A5101531526- Microgrid Control and Optimization
- Advanced DC-DC Converters
- Electric Motor Design and Analysis
- Power Systems and Renewable Energy
- Advanced Battery Technologies Research
- HVDC Systems and Fault Protection
- Smart Grid Energy Management
- Silicon Carbide Semiconductor Technologies
- Magnetic Bearings and Levitation Dynamics
- High-Voltage Power Transmission Systems
- Multilevel Inverters and Converters
- Electric Vehicles and Infrastructure
- Induction Heating and Inverter Technology
- Advanced Sensor and Control Systems
- Power Systems and Technologies
- Smart Grid and Power Systems
- Electromagnetic Compatibility and Noise Suppression
- Integrated Energy Systems Optimization
- Underwater Vehicles and Communication Systems
- Water Quality Monitoring Technologies
- Industrial Technology and Control Systems
- Cardiovascular, Neuropeptides, and Oxidative Stress Research
- Chaos control and synchronization
- Power Quality and Harmonics
- Hematological disorders and diagnostics
China Electric Power Research Institute
2014-2024
North China Electric Power University
2014-2024
Taiyuan University of Technology
2008-2024
Karlsruhe Institute of Technology
2021
State Grid Corporation of China (China)
2020
Harbin Medical University
2016
Hainan Medical College Hospital
2015
China Electronic Information Industry Development
2014
Shandong University
2009
Shandong Provincial Hospital
2009
Aiming at the low-voltage DC distribution network system and combining characteristics of F2F structure ISOP-DAB transformer, this paper proposes a transformer based on modular multilevel converter (MMC) cascaded H-bridge. First all, analyzes several different cases. <xref ref-type="other" rid="other1" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">Case 1</xref> type equal carrier-phase-shift pulse-width modulation (CPS-PWM) MMC, which can produce...
Power electronic transformer (PET) is an emerging new type of power converter in recent years. It has not only the basic functions transformation and isolation, but also extra quality control. A novel electronics for distribution system named flexible unit proposed this paper, energy exchange mechanism between network load revealed. Finally, a 100kW 600Vac/220Vac/110Vdc medium frequency isolated prototype developed demonstrated laboratory. The experimental results show that structure control...
With increasingly serious of the power quality problem for distribution grid, traditional approach is that installing DFACTS equipment such as filters, regulators, controllers, and compensators between transformer loads, which makes grid more complex. The energy router key Energy-Internet based on electronic technologies information technologies. deemed to a new direction next generation smart grid. paper focuses using improve in proposes main circuit topology core module. simulation model...
As a clean and renewable energy source, wave is of great significance in solving primary shortages environmental pollution. Direct-drive power systems consisting linear generators have attracted the attention researchers from various countries. Linear Switched Reluctance Generator has advantages simple structure, sturdiness, reliable operation, suitable for harsh environments, easy maintenance, aiming at problem single-sided magnetic pull force serious coupling phase winding traditional...
Solid State Power electronic transformer (PET) is an emerging new type of power converter in recent years. It has not only the basic functions transformation and isolation, but also extra quality control. This paper presents key control strategies solid state PET for electrical distribution system application, especially under voltage disturbance conditions. Several critical grid disturbances are generated by a source based on three phase PWM inverter. And prototype tested passed ride...
With a growing number of DG accessing to distribution grid, there were increasingly serious the power quality problem. The traditional approach is that installing DFACTS equipment such as filter, regulator, controller, and compensator between transformer load, which makes grid more complex. This paper focuses on applying electronic improve active grid. proposes main circuit topology control strategy transformer. simulation model had also been established Matlab/Simlink. results show not only...
With the rapid development of energy internet and also power electronics, intelligent electronic transformer, transformer router have been proposed, which provide basis for internet. This paper presents a Flexible Power Distribution Unit (FPDU) The concept, functions, specific classification, application examples FPDU are studied. reference model interconnect based on Cyber Physical Systems (CPS) is proposed. Furthermore, four key technologies including port plug play access, multi-port...
