Relevant bibliographies by topics / 12-pulse rectifier

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  2. Dissertations / Theses
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Academic literature on the topic '12-pulse rectifier'

Author: Grafiati
Published: 4 June 2021
Last updated: 13 February 2022

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Journal articles on the topic "12-pulse rectifier"

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Abdollahi, Rohollah. "Pulse doubling in zigzag–connected autotransformer–based 12–pulse ac–dc converter for power quality improvement." Journal of Electrical Engineering 63, no. 6 (December 1, 2012): 357–64. http://dx.doi.org/10.2478/v10187-012-0053-3.

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This paper presents a pulse doubling technique in a 12-pulse ac-dc converter which supplies direct torque controlled motor drives (DTCIMDs) in order to have better power quality conditions at the point of common coupling. The proposed technique increases the number of rectification pulses without significant changes in the installations and yields in harmonic reduction in both ac and dc sides. The 12-pulse rectified output voltage is accomplished via two paralleled six-pulse acdc converters each of them consisting of three-phase diode bridge rectifiers. An autotransformer is designed to supply the rectifiers. The design procedure of magnetics is in a way such that makes it suitable for retrofit applications where a six-pulse diode bridge rectifier is being utilized. Independent operation of paralleled diode-bridge rectifiers, i.e. dc-ripple re-injection methodology, requires a Zero Sequence Blocking Transformer (ZSBT). Finally, a tapped interphase reactor is connected at the output of ZSBT to double the pulse numbers of output voltage up to 24 pulses. The aforementioned structure improves power quality criteria at ac mains and makes them consistent with the IEEE-519 standard requirements for varying loads. Furthermore, near unity power factor is obtained for a wide range of DTCIMD operation. A comparison is made between 6-pulse, 12-pulse, and proposed converters from view point of power quality indices. Results show that input current total harmonic distortion (THD) is less than 5% for the proposed topology at various loads.
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Setlak, Lucjan, and Rafał Kowalik. "Examination of Multi-Pulse Rectifiers of PES Systems Used on Airplanes Compliant with the Concept of Electrified Aircraft." Applied Sciences 9, no. 8 (April 12, 2019): 1520. http://dx.doi.org/10.3390/app9081520.

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This article focuses on power electronic multi-pulse 12-, 24- and 36-impulse rectifiers based on multi-winding rectifier transformers. The effectiveness of voltage processing with different variants of supply voltage sources is discussed and arguments are formulated for limiting oneself to 24-pulse processing, which is used in the latest technological solutions of modern aviation technology. The main purpose of this article is to conduct a study (analysis, mathematical models, simulations) of selected multi-pulse rectifiers in the context of testing their properties in relation to the impact on the electrified power supply network. The secondary objective of the article is to assess the possibility of using Matlab/Simulink to analyze the work of rectifier circuits implemented in aircraft networks compliant with the more/all electric aircraft (MEA/AEA) concept. The simulation tests included designing a typical auto-transformer rectifier unit (ATRU) system in the Simulink program and generating output voltage waveforms in this program in the absence of damage to the rectifier elements. In the final part of this work, based on a critical analysis of the literature on the subject of the study, simulations were made of exemplary rectifiers in the Matlab/Simulink programming environment along with their brief analysis. Practical conclusions resulting from the implementation of the MEA/AEA concept in modern aviation were formulated.
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Lou, Bei, Xi Peng Guo, Jun Xin, Gen Yong Chen, Jin Feng Yang, and Xiao Yi Chen. "Simulation Analysis of Zhengzhou Metro Power Supply System Rectifier Unit." Advanced Materials Research 732-733 (August 2013): 707–11. http://dx.doi.org/10.4028/www.scientific.net/amr.732-733.707.

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Developing the Zhengzhou rail transit as a new transportation plays an important role in easing traffic congestion and promoting the economic development. The principle, connection mode and harmonic generation mechanism of the rectifier unit of Zhengzhou rail transit is analysed in theoretical. 12-pulse and 24-pulse rectifier unit model is simulated in MATLAB/Simulink environment. The simulation result shows that the 24-pulse rectifier unit can reduce the harmonic current injected to the power system greatly, and abate the effects on the utility grid compared with the 12-pulse rectifier unit. The 24-pulse rectifier can smoothen the output voltage, reduce the harmonic content and improve the quality of DC power supply. So it can obviously reduce the adverse effects on public power grid.
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Sun, Yu Tian, Yong Sun, Xue Long Du, Hong Yuan, Cheng Qi, and Zhi Zhen Liu. "The Comparison and Analysis on Harmonic Suppression of EV Charging Station." Applied Mechanics and Materials 325-326 (June 2013): 503–7. http://dx.doi.org/10.4028/www.scientific.net/amm.325-326.503.

