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Editorial board

Counselor:

CHEN BoshiMA Xiaoliang

Director:

LIU Guolin

Academic Director:

XU Dianguo

Members:

WANG YouyunWANG YueLIU GuolinLIU GuohaiHUA WeiLI YongdongYANG MingYANG BinWANG LeiZHANG XingZHANG HeshengZHANG ChenghuiJI PengGAO QiangXIE LunCAI XuTAN Guojun

Founded in 1959, electric drive is in charge of Tianjin Electric Research Institute Co., Ltd. (formerly Tianjin electric drive design and Research Institute), sponsored by Tianjin Electric Research Institute Co., Ltd. and China automation society. It is an authoritative core journal in the field of electric drive automation in China, and the statistical source journal of Chinese scientific and Technological Papers (Chinese scientific and technological core journal) RCCSE, a Chinese core journal, was selected as one of the journals. It is a dual effect Journal of China's journal matrix, an excellent journal of Tianjin, and a first-class Journal of Tianjin. It is publicly distributed at home and abroad.

With the purpose of "reporting the advanced technology and product trends in the field of electric drive automation at home and abroad, publishing scientific research achievements and summarizing practical experience, promoting scientific and technological exchanges, communicating industry and product information and cultivating talents", it has been published by the database of Japan Science and Technology Promotion Agency (JST), the database of Chinese Core Journals (selection), VIP, Wanfang Super star and other well-known databases at home and abroad have been included in Peking University's "overview of key items of Chinese Core Journals" for 8 consecutive times, which has a wide impact on relevant industries at home and abroad.

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Research on Characteristic Test and Classification of DC Resistance Home Appliances
Issue 01, 2023 download preview

WANG Yifeng，ZHANG Mingzhi，CHEN Bo，CHEN Mengying，CHEN Chen，XIE Wenqiang

Abstract: In order to provide a theoretical basis for the research of universal adapters in DC power distributionsystems，it is particularly important to fully understand the characteristics of DC household loads. A large number ofexperiments and tests were carried out on DC resistive home appliances among common DC home appliances. Byg...更多
Research on Switching Performance and Efficiency Optimization of SiC MOSFET in Bidirectional Wireless Charging Applications
Issue 01, 2023 download preview

LING Chunyang，LIU Fang，LI Hao，ZHAO Yang

Abstract: SiC MOSFET devices have the characteristics of high switching frequency，low loss，and hightemperature resistance，which can significantly improve the power density and efficiency when used in wirelesscharging. However，in the control of the wireless charging converter，hard turn-on and hard turn-off are easy to occur，which will g...更多
Research on Optimal Design of High-frequency-density Power Electronics PCB
Issue 01, 2023 download preview

CHEN Zhixiu，LIU Yang，ZHANG Hanshu，XIAYe，WANG Hao，LIU Xin

Abstract: In the period of high and new technology development，the application of SiC and other newsemiconductors promotes the development of PCB design toward integration and high efficiency. The new ideas were provided for PCB design optimization from two aspects of high frequency and high density. Among them，therequirement of stray ...更多
Review on Research Progress of PMSM Temperature Field
Issue 01, 2023 download preview

JIN Yongchun，CHEN Li，ZOU Yusheng，DUAN Chengwu，YAO Jian

Abstract: Due to the advantages of high efficiency，wide speed range，high torque density and great controlperformance，permanent magnet synchronous motors（PMSM）have been widely used in driving systems of electric vehicles（EVs）. However，as the increase of power density，the problem of temperature rise caused by loss heating has become one ...更多
Adaptive Selection of Maximum Output Power Under Optimal Matching of Wireless Charging
Issue 01, 2023 download preview

LIU Hong，XU Shihao，YANG Lingsheng

Abstract: The frequency division phenomenon of the wireless power transfer（WPT）circuit in the electricvehicle wireless charging system under the premise of the optimal load resistance was discussed．In the optimizedWPT circuit，by changing the value of the coupling coefficient（k） between the master and slave coils in thecharging system，t...更多
Research on Inverse Time Over-current Protection Based on Solid State Power Controller
Issue 01, 2023 download preview

