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Research and Application of V/F-based Intelligent Multiplex Data-collecting System & Serial Communication

Jia Guixi,Li Hongfeng,Qi Wei

Strategic Study of Chinese Academy of Engineering 2004, Volume 6, Issue 11, Pages 58-62

Abstract: It uses AD620 amplifier to magnify signals, LM331 voltage-frequency transformer to transform electricity

Keywords： voltage-frequency transformer LM331 Visual Basic6.0 serial communication

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Solid-state transformer-based new traction drive system and control

Jianghua FENG, Jing SHANG, Zhixue ZHANG, Huadong LIU, Zihao HUANG

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 3, Pages 411-426 doi: 10.1007/s11465-018-0467-0

Abstract:

A new type of traction drive system consisting of solid-state traction transformer (SSTT), inverterimproving efficiency and grid-side power quality, an efficient SSTT optimized topology combining high-voltagecascaded rectifiers with high-power high-frequency LLC resonant converter is proposed.system, the mathematical model of secondary power transfer is built, and the mechanism of pulsating voltageresulting in beat frequency of LLC resonant converter is revealed, so as to design optimum matching

Keywords： solid-state traction transformer high-voltage cascaded rectifier LLC resonant converter synchronous rotatingreference frame carrier-interleaving phase shift control secondary pulsating voltage beat frequency

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Parameter identification of interconnected power system frequency after trip-out of high voltage transmission

Xuzhan ZHOU,Shanshan LIU,Mingkun WANG,Yiping DAI,Yaohua TANG

Frontiers in Energy 2014, Volume 8, Issue 3, Pages 386-393 doi: 10.1007/s11708-014-0323-9

Abstract: Accurate modeling and parameters of high voltage (HV) grid are critical for stability research of systemfrequency.In this paper, simulation modeling of the system frequency was conducted of an interconnected power system

Keywords： high voltage (HV) grid frequency stability parameter identification primary frequency regulation (PFR

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Dependence of error sensitivity of frequency on bias voltage in force-balanced micro accelerometer

Lili CHEN, Wu ZHOU

Frontiers of Mechanical Engineering 2013, Volume 8, Issue 2, Pages 146-149 doi: 10.1007/s11465-013-0260-z

Abstract:

To predict more precisely the frequency of force-balanced micro accelerometer with different biasvoltages, the effects of bias voltages on error sensitivity of frequency is studied.The resonance frequency of accelerometer under closed loop control is derived according to its operationand DC bias voltage on sensitivity, respectively.of accelerometer with no need to consider the influence of bias voltage.

Keywords： Micro-Electro-Mechanical Systems (MEMS) micro accelerometer force-balanced micro accelerometer frequency

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Series transformer based diode-bridge-type solid state fault current limiter

Amir HEIDARY,Hamid RADMANESH,Seyed Hamid FATHI,G. B. GHAREHPETIAN

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 9, Pages 769-784 doi: 10.1631/FITEE.1400428

Abstract: We propose a novel series transformer based diode-bridge-type solid state fault current limiter (SSFCLcontrol the fault current, a series RLC branch is connected to the secondary side of an isolation series transformerswitch (insulated-gate bipolar transistor, IGBT) and L remains connected to the secondary side of the transformerThen, by controlling the magnitude of the DC reactor current, the fault current is reduced and the voltageconnected in parallel with the IGBT, serves as a snubber circuit for decreasing the transient recovery voltage

Keywords： Solid state fault current limiter (SSFCL) Power quality Voltage sag Point of common coupling (PCC) Isolation transformer

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Power quality investigation of a solar PV transformer-less grid- connected system fed DVR

Akhil GUPTA,Saurabh CHANANA,Tilak THAKUR

Frontiers in Energy 2014, Volume 8, Issue 2, Pages 240-253 doi: 10.1007/s11708-014-0322-x

Abstract: This paper presents a single stage transformer-less grid-connected solar photovoltaic (PV) system withIn the absence of active input power, the grid-tied voltage source converter (VSC) is operated in a reactivepower generation mode, which powers the control circuitry, and maintains a regulated DC voltage to theThe MPPT tracks the actual variable DC link voltage while deriving the maximum power from the solar PVarray, and maintains the DC link voltage constant by changing the modulation index of the VSC.