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In order to propose reasonable method of harmonic suppression for EV charging station, three methods that are 6-pulse rectifier with APF, 12-pulse rectifier, PWM rectifiers are analyzed and compared. Firstly,the corresponding simulation model of charger and charging station are built based on the principle of EV charger and the main method of harmonic suppression. Then the harmonic content and power factor for different simulation model are researched. Meanwhile, the advantages and disadvantages of different simulation model are studied according to the results of simulation, the use of performance and economy. At last, the improvement measure and development direction for three methods are proposed.
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Izadinia, Ali Reza, and Hamid Reza Karshenas. "Current Shaping in a Hybrid 12-Pulse Rectifier Using a Vienna Rectifier." IEEE Transactions on Power Electronics 33, no. 2 (February 2018): 1135–42. http://dx.doi.org/10.1109/tpel.2017.2685459.

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Iwaszkiewicz and Mysiak. "Supply System for Three-Level Inverters Using Multi-Pulse Rectifiers with Coupled Reactors." Energies 12, no. 17 (September 2, 2019): 3385. http://dx.doi.org/10.3390/en12173385.

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The paper presents a proposal of the multi-pulse AC/DC converter for providing supply for multilevel inverters and considerably reducing the line current distortion factor. It can be applied as a suitable source of DC voltage and is convenient to supply such inverters that need three or more voltage terminals to supply all sections of the inverter. The converter in question works as a multi-pulse rectifier supplying a three-level NPC (Neutral Point Clamped) inverter. The load introduced by the inverter is simulated as an impedance depended on a selected inverter state. All possible states are determined by using a set of three digits: 0, 1, 2. The sourcing converter is constructed from diode bridge rectifiers connected in parallel as well as the system of magnetically coupled reactors. The reactors are used to shift subsequent line voltages so that they create a multiphase voltage system supplying component rectifiers. The article presents two alternative rectifiers: A 12-pulse diode rectifier using one magnetically coupled reactor unit 3CRλ, and a 24-pulse one using three 3CRλ units. Simulation and experimental tests have been executed and selected results included. Conclusion and discussion are added.
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Wang, Jingfang, Xuliang Yao, Xu Gao, and Shiyan Yang. "Harmonic Reduction for 12-Pulse Rectifier Using Two Auxiliary Single-Phase Full-Wave Rectifiers." IEEE Transactions on Power Electronics 35, no. 12 (December 2020): 12617–22. http://dx.doi.org/10.1109/tpel.2020.2992592.

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Li, Yang, and Yong Jun Yu. "Harmonic Calculation of 12-Pulse Rectifier and Determination of Filter Capacity." Advanced Materials Research 588-589 (November 2012): 834–38. http://dx.doi.org/10.4028/www.scientific.net/amr.588-589.834.

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In order to enable engineers to assess the impact of harmonic currents produced by the 12-pulse rectifier unit on the grid. In this paper, through experimental and theoretical reasoning, I discusses in detail the harmonic calculation parameters required of rectifier unit and calculate the filter capacity which reached the filtering standards for single-tuned filter capacitor. Through this method, we can make a good assessment of the harmonics generated by the project and propose effective control measures for the harmonic excess in the beginning of the project construction.
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Kwon, B. H., and E. H. Song. "Design of current source using 12-pulse phase-controlled rectifier." IEE Proceedings B Electric Power Applications 138, no. 4 (1991): 185. http://dx.doi.org/10.1049/ip-b.1991.0023.

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Yang, Lv, Jun Hong Zhang, and Tie Jun Wang. "A Circular Phase Shifting Transformer for Multi-Pulse Rectifier." Applied Mechanics and Materials 741 (March 2015): 611–15. http://dx.doi.org/10.4028/www.scientific.net/amm.741.611.

