Parker Compax3

Setting up Compax3
C3I12T11
190
192-120113 N08 C3I12T11 - December 2010
Replacement switching diagram - data for a phase
This data can be obtained from the manufacturer or be determined by
measurement.
U1: Nominal phase voltage
R1: Stator leg resistance
X1σ=2πfL1σ:
Leak reactance (for f=50Hz mains frequency)
L1σ:
Stator leakage inductance
X
h
=2πfL
H
:
Main reactance (for f=50Hz mains frequency)
LΗ:
Main field inductance
X
2σ
'=2
π
fL
2σ
:
Referenced leak reactance (for f=50Hz mains frequency)
L2σ:
Rotor leak inductance
R
2
': Referenced carriage resistance
I
mR
: Magnetization Current
Slip Frequency
The slip frequency is stated in [Hz electrical] or in [‰] and can be determined as
follows
f2[mHz (electrical)]= (fs*60-Nnominal*P/2)/N
1000
60
2
60
][Pr
1000
120
1000
60
2
60
.)]([
2
2
⋅
⋅
⋅−⋅
=
⋅






⋅−=⋅⋅
⋅
⋅−⋅
=
S
NennS
NennSS
S
NennS
f
P
Nf
omillef
P
Nff
f
P
Nf
elmHzf
Whereas P = value before the point of the term è
Nenn
s
N
f 260⋅⋅
f
s
: Synchronous nominal frequency (dimensioning base)
N
Nom
: Nominal speed in rpm
f
2
: Slip frequency in mHz (electrical)