CONTENTS. Unit 1Electrical power sources

PART 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