Multi -source Dutch Reserve Large -scale access to DC Flexible Power Fair，will completely subvert the traditional grid in the pattern and structure，Introduction of harmonic distortion、Voltage fluctuations、Flash Change、Electric energy quality disturbances such as imbalance。In -depth interaction of source network loads，Electric energy quality disturbance in the system is in the source、Output features、Communication path、Interaction method has new features in the new situation。So，Study on disturbance dissemination and disturbance identification，The interaction of the decoupled source network load storage，Tarming analysis and comprehensive assessment of multi -type electrical energy quality disturbance，Establish an early warning mechanism。The results of this field will be presented in the form of establishment of a M88 Online Live Casinopassing DC hybrid distribution grid electric energy quality disturbance analysis and evaluation platform。

m88 com live casino register1：distributed photovoltaic and load harmonic modeling and characteristic analysis

Background meaning:Harmony Source types of power distribution system、Number of quantity increased，Harmony coupling and mutual impact cannot be ignored

Research content:Distributed photovoltaic、Better Load Dynamic Model，Put forward the efficient modeling method of considering the harmonic coupling relationship，The top -down collection power distribution system harmonic model，Construction of a collection load harmonic model that considers the system when considering the system。

Scientific research innovation:Establish a collection load through top -down，Accurate simulation distributed photovoltaic and integrated load harmonic time change and probability characteristics，Accurate and fast evaluation of the power distribution system。

Research content2：Harmony source positioning and responsibility assessment of the source of the source grid

Background meaning: Electric energy quality disturbance is complex and changeable，Harmony traceability is an important prerequisite for harmonic governance

Research content:Establish m88 com live casino registera new idea of ​​harmonic impedance based on measured data，Create a single harmonic source、Concentrated style/Disposter multi -harmonic source responsibility division areas of the method of sustainable research and land application method theoretical system，Realize the traceability and accurate positioning of electric energy quality pollution

Scientific research innovation:Simultaneous perception based on wide -area panorama，Extract disturbance features，Improve the traditional disturbance source identification and responsibility assessment method，Advanced application of in -depth excavation of disturbing signals，Put forward a targeted governance method

Research content3：Distributed photovoltaic grid -grid system Resonance mechanism research

Background meaning: Multi -inverter coupling interaction in the distributed photovoltaic grid -connected system，System resonance mechanism is more complicated，Resonant special factors are affected by multiple factors

Research content:Established a grid -connected inverter impedance model and grid system node guidance model considering multi -scenario applications，Derivative parallel network current mathematical expression derived the interaction M88 Online Live Casinoof multi -grid unit interactions。Based on modal analysis method, the influence mechanism of multiple influencing factors on the resonance of the grid -up system。

Scientific research innovation:Establish an impedance model of current control type and voltage control type multi -scenario and mesh inverter，and analyzed the resonance characteristics of the grid system containing multi -type inverter interactive coupling，Determine the leading factors of the resonance characteristics of the grid system。

Research content4：Distributed photovoltaic access to the distribution network loss optimization

Background meaning: Lack of analysis and optimization method of distribution network loss considering harmonic network loss

Research content:Research on the access position of distributed photovoltaic -based photovoltaic -type computing methods based on simplified equivalent circuits and trend computing methods、The effect of capacity and power factor on the power distribution network damage，Establishing the value of the harmonic loss of the power distribution network，Analyze the key node voltage of distributed photovoltaic grid -connected network、Random problems of branch loss，Studies Considering the optimal photovoltaic configuration m88 sports bettingscheme with random power distribution network loss of photovoltaic power。

Scientific research innovation:Target with the optimal or maximization of grid -meter -to -grid optical capacity with power distribution network，Using the power grid indexes of the alignment rate constraints as opportunities，Using dynamic simulation methods or mathematical optimization methods to solve。