SERVICE MANUAL
R5888C
QUADRAMHO
Chapter 2
Contents
6.
TECHNICAL DATA
66
6.1
Input ratings
66
6.2
Impedance setting ranges
66
6.3
Resistive reach setting range (quadrilateral earth fault units only)
67
6.4
Lenticular aspect ratio setting range (lenticular zone 3 only)
67
6.5
Summary of K-factors
67
6.6
Accuracy of impedance measurement
68
6.7
Current sensitivity of impedance measuring units.
68
6.8
Returning ratio of impedance measuring units
68
6.9
Characteristic angle setting ranges and accuracy
68
6.10
Timer setting ranges
69
6.11
Polarising
69
6.12
Switch-on-to-fault
69
6.13
Operating and reset times
70
6.14
Voltage transformer (fuse failure) supervision
70
6.15
Power swing blocking
70
6.16
Operative ambient temperature range
70
6.17
Operative frequency range
70
6.18
Burdens and current transformer requirements
71
6.19
Output contact ranges
71
6.20
DC supply ratings and operative range
72
6.21
Auxiliary dc supply for optically-coupled isolators
72
6.22
DC power consumption
72
6.23
Inbuilt continuouys monitoring and periodic self-test
72
6.24
Voltage withstand
72
6.25
Environmental withstand
73
6.26
Dimensions
73
APPENDIX A
Figure 1:
Quadramho
1
Figure 2:
Quadramho module earthing arrangement
2
Figure 3:
Outline drawing and module layout
3
Figure 4:
Block diagram
4
Figure 5:
Voltage input module RFV04
5
Figure 6:
Action of switched bandpass filter in voltage supply
6
Figure 7:
AC current input module RFC15
7
Figure 8:
Nameplate details RFC15
8
Figure 9:
Level detectors ZH0729
9
Figure 10:
Board ZH0730 phase and neutral and IR setting
10
Figure 11:
Nameplate details RRZ07
11
Figure 12:
Zone 1/Zone 2 setting board ZH0732
12
Figure 13:
Zone 1/Zone 2 comparators (MHO version)
13
Figure 14:
Zone 1/Zone 2 comparators (Quad version)
14
Figure 15:
Layout of ULA
15
Figure 16:
Comparator inputs
16
Figure 17:
Nameplate details RRM08
17
Summary of Contents for SHPM 101
Page 1: ...Service Manual Quadramho Distance Protection Type SHPM 101...
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Page 209: ...Quadramho Distance Protection Type SHPM 101 Service Manual Chapter 3 Electronic Module Housing...
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Page 211: ...Quadramho Distance Protection Type SHPM101 Service Manual Chapter 4 Installation...
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Page 323: ...Quadramho Distance Protection Type SHPM 101 Service Manual Chapter 8 Special Variations...
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