斯坦福發(fā)電機stamford pm734f技術數據表-英文版
insulation system
class h
protection
ip23
rated power factor
0.8
stator winding
double layer lap
winding pitch
two thirds
winding leads
6
main stator resistance
0.0016 ohms per phase at 22°c star connected
main rotor resistance
2.31 ohms at 22°c
exciter stator resistance
17.5 ohms at 22°c
exciter rotor resistance
0.063 ohms per phase at 22°c
r.f.i. suppression
bs en 61000-6-2 & bs en 61000-6-4,vde 0875g, vde 0875n. refer to factory for others
waveform distortion
no load < 1.5% non-distorting balanced linear load < 5.0%
maximum overspeed
2250 rev/min
bearing drive end
ball. 6232 c3
bearing non-drive end
ball. 6319 c3
1 bearing
2 bearing
weight comp. generatorweight comp. generator
3840 kg3840 kg
3807 kg3807 kg
weight wound stator
1908 kg
1908 kg
weight wound rotor
1609 kg
1565 kg
wr2inertia
49.3409 kgm2
48.424 kgm2
shipping weights in a crate
3913 kg
3876 kg
packing crate size
216 x 105 x 154(cm)
216 x 105 x 154(cm)
telephone interference
thf<2%
tif<50
cooling air
3.45 m3sec 7300 cfm
voltage star
660v
690v
kva base rating for reactance values
1925
1925
xd dir. axis synchronous
2.36
2.16
x'd dir. axis transient
0.14
0.14
x''d dir. axis subtransient
0.11
0.10
xq quad. axis reactance
1.51
1.38
x''q quad. axis subtransient
0.21
0.19
xl leakage reactance
0.03
0.03
x2negative sequence
0.15
0.14
x0 zero sequence
0.02
0.02
reactances are saturated
values are per unit at rating and voltage indicated
t'd transient time const.
0.154s
t''d sub-transtime const.
0.02s
t'do o.c. field time const.
2.54s
ta armature time const.
0.02s
short circuit ratio
1/xd


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