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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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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
Hexagon Trajectory Flux⁃weakening Control Strategy for Permanent Magnet Assisted SynRM
Issue 08, 2024 download preview

LI Wei，LUO Cheng，YANG Kai，WANG Xuming，QIU Lingfeng，HUANG Yuhao

Abstract：When the permanent magnet assisted synchronous reluctance motor（PMaSynRM）runs at highspeed with flux-weakening control，the DC bus voltage utilization is not high，and the efficiency and torque output capacity of the motor are low. Therefore，a flux-weakening control strategy of permanent magnet assistedsynchronous reluctance mot...更多
Linear Active Disturbance Rejection Power Decoupling Control Method for BDFM
Issue 08, 2024 download preview

WANG Xuming，LUO Cheng，XIONG Zhi，YANG Kai，XU Zhijie，LI Yinbin

Abstract：In response to the complex working environment of pumped storage energy units，wheredisturbances such as temperature variations are prominent，and considering the insufficient control precision oftraditional vector control for brushless doubly-fed machine（BDFM），a study was conducted on a control strategybased on linear active di...更多
Research on Dual Phase Shift Improved Control Strategy of DAB Converter
Issue 08, 2024 download preview

ZHOU Jie，ZHAO Shiwei，WU Yihao，YANG Xiangyu

Abstract：In order to optimize the current stress of dual active bridge（DAB）converter，an improved dualphase shift（IDPS）modulation was proposed based on the traditional dual phase shift（DPS）modulation. Firstly，the working principle of IDPS modulation was introduced，its steady-state working characteristics were analyzed，and the mathematic...更多
An Optimal Sampling Control Strategy for LC⁃type Inverter
Issue 08, 2024 download preview

FAN Enze，LI Yaohua，GE Qiongxuan，ZHAO Lu

Abstract：Under digital control，the inner current loop of the LC-type inverter is affected by the control delay，which leads to the weakening of its active damping effect. Increasing the sampling control frequency can effectivelyreduce the negative influence of digital control delay. Furthermore，in order to suppress the high order harmon...更多
A Fast Current Protection Algorithm for Power Distribution Systems Based on Discrete Setting⁃value
Issue 08, 2024 download preview

ZHANG Jun，GONG Min，ZHOU Yi，XIE June，CAO Lei，LIU Yingying

Abstract：In traditional current protection，the effective value of current is compared with the setting value toidentify the fault which is the typical protection scheme for the transmission lines of the power distribution systems.The current is calculated by the fast Fourier transform algorithm. As the calculation of the effective valu...更多
Dynamic Energy Flow Analysis Method Based on Holomorphic Embedding for Integrated Electricity and Heating Systems
Issue 08, 2024 download preview

CHEN Sisi，LI Zhigang，ZHENG Jiehui

Abstract：The energy flow analysis method with both high precision and high computational efficiency is abasic tool to simulate the operation and analyze the interaction between the thermal and electric coupling systems.The traditional iterative numerical method is slow in computation，poor in computability for large-scale problems，and c...更多
Expansion Planning Method of Heat Pump for Regional Energy Stations Considering the Benefits of Grid Ancillary Services
Issue 08, 2024 download preview

XING Gang，LIU Huihong，WANG Bozhao，SONG Wenyang，LIU Longfei，XU Xiandong

Abstract：To address the need of carbon emission peak and carbon neutrality target on local energy systems，an optimal expansion planning method of heat pump was proposed for regional energy stations considering thebenefits from ancillary services. The method was used to support the integration of new technologies such as heatpumps into ...更多
Optimize Scheduling of Distributed Generation Units in Active Distribution Network Based on Power Demand Side Response
Issue 08, 2024 download preview

JIANG Xuejiao，ZHANG Changqing，QIN Gang，ZHONG Lei，ZHOU Chaojun，CHEN Yupei

Abstract：In order to balance the output difference between renewable energy and load in the activedistribution network and reduce the budget cost and user purchase cost，an optimal dispatching method ofdistributed generation units in the active distribution network based on power demand side response was proposed.On the premise of power...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 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
Hexagon Trajectory Flux⁃weakening Control Strategy for Permanent Magnet Assisted SynRM
Issue 08, 2024 download preview

