Pub Date : 2021-11-13DOI: 10.1109/peas53589.2021.9628735
Kun Zhang, Bin Gou
In power electronical traction transformer, the failure of the single-phase PWM rectifier will lead to irreparable degradation of the system. Thus, this article proposes a feasible data-driven method to diagnose both the current sensor faults and insulated gate bipolar transistors (IGBTs) open-circuit faults of single-phase PWM rectifier online. The principle of the method is to construct a signal predictor by combining nonlinear autoregressive exogenous (NARX) model and an advanced learning algorithm, Extreme Learning Machine (ELM). Then the faults are detected based on the residual between the signal output of the predictor and the sensor. Furthermore, the faults are identified by logical judgment based on the system fault performance. Several hardware-in-loop tests are implemented to verify the applicability and effectiveness of the proposed diagnosis method. Test results show that this method has a very fast speed to detect the faults within 1 ms and a high accuracy to classify different faults.
{"title":"A Data-Driven Method for Online Fault Diagnosis in Single-Phase PWM Rectifier","authors":"Kun Zhang, Bin Gou","doi":"10.1109/peas53589.2021.9628735","DOIUrl":"https://doi.org/10.1109/peas53589.2021.9628735","url":null,"abstract":"In power electronical traction transformer, the failure of the single-phase PWM rectifier will lead to irreparable degradation of the system. Thus, this article proposes a feasible data-driven method to diagnose both the current sensor faults and insulated gate bipolar transistors (IGBTs) open-circuit faults of single-phase PWM rectifier online. The principle of the method is to construct a signal predictor by combining nonlinear autoregressive exogenous (NARX) model and an advanced learning algorithm, Extreme Learning Machine (ELM). Then the faults are detected based on the residual between the signal output of the predictor and the sensor. Furthermore, the faults are identified by logical judgment based on the system fault performance. Several hardware-in-loop tests are implemented to verify the applicability and effectiveness of the proposed diagnosis method. Test results show that this method has a very fast speed to detect the faults within 1 ms and a high accuracy to classify different faults.","PeriodicalId":268264,"journal":{"name":"2021 IEEE 1st International Power Electronics and Application Symposium (PEAS)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-11-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131020697","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Conducted electromagnetic interference has been analyzed in many papers, and few papers deal with the problem of radiation electromagnetic interference. However, as the switching frequency increases, wide bandgap devices became popular, the radiation generated by the power converter electromagnetic interference becomes more and more serious, the product it is difficult to through the standard radiation electromagnetic interference, so it is necessary to establish general radiation EMI model, and measure the relevant noise and its analysis, and more intuitive to solve the problem of radiation EMI. Therefore, this paper develops a radiation model based on the flyback converter, and then studies the relationship between the radiated noise current and the radiated electric field on the basis of this model, and designs a current transformer to measure the noise and evaluate the radiation EMI characteristics of the converter. Finally, the theory and technology proposed in this paper are verified through experiments.
{"title":"Modeling and Measurement of Radiated EMI for Flyback Converter","authors":"Shaohui Xu, Qingbin Chen, Xujia Long, Wei Chen, Yaodong Chen, Mingjing He","doi":"10.1109/peas53589.2021.9628637","DOIUrl":"https://doi.org/10.1109/peas53589.2021.9628637","url":null,"abstract":"Conducted electromagnetic interference has been analyzed in many papers, and few papers deal with the problem of radiation electromagnetic interference. However, as the switching frequency increases, wide bandgap devices became popular, the radiation generated by the power converter electromagnetic interference becomes more and more serious, the product it is difficult to through the standard radiation electromagnetic interference, so it is necessary to establish general radiation EMI model, and measure the relevant noise and its analysis, and more intuitive to solve the problem of radiation EMI. Therefore, this paper develops a radiation model based on the flyback converter, and then studies the relationship between the radiated noise current and the radiated electric field on the basis of this model, and designs a current transformer to measure the noise and evaluate the radiation EMI characteristics of the converter. Finally, the theory and technology proposed in this paper are verified through experiments.","PeriodicalId":268264,"journal":{"name":"2021 IEEE 1st International Power Electronics and Application Symposium (PEAS)","volume":"18 12","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-11-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133267533","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-11-13DOI: 10.1109/peas53589.2021.9628479
Le Sun, Xiaoqiang Guo, Yong Han, Zhigang Lu, C. Hua
High power density and decoupled control of port power are important but generally difficult to be achieved at the same time for multi-port power electronic transformers (MP-PETs). This paper proposes a new MP-PET consisting of a common DC current bus, a grid-connected current-source converter (CSC) and several hybrid dual-active-bridges (H-DABs). The soft switching modulation method of the H-DABs is presented for different power flow directions, and the transmission power range is analyzed. The control methods of the different parts of the MP-PET are also proposed. The new MP-PET with the proposed control strategy requires fewer large capacitors and achieves flexible decoupling of the power control for each port. Simulation is carried out for the new MP-PET in an energy-storage system with multiple batteries. The simulation results verify the effectiveness of the proposed topology and its control method.