CHEN Qun，ZHOU Jiemin，HONG Feng，ZHENG Gang，XI Zhiyang

Abstract: The solid-state power controller，which integrates the functions of traditional power distributiondevices such as circuit breakers and relays，is the core component of the all-electric aerospace vehicle powerdistribution system.Among them，the inverse time overcurrent protection technology is one of the key technologies of solid...更多
Multi-regional Unit Commitment Model with Wind Power Based on Conditional Value at Risk
Issue 01, 2023 download preview

YIN Yongliang，WU Qiong，ZHANG Jianping，ZHANG Heng，CHENG Haozhong，ZHANG Xiaohu

Abstract: With the increasing scale of wind power installation and grid connection，the interconnection ofpower grids through tie lines can absorb wind power in a wider range，but the uncertainty of wind power output leads to an increase in the risk of system operation. Conditional value-at-risk（CVaR）was introduced in multi-regional unit...更多
Expected Fault Combination Screening Method for Smart Distribution Network Based on μPMU
Issue 01, 2023 download preview

FU Yang，SIMA Chao，TIAN Shuxin，CAI Pengcheng，GU Jiping，LIU Shu

Abstract: Expected fault screening of smart distribution network is an important basis for system security situation assessment. In order to comprehensively and accurately perceive the security risk of smart distributionnetwork，a micro-synchronous phasor measurement unit（μPMU）with real-time，synchronicity，accuracy andcomprehensiveness o...更多
Optimal Dispatch of Community Integrated Energy System Considering Comprehensive Demand Response
Issue 01, 2023 download preview

LIU Ronghui，MA Tiantian ，SUN Gaiping

Abstract：The potential dispatchable resources of electric power，heat，cool and gas in the integrated energysystem（IES）are important contributors to reduce the operating cost of IES. In order to guarantee the customersatisfaction while reducing operating cost of IES，a IES day-ahead optimal dispatch model considering an integrated satisfa...更多
A Multi-energy Storage Operation Method of DC Microgrid Based on Improved Power Droop Control
Issue 01, 2023 download preview

WANG Chao，CAO Wei，ZHANG Xuhang，QIU Chunfeng，CHEN Wei，LI Yun

Abstract：Based on the low-speed communication network，a multi-energy storage operation method of DCmicrogrid with improved power droop control was proposed so as to realize the balanced control in three aspects：state of charge（SOC）balance，rational power distribution among energy storage units and stable bus voltage.Firstly，considering ...更多

Design and Simulation of Helicopter Aviation Electromagnetic Transmitting Coil
Issue 22, 2022 download preview

LIU Weijie，ZHANG Yiming，CUI Longfei，ZHANG Dong，WANG Xuhong

Abstract: The transmitting coil in the aviation electromagnetic transmitting system was took as the researchobject，considered the influence of the parameters of the transmitting coil on the peak value of the transmitting current，used finite element software，the coil model was established. The skin effect and proximity effect caused by ...更多
Dynamic Characterization Study on Series Short-circuit of SiC MOSFET and Si IGBT
Issue 21, 2022 download preview

ZHANG Tian，SONG Mingxuan，FENG Yuan，HE Fengyou

Abstract: Aiming at the series short-circuit phenomenon caused by device breakdown and control failure，based on the half-bridge structure，the different series short-circuit dynamic sharing voltage characteristics of SiCMOSFET and Si IGBT were analyzed. At the same time，the principle of series short-circuit voltage sharing wasanalyzed c...更多
Vector Control of Stand-alone Doubly-fed Wind Power Generation System Under Unbalanced Loads
Issue 20, 2022 download preview

ZHANG Fangyuan，JING Yun，WANG Dan

Abstract: A vector control method based on the modified super-twisting observer and non-singular terminalsliding mode was proposed for stand-alone doubly-fed wind power generation systems under unbalanced loads. The fundamental frequency and double frequency components of the rotor current were observed by the modified supertwisting ob...更多
Adaptive Cooperative Control Based on Improved VSM for Traction Power Supply System of Urban Rail Traffic
Issue 17, 2022 download preview

