BEGIN:VCALENDAR
VERSION:2.0
PRODID:IEEE vTools.Events//EN
CALSCALE:GREGORIAN
BEGIN:VTIMEZONE
TZID:Asia/Shanghai
BEGIN:STANDARD
DTSTART:19910915T010000
TZOFFSETFROM:+0900
TZOFFSETTO:+0800
TZNAME:CST
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BEGIN:VEVENT
DTSTAMP:20251117T153710Z
UID:F6D31370-041E-423B-BE43-946DE209FA67
DTSTART;TZID=Asia/Shanghai:20251029T140000
DTEND;TZID=Asia/Shanghai:20251029T160000
DESCRIPTION:This academic seminar\, delivered by Prof. Lothar H. Fickert fr
 om Graz University of Technology (TU Graz)\, provided an in-depth discussi
 on on the fundamental principles of power system behavior and the evolving
  protection requirements of modern grids. Grounded in the energy conservat
 ion law and Maxwell’s equations\, Prof. Fickert emphasized that power sy
 stems must maintain instantaneous energy balance\, and any deviation must 
 be counteracted immediately through appropriate control and protection mec
 hanisms.\n\nUsing the concept of the “Grid Expansion Triangle\,” he sy
 stematically analyzed the core factors governing grid safety and stability
 \, particularly under the increasing penetration of renewable energy. Key 
 challenges—such as fluctuating short-circuit levels\, reduced system ine
 rtia\, and the limitations of traditional overcurrent protection—were il
 lustrated through two representative case studies: neutral-grounding and f
 ault-handling under low short-circuit conditions\, and protection challeng
 es for inverter-based resources.\n\nTo address these issues\, Prof. Ficker
 t introduced several innovative solutions\, including low-voltage blocking
  overcurrent protection\, low-impedance-initiated distance protection\, an
 d a novel non-impedance-based distance protection algorithm\, supported by
  real-world test results that demonstrate improvements in sensitivity and 
 reliability.\n\nHe further highlighted the need for a bidirectional adapta
 tion paradigm—“protection systems adapted to the grid” and “the gr
 id adapted to protection systems”—as modern power systems transition t
 oward high-renewable\, high-power-electronic configurations. Emerging topi
 cs such as cyber-physical system security and adaptive grid protection arc
 hitectures were also emphasized as critical directions for future research
  and deployment.\n\nA lively discussion followed the presentation\, with a
 ctive participation from faculty members\, graduate students\, and invited
  experts.\n\nSpeaker(s): Lothar H. Fickert\n\nAgenda: \nAgenda (14:00-16:0
 0)\n\n14:00–14:05\nOpening remarks\nDr. Yinfeng Sun\, School of Electric
 al Engineering\, Northeast Electric Power University\n\n14:05–15:05\nAca
 demic Lecture\nProf. Lothar H. Fickert\, Graz University of Technology (Au
 stria)\nTopic: From Energy Fundamentals to Power System Requirements: Grid
  Design\, Safety\, and Protection\n\n15:05–15:50\nQ&amp;A and open discussio
 n\n(Faculty members\, postgraduate students\, and attendees)\n\n15:50–16
 :00\nClosing remarks and group photo\n\nRoom: A412\, Bldg: Electrical Engi
 neering Building\, Northeast Electric Power University\, School of Electri
 cal Engineering\, Jilin\, Jilin\, China\, 132012\, Virtual: https://events
 .vtools.ieee.org/m/515509
LOCATION:Room: A412\, Bldg: Electrical Engineering Building\, Northeast Ele
 ctric Power University\, School of Electrical Engineering\, Jilin\, Jilin\
 , China\, 132012\, Virtual: https://events.vtools.ieee.org/m/515509
ORGANIZER:liyangnedu@gmail.com
SEQUENCE:122
SUMMARY:Academic Seminar: From Energy Fundamentals to Power System Requirem
 ents — Grid Design\, Safety\, and Protection
URL;VALUE=URI:https://events.vtools.ieee.org/m/515509
X-ALT-DESC:Description: &lt;br /&gt;&lt;p data-start=&quot;184&quot; data-end=&quot;716&quot;&gt;This acade
 mic seminar\, delivered by &lt;strong data-start=&quot;239&quot; data-end=&quot;266&quot;&gt;Prof. L
 othar H. Fickert&lt;/strong&gt; from Graz University of Technology (TU Graz)\, p
 rovided an in-depth discussion on the fundamental principles of power syst
 em behavior and the evolving protection requirements of modern grids. Grou
 nded in the energy conservation law and Maxwell&amp;rsquo\;s equations\, Prof.