Keywords： data-based maximum power point tracking (MPPT) total harmonic distortion (THD) proportional integral control voltage

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Well-being analysis of GSU transformer insulation incorporating the impact on power generation using

Alagarsamy KRISHNAVEL, Dusmata Kumar MOHANTA, M. Jaya Bharata REDDY

Frontiers in Energy 2013, Volume 7, Issue 3, Pages 288-299 doi: 10.1007/s11708-013-0265-7

Abstract: The unexpected failure of generator step-up (GSU) transformer is especially a major disturbance in theThe healthy state of the GSU transformer has to be ensured to minimize the loss of power generation.As the predication related to failure of a GSU transformer is associated with some uncertainties, a fuzzyemployed in this paper along with actual field data and case studies for the well-being analysis of GSU transformer

Keywords： generator step-up (GSU) transformer well-being analysis dissolved gases in oil analysis (DGA) tan delta(TD) sweep frequency response analysis (SFRA) fuzzy inference system (FIS)

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Energy-aware scheduling with reconstruction and frequency equalization on heterogeneous systems

Yong-xing LIU,Ken-li LI,Zhuo TANG,Ke-qin LI

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 7, Pages 519-531 doi: 10.1631/FITEE.1400399

Abstract: In this paper, we propose an energy-aware scheduling algorithm with equalized frequency, called EASEFFinally, it adopts a progressive way to equalize the frequency of tasks to reduce the total energy consumption

Keywords： Directed acyclic graph Dynamic voltage scaling Energy aware Heterogeneous systems Task scheduling

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A novel algorithm for frequency dependent modeling of ferrite ring and its optimum design to study VFTO

Mehrdad MAJIDI, Hamid JAVADI, Moein MANBACHI

Frontiers in Energy 2014, Volume 8, Issue 1, Pages 90-100 doi: 10.1007/s11708-013-0286-2

Abstract: The main advantage of this paper is its new proposed algorithm according to the ferrite ring frequency

Keywords： comsol multiphysics EMTP-RV ferrite ring gas insulated substations (GIS) transient over-voltage insulation

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Interaction behavior and load sharing pattern of piled raft using nonlinear regression and LM algorithm-based

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 5, Pages 1181-1198 doi: 10.1007/s11709-021-0744-6

Abstract: ANN models are prepared with Levenberg–Marquardt (LM) algorithm for load sharing and interaction factors

Keywords： interaction load sharing ratio piled raft nonlinear regression artificial neural network

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Analysis and design of transformer-based CMOS ultra-wideband millimeter-wave circuits for wireless applications Review Articles

Yi-ming YU, Kai KANG

Frontiers of Information Technology & Electronic Engineering 2020, Volume 21, Issue 1, Pages 97-115 doi: 10.1631/FITEE.1900491

Abstract: In this paper, four transformer-based ultra-wideband mm-Wave circuits demonstrated in CMOS technologiesFirst, we introduce a mm-Wave low-noise amplifier with transformer-based Gm-boosting and pole-tuninginjection-current-boosting tech-nique which can significantly increase the locking range of mm-Wave injection-locked frequencyBased on the injection- locked principle, we also discuss an ultra-wideband mm-Wave divider with the transformer-basedFinally, an E-band up-conversion mixer is presented; using the two-path transconductance stage and transformer-based

Keywords： CMOS Millimeter-wave (mm-Wave) Ultra-wideband Transformer Low-noise amplifier Injection-locked fre-quencytripler Injection-locked frequency divider Mixer

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A Cell Condition-Sensitive Frequency Segmentation Method Based on the Sub-Band Instantaneous Energy Spectrumof Aluminum Electrolysis Cell Voltage Article

Zhaohui Zeng, Weihua Gui, Xiaofang Chen, Yongfang Xie, Hongliang Zhang, Yubo Sun

Engineering 2021, Volume 7, Issue 9, Pages 1282-1292 doi: 10.1016/j.eng.2020.11.012

Abstract:

Cell voltage is a widely used signal that can be measured online from an industrial aluminum electrolysisIn this paper, the frequency segmentation of cell voltage is used as the basis for designing filtersBased on the qualitative analysis of the cell voltage, the sub-band instantaneous energy spectrum (SIEPbands of the cell voltage under various cell conditions.band within the effective frequency band of the cell voltage.

