count November 2020 DOI: 10.1109/IPEMC-ECCEAsia48364.2020.9367875