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This paper designed a 3/12 phase circular phase shifting transformer applied to multi-pulse rectifier. The transformer is built by using rotating magnetic field principle, and the ferromagnetic structure is similar to an induction motor. Compared with the general column iron core phase shifting transformer, the circular phase shifting transformer has the advantages of compact structure, more symmetric magnetic circuit, and the design of primary and secondary winding is more simple. This paper established the mathematical model of the circular shifting transformer, the voltage equations are derived. Then analysis the inhibitory effect of harmonic wave in 24 pulse rectifier. Verify the feasibility of the circular phase shifting transformer through the experiment, when the circular phase shifting transformer is applied to multi-pulse rectifier, it is effective to suppress the harmonic wave of the Power grid.
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Dissertations / Theses on the topic "12-pulse rectifier"

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Costa, Neto Antônio de Oliveira. "Análise e Desenvolvimento de um Retificador Trifásico de 12 Pulsos com Autotransformador e Conversores SEPIC Isolados." Universidade Federal de Uberlândia, 2018. http://dx.doi.org/10.14393/ufu.di.2018.179.

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CAPES - Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
Com o constante aumento de componentes eletrônicos inseridos nas diversas áreas da eletrônica na atualidade, torna-se evidente a preocupação de elevados distúrbios harmônicos de corrente na qualidade da energia. Este trabalho tem a finalidade de abordar uma das alternativas para reduzir esse problema, desenvolvendo um retificador de 12 pulsos com dois conversores CC-CC SEPIC de 500 W em cada retificador, com isolação galvânica, operando em condução contínua e com elevado fator de potência e baixa distorção harmônica na corrente de entrada do retificador. A utilização do autotransformador contribui na diminuição do peso e volume da estrutura, sendo a isolação feita no estágio intermediário de alta frequência. A conexão entre a carga e o retificador de múltiplos pulsos convencionalmente é feita a partir da utilização de transformadores especiais de interfase. Entretanto, eles possuem um projeto complexo e, ainda peso e volume consideráveis. Por isso, esses transformadores especiais são substituídos por conversores estáticos, os quais garantem o equilíbrio entre cada grupo retificador e conseguem regular a tensão de saída. Essa estrutura pode ser utilizada em diversas aplicações dentre elas, no acionamento de máquinas elétricas, em carregadores de bateria e dentro de aeronaves, exercendo funções antes comandadas por mecanismos hidráulicos, pneumáticos e mecânicos, aumentando a confiabilidade do processo. Este trabalho aborda detalhadamente o desenvolvimento de duas estratégias de controle, com o objetivo de equilibrar o processamento de potência entre cada módulo e regular a tensão de saída. Foram obtidos os resultados computacionais, e experimentais através da construção de um protótipo.
With the constant increase of electronic components inserted in the diverse areas of electronics at the present time, it becomes evident a concern of harmonic disturbances of current in the quality of the energy. This work has the purpose of addressing one of the alternatives to reduce this problem, developed a 12-pulse rectifier with two DC-DC SEPIC converters of 500 W in each rectifier, with galvanic isolation, operating in continuous conduction and with high power factor and low harmonic distortion in the rectifier input current. The use of the autotransformer contributes to the reduction of the weight and volume of the structure, being an insulation made on the intermediate stage of high frequency. The connection between a load and the multi-pulse rectifier is conventionally made from the use of special interface transformers. They include a complex design and still have considerable weight and volume. Therefore, these special transformers are replaced by the static converters, which guarantee the balance between each rectifier group and obtain regular output voltage. This structure can be used in a variety of applications, such as driving electric machines, battery chargers and aircraft, performing functions previously controlled by hydraulic, pneumatic and mechanical mechanisms, increasing the reliability of the process. This work presents in detail the development of two control strategies, with the objective of balancing the power processing between each module and regulating the output voltage. The computational and experimental results were obtained through the construction of a prototype.
Dissertação (Mestrado)
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Pelicer, Junior João Carlos. "Emprego de topologia boost semicontrolada para mitigação do conteúdo harmônico de corrente em conversores de 12 pulsos /." Ilha Solteira, 2019. http://hdl.handle.net/11449/180812.