YANG Chengshun，LIU Guofu，DAI Yuchen，ZHANG Dongdong，HUANG Xiaoning

Abstract: An adaptive cooperative control strategy based on improved virtual synchronous machine（VSM）technology was used to improve the traction power supply system of urban rail transit. Firstly，the improved VSMwas used as an one-time control to make the urban rail trains have the external characteristics of synchronousmachine and cer...更多
SOC Estimation of Battery Based on DFFRLS and Neural Network-ASRUKF Algorithm
Issue 17, 2022 download preview

GU Zhongfan，CHENYuwei，LI Cheng′ao，ZHANG Dechun，HUANG Hai

Abstract: The 3.5 V/20 A•h lithium iron phosphate battery was taken as the research object.Aiming at the onlineestimation of its state of charge（SOC），the second-order Thevenin equivalent RC circuit model was established，and a joint SOC estimation algorithm was proposed by combining BP neural network，dynamic forgetting factor recursive ...更多
Design and Application of Fault Diagnosis Strategy for Circuit Breaker Based on Segmented FFT
Issue 15, 2022 download preview

CHAI Bin，SHI Lei，LIU Zhiyuan，XU Hui

Abstract: The circuit breaker of AC filter in converter station is an important part of HVDC system. Theoccurrence of internal faults will directly affect the stable operation of HVDC system. In view of the fault diagnosisof the circuit breaker for filter，an efficient online monitoring method was proposed to diagnose the health status ...更多
Analysis of the Influence of High-order Electromagnetic Force Waves on the Vibration Characteristics of IPMSM for Electric Vehicles
Issue 13, 2022 download preview

HE Wendan, LI Xiaohua, ZHAO Rongjian, FENG Anhui

Abstract: The main vibration of interior permanent magnet synchronous motor（IPMSM）with integer slot multipole pair for electric vehicles is the vibration at 0-order and 2p-order natural frequencies, which are generally believed to be caused by the spatial electromagnetic force waves of 0-order and 2p-order. In order to study the contri...更多
Start-up Control Method of PMSM Air-conditioner Compressor
Issue 10, 2022 download preview

XIANG Baicheng，LI Sheng，XU Zheng，LI Guangming

Abstract: Regarding the problem of instability in the start-up process of permanent magnet synchronous motor（PMSM）air-conditioner compressor caused by different operating conditions，and combined with the characteristics of shaft error speed closed-loop control，a set of three-stage start-up application program pertinent to rotor positio...更多
Short-term Load Forecast of Industrial Park Based on Deep Data Aware
Issue 06, 2022 download preview

HU Bo，LI Tong，WANG Yihe，CUI Jia，YANG Junyou，XU Junjin

Abstract: Combined with the feature extraction ability of self-coding and the time series analysis ability oflong short-term memory（LSTM），a short-term load forecasting model based on LSTM self-coding was proposed.First of all，based on the basic principle and flow of the depth model，the functional characteristics of the automatic encoder...更多

Application Problems of High-performance Inverter-fed Motor Drive Systems
Issue 02, 2020 download preview

MA Xiaoliang

Abstract: Several problems and their solutions of high-performance inverter-fed motor drive systems wereintroduced: the features and some matters needing attention of two- closed-loop systems; how to improve speedfollowing performance during starting and breaking and to improve anti-disturb ability by means of predictive control technique...更多
Research on Characteristic Test and Classification of DC Resistance Home Appliances
Issue 01, 2023 download preview

WANG Yifeng，ZHANG Mingzhi，CHEN Bo，CHEN Mengying，CHEN Chen，XIE Wenqiang

Abstract: In order to provide a theoretical basis for the research of universal adapters in DC power distributionsystems，it is particularly important to fully understand the characteristics of DC household loads. A large number ofexperiments and tests were carried out on DC resistive home appliances among common DC home appliances. Byg...更多
Research on Switching Performance and Efficiency Optimization of SiC MOSFET in Bidirectional Wireless Charging Applications
Issue 01, 2023 download preview

