January 23，from the Graduate School of Shandong University、Hosted by the Graduate Work Department of the Party Committee，The first issue of 2024 (Total 1338), hosted by the School of Electrical Engineering, was held in the lecture hall on the fourth floor of the Electric Power Building of Qianfoshan Campus。This forum invites Gilbert TeysSèdre，The theme of the lecture is "Challenges for Insulating Materials in HVAC and HVDC Cables"。The forum is chaired by Associate Professor He Dongxin，Associate Professor Gong Jinlin、Associate Professor Jin Chaoyang、Ren Fuqiang Associate M88 games apkResearcher、M88 games apkInternational Exchange Commissioner Wu Ke attended this event。

The lecture mainly revolves around the insulation cable in the grid、Electronics and related phenomena and challenge three parts，systematically introduced the challenges faced by high -voltage AC and DC transmission cable insulation materials。First，Gilbert TeysSèdre through the power grid needs、High -voltage cable technology and the historical perspective of cable insulation introduced the insulation cables in the grid。He pointed out，High -voltage DC transmission technology is a response to the demand of the grid，High -voltage AC system features are high -efficiency transformers and loss cables; high -voltage DC systems are characterized by damaged flowers and high -efficiency cables。Compared with AC cables，DC cable can be used in the design field of higher voltage levels。He compared the main types of the two high -voltage cables as of now -oil paper insulation cables and extruded insulating M88 games apkcables，Oil paper insulation cable M88 Online Live Casinotechnology is very mature，Service reliability is very high，can be large capacity、Long distance for underwater and land transmission; while squeezing insulating cables have higher conductor temperature (90 ° C)、Lighter moisture -proof layer、More easier to connect，and can reduce the insulation loss and increase the length of the system (without hydraulic restrictions)。

Then Gilbert TeysSèdre introduced the electronics and related phenomena，Including a macro response of the electrical media、charge transport attributes、Phenomenon in the charge of insulation space。Electricity is a material that can polarize、Materials that can store static energy，It is also an insulator。When combining materials (or media) together，The electric field will be re -allocated according to the conductivity (high electrical fields with high resistance) or the dielectric constant (higher in the material in the material with a low dielectric constant)，Generally speaking，m88 sports bettingSolid insulation material requires m88 com live casino registera low -agent constant。In macro behavior，D dielectric constant、Losses and conductivity will have different effects on the stress distribution in the insulation。Trap is the basic feature of transportation in the insulation material，It includes physical traps and chemical traps。After that, the two methods of thermalology and acoustic science introduced the space charge measurement technology。Last，Gilbert TeysSèdre from the overall trend、Accessories design and improved insulation materials introduced the challenges faced by future cables and attachments。

Event last，Participating teachers and classmates take photos together。This issue of "His Majesty" Graduate Academic forum is successfully ended in the warm applause of teachers and students。

Reporter profile:

Gilbert Teysansèdre，Senior Researcher of the National Science Research Center of France，Research work mainly engaged in the field of solid insulation m88 live casino gamesspace charges and deterioration m88 live casino gamesmechanisms，From 2003 to 2015, he served as the Laplace Laboratory LaPlace Laboratory Laboram's solid electrical medium and reliability (Solid Dielectrics and Reliability Group , DSF) Director of the Research Team、Member of the Academic Committee of Laplace Laboratory at the University of Toulouse, France。He has served as a member of the European Space and Aviation Science and Technology Network Technology Guidance Committee from 2012，and served as the heads of many EU and French key scientific research projects。