Under the access to flexible loads such as high -permeability and electric vehicles for new energy，The performance requirements of the energy transformation link are proposed new challenges。
This team conducts research on the core equipment of DC energy converters，Methods of high -efficiency digital twins、Multi -operating conditions under the condition、Performance improvement technology such as multi -dimensional variable coordinated control technology，and developed a high -power energy converter prototype。The team will give play to the flexibility advantage of the transformer，Realize the high -efficiency and reliable operation of the DC output power distribution system。
m88 live casino games1：Broad -power DC energy converter broad -state steady -state model
Background meaning: The internal electrical volume interactive coupling of the high -power traffic DC energy converter is complicated and difficult to analyze
Research Content:Analyzed the interactive coupling relationship of the internal electrical volume of the current conversion，Director of mathematical expression described the characteristics of the electrical time m88 com live casino registerdomain transformation，Establishing an unknown solution method based on energy balance equivalent。
Scientific research innovation:It proposed a broad -minded steady -state model modeling method of high -power trading and DC energy converters，Calculating error is less than 5th，Analysis of running operator、Parameter design、Performance optimization provides a research basis。
Research content2：Three port modular multi -level stream replacement low voltage bipolar balance
Background meaning: The three port modular multi -level stream replacement lacks the low -voltage DC bidial bipolar balance method without changing the middle pressure state
Research Content:Analysis of the low -voltage DC power balance and bridge arm voltage、Corresponding relationship of medium pressure power，Create a mathematical model of the two -portal conversion dual -freedom of the two -port replacement.，Make the three -port conversioner can adjust the voltage distribution of the bridge arm through the sub -module to achieve the low -voltage DC side bipolar balance。
Scientific research innovation:Proposed a dual -freedom and co -mode coupling coupling of the three -port conversion derivative low -voltage DC balancing method，Eliminate the impact of low pressure imbalance on the mid -pressure system through the symmetrical wiring structure，Automatically adjust the bridge arm voltage output of the sub -module according to the low -voltage DC voltage and the medium -voltage power.，Realize the bipolar balance。
Research content3：New M88 Online Live Casinoenergy grid -connected flowers continuous operation and control technology
Background meaning: High -density wind/Light/Reserve and electric vehicles to access the city grid in large quantities，Change the traditional form of transmission and distribution
Research Content:The problem of renewable energy for the grid and the city，Starting from the potential application scenarios from urban source lotus，Control advantages of control based on grid -connected flowers，Control advantages of control based on grid -connected flowers，Put forward targeted control strategies。
Scientific research innovation:Proposal for targeted collaborative optimization control strategies for multi -type new energy grid coordination capabilities，Provide the theoretical basis for the optimization operation of the multi -type source lotus in the power grid。
Research content4：Multi -stage model prediction control
Background meaning: Traditional model prediction control design is complicated，Large calculation amount，It hinders its application in multiple target control systems。
Research Content:Analyzed the interactive coupling relationship of the internal electrical volume of the current conversion，derived discrete mathematics expression; while maintaining the exchanges of the communication side current accurately tracking，Based on a new circular suppression strategy to achieve circulation suppression。
Scientific research innovation:Multi -level model prediction control methods are proposed，This method retains the advantages of traditional model prediction control，and reduced itPiUse of the controller，significantly improved the system dynamic response speed，Provides m88 com live casino registerfeasible control methods for DC power supply。
Research content5：Next generation of large -capacity wind power generator power flow flow technology
Background meaning: Modular multi -level variables show huge potential in the field of Muwa -class wind energy conversion system based on permanent magnet synchronous generators。
Research Content:inD-QBased on the mathematical model of the framework，Comprehensive consideration of the electrical volume interaction between the modular multi -level stream and the permanent magnet synchronous motor，It proposed a modular multi -level stream -changing flow analysis method connected to the wind energy conversion system connected to the permanent magnet synchronous generator。
Scientific research innovation:Put a modular multi -level flowers steady -state analysis method connected to the wind energy conversion system based on permanent magnet synchronous generator，The parameter design of the modular multi -level conversion system used in the wind energy conversion system based on the permanent magnet synchronous generator provides the basis for the parameter design and operation optimization of operation。
Research content6：Method of the reduction of capacitance demand for high -power wind power converters
Background meaning: high -power wind power converter requires large capacitors，It will increase the cost and area of the flowers
Research Content:Analysis of the influencing factor of the capacitance voltage of the sub -module，I proposed a constant capacitor voltage ripple control method，The second harmonic component of the cycle current，Can inhibit the voltage ripple M88 Online Live Casinoof the sub -module capacitor。
Scientific research innovation:I proposed a constant capacitor voltage ripple control method，Compared with traditional methods，Sub -module capacitor voltage ripples reduced by 20 % ，can reduce the cost of the capacitor、volume and weight，Improve the economy of the runner's operation。
