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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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Industry Application and Development Trend of Inverter for Hydrogen Fuel Cell Air Compressor
Issue 11, 2023 download preview

LIU Juan，HU Xiaolei，TENG Yiyina，ZHANG Shiqi，ZHANG Zhe

Abstract: Hydrogen fuel cells air compressor is an important accessory of hydrogen fuel cell，but the high costcaused by its high energy consumption hinders the further development of hydrogen fuel cell. In recent years，theindustry has gradually adopted variable frequency drives to control the operation of hydrogen fuel cell aircompress...更多
Frequency Control Strategy of DFIG Based on Rotor Kinetic Energy and Distributed Energy Storage
Issue 11, 2023 download preview

CAI Weiliang，CHENG Haifeng，PAN Zhixuan，CHENG Jin，DAI Mingli

Abstract: The grid connection of doubly-fed induction generator（DFIG）leads to the reduction of systemequivalent inertia and primary frequency regulation capacity. With the increase of DFIG grid connection scale，theproblem of system frequency regulation becomes more and more serious. In view of this problem，frequencycontrol strategy of ...更多
Optimization of Control Signal of Kalman Filter Algorithm in Marine Drilling Rig
Issue 11, 2023 download preview

LIU Hao，WEI Lixin，YOU Lichun

Abstract: Due to the particularity of its application，offshore drilling rig has higher requirements for thestability and control accuracy of the control signal. Aiming at the situation that the signal in the electronic controlsystem of offshore drilling rig is greatly disturbed by noise，a PID control signal optimization method based on...更多
Design of a High Efficiency Half Bridge LLC AC/DC Converter
Issue 11, 2023 download preview

TIAN Bin，SUN Quanhui

Abstract: AC/DC switching power supply is the main source of electrical system，its development trend islarge capacity，high power density，high efficiency，low power factor and low harmonic content. However，there are still some common problems with existing digital power supplies，including poor anti-interference ability，simple structure a...更多
Cable Terminal Defect Diagnosis Method Based on Improved Residual Network
Issue 11, 2023 download preview

JIAO Jinghai，LI Jie

Abstract: To solve the problem of low identification accuracy of partial discharge（PD）for electric multipleunits ethylene propylene rubber（EPR）cable terminal defects，an on-board cable terminal defect identificationmethod based on improved residual network was proposed. Firstly，cable terminals with four typical insulationdefects were ma...更多
Grid Voltage Observation Method Based on Single Sliding Mode Observer for Flexible DC Power Converters
Issue 11, 2023 download preview

HAO Liangshou，XIA Kepeng，CHEN Xiaoping，JIANG Hai，ZHU Qi，WANG Di

Abstract: The conventional grid voltage observation methods of flexible DC power converters need to designmultiple observers，and use multiple filters，which are also affected by DC-offset. So，a grid voltage observationmethod of flexible DC power converters based on single sliding mode observer and single third-order generalizedintegrato...更多
A Two-stage Voltage Automatic Control Method for Active Distribution Networks Considering Source-load Uncertainty
Issue 11, 2023 download preview

LÜ Zhengyu，ZHOU Liang

Abstract: In the process of controlling the voltage of active distribution network，there are problems of poorvoltage control effect and low efficiency. A two-stage automatic voltage control method of active distributionnetwork considering load measurement was proposed. Using the probability density function （PDF） curvediscretization me...更多
Study on Voltage Stability of Phasor Measurement Unit Based on State Estimation Method
Issue 11, 2023 download preview

JIANG Wenhui，LIN Dong，YU Li，CHEN Bo，CHEN Yumin

Abstract: The voltage stability of power grid was briefly introduced，and the measurement method of voltagestability of phasor measurement unit（PMU）based on state estimation was proposed. This method mainly aims atthe voltage change caused by the load rate change. The voltage stability under different load conditions and different volta...更多
Distributed Voltage Control of Distribution Network Considering Communication Delay and Packet Loss
Issue 11, 2023 download preview

