  Circuits, Formulas and Tables Electrical Engineering  Basic Vocational Knowledge 
   1. Selected Graphical Symbols of Electrotechnology 

  1.1. Graphical Symbols for General Circuit Elements 
  1.2. Graphical Symbols for Types of Current, Voltage and Connections 
  1.3. Graphical Symbols for Lines and Line Connections 
  1.4. Graphical Symbols for Resistors 
  1.5. Graphical Symbols for Capacitors 
  1.6. Graphical Symbols for Coils and Transformers 
  1.7. Graphical Symbols for Current and Voltage Transformers 
  1.8. Graphical Symbols for Electrochemical and Electrothermal Sources 
  1.9. Graphical Symbols for Tubes 
  1.10. Graphical Symbols for Semiconductors 
  1.11. Graphical Symbols for Switching Devices 
  1.12. Graphical Symbols for Machines 
  1.13. Graphical Symbols for Meter Movements and Measuring Instruments 
  1.14. Graphical Symbols of Electroacoustics 
  1.15. Graphical Symbols for Wiring Plans 

1.12. Graphical Symbols for Machines
Term 
Graphical Symbol 

in full 
simplified 
rotor with winding, commutator and brushes 


asynchronous machine, stator in delta connection, rotor in star
connection 


directcurrent generator 


directcurrent motor 


threephase generator 


threephase motor (cage rotor) 


threephase motor (slipring rotor) 

