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close this bookCircuits, Formulas and Tables Electrical Engineering - Basic vocational knowledge (Institut für Berufliche Entwicklung, 201 p.)
close this folder4. Electrical Machines
close this folder4.1. Direct-current Machines
View the document4.1.1. Direct-current Generators
View the document4.1.2. Direct-current Motors

4.1.1. Direct-current Generators


d.c. shunt-wound generator without commutating poles (clockwise sense of rotation)


terminal boards (clockwise sense of rotation)


terminal boards (anti-clockwise sense of rotation)


d.c. shunt-wound generator with commutating poles (clockwise sense of rotation)


The commutating poles are clamped inside the generator terminal boards with commutating poles (clockwise sense of rotation)


The commutating poles are clamped inside the generator terminal boards with commutating poles (anti-clockwise sense of rotation)


d.c. compound-wound generator with commutating poles (clockwise sense of rotation)


terminal boards (clockwise sense of rotation)


terminal boards (anti-clockwise sense of rotation)

4.1.2. Direct-current Motors


d.c. shout-wound motor with commutating poles and starter (clockwise sense of rotation)


d.c. shout-wound motor with commutating poles and starter (anti-clockwise sense of rotation)

The commutating poles are clamped inside the motor


terminal boards (A)


terminal boards (B)


d.c. series motor with commutating poles (clockwise sense of rotation)


d.c. series motor with commutating poles (anti-clockwise sense of rotation)


terminal boards (A)


terminal boards (B)


d.c. compound - wound motor with commutating poles (clockwise sense of rotation)


d.c. compound - wound motor with commutating poles (anti-clockwise sense of rotation)


terminal boards (A)


terminal boards (B)


d.c. shunt-wound motor with cylindrical starter (clockwise sense of rotation)


d.c. series motor with cylindrical starter (clockwise sense of rotation)


d.c. series motor with reversing starter


Schematic circuit diagram for reversing starter with d.c. series motor (clockwise sense of rotation)


Schematic circuit diagram for reversing starter with d.c. series motor (anti-clockwise sense of rotation)


d.c. shunt-wound motor with controller drum for clockwise and anti-clockwise sense of rotation


d.c. shunt-wound motor with controller drum for clockwise and anti-clockwise rotation and braking


Schematic circuit diagram for controller drum with reversing and braking circuit for d.c. shunt-wound motor (clockwise sense of rotation)


Schematic circuit diagram for controller drum with reversing and braking circuit for d.c. shunt-wound motor (anti-clockwise sense of rotation)


Schematic circuit diagram for controller drum with reversing and braking circuit for d.c. shunt-wound motor (braking right-hand side)


Schematic circuit diagram for controller drum with reversing and braking circuit for d.c. shunt-wound motor (braking left-hand side)