LI Gang，XU Bin，WANG Xiaoming，ZHAO Wenguang，FANG Zhao，WU Hongbin

Abstract: The distributed control strategy of the distribution network with distributed generation is expected tosolve the voltage control problem of the distribution network. However，distributed generation are loosely distributed in space，and communication problems such as communication delay and packet loss between nodes are inevitab...更多
Research on Human Behavior Recognition Method Based on Improved Machine Learning
Issue 11, 2023 download preview

TAO Jiagui，HU Shengnan，DAI Jianzhuo，ZHANG Sicong

Abstract: Aiming at the problems of complex feature extraction and low classification accuracy of traditionalmethods in human behavior recognition（HAR），a behavior recognition model based on deep belief network-support vector machine（DBN-SVM）was proposed. Firstly，in order to better capture the periodic changes of userbehavior，a filter w...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
Industry Application and Development Trend of Inverter for Hydrogen Fuel Cell Air Compressor
Issue 11, 2023 download preview

LIU Juan，HU Xiaolei，TENG Yiyina，ZHANG Shiqi，ZHANG Zhe

Abstract: Hydrogen fuel cells air compressor is an important accessory of hydrogen fuel cell，but the high costcaused by its high energy consumption hinders the further development of hydrogen fuel cell. In recent years，theindustry has gradually adopted variable frequency drives to control the operation of hydrogen fuel cell aircompress...更多
Summary on Related Standards About Measurement Power Savings of Parallel Compensation Device
Issue 07, 2023 download preview

KONG Fanting，CHEN Jian，DI Meixian，FU Baoxin，WANG Jianquan

Abstract: Electric power system is becoming more and more power electronization with each passing day，additional losses of the power grid caused by the power quality problem is becoming more and more serious witheach passing day. Solving the power quality problem has become the new way to help the power grid to save energyand reduce co...更多
Research on High Frequency LLC Converter Based on GaN
Issue 02, 2023 download preview

RONG Zhenshuai，CHI Yingchao，SUN Zhan，WANG Yijie，XU Dianguo

Abstract: The arrival of the 5G era has put forward higher requirements for the power system，that is，theconverter is required to have high efficiency，high power density，and rapid dynamic response. In response to thisproblem，the third generation of wide bandgap semiconductor device gallium nitride（GaN）transistors was used. A new type of...更多
Research on Dual Active Bridge Converter Based on Triple Phase Shift Control
Issue 02, 2023 download preview

GUO Yufei，LI Yiliang，WANG Yijie，XU Dianguo

Abstract: In order to speed up the process of "carbon neutrality" and "peak carbon dioxide emissions"，fossilenergy has been gradually replaced by renewable energy，and renewable energy will become the main powergeneration mode in the future. The combination of energy storage system and bidirectional converter become the core component t...更多
Design and Loss Analysis of Three-level ANPC Topology Based on SiC Device in Traction Drive System
Issue 02, 2023 download preview

LIU Weizhi

Abstract: In high-power traction converter，SiC devices with many advantages such as fast switching speed，high temperature resistance and low switching loss are used to replace Si devices. The three-level active neutral-pointclamped（3L-ANPC）converter based on SiC devices can reduce the burden of heat dissipation systemof the converter，r...更多
Optimal Design of Integrated Magnetics and PCB Winding for High-frequency LLC Resonant Converter
Issue 02, 2023 download preview

LIU Yue，JI Guosheng，ZOU Jun，WU Hongfei，YANG Yuan，GUO Yuedong

Abstract: The optimal design of the magnetic integration and integrated printed circuit board（PCB）windingbased on a high-frequency high-density LLC resonant converter was studied. Both the transformer and resonantinductor were integrated into only one magnetic core. By configuring the resonant inductor on the secondary side of the tran...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

A Kind of Torque Balancing Control Method for Multi-motor Rigid Connection System
Issue 10, 2023 download preview

NIU Zongxian，FAN Bo，FU Yulin，WANG Chunguang，WU Xiaodan，YANG Chenhui

Abstract: Under traditional PI parallel control strategies，synchronous control systems of multi-motor rigidconnection structure have the problem of unbalanced motor torque output，and there is even a serious risk of shaftbreakage. Taking the rigid connection structure of multi-motor gear transmission as the research object，a gearmotor c...更多
Virtual Flux Model Prediction Power Control Algorithm for Single-phase Cascaded H-bridge
Issue 10, 2023 download preview