  Fickert emphasized that power systems must maintain instantaneous energy 
 balance\, and any deviation must be counteracted immediately through appro
 priate control and protection mechanisms.&lt;/p&gt;\n&lt;p data-start=&quot;718&quot; data-en
 d=&quot;1255&quot;&gt;Using the concept of the &lt;strong data-start=&quot;743&quot; data-end=&quot;773&quot;&gt;
 &amp;ldquo\;Grid Expansion Triangle\,&amp;rdquo\;&lt;/strong&gt; he systematically analy
 zed the core factors governing grid safety and stability\, particularly un
 der the increasing penetration of renewable energy. Key challenges&amp;mdash\;
 such as fluctuating short-circuit levels\, reduced system inertia\, and th
 e limitations of traditional overcurrent protection&amp;mdash\;were illustrate
 d through two representative case studies: &lt;strong data-start=&quot;1119&quot; data-
 end=&quot;1194&quot;&gt;neutral-grounding and fault-handling under low short-circuit co
 nditions&lt;/strong&gt;\, and &lt;strong data-start=&quot;1200&quot; data-end=&quot;1254&quot;&gt;protecti
 on challenges for inverter-based resources&lt;/strong&gt;.&lt;/p&gt;\n&lt;p data-start=&quot;1
 257&quot; data-end=&quot;1610&quot;&gt;To address these issues\, Prof. Fickert introduced se
 veral innovative solutions\, including low-voltage blocking overcurrent pr
 otection\, low-impedance-initiated distance protection\, and a novel non-i
 mpedance-based distance protection algorithm\, supported by real-world tes
 t results that demonstrate improvements in sensitivity and reliability.&lt;/p
 &gt;\n&lt;p data-start=&quot;1612&quot; data-end=&quot;2047&quot;&gt;He further highlighted the need fo
 r a bidirectional adaptation paradigm&amp;mdash\;&amp;ldquo\;protection systems ad
 apted to the grid&amp;rdquo\; and &amp;ldquo\;the grid adapted to protection syste
 ms&amp;rdquo\;&amp;mdash\;as modern power systems transition toward high-renewable
 \, high-power-electronic configurations. Emerging topics such as cyber-phy
 sical system security and adaptive grid protection architectures were also
  emphasized as critical directions for future research and deployment.&lt;/p&gt;
 \n&lt;p data-start=&quot;2049&quot; data-end=&quot;2183&quot;&gt;A lively discussion followed the pr
 esentation\, with active participation from faculty members\, graduate stu
 dents\, and invited experts.&lt;/p&gt;&lt;br /&gt;&lt;br /&gt;Agenda: &lt;br /&gt;&lt;p&gt;&lt;strong&gt;Agend
 a (14:00-16:00)&lt;/strong&gt;&lt;/p&gt;\n&lt;p data-start=&quot;142&quot; data-end=&quot;240&quot;&gt;&lt;strong d
 ata-start=&quot;142&quot; data-end=&quot;157&quot;&gt;14:00&amp;ndash\;14:05&lt;/strong&gt;&lt;br data-start=&quot;
 157&quot; data-end=&quot;160&quot;&gt;Opening remarks&lt;br data-start=&quot;177&quot; data-end=&quot;180&quot;&gt;&lt;em
  data-start=&quot;182&quot; data-end=&quot;240&quot;&gt;Dr. Yinfeng Sun\, School of Electrical En
 gineering\, &lt;/em&gt;&lt;em&gt;Northeast Electric Power University&lt;/em&gt;&lt;/p&gt;\n&lt;p data
 -start=&quot;244&quot; data-end=&quot;459&quot;&gt;&lt;strong data-start=&quot;244&quot; data-end=&quot;259&quot;&gt;14:05&amp;
 ndash\;15:05&lt;/strong&gt;&lt;br data-start=&quot;259&quot; data-end=&quot;262&quot;&gt;Academic Lecture&lt;
 br data-start=&quot;280&quot; data-end=&quot;283&quot;&gt;&lt;em data-start=&quot;285&quot; data-end=&quot;351&quot;&gt;Pro
 f. Lothar H. Fickert\, Graz University of Technology (Austria)&lt;/em&gt;&lt;br dat
 a-start=&quot;351&quot; data-end=&quot;354&quot;&gt;&lt;strong data-start=&quot;356&quot; data-end=&quot;366&quot;&gt;Topic
 :&lt;/strong&gt; &lt;em data-start=&quot;367&quot; data-end=&quot;459&quot;&gt;From Energy Fundamentals to
  Power System Requirements: Grid Design\, Safety\, and Protection&lt;/em&gt;&lt;/p&gt;
 \n&lt;p data-start=&quot;463&quot; data-end=&quot;568&quot;&gt;&lt;strong data-start=&quot;463&quot; data-end=&quot;47
 8&quot;&gt;15:05&amp;ndash\;15:50&lt;/strong&gt;&lt;br data-start=&quot;478&quot; data-end=&quot;481&quot;&gt;Q&amp;amp\;A
  and open discussion&lt;br data-start=&quot;506&quot; data-end=&quot;509&quot;&gt;&lt;em data-start=&quot;51
 1&quot; data-end=&quot;568&quot;&gt;(Faculty members\, postgraduate students\, and attendees
 )&lt;/em&gt;&lt;/p&gt;\n&lt;p data-start=&quot;572&quot; data-end=&quot;692&quot;&gt;&lt;strong data-start=&quot;572&quot; da
 ta-end=&quot;587&quot;&gt;15:50&amp;ndash\;16:00&lt;/strong&gt;&lt;br data-start=&quot;587&quot; data-end=&quot;590
 &quot;&gt;Closing remarks and group photo&lt;/p&gt;
END:VEVENT
END:VCALENDAR