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Editorial board

Counselor:

CHEN BoshiMA Xiaoliang

Chairman:

Xu Dianguo

Vice Chairman:

Li YongdongZhang ChenghuiTan GuojunWen XuhuiZhang XingWang QunjingRuan XinboCai XuHua weiZheng DapengYang MingYang Xu

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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A Preliminary Analysis of High Quality Development in the AC Power Frequency Converter Industry
Issue 04, 2025 download preview

ZHOU Ning

Abstract：Focusing on the central position of AC power frequency converter in the development of the nationaleconomy，emphasizingd their critical impact on the safety and efficiency of industrial production. In view of the rapid development of power electronics technology，the field of AC power frequency converter has made remarkable prog...更多
Modeling and Analysis of Capacitor Voltage Fluctuation and Circulating Currents Characteristics of M3C for Variable Speed Pumped Storage
Issue 04, 2025 download preview

ZHANG Mingqi，YE Hong，LIANG Hao，ZHAO Bo，WANG Chao，WANG Kui

Abstract：Aiming at the problem that the circulating currents analysis of modular multilevel matrix converter（M3C）is not deep enough and the frequency component of circulating currents is not clear，the coupling process of submodule capacitor voltage fluctuation，bridge voltage fluctuation and circulating currents in M3C was deeplyanalyze...更多
Capacity Optimization Configuration of Wind Storage Systems Considering State of Charge and Battery Life
Issue 04, 2025 download preview

SHEN Yuming，GUI Xu，JIANG Guifen，XU Jiayin，FENG Peiru，LI Kun

Abstract：As the penetration rate of new energy in the power system continues to increase，the large-scale gridconnection of wind power is one of the important factors affecting the stable frequency operation of the powersystem. Configuring energy storage can provide transient frequency support for the system，improve wind powerfluctuatio...更多
Dynamic Equivalence Method for Large⁃scale Power Systems Based on the Random Forest Algorithm
Issue 04, 2025 download preview

LEI Aoyu ，LI Jun ，MEI Yong ，TONG Ning ，WANG Yu ，WU Wei

Abstract：The stability analysis of power system transient voltage，power angle，and frequency is often basedon short-time-scale electromechanical transient simulation，which requires a relatively accurate large-scalesimulation model，which not only has low simulation efficiency but also takes a long time，thus giving rise to thedemand for d...更多
Energy Efficiency Modeling and Optimization of Aluminum Air Battery Based on Internal Resistance Characteristics
Issue 04, 2025 download preview

XIANG Zhiping，MAYuhe，GAO Jian

Abstract：In order to reduce the loss of electric energy in the process of energy conversion and improve theenergy efficiency of aluminum air battery，an energy efficiency model based on the internal resistancecharacteristics of aluminum air battery was established，and the variations of operating conditions（operatingtemperature，electroly...更多
Optimal Configuration of SOP in Flexible Distribution Network Based on Branch Power Sensitivity Analysis
Issue 04, 2025 download preview

SUN Jia，HAN Shuntian，NI Lianghua，LÜ Ganyun

Abstract：While a large number of distributed generator（DG）keep penetrating into distribution networks，the problems such as voltage violation and network power congestion become more and more serious. Soft open point （SOP）can quickly achieve flexible interconnection and accurate power flow control，effectively addressing the challenges c...更多
ADRC-based Stabilization Control for DC Bus of PV Grid-connected System
Issue 04, 2025 download preview

XU Zhance，XU Wei

Abstract：Aiming at the problem that the photovoltaic grid-connected inverter system operates under multipledisturbances，an linear active disturbance rejection control（LADRC）grid-connected strategy combined withphotovoltaic system was proposed. Firstly，the dynamic process of PV grid-connected system was analyzed andmodeled，and the LADRC...更多
Analysis on the Spatiotemporal Distribution Characteristics of the Frequency Response in Large⁃scale New Energy Access Sending⁃end Power Grid
Issue 04, 2025 download preview

MA Zun，CHEN Haoying，DENG Can，CHEN Yong，GUAN Lin

Abstract：The development of modern power systems with wide span，low inertia，and complex structuremakes the frequency stability problem increasingly prominent，and the spatial-temporal distribution characteristicsof frequency are distinct. Taking the actual power grid as the object，the impacts of large-scale new energy accessand DC power...更多
The Study on Continuous G-load Simulating of Aircraft Full Envelop Flight Based on Centrifuge
Issue 04, 2025 download preview

WANG Yi，JIA Hongbo，WANG Cong，ZHANG Lihui，YANG Minghao，LI Baohui

Abstract：It is an important means to improve the anti-G ability of pilots to simulate the flight G-loadcharacteristics of aircraft in full envelop flight on the ground through centrifuge. With the great improvement ofmaneuvering performance of manned aircraft，it is extremely difficult to accurately analyze its flight G-loadcharacterist...更多
Research on Fault Diagnosis of Transmission Line Based on Multi-source Information Fusion
Issue 04, 2025 download preview

