Circuits, Formulas and Tables Electrical Engineering - Basic Vocational Knowledge: 1. Selected Graphical Symbols of Electrotechnology: 1.2. Graphical Symbols for Types of Current, Voltage and Connections

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

Term	Graphical Symbol
	in full	simplified
Type of voltage and current
direct voltage
direct current
alternating voltage, alternating current
alternating voltage within the range of audio frequency
alternating voltage within the range of high frequency
direct or alternating voltage
Alternating current connections
star connection
delta connection
star-delta connection
zig-zag connection