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Reset mode
Defines in which way the operated protection can be reset i.e. the CCR can be started again:
•
L = Local reset, protection resets only by controlling the CCR off from the local operation switch of the CCR after which the CCR can be
restarted.
•
L+R = Local+remote reset, protection is reset by controlling the CCR off either locally or via remote control. Maintenance personnel do
not need to visit the CCR station for a CCR restart.
•
A = Automatic reset: protection resets automatically when the actual value returns within the acceptable limits (normally level A +
hysteresis). No selection, used with U1, f and T protections.
4.5.1 Open Circuit Protection
This function protects the maintenance personnel in case of open circuit by tripping the CCR after a delay time if the output
current stays below a predefined threshold level. The output current must exceed the threshold level to enable CCR normal
operation. Local or Local+remote reset modes can be selected. The capacitive current monitor may be selected to monitor
the power factor of the load. With an open circuit on long shielded cables, there may be enough capacitance in the cable to
hold the output current above the open circuit threshold level. If the load power factor is highly capacitive, the capacitive
output current monitor will switch off the CCR when selected and indicate an open circuit. Detection time for capacitive
output current is one second.
Header / function
Data 1
Data 2
Fact set
Allowed range
Open circuit prot
Threshold level
Level
1.5A
0-6.60A in 0.05 steps
Delay time
Delay
0,5s
0.1-10s in 0.1s steps
Reset mode abbrev.
Reset m.
L
L / L+R
Op. mode for capacitive current monitor
CAP MON
Off
Off / ON
Setting sequence
1. Go to open circuit protection display by selecting Set /Prot /Ocs.
1. If necessary adjust threshold level with + - buttons and select Set, then select Next.
1. If necessary adjust delay time as in step 2.
1. If necessary adjust the reset mode (L or L+R) with + - buttons.
1. If necessary select the capacitive current monitor operation.
Operational test
Two ways can be used to test the operation of the protection:
•
Real test: Open the AFL-circuit and start the CCR. Make sure that the CCR trips in due time.
Warning! High voltage circuit! Adequate insulation and distances must be maintained during test.
•
Simulated test: Adjust the threshold level above the actual output current level and check that the CCR trips in due time.
UM_IDM-8000, Rev. 1.7, 2021/05/06
33
Copyright
©
ADB Safegate, All Rights Reserved
Содержание IDM 8000
Страница 1: ...IDM 8000 CCR User Manual UM_IDM 8000 Rev 1 7 2021 05 06 ...
Страница 2: ......
Страница 8: ...IDM 8000 TABLE OF CONTENTS viii Copyright ADB Safegate All Rights Reserved ...
Страница 10: ...IDM 8000 List of Figures x Copyright ADB Safegate All Rights Reserved ...
Страница 12: ...IDM 8000 List of Tables xii Copyright ADB Safegate All Rights Reserved ...
Страница 18: ...IDM 8000 Safety 6 Copyright ADB Safegate All Rights Reserved ...
Страница 20: ...IDM 8000 About this Manual 8 Copyright ADB Safegate All Rights Reserved ...
Страница 76: ...IDM 8000 Troubleshooting 64 Copyright ADB Safegate All Rights Reserved ...
Страница 92: ...IDM 8000 Appendix F Parallel remote control example 80 Copyright ADB Safegate All Rights Reserved ...
Страница 100: ...IDM 8000 Appendix I Commissioning test report form 88 Copyright ADB Safegate All Rights Reserved ...
Страница 104: ...IDM 8000 Appendix J Spare part list 92 Copyright ADB Safegate All Rights Reserved ...
Страница 106: ...IDM 8000 Appendix K Components of electronics 94 Copyright ADB Safegate All Rights Reserved ...
Страница 107: ...Appendix L Appendix L CCR components UM_IDM 8000 Rev 1 7 2021 05 06 95 Copyright ADB Safegate All Rights Reserved ...
Страница 113: ...UM_IDM 8000 Rev 1 7 2021 05 06 101 Copyright ADB Safegate All Rights Reserved ...
Страница 114: ...IDM 8000 Appendix M Output Terminals 102 Copyright ADB Safegate All Rights Reserved ...
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