GE Yaming，ZHOU Chenbin，MENG Yihua，SHEN Jiaoxiao，CAO Haiou，REN Xuchao

Abstract：With the accelerated construction of new power systems，the scale and complexity of transmissionsystems are constantly increasing. Therefore，it is urgent to study transmission line fault diagnosis algorithms thatutilize multi-source data as driving sources and meet requirements for accuracy and low time consumption. A multisour...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
A Preliminary Analysis of High Quality Development in the AC Power Frequency Converter Industry
Issue 04, 2025 download preview

ZHOU Ning

Abstract：Focusing on the central position of AC power frequency converter in the development of the nationaleconomy，emphasizingd their critical impact on the safety and efficiency of industrial production. In view of the rapid development of power electronics technology，the field of AC power frequency converter has made remarkable prog...更多
Discussion on the Green and Low-carbon Development Path of the Electrical Transmission Industry
Issue 12, 2024 download preview

LUO Ranjie，LI Qian，GAO Jing，FENG Chongwen，MAMengyuan，GUO Peijian

Abstract：The development status of electric drive systems in the industrial sector and their significance inpromoting green and low-carbon transformation were studied. As a crucial control and energy-saving equipment inthe industrial sector，electric drive systems face numerous challenges posed by unchecked development. It isimperative ...更多
Improving the Flux⁃weakening Torque Response Speed Strategy of Permanent Magnet Synchronous Motor
Issue 11, 2024 download preview

CHEN Weikang，WANG Haixin，ZHANG Zhiyong，CHEN Zhenyu，SHEN Jie

Abstract：Flux-weakening control technology can effectively broaden the speed range of the permanentmagnet synchronous machine（PMSM），therefore，it is of great significance to the research on the flux-weakening control of permanent magnet synchronous machine. Most of flux-weakening modified the flux-weakening current command through a sin...更多
Application of Frequency Control Strategy Based on Grid⁃forming Converter
Issue 11, 2024 download preview

YIN Xiang，ZHANG Xiaojun，FENG Xinjia，CHENG Shi，TAO Yuxin，XIAYuande

Abstract：As the penetration rate of new energy and power electronic equipment increases，the inertia anddamping of the power system decrease，and the stability decreases.The grid-forming control technology builds avoltage source to support the stable operation of the large power grid through the converter，so as to play the role of rapid ...更多
An Improved Model Free Predictive Control Suitable for Permanent Magnet Direct Drive Wind Power Generation Systems
Issue 11, 2024 download preview

LI Shengnan，HE Tingyi，HE Xin，HE Peng，ZHANG Yongchang，ZHANG Shengan

Abstract：During the joint operation of permanent magnet direct drive wind power generation systems，thechanges in motor side parameters may cause problems such as reduce control accuracy and stability on the machineside，which in turn affects the DC bus voltage of the converter，leading to power fluctuations on the grid side andposing a t...更多
Analysis of the Influence of Non⁃ideal Factors on the Control Effect of PSVI for PMSM Under Low Switching Frequency
Issue 11, 2024 download preview

YIN Zhenhuan

Abstract：Due to the advantages of faster dynamic performance and smaller torque ripple，high frequencypulse voltage injection（PSVI）is widely used in sensorless control of permanent magnet synchronous motor（PMSM）at low-speed range. Under low switching frequency，the dynamic and steady performance of thetraditional high frequency pulse vol...更多
Design of Security Defense System for UHV Power Grids Under the Dual Carbon Background
Issue 10, 2024 download preview

GU Jiming，SONG Yunting，LIU Xinyu，ZHU Shaoxuan，LEI Yu，ZHANG Tongzun

Abstract：Under the dual carbon background of AC and DC hybrid power grids have the new feature of"strong HVDC and weak AC system" and power electronization，in order to effectively reduce the risk of largescalepower outages in power grid，it is necessary to build a secure and reliable comprehensive defense system toensure the stable oper...更多
Research on Position Sensorless BLDC Motor Control Method Based on Virtual Neutral Point
Issue 08, 2024 download preview

WAN Xiaojian，WAN Zibo

Abstract：A rotor position detection strategy based on virtual neutral point was proposed to realize positionsensorless control of BLDC motor. Through the three-phase terminal voltage with the same value of three resistancesstar connection to construct a virtual neutral point，the relationship between the virtual neutral point voltage an...更多
Stability Analysis and Active Damping Scheme for APF System Under Weak Grid Condition
Issue 08, 2024 download preview

LIU Xinglong，XIE Yihan，YANG Ziyang，ZHANG Zhilong，YI Hao，ZHUO Fang

Abstract：Active power filters（APF）are widely used for dynamic compensation of power system harmonic.However，under weak grid conditions，the interaction between APF，nonlinear loads and grid impedance can easily lead to the stability issue of harmonic oscillation around the compensation frequency，resulting in the fault ofharmonic compensa...更多

Broadband Modeling of Four-quadrant Rectifier and Differential Frequency Oscillation Analysis
Issue 03, 2025 download preview