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Orientador: Falcondes José Mendes de Seixas
Resumo: Os conversores multipulsos têm sido muito utilizados para a melhoria da qualidade de energia elétrica em sistemas de retificação trifásicos. O principal motivo para tal afirmação é a robustez apresentada por esses conversores, aliada às características intrínsecas da estrutura, que resulta no cancelamento natural de certas componentes de corrente na rede, devido ao defasamento angular provocado pela ação do transformador ou autotransformador utilizado. O que se propõe nesse trabalho é a substituição de cada ponte retificadora a diodos, presente no conversor de 12 pulsos, por uma topologia retificadora trifásica semicontrolada, baseada no conversor boost operando no modo de condução descontínuo (MCD), de modo que, seja possível reduzir de maneira significativa a DHTi (Distorção Harmônica Total de corrente), bem como, incorporar os volumosos transformadores de interfase (IPTs) aos indutores boost de alta frequência, resultando na redução de peso e volume. Foram confeccionadas duas versões do conversor de 12 pulsos com retificadores semicontrolados, uma utilizando transformador isolador e a outra um autotransformador. O que se verificou para ambas as configurações é que a estrutura apresenta um reduzido conteúdo harmônico de corrente se comparado ao conversor tradicional e que, ao se operar no modo de condução descontínuo, faz-se possível o emprego de uma lógica de controle simples, possibilitando assim empregar somente uma malha de tensão, e reduzir significativamente a DHTi do... (Resumo completo, clicar acesso eletrônico abaixo)
Abstract: Multipulse converters have been widely employed for electrical power quality improvement in three-phase rectifiers systems. The main reason for this statement is the robustness shown by these structures, allied to their natural characteristics, resulting in harmonic canceling at the mains, due to the phase displacement provided by the transformer/autotransformer. In this work, it is proposed the replacement of each rectifier bridge, present in the 12-pulse converter, by a three-phase half-controlled rectifier topology, based on DCM (Discontinuous Conduction Mode) boost converter, thus making it possible to significative reduce the THDi (Total Harmonic Distortion) of the current injected on the mains by the structure. It also incorporates the voluminous IPT's (Interphase Transformer) in the boost high-frequency inductor, resulting in a reduction of weight and size. Two versions of the 12-pulse converter with semicontrolled rectifiers were made, one using an isolating transformer and other using an autotransformer. It was verified that both configurations present a reduced THDi when compared to the traditional converter. So, by electing DCM, it is possible to employ a simpler control logic, employing only one voltage loop and significantly reducing the THDi.
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TSAI, CHIA-HUNG, and 蔡佳宏. "Design of Auxiliary Converter for 12-pulse Diode Rectifiers." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/82673998591040399940.

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碩士
中華大學
電機工程學系
105
In adjustable speed motor drive systems, the diode rectifiers are utilized to converter the AC utility into DC bus voltage. A variety of diode rectifiers were presented in the previous study such as: single phase diode rectifiers, three phase 6-pulse diode rectifiers, and three phase 12-pulse diode rectifiers. Among various diode rectifier schemes, three phase 12-pulse diode rectifiers have advantages such as: simplicity, high reliability, and low DC bus voltage ripple; however, they also result in some disadvantages including harmonic current and the lack of regeneration capability. Therefore, this study proposes an auxiliary converter (AXC) for 12-pulse diode rectifiers to mitigate the harmonic current and provide re-generation capability. The 12-pulse diode rectifiers system consists of a Δ-Δ-Y (turns ratio: 1: 1: 0.577) isolation transformer (Tr I), rectifier I, rectifier II, and equivalent motor load (RL). The AXC and 12-pulse diode rectifiers are connected on the DC side through diode (Df) and AC side through isolation transformers (Tr I and Tr II). The AXC system operates as a shunt active filter to mitigate the harmonic current drawn by the 12-pulse diode rectifiers when the motor drive consumes powers. The AXC operates as an active front-end (AFE) converter to re-generate the braking energy from DC side back to the utility when the motor brakes. The proposed auxiliary converter operates as a shunt active filter to mitigate the harmonic currents drawn by the 12-pulse diode rectifiers and operates as an active front-end converter to provide the re-generation capability for the 12-pulse diode rectifiers. Therefore, the proposed auxiliary converter for 12-pulse diode rectifiers exhibits high performances compared with conventional schemes.
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Murali, Pandarinath. "Dynamic modeling of six-pulse rectifier for short-circuit current characterization." Thesis, 2011. http://hdl.handle.net/2152/ETD-UT-2011-12-4401.