LI Wei，LUO Cheng，YANG Kai，WANG Xuming，QIU Lingfeng，HUANG Yuhao

Abstract：When the permanent magnet assisted synchronous reluctance motor（PMaSynRM）runs at highspeed with flux-weakening control，the DC bus voltage utilization is not high，and the efficiency and torque output capacity of the motor are low. Therefore，a flux-weakening control strategy of permanent magnet assistedsynchronous reluctance mot...更多
Linear Active Disturbance Rejection Power Decoupling Control Method for BDFM
Issue 08, 2024 download preview

WANG Xuming，LUO Cheng，XIONG Zhi，YANG Kai，XU Zhijie，LI Yinbin

Abstract：In response to the complex working environment of pumped storage energy units，wheredisturbances such as temperature variations are prominent，and considering the insufficient control precision oftraditional vector control for brushless doubly-fed machine（BDFM），a study was conducted on a control strategybased on linear active di...更多
Adaptive Control Strategy for Energy Storage Systems Based on Crisscross Optimization Algorithm
Issue 04, 2024 download preview

REN Xuan，CHEN Tong，DONG Lizhi，HUANG Lingtong，ZHANG Mingxia

Abstract：When a large number of energy storage devices are integrated into the power grid through a virtualsynchronous generator（VSG），improper selection of control parameters in traditional fixed inertia and dampingcontrol strategies can lead to long adjustment times or large overshoot，and fail to fully leverage the flexibleadvantages ...更多
Mechanism-data-fusion-driven Fault Diagnosis Method for Interconnected Conversion Systems
Issue 04, 2024 download preview

SHI Liguo，LI Yanzhen，LI Yuanfu，GUAN Xuelin，XU Zhigen，ZHANG Mingyuan

Abstract：Three-level neutral-point-clamped（3L-NPC）interconnected converters have been widely used inthe AC-DC hybrid distribution grids due to their superiorities of large capacity and high power quality. However，their working conditions are always with high power，varying load，and limited heat dissipation，etc.，with a highopen-circuit f...更多
Frequency Domain Modeling and Design of Current Source Type Dual Active Bridge High-frequency Link for Flexible Interconnection
Issue 04, 2024 download preview

HU Yujie，ZHU Shenglong，WU Shaolei，FENG Yu，WANG Ming，LOU Wei

Abstract：The flexible DC interconnection of medium and low voltage can improve the flexibility andreliability of the distribution network，and the dual active bridge converter is a key link in achieving voltageconversion and electrical isolation in flexible interconnection equipment.The current source resonant dual activebridge utilizes...更多
DC Voltage Fluctuation Suppression Strategy of Flexible Interconnected Device Based on Torricelli Poin
Issue 04, 2024 download preview

ZHOU Qi，WANG Chenqing，KONG Xiangping

Abstract：Considering that the problem of voltage fluctuations on the DC side caused by the three-phaseimbalance of the AC grid of the flexible interconnection device，a DC voltage fluctuation suppression strategy forflexible interconnection device based on the Torricelli point was proposed. Firstly，by defining the Torricelli pointof the...更多
FMSS Positive and Negative Sequence Current Compensation VSG Control When Three-phase Voltage Imbalance Occurs in the Power Grid
Issue 04, 2024 download preview

WANG Zhengqi，WEI Wei

Abstract：Flexible multi-state switch（FMSS） is a new type of power electronic device that replacestraditional tie switches and is applied to modern distribution networks. It can optimize the consumption andregulation of distributed power sources in modern distribution networks. The FMSS controlled by VSG is notaffected by the deteriorat...更多

Sensorless Control of PMSM Based on Fuzzy Full⁃order Sliding Mode Observer
Issue 07, 2024 download preview

YU Hui，ZHOU Shigui ，MA Feihong，ZHANG Kecheng

Abstract：Permanent magnet synchronous machines（PMSM）has serious chattering problem when traditionalsliding mode observer（SMO）is applied to low-speed operation with fixed sliding mode gain. To solve thisproblem，a full-order sliding mode observer（FSMO）with fuzzy adaptive adjustment of sliding mode gain wasproposed，which can improve the c...更多
Chaos Research of H-bridge Inverter Based on Active Disturbance Rejection Control
Issue 07, 2024 download preview