{"title":"A DC-Current-Bus-Coupled Multi-Port Power Electronic Transformer and Its Control Strategy","authors":"Le Sun, Xiaoqiang Guo, Yong Han, Zhigang Lu, C. Hua","doi":"10.1109/peas53589.2021.9628479","DOIUrl":"https://doi.org/10.1109/peas53589.2021.9628479","url":null,"abstract":"High power density and decoupled control of port power are important but generally difficult to be achieved at the same time for multi-port power electronic transformers (MP-PETs). This paper proposes a new MP-PET consisting of a common DC current bus, a grid-connected current-source converter (CSC) and several hybrid dual-active-bridges (H-DABs). The soft switching modulation method of the H-DABs is presented for different power flow directions, and the transmission power range is analyzed. The control methods of the different parts of the MP-PET are also proposed. The new MP-PET with the proposed control strategy requires fewer large capacitors and achieves flexible decoupling of the power control for each port. Simulation is carried out for the new MP-PET in an energy-storage system with multiple batteries. The simulation results verify the effectiveness of the proposed topology and its control method.","PeriodicalId":268264,"journal":{"name":"2021 IEEE 1st International Power Electronics and Application Symposium (PEAS)","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-11-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133422068","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-11-13DOI: 10.1109/peas53589.2021.9628809
Yupei Wang, Zhifeng Sun, Qunfang Wu, Qin Wang, Lan Xiao
This paper presents a sensorless input voltage sharing control (SIVS) method based on dual phase-shift (DPS) to achieve power balance of input-series output-parallel dualactive-bridge converters (ISOP DAB). First, the power balance mechanism of the ISOP DAB converters is analyzed and the relevant SIVS strategy is proposed. The proposed method uses a perturbation algorithm to estimate the parameters mismatch between modules. Once the parameters mismatches of the DAB modules are known, the phase shifts which achieve input voltage sharing among DAB cells are calculated. Owing to the SIVS control, the system needs no input voltage sensors, which can greatly simplify the system circuit and highly reduce the cost. Finally, simulation and experimental results show that the proposed method can effectively achieve the power balance of each DAB module.
{"title":"A Sensorless Input Voltage Sharing Control for ISOP DAB Converters","authors":"Yupei Wang, Zhifeng Sun, Qunfang Wu, Qin Wang, Lan Xiao","doi":"10.1109/peas53589.2021.9628809","DOIUrl":"https://doi.org/10.1109/peas53589.2021.9628809","url":null,"abstract":"This paper presents a sensorless input voltage sharing control (SIVS) method based on dual phase-shift (DPS) to achieve power balance of input-series output-parallel dualactive-bridge converters (ISOP DAB). First, the power balance mechanism of the ISOP DAB converters is analyzed and the relevant SIVS strategy is proposed. The proposed method uses a perturbation algorithm to estimate the parameters mismatch between modules. Once the parameters mismatches of the DAB modules are known, the phase shifts which achieve input voltage sharing among DAB cells are calculated. Owing to the SIVS control, the system needs no input voltage sensors, which can greatly simplify the system circuit and highly reduce the cost. Finally, simulation and experimental results show that the proposed method can effectively achieve the power balance of each DAB module.","PeriodicalId":268264,"journal":{"name":"2021 IEEE 1st International Power Electronics and Application Symposium (PEAS)","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-11-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134639357","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-11-13DOI: 10.1109/peas53589.2021.9628776
Xi Lu, Shuhao Yang, Saijun Mao
This paper investigates a hybrid modeling method for LCC resonate circuit. The hybrid model includes traditional mathematical model and machine learning error model. First, the traditional mathematical modeling method and equivalent circuit are presented. Second, a practical LCC circuit is simulated based on PLECS and real hardware parameter, and actually output data is obtained. Then, based on the comparison between real data and mathematical model output data, the error data is obtained. Third, machine learning algorithm is introduced to model this error data, and with a proper weight coefficient, a hybrid model for LCC circuit is obtained. Finally, comparison the hybrid model output under different working condition with simulation results can certify the effectiveness and advancement of this proposed method.
