GE Power Management
SPM Synchronous Motor Protection & Control
3-
9
3 SYNCHRONOUS MOTOR APPLICATIONS
3.2 COLLECTOR-RING MOTORS
3
Figure 3–9: PROTECTION FOR REDUCED VOLTAGE STARTS
1
200
150
2
6
3
8
5
15
25
20
60
80
30
50
40
4
1.5
10
100
0
10
20
60
90 100
80
70
50
40
30
% Synchronous Speed
65%
80%
90%
100%
701760A7.CDR
Run
T
ime
Zero
Speed
Stall
T
ime
Line
Voltage
50%
Summary of Contents for SPM Series
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Page 74: ...6 4 SPM Synchronous Motor Protection Control GE Power Management 6 2 STATUS 6 ACTUAL VALUES 6...
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Page 124: ...iv SPM Synchronous Motor Protection Control GE Power Management INDEX...
Page 125: ...GE Power Management SPM Synchronous Motor Protection Control NOTES...
