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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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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
No-load Grid-connected Voltage Phase Control Strategy of Brushless Doubly-fed Induction Generator
Issue 18, 2022 download preview

GAO Ruiteng，WANG Shuhong，WU Hao，LI Jiabin，CAO Jianwen，WU Pan，ZHANG Ailing

Abstract: A no-load grid-connected voltage phase control method of the brushless doubly-fed inductiongenerator（BDFIG）based on the control winding flux was proposed，the control system structure block diagram was constructed according to the mathematical model and control strategy of BDFIG. The hardware circuit of the no-load grid connec...更多
DC Transformer Control Based on SRDAB DC-DC Converter
Issue 18, 2022 download preview

SHEN Jiexin，LIU Lei，HE Dandong，LIU Zhenguo，CHU Houguang，MA Hanchao

Abstract: When the current method is used to control the DC transformer of the DC-DC converter，thecontrol efficiency is low，the immunity is poor，and the loss detection error is large. In order to solve the existingproblems，a DC transformer control method based on the SRDAB DC-DC converter was proposed. By analyzingthe transient losses ...更多
A Dead-time Compensation Method for Medium Voltage Three-level IGCT Output Filtering Topology
Issue 18, 2022 download preview

TIAN Kai，YU Zhibin，YUAN Yuan，CHU Zilin，SUN Chuanjie，YANG Jingran

Abstract: A fine dead-time compensation method based on the medium voltage three-level IGCT outputfiltering topology was proposed to realize the real-time calculation and compensation of the dead-time effect of theinverter output. Based on the topology of the output filter，the transfer function was established，and the timedomain expres...更多
Research on Sliding Mode Control Method of DC/DC Converter Based on Improved Variable Speed Reaching Law
Issue 18, 2022 download preview

WANG Haiyan

Abstract: In order to reduce voltage overshoot of DC/DC converter and suppress chattering，a sliding modecontrol method based on improved variable speed reaching law was proposed. The improved variable speed reaching law inherited the advantages of variable speed reaching law and adjusted approach speed with system state variables.By in...更多
Optimal Allocation of Energy Storage System in Microgrids Based on Improved NSGA-Ⅲ
Issue 18, 2022 download preview

DAI Yanwen，YU Aiqing

Abstract: In order to improve the reliability of microgrid operation and renewable energy power absorbability，a capacity optimization allocation method of energy storage system based on improved nondominated sortinggenetic algorithm Ⅲ（ NSGA-Ⅲ ）was proposed. Firstly ，a two-layer optimization model of energy storageconfiguration was esta...更多
Research on Transmission Line Crossing Distance Measurement Based on Grid Information Model
Issue 18, 2022 download preview

ZHANG Jinbo，YIN Yuan，SHI Jian，LIN Shaoyuan，YAN Lei，HUANG Xiaoyu， LIN Yubin，YANG Dishan，CHENG Nuo

Abstract: In order to reduce the measurement error of transmission line crossing distance and reduce theoccurrence rate of transmission line accidents，a method of transmission line crossing distance measurement basedon grid information model was proposed. The platform of crossing distance measurement including data acquisitionunit，tran...更多
A Method to Evaluate the Capability of Distribution Networks with Multi-terminal VSC Interconnections for Accommodating Electric Vehicle
Issue 18, 2022 download preview

ZHANG Mingke，QIU Xiaoyan，SUN Xu，ZHANG Zhirong，REN Hao

Abstract: The growing electric vehicle（EV）charging load will produce significant impact on safe operationof distribution networks. The accommodation capability of EV charging load in traditional AC distributionnetworks is limited. AC/DC distribution networks with multi-terminal voltage source converter interconnectionshave good power f...更多
Calculation and Analysis of Distribution Network Loss Based on Gaussian Mixture Model
Issue 18, 2022 download preview

CHEN Bojian，XUN Chao，LIN Chaoqun，XIAO Fen，LIN Keyao，WU Xiangyu

Abstract: The loss rate is an important indicator to measure the technical operation level and economicoperation level of the power system. In response to the actual needs of the distribution network in management andtechnical loss reduction，based on loss statistics and theoretical calculations，a short-term loss characteristiccharacter...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
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
Development and Enlightenment of Demand Response in US Electricity Market
Issue 16, 2022 download preview

CUI Kaishun，ZHU Lan，WEI Linlin，TIAN Zeqing，LI Xiaojun

Abstract: Demand response to meet the power balance between supply and demand in the new generationresources without investing. The achievement of China's carbon neutrality goal by 2060 will surely bring aboutprofound changes in the structure of energy supply and demand. The effective development of demand-side resources is conduci...更多
Review on Real-time Modeling Technology and Key Issues of Distribution Network
Issue 12, 2022 download preview

YU Jia，Wang Xiaorong，Dai Yuesheng，LI Xuan

Abstract: With the advance of smart power grid construction，the terminal laying rate of intelligent acquisitionequipment has been greatly improved，and the demand-side terminal electrification has become an irreversible trend.In recent years，the problems of users' default power supply and private overlapped lines in low-voltage dist...更多
A Review of Fault Diagnosis Technology of Flight Electromechanical Actuation System
Issue 09, 2022 download preview

YANG Zhenshu，SUN Xiaozhe，YANG Jianzhong，MAO Qi

Abstract: The fault diagnosis technology of the flight electromechanical actuation system is of greatsignificance to improve the reliability of the aircraft actuation system and ensure the safe operation of the aircraft.Considering the problems and challenges encountered in the application of fault diagnosis technology in the flightele...更多
Foreign Experience and Practical Enlightenment of the High Proportion Access of Distributed Photovoltaic High-proportion
Issue 04, 2022 download preview

