CONTENTS. Unit 1Electrical power sourcesPART I PRACTICE …………………………………………………………..6
Unit 1 Electrical power sources………………………………………...............6 Grammar point` Present Simple Tense `………………………………...10 Unit 2 The main parts of navigation on aircraft….……………………..……..19 Grammar point ` Passive voice `………………………………………….22 Unit 3 Ac/dc hydraulic motor-driven generators………………….……...….…32 Unit 4 Aircraft secondary power sources…………………………………….….38 Grammar point ` Conditional mood `………………………………….…41 Unit 5 Ac generators……………… …………………………………………....48 Grammar point ` Comparison categories of the adjective `………….…..50 Unit 6 Types of generators…………… ………………………………….……..55 Grammar point ` Preposition`.................................................................. 57 Unit 7 Brush type of AC generator……………………………………….……..61 Unit 8 Brushless type of AC generator….……………………………………..67 Unit 9 AC generator voltage control…………………………………….……...75 Grammar point ` Gerund or Participle I ` ……………………………. 80 Unit 10 AC generator voltage regulation……………………………………....88 Unit 11 AC generator frequency control………………………………..……….97 Grammar point `Infinitive`…………………………………………… 100 Unit 12 Ac/dc power distribution operation..………………………………….108 Unit 13 Aircraft power distribution…………………………………........124 Unit 14 The essential types of avionic equipment …………………………...131 Unit 15 Navigation and categories of navigation………………...…………..147 Grammar point `The category of the noun `………….……………… 148 Unit 16 Dead reckoning …...………………………………………………….153 Grammar point ‘The category of comparison of the adjective`………….. 159 Unit 17 Celestial navigation.…………………………….…………………….163 Unit 18 Map-matching navigation ………...…………………………………..169 Grammar point `Present Perfect Passive/ Present Continuous Passive `……………………………………………...…………………171 Unit 19 Navigation software …………………………………………………..174 Grammar point ` Present Perfect Tense `…………………………...176 Unit 20 Batteries installation and operation…………………………………….179 Grammar point `Future Simple Passive Voice `……………………......186 Unit 21 Inverters..………………………………………………………………190 Unit 22 Air ground communications…………………………………………...196 PART II Master`s degree students individual work with the teacher…... 205 Unit 1 Constant frequency/IDG……………………………………………….205 Unit 2 Variable frequency...………………………………………………… 207 Unit 3 Emergency power generation………………………………………......212 Unit 4 Back-up converters ……………………………………………...........216 Unit5 Permanent magnet generators………………………………………….218 Unit 6 Voltage regulator ……………………………………………………....220 Unit 7 Electronic voltage regulator ……………………………………………224 Unit 8 Ac voltage regulator …………………………………………………….228 Unit 9 Transistorized voltage regulаtor ……………………………………….230 Unit 10 Dc system …………………………………………………………......232 Unit 11 Split system …………………………………………………………...234 Unit 12 Parallel bus system …………………………………………………..237 Unit 13 Effect of load on ac generator …………………………………………239 Unit 14 Lamps bright method …………………………………………………245 Unit 15 Load sharing …………………………………………………………..248 PART III Master`s degree students individual work……………………...253 Unit 1 Real load division………………………………………………………253 Unit 2 Reactive load division…………………………………………………254 Unit 3 Split/parallel bus system………………………………………………..257 Unit 4 Voltage regulation……………………………………………………....259 Unit 5 Transformer rectifier units……………………………………………...260 Unit 6 Transformers……………………………………………………………262 Unit 7 Control and protection………………………………………………….264 Unit 8 Phaseprotection (Merz Price circuit)…………………………………..266 Unit 9 Electronic load control units (elcus)/smart contactors………………… 270 Unit 10 External/ground power…………………………………………………272 Unit 11 Dc power generation …………………………………………………..276 Unit 12 Ac power generation…………………………………………………...278 Unit 13 Modern electrical power generation types…………………………….282 Test questions …………………………………………………………………..284 UNITS`VOCABULARY ……………………………………………………….305 Glossary ……………………………………………………………………….314 Abbreviations and acronymns..……………………………………………….315 Vocabulary ……………………………………………………………………..318 Solutions of the situations ……………………………………………………335 References ………………………………………………………………………338 Test answer keys of the units. ………………………………………………….338 PART I PRACTICE
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