ZHANG Di，HUANG Lu，CUI Jing，SONG Zhiwei

Abstract: The AC voltage sensors are used to measure the grid voltage，which brings high hardware cost，difficult installation and low reliability. In order to realize that grid voltage sensors are not necessary，virtual fluxwas introducted to model prediction power control algorithm for cascaded H-bridge rectifier. The virtual flux space...更多
Research and Design of Auxiliary Power Supply with High Voltage and Wide Range
Issue 10, 2023 download preview

ZHANG Xiangqian，CHE Chaochang，LI Fengsheng，YU Shipeng，LEI Hui

Abstract: As an important part of power electronic power conversion device，auxiliary power supply is facedwith the application demand of high voltage and wide range in DC transmission，solar power station，wind powerstation and other systems. Aiming at the problems of switch stress，cost and efficiency caused by high voltage andwide range...更多
Novel Multi-input-port Buck-Boost DC-AC Conversion System
Issue 10, 2023 download preview

LAI Guoqing，LAI Qun，LI Ming，FENG Chaokun

Abstract: In the application of renewable energy power generation，multi-input-port power conversion systemis a high cost-effectiveness option. A multi-input-port DC-AC conversion system based on single-stage nonisolatedbuck-boost power conversion cell was propsed . Each type of DC source flows into the full-bridge circuitof correspondi...更多
Research on Wireless Power Transmission System Based on D.D.D. Loosely-coupled Transformer
Issue 10, 2023 download preview

WANG Pengcheng，PAN Ligang，WANG Yijie

Abstract: The emergence of wireless power transmission（WPT）technology overcomes the strict requirementsof traditional wire transmission process on transmission site conditions，maintenance convenience and security，which has a wide range of application scenarios. In the WPT technology，the misalignment tolerance characteristicsbetween the...更多
Research on DC Power Distribution Scheme for Long-distance Electrical Equipment of Rail Transit
Issue 10, 2023 download preview

JI Huancong，XIA Chengjun，WANG Zeqing，LAI Shengjie

Abstract: Aiming at the problems of high cost and poor voltage quality in the conventional power distributionscheme of long-distance electrical equipment of rail transit，a technical scheme of DC power distribution for longdistance electrical equipment was proposed to achieve the purpose of improving voltage quality and reducing project...更多
Constant Current Drive Power Supplies Based on Two Cuk Improved Circuits
Issue 10, 2023 download preview

YAN Yulin，XIAYankun，LIU Liyou

Abstract: In order to achieve equal current, a constant current source should be used to drive the LEDs. Aconstant current source based on two output Cuk improved circuits was proposed. The circuit structure, workingmode and constant current principle were analyzed, and the voltage, current and power expressions were derived.Finally, a...更多
Day-ahead and Intra-day Optimal Dispatching of Cyber-physical Integrated Power System
Issue 10, 2023 download preview

CHENG Kai，WANG Pengyu，BAO Tao，YU jinyi，ZHANG Zihao

Abstract: The original power system dispatching model is separated from physical model and informationmodel. Establishing a cyber-physical integrated power system dispatching model can fully analyze and explore theregulation ability of adjustable resources，expand the dispatchable space of power system，and enhance the grid'sability ...更多
Multi-time Scales Sptimization Scheduling of Electric Heating Combined System Based on Heat Network Interconnection
Issue 10, 2023 download preview

LI Lingqi，CHENG Zhijiang，GUO Shaokang，XIAO Shihao ，CHEN Xingzhi

Abstract: Aiming at the problem of wind abandonment caused by the contradiction between wind and heatduring the winter heating in the Three-north areas of China，a scheduling strategy for electric heating combinedsystem considering wind power consumption was proposed. Firstly，the "power determined by heat" constraints ofcombined heat an...更多
Rational Control Method of Energy Storage Power in Multi-power Distribution Network Based on Ant Colony Algorithm
Issue 10, 2023 download preview

LIU Detao

Abstract: Due to the inaccurate power deviation and network loss results obtained by the energy storage powercontrol of the multi-source distribution network，the power control results are not ideal. A rational control method of energy storage power in multi-source distribution network based on ant colony algorithm was proposed，and thee...更多