{"title":"Hybrid Modeling for LCC Circuit Based on Machine Learning","authors":"Xi Lu, Shuhao Yang, Saijun Mao","doi":"10.1109/peas53589.2021.9628776","DOIUrl":"https://doi.org/10.1109/peas53589.2021.9628776","url":null,"abstract":"This paper investigates a hybrid modeling method for LCC resonate circuit. The hybrid model includes traditional mathematical model and machine learning error model. First, the traditional mathematical modeling method and equivalent circuit are presented. Second, a practical LCC circuit is simulated based on PLECS and real hardware parameter, and actually output data is obtained. Then, based on the comparison between real data and mathematical model output data, the error data is obtained. Third, machine learning algorithm is introduced to model this error data, and with a proper weight coefficient, a hybrid model for LCC circuit is obtained. Finally, comparison the hybrid model output under different working condition with simulation results can certify the effectiveness and advancement of this proposed method.","PeriodicalId":268264,"journal":{"name":"2021 IEEE 1st International Power Electronics and Application Symposium (PEAS)","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-11-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131878784","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-11-13DOI: 10.1109/peas53589.2021.9628833
Ren-Chu Guan, Zhixing He, Zongjian Li, Ben Zhou, Yang Liu, Junjie Qin, YuanYuan Xiao, Ruxin Liang, Chengjun Duan
The series resonant converter (SRC) is one of the most popular galvanically isolated dc–dc converters since it provides zero voltage switching (ZVS), reduces rms currents, using transformer leakage inductance as the resonant inductance can further reduce the volume of the converter. However, in medium-voltage (MV) grid to low-voltage (LV) DC bus applications, in order to meet the transformer's high insulation strength and high power requirements, the parasitic capacitance is large, causing resonance voltage and current oscillations spikes. The equivalent circuit is established, the mathematical expression of the resonant voltage and current in the time domain is established, and the adverse effects in the transient process are analyzed. The influence of different parasitic capacitance and dead time on oscillation is analyzed and compared, and design reference is given. Theoretical calculations is experimentally verified for the SiC MOSFET-based prototype of a 2kV DC input, 800V output, 10kVDC insulation, 4kW power output, which operates at 200kHz, with an efficiency of 98.5%. Experimental comparison shows that the proposed method reduces the voltage and current oscillation disappeared spikes from 1.3 times the steady-state value.
{"title":"Impact Analysis of Parasitic Capacitance of High-Insulation High-Frequency Transformer on Series Resonant Converter and Optimal Design","authors":"Ren-Chu Guan, Zhixing He, Zongjian Li, Ben Zhou, Yang Liu, Junjie Qin, YuanYuan Xiao, Ruxin Liang, Chengjun Duan","doi":"10.1109/peas53589.2021.9628833","DOIUrl":"https://doi.org/10.1109/peas53589.2021.9628833","url":null,"abstract":"The series resonant converter (SRC) is one of the most popular galvanically isolated dc–dc converters since it provides zero voltage switching (ZVS), reduces rms currents, using transformer leakage inductance as the resonant inductance can further reduce the volume of the converter. However, in medium-voltage (MV) grid to low-voltage (LV) DC bus applications, in order to meet the transformer's high insulation strength and high power requirements, the parasitic capacitance is large, causing resonance voltage and current oscillations spikes. The equivalent circuit is established, the mathematical expression of the resonant voltage and current in the time domain is established, and the adverse effects in the transient process are analyzed. The influence of different parasitic capacitance and dead time on oscillation is analyzed and compared, and design reference is given. Theoretical calculations is experimentally verified for the SiC MOSFET-based prototype of a 2kV DC input, 800V output, 10kVDC insulation, 4kW power output, which operates at 200kHz, with an efficiency of 98.5%. Experimental comparison shows that the proposed method reduces the voltage and current oscillation disappeared spikes from 1.3 times the steady-state value.","PeriodicalId":268264,"journal":{"name":"2021 IEEE 1st International Power Electronics and Application Symposium (PEAS)","volume":"66 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-11-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127239511","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Space vector pulse-width modulation (SVPWM) provides a new method to improve the performance of the coupled ten-switch three-phase three-level inverter (TP-TLI). However, it suffers from high common-mode voltage (CMV) and unbalanced neutral-point voltage (NPV). To solve this problem, a CMVR_SVPWM with reduced CMV and controlled NPV is proposed in this paper. The CMV reduction is achieved by using suitable vectors with lower CMVs and sequences. The amplitude of CMV can be suppressed to 50% of the previous proposed strategies for the ten-switch TP-TLI. By enhancing the dwell time of the desired small vector in each region, the NPV can be balanced while maintain the almost same output quality. A 3-kVA experimental prototype is built up to verify the feasibility and performance of the proposed modulation and control strategies.