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Existing models describing the dynamic behavior of a six-pulse rectifier during a short-circuit fault condition are derived from switch models using time-domain average value parametric functions. Unlike these models, novel non-parametric dynamic models have been developed using analytical average-value modeling approach in this work. In this modeling approach, depending upon the number of switches conducting during a switching cycle, the operating point of the rectifier is brought into one of three modes of operation of a six-pulse rectifier. The model for each mode is represented by a differential equation. During output current calculation for the rectifier the operating model is selected based on firing angle and overlap angle functions derived in this paper. They completely characterize the dynamic behavior of current flowing through the dc inductor for a wide range of operating conditions with the exception of harmonics and asymmetrical currents which are dominant for faults occurring at the terminals of the rectifier upstream of the smoothing inductor. The results from the average value model and few other simple models have been applied for Thevenin ac source and synchronous generator supplied rectifier models to determine the characteristics of short circuit current from the rectifier.
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Book chapters on the topic "12-pulse rectifier"

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Ge, Yaming, and Jun Li. "Design of Trigger Circuit for Series SCR 12-Pulse Phase-Controlled Rectifier." In Lecture Notes in Electrical Engineering, 1847–55. New York, NY: Springer New York, 2013. http://dx.doi.org/10.1007/978-1-4614-4981-2_202.

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Taha, Mohamad. "12-Pulse Active Rectifier for More Electric Aircraft Applications." In Flight Physics - Models, Techniques and Technologies. InTech, 2018. http://dx.doi.org/10.5772/intechopen.70882.

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Conference papers on the topic "12-pulse rectifier"

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Lan, Hai, Junhu Gao, Jie Meng, Ting Lin, and Jun Li. "The Research on Fuzzy Control of 12-Pulse Rectifier." In 2012 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC). IEEE, 2012. http://dx.doi.org/10.1109/appeec.2012.6307582.

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Poleshchuk, A., and M. Vilberger. "12-Pulse Rectifier for Traction Substations of Electric Transport." In International Conference "Actual Issues of Mechanical Engineering" 2017 (AIME 2017). Paris, France: Atlantis Press, 2017. http://dx.doi.org/10.2991/aime-17.2017.99.

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Anandpara, Milan, Tejas Panchal, and Vinod Patel. "An active interphase transformer for 12-pulse rectifier system to get the performance like 24-pulse rectifier system." In 2014 Eighteenth National Power Systems Conference (NPSC). IEEE, 2014. http://dx.doi.org/10.1109/npsc.2014.7103802.

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Biela, J., D. Hassler, J. Schonberger, and J. W. Kolar. "Closed loop input current control of a hybrid 12-pulse rectifier." In 2008 IEEE Power Electronics Specialists Conference - PESC 2008. IEEE, 2008. http://dx.doi.org/10.1109/pesc.2008.4592136.

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Schenk, Kurt, and Andrzej Pietkiewicz. "Novel low harmonic rectifier using 12-pulse inductive current splitter/merger." In 2013 IEEE Applied Power Electronics Conference and Exposition - APEC 2013. IEEE, 2013. http://dx.doi.org/10.1109/apec.2013.6520340.

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Sikora, Andrzej, and Barbara Kulesz. "Effectiveness of different designs of 12- and 24-pulse rectifier transformers." In 2008 International Conference on Electrical Machines (ICEM). IEEE, 2008. http://dx.doi.org/10.1109/icelmach.2008.4799851.

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Meng, Fangang, Zhongcheng Man, and Lei Gao. "A 12-pulse Rectifier Based on Power Electronic Phase-shifting Transformer." In 2018 IEEE International Power Electronics and Application Conference and Exposition (PEAC). IEEE, 2018. http://dx.doi.org/10.1109/peac.2018.8590501.

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Nishida, Y. "A 12-pulse diode rectifier using 3-phase bridge 6-pulse diode rectifier with 2 additional diodes and an auto-transformer." In Proceedings of the IEEE 1999 International Conference on Power Electronics and Drive Systems. PEDS'99 (Cat. No.99TH8475). IEEE, 1999. http://dx.doi.org/10.1109/peds.1999.794539.

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Yin, Qiang, Jiang-Hua Gan, Yue Yu, Ze-Cheng Xiong, Hao Pang, and Qi-Liang Zhao. "Research on 12-pulse phase controlled rectifier for nuclear power generating stations." In 2018 IEEE 3rd Advanced Information Technology, Electronic and Automation Control Conference (IAEAC). IEEE, 2018. http://dx.doi.org/10.1109/iaeac.2018.8577647.

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Saravana Prakash, P., R. Kalpana, B. Mohankrishna, and Bhim Singh. "Harmonic Mitigation in 12-Pulse Bridge Rectifier Using DC Current Imposition Technique." In 2020 IEEE International Conference on Power Electronics, Smart Grid and Renewable Energy (PESGRE). IEEE, 2020. http://dx.doi.org/10.1109/pesgre45664.2020.9070283.

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