WANG Yingjie，ZHOU Hailan，CHEN Yongfa，BAI Feiying

Abstract：When the switching frequency of the four-quadrant rectifiers in different multiple units deviates，thecurrent will experience low-frequency oscillation，which is not conducive to the operation of the traction powergrid. Therefore，a matrix small-signal modeling method for SPWM comparators was proposed to analyze this issue，which ...更多
An Asynchronous Motor Speed Regulation Method Based on a New Sliding Mode Reaching Law
Issue 03, 2025 download preview

ZHANG Rui，XIAYan，HUANG Guiping，CHEN Renzhao，YANG Yili

Abstract：Aiming at the poor robustness and system vibration problem of asynchronous motors under thetraditional sliding mode control，a variability coefficient power exponent reaching law（VCPERL）was proposed todynamically change the control coefficients according to the position of the sliding mode surface，and the slidingmode controller...更多
Research on Power Grid Simulator Based on Multi-filter Auto-disturbance Rejection
Issue 03, 2025 download preview

LIU Qiwei，ZENG Jiang

Abstract：In view of the need to test the operation of power electronic equipment under various workingconditions in the current new power system，a control strategy using linear auto-disturbance rejection technologywas proposed to study the power grid simulator with line impedance simulation function. On this basis，in order toseparate a...更多
Analysis of Core Eddy Current Loss Caused by Leakage Flux in Nanocrystalline High-frequency Transformer
Issue 03, 2025 download preview

LIU Xue，ZHAO Lu，MA Chengyao，FAN Enze，GE Qiongxuan

Abstract：High-frequency transformers are an essential component in series-resonant DC/DC converters，andtheir stable operation has a decisive impact on the reliability，efficiency，and power density of power supplysystems. Nanocrystalline magnetic cores are widely used due to their advantages of high saturation magnetic flux，high magnetic...更多
Research of IGBT Gate Oscillation Mechanism and Suppression Methods
Issue 03, 2025 download preview

ZHANG Junkun，LEI Ertao，JIN Li，MA Kai，XIA Chenyang，WANG Xirui

Abstract：The rapid development of modern power electronics technology promotes the insulated gate bipolartransistor（IGBT）wide range of applications in the AC motor drive，inverter，switching power supply and newenergy industry. In the application process of IGBT，due to the complex and varied circuit topology and systemconditions，the prob...更多
A Method to Stabilize the DC-link Voltage of Multisystem Electric Locomotive in the Process of Power Supply System Switching
Issue 03, 2025 download preview

WU Yue

Abstract：The problem of AC train passing neutral section can be solved by ground's flexible passing neutralsection method. However，for multisystem electric locomotives，the switching of power supply system in neutralzone is much more complicated，but there is little research at present. Based on the approach of vehicle switchingcombi...更多
Control Strategy for Energy Storage Devices in Substation Areas with Unbalanced Voltage Compensation Function
Issue 03, 2025 download preview

LI Juan，WEI Yalong，ZHANG Shiqian，GONG Peijiao

Abstract：A three-phase four-wire energy storage type low-voltage control device with the function of gridvoltage unbalance compensation was designed. Firstly，a control method based on active voltage droop and constant power factor was introduced in detail to solve the problem of low voltage at the terminal of substation area power grid...更多
Study of Evolution Path of Frequency Modulation Technology in East China Power Grid Considering Subjective and Objective Factors of Frequency Disturbance Events
Issue 03, 2025 download preview

GONG Weizheng，YAO Yin，CHEN Mengying，LI Dongdong，ZHANG Xianming，ZHU Yedong

Abstract：The rapid increase in the proportion of renewable energy in the East China Power Grid System andthe continuous decline in the rotational inertia and frequency modulation resources in the system will pose a threatto the system's frequency immunity and stability. The existing research focuses on the development and applicati...更多
An Energy Supply Method of Combined DC Circuit Breaker
Issue 03, 2025 download preview

ZHANG Xuyang，ZHANG Maosong，WANG Xiuqin，CHEN Zhong，WANG Qunjing

Abstract：In view of the problem that the transfer branch of the current high-voltage DC circuit breaker mostlyadopts uncontrollable full-bridge transformer coupling energy supply，which is not conducive to controllable andstable power supply，and low energy utilization，a combined DC circuit breaker energy supply method wasproposed. A bid...更多
State of Health Estimation Method for Lithium-ion Batteries in Energy Storage Systems Based on Two⁃stage Charging Data
Issue 03, 2025 download preview

FAN Yuanliang，ZHU Junwei，WU Han，HAN Xiaolan，HUANG Xinghua，CHEN Jinyu

Abstract：Accurately estimating the state of health（SOH）of lithium-ion batteries is crucial for optimizingenergy storage systems' operation，management，and maintenance. Existing methods that extract health featuresfrom single-stage charging data fail to exploit battery aging information fully，leading to a suboptimal estimationaccurac...更多