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close this bookElectrical Machines - Basic Vocational Knowledge (IBE - Deutschland; 144 pages)
View the documentIntroduction
Open this folder and view contents1. General information about electrical machines
Open this folder and view contents2. Basic principles
close this folder3. Execution of rotating electrical machines
View the document3.1. Size
Open this folder and view contents3.2. Designs
Open this folder and view contents3.3. Degree of protection
Open this folder and view contents3.4. Cooling
Open this folder and view contents3.5. Mode of operation
View the document3.6. Heat resistance categories
Open this folder and view contents3.7. Connection designations of electrical machines
close this folder3.8. Rotating electrical machines in rotational sense
View the document3.8.1. Clockwise rotation stipulation
View the document3.8.2. Direct current machines
View the document3.8.3. Alternating current and three-phase machines
View the document3.9. Rating plate
Open this folder and view contents4. Synchronous machines
Open this folder and view contents5. Asynchronous motors
Open this folder and view contents6. Direct current machines
Open this folder and view contents7. Single-phase alternating current motors
Open this folder and view contents8. Transformer
 

3.8.3. Alternating current and three-phase machines

Alternating and three-phase machines must always be switched so that the alphabetical series of connection designations (U, V, W) conforms to the temporal sequence of the external conductors (L1, L2, L3).

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