O‘zbеkiston rеspublikasi oliy

TRANSIENTS IN AN ELECTRIC DRIVE………………...………...220 8.1. General information……………………………………………………220

2. 
   Transients determined by the mechanical inertia of the electric drive…225
   
3. 
   Transients in a DC electric drive……………………………………….229
   
4. 
   Control questions for self-checking……………………………………239
   

9. 
   CONTROL DEVICES AND DEVICES………………...…………….240
   
   1. 
      Control and protection Equipment for electric drives………………….240
      
   2. 
      Contactless logic elements……………………………………………..244
      
   3. 
      Sensors for mechanical and electrical parameters…………….………..247 9.4. Regulators………………………………………………………………253
      

5. 
   Microprocessor controls for electric drives…………………………….256
   
6. 
   Complete control devices for electric drives…………………………...260
   
7. 
   Control questions for self-testing………………………………….…...262
   

10. 
    TYPICAL NODES AND CONTROL SCHEMES
    

ELECTRIC DRIVES………………………………………………….263 10.1. Electrical protection…………………………………………………..263

2. 
   Relay-contactor control of electric drives…………………………….265
   
3. 
   Principles of construction of control systems for electric drives……..273
   
4. 
   Classification of closed control systems……………………………...276
   
5. 
   Control system for a DC electric drive with the summing amplifier…280
   
6. 
   Multi-loop system with a subordinate regulation parameters of the electric drive…………………………………………………………..285
   
7. 
   Typical control systems for asynchronous frequency Controlled electric drives…………………………………………………………….……297
   
8. 
   Control questions for self-checking…………………………………..303
   

11.