GE G60 Instruction Manual page 530
Generator protection system
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TRANSDUCER INPUTS/OUTPUTS
Table 5-43: RTD temperature vs resistance
Temperature
°C
°F
–50
–58
–40
–40
–30
–22
–20
–4
–10
14
0
32
10
50
20
68
30
86
40
104
50
122
60
140
70
158
80
176
90
194
100
212
110
230
120
248
5
130
266
140
284
150
302
160
320
170
338
180
356
190
374
200
392
210
410
220
428
230
446
240
464
250
482
RTD INPUT H1 APPLICATION
applications that require group measurement for voting. A value of "None" specifies that the RTD operates individually and
not part of any RTD group. All RTDs programmed to "Stator" are used for RTD biasing of the G60 thermal model. Common
groups are provided for rotating machines applications such as ambient, bearing, group 1, or group 2. If the
setting value is "Group", then it is allowed to issue a trip if N – 1 RTDs from the same group also pick up, where
TRIP VOTING
N is the number of enabled RTDs from the group.
RTD INPUT H1 ALARM TEMPERATURE
RTD INPUT H1 ALARM PKP DELAY
RTD INPUT H1 TRIP TEMPERATURE
RTD INPUT H1 TRIP PKP DELAY
RTD INPUT H1 TRIP RST DELAY
5-354
Resistance (in ohms)
100 ohm Pt
120 ohm Ni
(DIN 43760)
80.31
86.17
84.27
92.76
88.22
99.41
92.16
106.15
96.09
113.00
100.00
120.00
103.90
127.17
107.79
134.52
111.67
142.06
115.54
149.79
119.39
157.74
123.24
165.90
127.07
174.25
130.89
182.84
134.70
191.64
138.50
200.64
142.29
209.85
146.06
219.29
149.82
228.96
153.58
238.85
157.32
248.95
161.04
259.30
164.76
269.91
168.47
280.77
172.46
291.96
175.84
303.46
179.51
315.31
183.17
327.54
186.82
340.14
190.45
353.14
194.08
366.53
— This setting allows each individual RTD to be assigned to a group application. This is useful for
— Specifies the temperature pickup level for the alarm stage.
— Specifies time delay for the alarm stage until the output can be asserted.
— Specifies the temperature pickup level for the trip stage.
— Specifies time delay for the trip stage until the output can be asserted.
— Specifies the reset delay to seal-in the trip signal.
100 ohm Ni
10 ohm Cu
71.81
7.10
77.30
7.49
82.84
7.88
88.45
8.26
94.17
8.65
100.00
9.04
105.97
9.42
112.10
9.81
118.38
10.19
124.82
10.58
131.45
10.97
138.25
11.35
145.20
11.74
152.37
12.12
159.70
12.51
167.20
12.90
174.87
13.28
182.75
13.67
190.80
14.06
199.04
14.44
207.45
14.83
216.08
15.22
224.92
15.61
233.97
16.00
243.30
16.39
252.88
16.78
262.76
17.17
272.94
17.56
283.45
17.95
294.28
18.34
305.44
18.73
G60 GENERATOR PROTECTION SYSTEM – INSTRUCTION MANUAL
CHAPTER 5: SETTINGS
RTD INPUT H1
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