PRINCIPLES OF OPERATION

PMG (optional)

Rotating Assembly

PMG Field

Exciter Field

Exciter Armature

Main Field

Main Armature

L1

(rotor)

(stator)

(rotor)

(rotor)

(stator)

N

(+)

 

 

 

 

 

 

(+)

 

 

 

DC

 

DC

 

L2

S

(in)

 

(in)

 

 

 

 

 

 

 

 

(-)

 

(-)

 

 

 

 

 

 

L3

PMG

 

3 Phase AC (out)

 

3 Phase AC (out)

 

 

 

 

 

Armature

 

 

 

 

 

(stator)

 

 

Rotating Rectifier Assembly

 

 

 

 

 

3 Phase -- Full Bridge

 

 

 

Exciter Field Power

 

Input Power -- Single Phase

 

(DC out)

 

(shunt powered regulator)

Automatic

PMG Input Power (optional)

 

Voltage

 

(1 phase, 300/250 hertz)

Regulator

 

 

 

 

Sensing Input -- Single Phase

 

 

 

 

 

 

3 phase (optional)

FIGURE 1 -- MagnaPLUS Circuit Diagram

FIGURE 2 -- Typical MagnaPLUS Layout Diagram

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Baldor BALDOR GENERATORS, TS25, TS45, TS80, TS175, TS130 manual Principles of Operation, PMG optional