GE 469 Instruction Manual page 187

Motor management relay
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CHAPTER 5: SETTINGS
PICKUP
(× FLA)
× 1
× 2
1.10
416.68
833.36
1250.0
1.20
198.86
397.72
596.58
1.30
126.80
253.61
380.41
1.40
91.14
182.27
273.41
1.50
69.99
139.98
209.97
1.75
42.41
84.83
127.24
2.00
29.16
58.32
87.47
2.25
21.53
43.06
64.59
2.50
16.66
33.32
49.98
2.75
13.33
26.65
39.98
3.00
10.93
21.86
32.80
3.25
9.15
18.29
27.44
3.50
7.77
15.55
23.32
3.75
6.69
13.39
20.08
4.00
5.83
11.66
17.49
4.25
5.12
10.25
15.37
4.50
4.54
9.08
13.63
4.75
4.06
8.11
12.17
5.00
3.64
7.29
10.93
5.50
2.99
5.98
8.97
6.00
2.50
5.00
7.49
6.50
2.12
4.24
6.36
7.00
1.82
3.64
5.46
7.50
1.58
3.16
4.75
8.00
1.39
2.78
4.16
10.00
1.39
2.78
4.16
15.00
1.39
2.78
4.16
20.00
1.39
2.78
4.16
Note
469 MOTOR MANAGEMENT RELAY – INSTRUCTION MANUAL
Table 5–1: 469 Standard Overload Curve Multipliers
× 3
× 4
× 5
× 6
1666.7
2083.4
2500.1
795.44
994.30
1193.2
507.22
634.02
760.82
364.55
455.68
546.82
279.96
349.95
419.94
169.66
212.07
254.49
116.63
145.79
174.95
86.12
107.65
129.18
66.64
83.30
99.96
53.31
66.64
79.96
43.73
54.66
65.59
36.58
45.73
54.87
31.09
38.87
46.64
26.78
33.47
40.17
23.32
29.15
34.98
20.50
25.62
30.75
18.17
22.71
27.25
16.22
20.28
24.33
14.57
18.22
21.86
11.96
14.95
17.94
9.99
12.49
14.99
8.48
10.60
12.72
7.29
9.11
10.93
6.33
7.91
9.49
5.55
6.94
8.33
5.55
6.94
8.33
5.55
6.94
8.33
5.55
6.94
8.33
Above 8.0 x Pickup, the trip time for 8.0 is used. This prevents the overload curve from
acting as an instantaneous element.
The standard overload curves equation is:
Time to Trip
STANDARD CURVE MULTIPLIERS
× 7
× 8
× 9
2916.8
3333.5
3750.1
1392.0
1590.9
1789.7
887.63
1014.4
1141.2
637.96
729.09
820.23
489.93
559.92
629.91
296.90
339.32
381.73
204.11
233.26
262.42
150.72
172.25
193.78
116.62
133.28
149.94
93.29
106.62
119.95
76.52
87.46
98.39
64.02
73.16
82.31
54.41
62.19
69.96
46.86
53.56
60.25
40.81
46.64
52.47
35.87
41.00
46.12
31.80
36.34
40.88
28.39
32.44
36.50
25.50
29.15
32.79
20.93
23.91
26.90
17.49
19.99
22.48
14.84
16.96
19.08
12.75
14.57
16.39
11.08
12.66
14.24
9.71
11.10
12.49
9.71
11.10
12.49
9.71
11.10
12.49
9.71
11.10
12.49
Curve_Multiplier
--------------------------------------------------------------------------------------------------------------------------------------------- -
=
×
(
0.02530337
Pickup 1
× 10
× 11
× 12
4166.8
4583.5
5000.2
1988.6
2187.5
2386.3
1268.0
1394.8
1521.6
911.37
1002.5
1093.6
699.90
769.89
839.88
424.15
466.56
508.98
291.58
320.74
349.90
215.31
236.84
258.37
166.60
183.26
199.92
133.27
146.60
159.93
109.32
120.25
131.19
91.46
100.60
109.75
77.73
85.51
93.28
66.95
73.64
80.34
58.30
64.13
69.96
51.25
56.37
61.50
45.42
49.97
54.51
40.55
44.61
48.66
36.43
40.08
43.72
29.89
32.88
35.87
24.98
27.48
29.98
21.20
23.32
25.44
18.21
20.04
21.86
15.82
17.41
18.99
13.88
15.27
16.65
13.88
15.27
16.65
13.88
15.27
16.65
13.88
15.27
16.65
×
2.2116623
2
)
×
(
0.05054758
Pickup 1
+
× 13
× 14
× 15
5416.9
5833.6
6250.2
2585.2
2784.1
2982.9
1648.5
1775.3
1902.1
1184.8
1275.9
1367.0
909.87
979.86
1049.9
551.39
593.81
636.22
379.05
408.21
437.37
279.90
301.43
322.96
216.58
233.24
249.90
173.25
186.58
199.91
142.12
153.05
163.98
118.89
128.04
137.18
101.05
108.83
116.60
87.03
93.73
100.42
75.79
81.62
87.45
66.62
71.75
76.87
59.05
63.59
68.14
52.72
56.77
60.83
47.36
51.01
54.65
38.86
41.85
44.84
32.48
34.97
37.47
27.55
29.67
31.79
23.68
25.50
27.32
20.57
22.15
23.74
18.04
19.43
20.82
18.04
19.43
20.82
18.04
19.43
20.82
18.04
19.43
20.82
(EQ 5.2)
)
5–43

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