{"title":"Common-Mode Voltage and Neutral-Point Voltage Fluctuation Suppression in Ten-Switch Three-Phase Three-Level Inverter Using Space-Vector Modulation","authors":"Xiaojun Deng, Hongliang Wang, Xiaonan Zhu, Wenyuan Zhang, Hanzhe Wang, X. Yue","doi":"10.1109/peas53589.2021.9628510","DOIUrl":"https://doi.org/10.1109/peas53589.2021.9628510","url":null,"abstract":"Space vector pulse-width modulation (SVPWM) provides a new method to improve the performance of the coupled ten-switch three-phase three-level inverter (TP-TLI). However, it suffers from high common-mode voltage (CMV) and unbalanced neutral-point voltage (NPV). To solve this problem, a CMVR_SVPWM with reduced CMV and controlled NPV is proposed in this paper. The CMV reduction is achieved by using suitable vectors with lower CMVs and sequences. The amplitude of CMV can be suppressed to 50% of the previous proposed strategies for the ten-switch TP-TLI. By enhancing the dwell time of the desired small vector in each region, the NPV can be balanced while maintain the almost same output quality. A 3-kVA experimental prototype is built up to verify the feasibility and performance of the proposed modulation and control strategies.","PeriodicalId":268264,"journal":{"name":"2021 IEEE 1st International Power Electronics and Application Symposium (PEAS)","volume":"537 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-11-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133726027","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-11-13DOI: 10.1109/peas53589.2021.9628502
Junhua Zhang, Yizun Wang, Henglin Chen
The common-mode (CM) noise in LLC resonant converters is mainly caused by the high-frequency voltage change of power semiconductor devices in the primary and secondary circuits. Using transformer shielding foil is an important method to suppress the CM noise in LLC resonant converter. For mitigating CM noise effectively, the shielding foil structure of LLC transformer should be carefully designed. In this paper, the equipotential distribution and structural capacitance of LLC transformer windings were analyzed. Based on this, a method was proposed to calculate the optimal structure of shielding foil. This is realized through analyzing the relation between the width of shielding foil and CM current. The proposed method is validated by comparison of calculated and measured results.
{"title":"Design of Transformer Shielding Foil Structure for Minimizing Common-Mode Noise in LLC Resonant Converters","authors":"Junhua Zhang, Yizun Wang, Henglin Chen","doi":"10.1109/peas53589.2021.9628502","DOIUrl":"https://doi.org/10.1109/peas53589.2021.9628502","url":null,"abstract":"The common-mode (CM) noise in LLC resonant converters is mainly caused by the high-frequency voltage change of power semiconductor devices in the primary and secondary circuits. Using transformer shielding foil is an important method to suppress the CM noise in LLC resonant converter. For mitigating CM noise effectively, the shielding foil structure of LLC transformer should be carefully designed. In this paper, the equipotential distribution and structural capacitance of LLC transformer windings were analyzed. Based on this, a method was proposed to calculate the optimal structure of shielding foil. This is realized through analyzing the relation between the width of shielding foil and CM current. The proposed method is validated by comparison of calculated and measured results.","PeriodicalId":268264,"journal":{"name":"2021 IEEE 1st International Power Electronics and Application Symposium (PEAS)","volume":"80 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-11-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124115846","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-11-13DOI: 10.1109/peas53589.2021.9628426
Shanshan Zhao, Shenghui Cui, Jingxin Hu, Yu Chen
The modular multilevel DC-DC converter (MMDC) is a promising solution for the interconnection of MVDC distribution systems with LVDC ports. Due to the symmetric structure and operation scheme, the MMDC is normally only capable of operating with monopole MVDC distribution systems. This paper proposes a bipolar operation scheme of the MMDC. Based on the concept of the flux dc-bias cancellation, a center-tapped high-frequency interface transformer is employed on the MV side of the MMDC. A dedicated operation method is proposed, whereby the power flows of the two MVDC poles can be manipulated independently with a simple control scheme. Compared to the conventional MMDC with monopole operation, no additional component is required and no penalty of increased current rating is imposed on the semiconductor devices or the interface transformer. Moreover, a single-pole operation is also possible with the proposed operation scheme. If the valves of one pole are faulty, it can be isolated from the main converter for maintenance while the MMDC can continue operation without interruption and deliver at least 50% of the rated power capacity. Hence, the reliability and availability of the power delivery can be significantly enhanced. The validity of the proposed bipolar operation scheme of the MMDC has been verified by both simulations and experiments with a down-scale prototype.
