Siemens SINUMERIK 840C Installation Instructions Manual page 1109

12 Functional Descriptions
12.33.1 Introduction
n act
–
Fig. 12-3
12–334
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FDD field setpoint =0
I
I
q
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U
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a,b
R
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d,q a,b
Overview of current control loop
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iq set
–
Filter 1
n set
–
Current
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limitation
Field controller
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d Ust q
– –
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dq
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T S R
M
S
ENC
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08.96
Function
generator for
FFT analysis
(current
controller)
6FC5197- AA50
SINUMERIK 840C (IA)