BEGIN:VCALENDAR VERSION:2.0 PRODID:IEEE vTools.Events//EN CALSCALE:GREGORIAN BEGIN:VTIMEZONE TZID:America/Los_Angeles BEGIN:DAYLIGHT DTSTART:20260308T030000 TZOFFSETFROM:-0800 TZOFFSETTO:-0700 RRULE:FREQ=YEARLY;BYDAY=2SU;BYMONTH=3 TZNAME:PDT END:DAYLIGHT BEGIN:STANDARD DTSTART:20251102T010000 TZOFFSETFROM:-0700 TZOFFSETTO:-0800 RRULE:FREQ=YEARLY;BYDAY=1SU;BYMONTH=11 TZNAME:PST END:STANDARD END:VTIMEZONE BEGIN:VEVENT DTSTAMP:20251121T181123Z UID:FEFB414F-5A39-4A3D-A4BE-D762AF762172 DTSTART;TZID=America/Los_Angeles:20251118T170000 DTEND;TZID=America/Los_Angeles:20251118T190000 DESCRIPTION:Modern aircraft depend on increasingly complex electrical syste ms that demand precision\, safety\, and innovation. As aviation technology evolves\, so too does the challenge of ensuring continuous\, reliable pow er under all operating conditions.\n\nThis lecture takes a closer look at how engineers are meeting these challenges—developing smarter control sy stems and fault-tolerant architectures that keep critical systems powered\ , no matter the circumstances. Attendees will gain insight into how advanc ed modeling\, intelligent algorithms\, and robust communication between co ntrol units are transforming the way electrical power is managed in today ’s aircraft.\n\nJoin us to learn how cutting-edge research and design ar e shaping the next generation of aerospace electrical systems—where safe ty\, reliability\, and innovation take flight.\n\nAbstract:\n\nSince the e arly days\, when an AC-type generator became a primary source of electrica l power for all aircraft systems\, the demand for electrical power has ste adily grown. Following rapid technology and scientific advancement in the aerospace industry\, the complexity and criticality of all aircraft system s have increased to the point where multiple independent and isolated elec trical power sources are required. In such an environment with two or more variable frequency AC-type generators that can be simultaneously activate d to provide electrical power to aircraft power distribution system\, a sa fe power transfer process becomes a major priority. It means that any two independent aircraft AC power sources with different frequencies or phase angles cannot be connected simultaneously to the common power bus. For tha t purpose\, a power transfer protocol has been developed to prevent any ai rcraft parallel power sourcing and to provide reliable AC generator connec tion to the single or multiple aircraft power busses. This article present s one approach to the aircraft power transfer protocol\, design\, and impl ementation. Going further and considering the possibility that a specific group of hardware-type system failures can prevent power transfer in one p articular aircraft bus power configuration\, a presented algorithm include s an additional logic decision structure permitting safe and reliable powe r transfer for a limited type of failure conditions. An algorithm for a po wer transfer protocol has been allocated to the Generator Control Unit. Th e protocol itself relies on data communication between the Bus Power Contr ol Unit and Generator Control Unit through analog discrete and digital bus communication interfaces. A SIMULINK model has been created to demonstrat e a normal and a single-failure power transfer process. With time sequence s\, simulation results are included to illustrate that the presented power transfer protocol is fault-tolerant and independent from aircraft power d istribution architecture.\n\nSpeaker(s): Neno Novakovic\n\nBldg: Seattle C ity Light\, 1300 N 97th St\, Seattle\, Washington\, United States\, 98103 LOCATION:Bldg: Seattle City Light\, 1300 N 97th St\, Seattle\, Washington\, United States\, 98103 ORGANIZER:tanya.panomvana@ieee.org SEQUENCE:10 SUMMARY:Power Transfer Protocol for Variable Frequency Aircraft Electrical Power System URL;VALUE=URI:https://events.vtools.ieee.org/m/509934 X-ALT-DESC:Description: <br /><p data-start="315" data-end="558">Modern air craft depend on increasingly complex electrical systems that demand precis ion\, safety\, and innovation. As aviation technology evolves\, so too doe s the challenge of ensuring continuous\, reliable power under all operatin g conditions.</p>\n<p data-start="560" data-end="974">This lecture takes a closer look at how engineers are meeting these challenges&mdash\;developi ng smarter control systems and fault-tolerant architectures that keep crit ical systems powered\, no matter the circumstances. Attendees will gain in sight into how advanced modeling\, intelligent algorithms\, and robust com munication between control units are transforming the way electrical power is managed in today&rsquo\;s aircraft.</p>\n<p data-start="976" data-end= "1150">Join us to learn how cutting-edge research and design are shaping t he next generation of aerospace electrical systems&mdash\;where safety\, r eliability\, and innovation take flight.</p>\n<p><strong>Abstract:</strong ></p>\n<p><strong id="docs-internal-guid-0444ce4d-7fff-566d-912c-4b419023e d96">Since the early days\, when an AC-type generator became a primary sou rce of electrical power for all aircraft systems\, the demand for electric al power has steadily grown. Following rapid technology and scientific adv ancement in the aerospace industry\, the complexity and criticality of all aircraft systems have increased to the point where multiple independent a nd isolated electrical power sources are required. In such an environment with two or more variable frequency AC-type generators that can be simulta neously activated to provide electrical power to aircraft power distributi on system\, a safe power transfer process becomes a major priority. It mea ns that any two independent aircraft AC power sources with different frequ encies or phase angles cannot be connected simultaneously to the common po wer bus. For that purpose\, a power transfer protocol has been developed t o prevent any aircraft parallel power sourcing and to provide reliable AC generator connection to the single or multiple aircraft power busses. This article presents one approach to the aircraft power transfer protocol\, d esign\, and implementation. Going further and considering the possibility that a specific group of hardware-type system failures can prevent power t ransfer in one particular aircraft bus power configuration\, a presented a lgorithm includes an additional logic decision structure permitting safe a nd reliable power transfer for a limited type of failure conditions. An al gorithm for a power transfer protocol has been allocated to the Generator Control Unit. The protocol itself relies on data communication between the Bus Power Control Unit and Generator Control Unit through analog discrete and digital bus communication interfaces. A SIMULINK model has been creat ed to demonstrate a normal and a single-failure power transfer process. Wi th time sequences\, simulation results are included to illustrate that the presented power transfer protocol is fault-tolerant and independent from aircraft power distribution architecture.</strong></p> END:VEVENT END:VCALENDAR