LING Chunyang，LIU Fang，LI Hao，ZHAO Yang

Abstract: SiC MOSFET devices have the characteristics of high switching frequency，low loss，and hightemperature resistance，which can significantly improve the power density and efficiency when used in wirelesscharging. However，in the control of the wireless charging converter，hard turn-on and hard turn-off are easy to occur，which will g...更多
Research on Optimal Design of High-frequency-density Power Electronics PCB
Issue 01, 2023 download preview

CHEN Zhixiu，LIU Yang，ZHANG Hanshu，XIAYe，WANG Hao，LIU Xin

Abstract: In the period of high and new technology development，the application of SiC and other newsemiconductors promotes the development of PCB design toward integration and high efficiency. The new ideas were provided for PCB design optimization from two aspects of high frequency and high density. Among them，therequirement of stray ...更多
Review on Research Progress of PMSM Temperature Field
Issue 01, 2023 download preview

JIN Yongchun，CHEN Li，ZOU Yusheng，DUAN Chengwu，YAO Jian

Abstract: Due to the advantages of high efficiency，wide speed range，high torque density and great controlperformance，permanent magnet synchronous motors（PMSM）have been widely used in driving systems of electric vehicles（EVs）. However，as the increase of power density，the problem of temperature rise caused by loss heating has become one ...更多
Summary of Control Technology of Position Sensorless Brushless DC Motor
Issue 24, 2022 download preview

ZHENG Xiaoyong，DENG Jinxiang，HU Ren，WANG Hong

Abstract: Brushless DC motor has been widely used in the market because of its long life，high reliability andhigh torque. The sensorless control method can avoid a series of problems caused by the position sensor and furtherexpand the application of the brushless DC motor. Compared with the traditional sensorless control methods such a...更多
Review on Control Strategies of VC-DFIG
Issue 22, 2022 download preview

LIN Xin，GAO Xiang，XIE Zhen，XU Kebao，ZHANG Xing

Abstract: With the increasing proportion of wind turbines，the characteristics of low inertia and weak dampingpower grid become more obvious，which brings new challenges to the smooth operation of power grid. Traditionalcurrent-controlled strategy is difficult to obtain accurate grid synchronization information in weak power grid byusing...更多
Small-signal Stability Analysis of Multiple-grid-connected-converter System：An Overview
Issue 20, 2022 download preview

WANG Xiaoyang，ZHAO Jinbin，ZHU Yuxin

Abstract: With more and more renewable energy devices and loads connected to the traditional power grid bypower electronic equipment，the negative resistance characteristics of power electronic equipment lead to the weakinertia characteristics of high power electronic power systems. Therefore，the stability of the multiple-grid-connected...更多
Analysis and Treatment of Power Quality in the Background of Microgrid
Issue 18, 2022 download preview

ZHOU Jinghua，YAN Tianle，GUO Leixuan，ZHANG Xiaowei

Abstract: With the high penetration rate of new energy power generation in microgrids and the application ofhigh proportion of power electronic equipment，coupled with the access of a wide variety of loads such as unbalanced and non-linear loads and energy storage device，the power quality problems in microgrids have become increasingly ...更多
Analysis on Promotion Effect of High-efficiency Motor System
Issue 18, 2022 download preview

MA Xiaolu，WANG Zhixiong，DUAN Yanmin，ZHANG Lei，WU Yi，QI Zhuoya，HOU Jue

Abstract: The significance of promote high-efficiency motor and motor system in China was analyzed bymeans of literature research，questionnaire survey and enterprise survey. Policies and measures for the promotion of high-efficiency motors and motor systems were sorted out. Conduct market research on high-efficiency motors and pumps，fa...更多

Application Problems of High-performance Inverter-fed Motor Drive Systems
Issue 02, 2020 download preview

MA Xiaoliang

Abstract: Several problems and their solutions of high-performance inverter-fed motor drive systems wereintroduced: the features and some matters needing attention of two- closed-loop systems; how to improve speedfollowing performance during starting and breaking and to improve anti-disturb ability by means of predictive control technique...更多
Summary of Control Technology of Position Sensorless Brushless DC Motor
Issue 24, 2022 download preview