As the proportion of new energy in power systems continues to increase, widespread use solar and wind-based distributed generation (DG) DC distribution networks will face problems such as consumption, grid stability, economical benefits future. At present, management strategies for photovoltaic (PV) grid-connected are mainly researched field AC–DC network. This paper provides an advanced strategy multiport router. Considering battery state charge (SOC), real-time electricity price (EP),...
With the rapid development of high voltage direct current (HVDC) transmission technology, it is necessary to assess reliability converter valve under different working conditions. In this paper, state 6-pulse divided into commutation period and non-commutation period. Two-phase short circuit brought by over-voltage impact will bring severe damages especially The influence HEMP on operation studied. also called altitude nuclear electromagnetic pulse contains harmonics with frequencies. huge...
A self-powered wireless ultrasonic flow sensor system has been designed and developed from a level approach in this paper. By using small-sized hydroelectric generator as the source of power for commercial low microcontrollers, energy harvesting circuitry, GPRS transmitters, is capable detecting water pipelines network. major feature its power-management unit, able to recharge batteries with harvested installed pipelines. It allows sustain operation general-purpose acquisition device remote...
In this paper, the research status of topology and control strategy energy storage grid-connected system is analyzed, aiming at working characteristics repurposed battery, a cascade power electronic transformer (CPET) with independent DC output proposed. The principle current fed isolated bidirectional DC-DC converter (CF-IBDC) cascaded H-bridge (CHB) decoupling designed. hierarchical designed for battery (RBES) based on CPET, which consists three layers: layer, state charge (SOC) layer....
A new approach of design and research for switched reluctance planar motor (SRPM) was explored in this essay. With the software Solidworks virtual prototype simulation technique, three dimensions SRPM is designed, statics dynamics FEA analysis were performed; deformation displacement, stress distribution, natural frequency mode are calculated under different guiding devices. Via technology computer data transfer transmission, it realized transmission between ADAMS (Automatic Dynamic Analysis...
In the design and application of ultrasonic atomizer, resonant frequency vibration mode piezoelectric transducer have an effect on working state atomization atomizer. order to deeply study ceramic atomizer Vibration characteristics, coupling simulation analysis was performed by ANSYS software, multi-order sheet obtained modal method, combined with harmonic response obtain sheet, influence main size atomized mode. According theoretical experimental tests, effectiveness finite element can be...
DC power grid provides a solution for long-distance transmission and wide-area consumption of large-scale renewable energy. The DC/DC converter is an important device in the grid, which can interconnect multiple lines different voltage levels. This paper proposes easy-to-implement modular multi-port high-voltage high-power converter. proposed topology does not require large-capacity transformer or large inductance filter on output side, it has fault current suppression function as well...
As a result of distributed energy development, the demand for storage grows more rapidly. The optimization allocation is urgently needed. economic benefits and characteristics have been thoroughly explored, mathematical model economy was established. centralized configuration can make best use surplus electricity reduce charging loss. peak cutting valley filling effect quite obvious. Furthermore, some strategies were proposed. Based on data user-side transformer photovoltaic power...
With the development of third generation wireless communications technology, application fields GPRS (General Packet Radio Service) are expanding. The data collection and technology form acquisition launch systems. It is widely used in water, electricity, gas other auto-detection In this paper, two parts included. hardware design part, communication module G200, switch R4050, analog R4017 used, attaching TTL-RS485 adapter plate, TTL-RS232 plate +12 V, +5 V power supply modules. They together...
Urban energy consumption plays an important role in national consumption, and the particularity of city its status as center determine core position transformation urban production consumption. This article first clarifies smart system that should be current technological environment, then based on intersection Internet concept, Comparing "generation-grid-load-storage" operation model Energy to system, Completed "source-grid-load-storage" system. Considering participation a large number...
Aiming at the problems of large greenhouse environment, such as range, amount data and complex communication cables, a sensor network based on long distance, low power consumption wireless transmission technology was designed. Sensor system optimally designs size LoRa terminal node, reduces node. On basis self-organizing network, strategy time division multiple access multiplexing technology(TDMA) is adopted to reduce probability channel collision in improve reliability utilization while...