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Methodological instructions for practical work in the "Microprocessor architecture and programming" academic discipline
(National technical university "Kharkiv polytechnic institute", 2024) Podorozhniak, Andrii Oleksiiovych; Heiko, Hennadii Viktorovych; Mezherytskyi, Sergii Hennadiiovych; Liubchenko, Oleksii Viktorovych
The methodical instructions contain a methodology for performing practical classes, the purpose of which is to provide students with special skills in the basic basics of architecture, programming and modes of operation of microprocessors and microprocessor facilities and to familiarize them with the direct memory access controller, interrupt controller, system timer and real-time clock; study of the main modes of operation of a microprocessor, including various options for solving practical problems using a microprocessor and multitasking mode.
A Problem of Power Supply of Microprocessor-Based Protective Relays at Emergency Mode
(НТУ "ХПИ", 2007) Gurevich, Vladimir
The paper discusses a problem of power supply for microprocessor-based protective relays in a substation with AC and DC auxiliary voltage in an emergency mode. The paper recommends application of power capacitors and supercapacitors instead of UPS as energy storage elements for short-time duration feeding of protective relays in emergency modes.