ZHENG Xiaoyong，DENG Jinxiang，HU Ren，WANG Hong

Abstract: Brushless DC motor has been widely used in the market because of its long life，high reliability andhigh torque. The sensorless control method can avoid a series of problems caused by the position sensor and furtherexpand the application of the brushless DC motor. Compared with the traditional sensorless control methods such a...更多
Study on Working Principle and Protection for Combined Co-phase Power Pupply Equipment
Issue 24, 2022 download preview

GUO Peijian，JI Shiqing，LIU Juan，HE Jinwei，BAI Yang，GUO Yan

Abstract: Due to the special characteristics of the structure and load of the traction power supply system，serious imbalances can occur in the three-phase power supply system，which restricts the development of highspeed，heavy-haul railways. The structure of a single-three-phase combined co-phase power supply system wasintroduced in det...更多
Study on Harmonic Calculation Method of DC Side of Receiving End Hybrid LCC-VSC
Issue 24, 2022 download preview

YE Jianmin，WANG Ruoyu，LUO Hongmei，XIE Yan

Abstract: The receiving end hybrid line commutated concerter based voltage source converter（LCC-VSC）notonly has the advantages of LCC and VSC，but also adopts the structure of high-voltage valve group LCC and lowvoltage valve group three-end parallel VSC in series at the receiving end. Therefore，the receiving end hybrid LCCVSC has great...更多
Decentralized Compensation Control Strategy Based on Residual Generator
Issue 24, 2022 download preview

ZHOU Wen，YANG Shaobo

Abstract: In the DC microgrid，bus voltage stability is the key to maintain the normal operation of the system.Load switching and distributed micro-source power fluctuations will affect the stability of the DC bus voltage. Tosolve the above problem，a compensation control strategy based on the residual generator was proposed. Firstly，the...更多
Study on Pulse Transmitting Circuit of Multi-excitation Sources Based on HTEM System
Issue 24, 2022 download preview

LIANG Biao，ZHANG Yiming，ZHANG Dong，LI Gen，WANG Xuhong

Abstract: With the increasing demand for geological exploration in complicated terrain in China，thedevelopment of helicopter transient electromagnetic system（HTEM）has been paid more and more attention. A pulse current transmitting circuit with multi-excitation sources was proposed to meet the demand of transmitting signals of HTEM syst...更多
Voltage Disturbance Detection Method Based on Morphological Filter Pre-filtering
Issue 24, 2022 download preview

NIU Shengsuo，CHENG Bo，LI Jinbo，LÜ Linfei，FU Xiulai

Abstract: Avoltage disturbance detection method based on mathematical morphological filtering and derivationdq transformation was proposed. Firstly，in order to reduce the interference of pulses，harmonics and other noises in the signals to be detected，a composite morphological filter was constructed based on adaptive theory to preproces...更多
On-line Bus Impedance Estimation and Damping Method of DC Microgrid Based on Loop Gain
Issue 24, 2022 download preview

GAO Shanxue，YANG Xin，SHEN Wenbing，ZHONG Wei，ZHANG Shuai，WANG Min

Abstract: DC microgrid usually consists of a plurality of power electronic converters with feedback controlconnected to a common DC bus. Although the control loop design of each individual converter has a good stabilitymargin，the interconnection of multiple power and load converters can cause stability and performance problems due to p...更多
DTC Based Control Strategy with Product Balance of Torque and Impulse Time for Wind Power Generation System
Issue 24, 2022 download preview

DING Qiang，ZHU Jie，JIANG Yingxu

Abstract: Direct-drive electrically excited synchronous motor（EESM）is obtained widespread utilization inwind power generation system due to its advantages of simple construction and low cost. Firstly，a mathematicalmodel of EESM was derived and the direct torque control（DTC）algorithm for EESM was introduced based on themathematical mode...更多
Inverse-time Distance Protection for AC Microgrids Considering Fault Ride-through of Inverter-interfaced Distributed Generation
Issue 24, 2022 download preview

王德明，李英量，贾俊辉，解晨，王语园

Abstract: The conventional overcurrent protection is ineffective in isolating faults in microgrids due to the lowfault current level contributed by distributed generations（DGs）. Because of its high agility and adaptability，themeasured impedance-based protection schemes are considered as common alternatives to detect faults. However，the...更多