{"title":"Bipolar Operation Scheme of Modular Multilevel DC-DC Converter (MMDC) for Resilient MVDC Distribution Systems","authors":"Shanshan Zhao, Shenghui Cui, Jingxin Hu, Yu Chen","doi":"10.1109/peas53589.2021.9628426","DOIUrl":"https://doi.org/10.1109/peas53589.2021.9628426","url":null,"abstract":"The modular multilevel DC-DC converter (MMDC) is a promising solution for the interconnection of MVDC distribution systems with LVDC ports. Due to the symmetric structure and operation scheme, the MMDC is normally only capable of operating with monopole MVDC distribution systems. This paper proposes a bipolar operation scheme of the MMDC. Based on the concept of the flux dc-bias cancellation, a center-tapped high-frequency interface transformer is employed on the MV side of the MMDC. A dedicated operation method is proposed, whereby the power flows of the two MVDC poles can be manipulated independently with a simple control scheme. Compared to the conventional MMDC with monopole operation, no additional component is required and no penalty of increased current rating is imposed on the semiconductor devices or the interface transformer. Moreover, a single-pole operation is also possible with the proposed operation scheme. If the valves of one pole are faulty, it can be isolated from the main converter for maintenance while the MMDC can continue operation without interruption and deliver at least 50% of the rated power capacity. Hence, the reliability and availability of the power delivery can be significantly enhanced. The validity of the proposed bipolar operation scheme of the MMDC has been verified by both simulations and experiments with a down-scale prototype.","PeriodicalId":268264,"journal":{"name":"2021 IEEE 1st International Power Electronics and Application Symposium (PEAS)","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-11-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116869415","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-11-13DOI: 10.1109/peas53589.2021.9628550
Yuan Li, Fengjun Wu, Xiaojun Wang, Yulian Tan, Yuhang Li, Jiqiang Li, D. Gao, Hongbin Yan, W. Shen, Jingtao Pu
High Intensity heavy ion Accelerator Facility (HIAF) aims to provide heavy ion beams with the highest pulse beam intensity in the world, and BRing (Booster Ring) is its main accelerator. Therefore, the HIAF-BRing dipole magnet pulse power supply needs to output fast, high-precision large current and wide range of high voltage. Not only that, the power supply also needs to meet the requirement of long-term stable operation. These requirements mean that the structure and reliability design of power supply are very important. In order to meet these requirements, project team proposes a variable-voltage fast-cycling energy storage pulse power supply and develops a prototype. This paper focuses on the structure and reliability design of power supply. In terms of structure and reliability design, the characteristics of power supply are fully considered and combined. Especially for the H-bridge IGBT, use the FLOTHERM software to perform thermal simulation according to the actual working conditions to obtain important data and optimize the design. The experiment of working principle verified the working principle of power supply, and the feasibility of the structure and reliability design was verified through the 72-hour reliability experiment.
{"title":"Structure and Reliability Design and Experiment of HIAF-BRing Dipole Magnet Pulse Power Supply","authors":"Yuan Li, Fengjun Wu, Xiaojun Wang, Yulian Tan, Yuhang Li, Jiqiang Li, D. Gao, Hongbin Yan, W. Shen, Jingtao Pu","doi":"10.1109/peas53589.2021.9628550","DOIUrl":"https://doi.org/10.1109/peas53589.2021.9628550","url":null,"abstract":"High Intensity heavy ion Accelerator Facility (HIAF) aims to provide heavy ion beams with the highest pulse beam intensity in the world, and BRing (Booster Ring) is its main accelerator. Therefore, the HIAF-BRing dipole magnet pulse power supply needs to output fast, high-precision large current and wide range of high voltage. Not only that, the power supply also needs to meet the requirement of long-term stable operation. These requirements mean that the structure and reliability design of power supply are very important. In order to meet these requirements, project team proposes a variable-voltage fast-cycling energy storage pulse power supply and develops a prototype. This paper focuses on the structure and reliability design of power supply. In terms of structure and reliability design, the characteristics of power supply are fully considered and combined. Especially for the H-bridge IGBT, use the FLOTHERM software to perform thermal simulation according to the actual working conditions to obtain important data and optimize the design. The experiment of working principle verified the working principle of power supply, and the feasibility of the structure and reliability design was verified through the 72-hour reliability experiment.","PeriodicalId":268264,"journal":{"name":"2021 IEEE 1st International Power Electronics and Application Symposium (PEAS)","volume":"605 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-11-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116379089","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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