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Part #- 14356
Rev. 4 Date 6/19/02
INSTRUCTION MANUAL
For
CURRENT TRANSFORMER
EXCITATION TEST SET
MODEL CTER-91
It is essential that this instruction book be read thoroughly before putting the equipment in service.
Part #- 14356
Rev. 4 Date 6/19/02
REVISION HISTORY
Revision ECN # Date
1 26127 10/26/94
2 26460 5/25/95
3 28099 6/30/98
4 29340 6/19/02
IMPORTANT
The information and data contained within this instruction manual are proprietary with
AVO MULTI-AMP Corporation. The equipment described herein may be protected by
one or more U.S. letters patent. AVO MULTI-AMP specifically reserves to itself all
rights to such proprietary information as well as all rights under any such patent, none of
which is waived by the submission of this instruction manual to anyone.
The recipient, if a Government agency, acknowledges that this instruction book and the
equipment described were procured with "Limited Rights" to technical data as described
in ASPR 9-203 (b).
Copyright AVO MULTI-AMP Corporation, 1992
TABLE OF CONTENTS
SAFETY PRECAUTIONS ............................................................................................. 1
PRINCIPLES OF OPERATION..................................................................................... 2
GENERAL DESCRIPTION................................................................................. 2
DESCRIPTION OF CONTROLS ........................................................................ 2
SERVICING .................................................................................................................. 3
DESCRIPTION OF TESTS ........................................................................................... 4
OPERATING INSTRUCTIONS ..................................................................................... 7
Ratio Test ........................................................................................................... 7
Polarity Test........................................................................................................ 8
Saturation Test .................................................................................................... 9
METROLOGY AND REPAIR DATA............................................................................. 10
CALIBRATION CHECK……………………………………………………………………… 11
APPENDIX ................................................................................................................... 13
FIGURE 1-SATURATE AND RATIO TEST ....................................................... 14
FIGURE 2-POLARITY TEST............................................................................. 15
FIGURE 3-MULTI-RATIO CT TEST .................................................................. 16
FIGURE 4-TESTING BUSHING CT'S IN CIRCUIT BREAKERS....................... 17
FIGURE 5-TESTING BUSHING CT'S IN TRANSFORMERS............................ 18
FIGURE 6-TEST SET CONNECTIONS ............................................................ 19
FIGURE 7-SATURATION CURVES.................................................................. 20
FIGURE 8-SATURATION CURVES.................................................................. 21
SCHEMATIC DIAGRAM .............................................................................................. 22
INDEX .......................................................................................................................... 23
Produktspecifikationer
| Varumärke: | Megger |
| Kategori: | mätning |
| Modell: | CTER-91 |
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