Aircraft Electrical Machines and Apparatus

Major: Avionics
Code of subject: 6.173.00.O.57
Credits: 5.00
Department: Electromechatronics and Computerized Electromechanical Systems
Lecturer: Associate Professor, Ph.D. Kharchyshyn Bohdan Mykhailovych
Semester: 5 семестр
Mode of study: денна
Learning outcomes: • knowledge of operation principle, structure and basic characteristics of different types of aviation electric machines and devices; • ability to apply basic knowledge of the characteristics, design features, purpose and rules of operation of aviation electric machines and devices; • knowledge and understanding related to switching, control and protection devices, their purpose and categories of applications, their requirements, operating conditions, principle of operation and characteristics of major groups of aviation electrical devices; • ability to use knowledge and skills to calculate, research, select, service and repair aviation electrical machines and devices.
Required prior and related subjects: • Physics. • Further Mathematics. • Theoretical foundations of electrical engineering.
Summary of the subject: Electric machines are energy converters. The main types of aviation electric machines. Aviation electric machines of direct current. Conditions and process of self-excitation, characteristics of aviation generators of direct current. Direct current aviation engines (DCAE). Launching methods. DCAE characteristics of parallel sequential and mixed excitation. The concept of speed regulation methods, rotation speed, braking and reversing. Aviation Transformers. Transformer equation. Replacing scheme. General questions about the theory of AC machines. Asynchronous machines. Equation, alternating circuit electromagnetic torque, characteristics of an induction motor. Non-operating experience and short-circuit experience of an induction motor. Aviation synchronous machines: generators, engines, characteristics. Aviation electrical devices: international terminology, functions and main parts, operational requirements, designations, operating conditions, classification. Commutative electrical devices.
Assessment methods and criteria: • oral questioning (25%); • control work (10%); • final control (test) (65%).
Recommended books: 1. Бурштинський М.В. Копчак Л.С. Хай М.В. Апарати захисту та керування в електричних установках низької напруги . – 2-е вид.–— Львів: Видавництво Національного університету «Львівська політехніка», 2008. – 184 с. 2. Яцун М. А. Електричні машини: Навчальний посібник. – Львів: Видавництво Національного університету "Львівська політехніка", 2011. – 464 с. 3. Бєлікова Л.Я., Шевченко В.П. Електричні машини: Навчальний посібник. — Одеса: Наука і Техніка, 2011. — 480 с. 4. Панасюк Г.И., Попов И.А., Привалов Г.В. Авиационные электрические машины. – М.: ВВИА им.Н.Е.Жуковского, 1985. 6. Клименко Б. В. Електричні апарати. Електромеханічна апаратура комутації, керування та захисту. Загальний курс : навчальний посібник. – Харків: Вид-во «Точка», 2012. – 340 с.