MAYoujie，HE Xiaoyu，ZHOU Xuesong，ZHANG Chao

Abstract ：To solve the chaos problem of inverter in new energy generation system，a regulation scheme ofH-bridge inverter based on active disturbance rejection contro（l ADRC）was proposed. Aiming at the phenomenon of poor steady-state and dynamic characteristics of inverters in chaotic state，a discrete model of the inverter wasdeveloped ...更多
Monitoring Technique Research of Current Mismatch in Parallel SiC Devices for Photovoltaic Inverters
Issue 07, 2024 download preview

SONG Weiqiong，GUO Shuai，HAN Liu，XU Chaoqun，SONG Wei，LÜ Fengming

Abstract：In order to monitor current distribution state of parallel silicon carbide（SiC）devices in photovoltaicinverter，a contactless monitoring solution based on anisotropic magnetoresistive sensor was proposed. Accordingto practical position of SiC devices on PCB board，multiphysics simulation tool COMSOL was employed toanalyze magnet...更多
Research of Ultra Wide Input DC-DC Module for Smart Measurement Switch Application
Issue 07, 2024 download preview

FANG Lei，CHU Chengbo，ZHU Xiaojing，HE Yinghong，YANG Huimin

Abstract：In order to address the issue of large output voltage variation from self-powered current transformerin smart measurement switch，ultra wide input voltage range post-stage DC-DC module is required to generatestable system voltage rails. A ultra wide input DC-DC module based on constant on-time control and asynchronousBuck circu...更多
Measuring Steady Junction-Case Thermal Resistance of GaN Power Devices
Issue 07, 2024 download preview

ZHAO Hao，LU Jinke，ZHU Yidi，ZHOU Ziniu，DU Weixi

Abstract：Junction-case thermal resistance has always been a highly concerned thermal parameter of powersemiconductor devices，which is also the standard to weight the heat sink performance of power semiconductordevices. Heat-sink design should be considered in order to prevent device overheating damage. Therefore，accuratemeasurement of ...更多
Customized Charging Strategy for EV Considering Dynamic Electricity Prices
Issue 07, 2024 download preview

ZHOU Yufan，GAO Hui，LONG Yi

Abstract：To cope with the impact of electric vehicle（EV）charging loads on the power grid and achieve abalance of interests between the power grid，charging station and users，a customized charging strategy for EVs that takes dynamic electricity prices into consideration was proposed. Initially，the dynamic pricing mechanism wasdesigned fo...更多
Research on Ship Multi Time Scale Energy Management System
Issue 07, 2024 download preview

CHEN Shaoxia，JIN Xinru，YAO Gang，ZHANG Jiajie，FAN Jia

Abstract：In recent years，with the increasing shortage of energy，the ship power system is transitioningtowards new energy upgrading. However，the uncertainty of new energy output has also brought new challenges tothe economic and safe operation of the system. Therefore，traditional ship energy management is no longerapplicable，and there i...更多
Abnormal Parameters Identification and Location Method of Distribution Network Line Based on Smart Meter Measurement
Issue 07, 2024 download preview

JIANG Yehai，JIAO Hao，CHEN Zhi，MA Jiayang ，LI Bin

Abstract：To improve the quality of power distribution network parameters，an abnormal parameteridentification and localization method for distribution networks based on smart meter measurements was proposed.The method transformed the nonlinear identification equation solving problem in traditional identificationalgorithms into the infer...更多
Research on LVRT Control Strategy of Combined Grid-connected System with New Energy- Energy Storage Based on Grid-forming Converters
Issue 07, 2024 download preview

GUO Jiajun，XU Zhi，ZHAI Baoyu，CHEN Yutian，CHEN Junru

Abstract：Aiming at the low voltage ride through（LVRT）problem of the combined grid-connected systemwith new energy-energy storage under the control of the grid-forming converter，an additional voltage limitercontrol scheme based on the traditional LVRT was proposed. Firstly，the shortcomings of the traditional LVRTstrategy based on curren...更多
Fault Identification Simulation of Distribution Network Based on Digital Twin with Local Abnormal Factors
Issue 07, 2024 download preview

LIANG Haisheng

Abstract：In order to further improve the accuracy of fault identification of local abnormal factors indistribution network，a digital twin based fault identification simulation of local abnormal factors in distributionnetwork was proposed. Through real-time acquisition of electrical parameters of distribution network operation andprepro...更多