Keywords： Sub-band instantaneous energy spectrum Cell condition-sensitive frequency band Frequency segmentation

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A new variable-mode control strategy for LLC resonant converters operating in a wide input voltage range Article

Hui-pin LIN,Xiao-guang JIN,Liang XIE,Jin HU,Zheng-yu LU

Frontiers of Information Technology & Electronic Engineering 2017, Volume 18, Issue 3, Pages 410-422 doi: 10.1631/FITEE.1600029

Abstract: variable-mode control strategy that is applicable for LLC resonant converters operating in a wide input voltageadvantages from full-bridge LLC resonant converters, half-bridge LLC resonant converters, variable-frequencyWhen the input voltage is very low, it works in a full-bridge circuit and variable frequency mode (FB_VFWhen the input voltage rises to a certain level, it shifts to a full-bridge circuit and phase-shiftingWhen the input voltage further increases, it shifts into a half-bridge circuit and variable frequency

Keywords： LLC Full bridge Half bridge Variable frequency Phase shift Wide input voltage range

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Recent advances toward high voltage, EC-free electrolytes for graphite-based Li-ion battery

Tong Zhang, Elie Paillard

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 3, Pages 577-591 doi: 10.1007/s11705-018-1758-z

Abstract: In the last years, many alternative electrolytes, aiming at allowing high voltage battery operation,Thus, we review here the high voltage, EC-free alternative electrolytes, focusing on those allowing the

Keywords： lithium-ion electrolyte solid electrolyte interphase additives high voltage graphite

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Analysis and stabilization control of a voltage source controlled wind farm under weak grid conditions

Frontiers in Energy 2022, Volume 16, Issue 6, Pages 943-955 doi: 10.1007/s11708-021-0793-5

Abstract: the wind turbines (WTs) are controlled by a new type of converter control strategy referred to as the voltageTo this end, a frequency domain model of the wind farm under the VS control is first developed.

Keywords： weak grids voltage source (VS) control wind turbine (WT) stabilization control wind farm inertial

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Title Author Date Type Operation

Research and Application of V/F-based Intelligent Multiplex Data-collecting System & Serial Communication

Jia Guixi,Li Hongfeng,Qi Wei

Journal Article

Solid-state transformer-based new traction drive system and control

Jianghua FENG, Jing SHANG, Zhixue ZHANG, Huadong LIU, Zihao HUANG

Journal Article

Parameter identification of interconnected power system frequency after trip-out of high voltage transmission

Xuzhan ZHOU,Shanshan LIU,Mingkun WANG,Yiping DAI,Yaohua TANG

Journal Article

Dependence of error sensitivity of frequency on bias voltage in force-balanced micro accelerometer

Lili CHEN, Wu ZHOU

Journal Article

Series transformer based diode-bridge-type solid state fault current limiter

Amir HEIDARY,Hamid RADMANESH,Seyed Hamid FATHI,G. B. GHAREHPETIAN

Journal Article

Power quality investigation of a solar PV transformer-less grid- connected system fed DVR

Akhil GUPTA,Saurabh CHANANA,Tilak THAKUR

Journal Article

Well-being analysis of GSU transformer insulation incorporating the impact on power generation using

Alagarsamy KRISHNAVEL, Dusmata Kumar MOHANTA, M. Jaya Bharata REDDY

Journal Article

Energy-aware scheduling with reconstruction and frequency equalization on heterogeneous systems

Yong-xing LIU,Ken-li LI,Zhuo TANG,Ke-qin LI

Journal Article

A novel algorithm for frequency dependent modeling of ferrite ring and its optimum design to study VFTO

Mehrdad MAJIDI, Hamid JAVADI, Moein MANBACHI

Journal Article

Interaction behavior and load sharing pattern of piled raft using nonlinear regression and LM algorithm-based

Journal Article

Analysis and design of transformer-based CMOS ultra-wideband millimeter-wave circuits for wireless applications

Yi-ming YU, Kai KANG

Journal Article

A Cell Condition-Sensitive Frequency Segmentation Method Based on the Sub-Band Instantaneous Energy Spectrumof Aluminum Electrolysis Cell Voltage

Zhaohui Zeng, Weihua Gui, Xiaofang Chen, Yongfang Xie, Hongliang Zhang, Yubo Sun

Journal Article

A new variable-mode control strategy for LLC resonant converters operating in a wide input voltage range

Hui-pin LIN,Xiao-guang JIN,Liang XIE,Jin HU,Zheng-yu LU

Journal Article

Recent advances toward high voltage, EC-free electrolytes for graphite-based Li-ion battery

Tong Zhang, Elie Paillard

Journal Article

Analysis and stabilization control of a voltage source controlled wind farm under weak grid conditions

Journal Article

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