CAO Wei，DONG Haoyang，LI Yun，WEI Huangli，GAO Shengkai

Abstract: The proportion of distributed photovoltaic connected to the grid is gradually increasing，which bringsa series of problems，it can draw lessons from foreign experience to provide practical reference for solving relevantproblems. As one of the leading countries of energy transformation in Europe，Germany's experience in renewabl...更多
New Applications of Frequency Converters——Variable Speed Pumped-storage Hydropower Facilities
Issue 02, 2022 download preview

MA Xiaoliang

Abstract: Pump-turbine units are kind of hydropower facilities with both pump and power generation abilities，they are used mainly in pumped-storage plants and also in water-managing projects. Conventional units operate withfixed-speed. To make power control quick and flexible and to extend operation ranges of turbines as well as improve...更多
Overview of New Energy Vehicle Drive Motor Hardware-in-the-loop Simulation Technology
Issue 01, 2022 download preview

WANG Zhifu，SUN Qingle，LI Haolong，WANG Xu，GUO Yifeng，LIANG Changchun，WANG Rui

Abstract: With the development of motor drive system of new energy vehicle and the increase in complexity and integration，testing of motor drive system has become an important part of vehicle development. But high-power motor drive testing is more difficult and has higher risks，especially for motor control system，traditional bench and ...更多
Review of Power Conversion System Control Strategies for Microgrid
Issue 21, 2021 download preview

CHEN Ya’ai，LIN Yankang，ZHOU Jinghua

Abstract: The power conversion system in microgrid adopts flexible control strategy to supply the demand loadafter transforming various energy sources. The power conversion system enables the microgrid to be connected tothe grid as a controllable whole unit or to operate independently. Its control strategy is particularly important for ...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
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
Research on Torque Ripple Suppression of Eccentric Segmental Rotor Machine
Issue 17, 2022 download preview

ZHANG Yubo，LIU Xu，CAO Yang

Abstract: The hybrid excited segmental rotor flux switching permanent magnet（HESRFSPM）machine basedon eccentric pole was proposed. Under the condition of constant air gap area，the segmental rotor structure based on eccentric pole can reduce 2，4，10 radial air gap flux density space harmonic amplitudes by comparing air gap flux density s...更多
An Analysis Method for Regenerative Braking Energy of High-speed Railway Under Long Downslope Route
Issue 17, 2022 download preview

ZHANG Yexin，DENG Yunchuan，LIU Zhigang，ZHANG Yuting，CHEN Tao，HUANG Ke

Abstract: When the high-speed electric multiple units（EMUs）pass through the long downslope route，speedlimit is required to meet the safety of train operation，the regenerative braking energy generated in this process isreturned to the traction network and may threaten the safety of power supply. At present，there are few studies onregene...更多
Design of High-frequency Power Supply Based on Integrated Modulation Method
Issue 17, 2022 download preview

SUN Chuanjie，TIAN Kai，YANG Jingran，CHU Zilin，MA Jie

Abstract: A high-power high-frequency power supply was designed for test requirements of some specialelectrical equipment. In the power supply，cascaded H-bridge was adopted to form five-level topology structure，the integrated modulation method was adopted，including bipolar PWM modulation，carrier phase-shifted SPWMmodulation and variabl...更多
Rsearch on Control Strategy for Doubly Fed Induction Generator Under Low/High Voltage Ride Through
Issue 17, 2022 download preview

YAN Yuhao，ZHOU Buxiang，CHEN Shi，DONG Shen，LIU Zhifan，ZANG Tianlei

Abstract: At present，the focus of research on doubly fed induction generator（DFIG）high voltage ride through is a single high voltage fault.However，after DFIG low voltage ride through，due to the irrationality of the reactive power compensation strategy，a low/high voltage compound fault have be caused，which have a certain impact on the t...更多
Design of Improved Droop Controller Based on Adaptive Virtual Impedance
Issue 17, 2022 download preview

ZHOU Zhen，PENG Yuanxiu，LIU Bin，LI Xiaowen，ZHA Haitao

Abstract: In the isolated island operation mode of microgrid，the output power of distributed generation unitsin the system is difficult to distribute reasonably due to the difference of output line impedance，which affects thestability of the system. In order to realize the reasonable distribution of power according to capacity of distr...更多
Research on MMC DC Fault Current Calculation Method Based on Average Capacitance
Issue 17, 2022 download preview

HUANG Xu，LIU Yichao，ZHU Hanqing，LIU Yang

Abstract: The DC fault current calculation method of modular multilevel converter（MMC）is the key to studythe DC fault transient characteristics and isolate the fault point rapidly in VSC-HVDC grid. Firstly，aiming at twotypical MMC fault equivalent models，the topology and the capacitor voltage characteristics when the fault occurswere c...更多
Fault-tolerant Control of Machine Side Parallel Wind Power Converter After Open Circuit Fault of Outer IGBT
Issue 17, 2022 download preview

LÜ Wei，WANG Han，ZHANG Jianwen，CHEN Gen，CAI Xu

Abstract: Compared with onshore wind power，the natural conditions at sea are bad and the traffic isinconvenient to maintain the wind power system，so wind power system needs to be highly reliable. The systemreliability can be effectively improved by using fault-tolerant control. A fault-tolerant control strategy by injectingreactive cir...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