KEHUI T-305E, User Manual

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T-305E User Manual Version 3.5 | 4
Table of Contents
1. SAFETY INSTRUCTIONS .............................................................................................................. 5
2. PRODUCT OVERVIEW .................................................................................................................. 6
2.1 Product features ........................................................................................................................ 6
2.2 Main use and scope of application .............................................................................................. 6
2.3 Product nomenclature
............................................................................................................... 6
2.4 Environmental conditions
........................................................................................................... 6
2.5 Standard Configuration .............................................................................................................. 6
2.6 Technical Data Sheet .................................................................................................................. 7
3. WORKING PRINCIPLE ................................................................................................................... 8
3.1 Basic Operation
......................................................................................................................... 8
3.2 DC operation ............................................................................................................................. 9
3.3 Surge operation
......................................................................................................................... 9
3.4 Low-voltage cable break-down
................................................................................................. 10
4. EQUIPMENT CONSTRUCTION ................................................................................................... 11
4.1 User interface Description ........................................................................................................ 11
4.2 Rear Panel Description
............................................................................................................. 13
4.3 Side Panel Description
.............................................................................................................. 14
5. GETTING STARTED .................................................................................................................... 15
5.1 Using the discharge rod ............................................................................................................ 15
5.2 Wiring connection
................................................................................................................... 15
5.3 Modes of operation
................................................................................................................. 16
6. FAULT PRE-LOCATION ............................................................................................................... 17
6.1 DC flashover method
............................................................................................................... 17
6.2 Impulse flashover method
........................................................................................................ 18
6.3 Impulse Current Method (ICM) Testing ...................................................................................... 18
6.4 Secondary/Multiple Impulse Method (SIM/MIM) ....................................................................... 19
7. DC VOLTAGE WITHSTAND TEST .............................................................................................. 19
7.1 Cable Connection
..................................................................................................................... 19
7.2 Performing the Test ................................................................................................................. 19
7.3 Power off the T-305E ............................................................................................................... 20
8. PINPOINTING FAULTS USING THE CYCLIC MODE ................................................................. 20
9. SHEATH FAULT LOCATION USING THE KEHUI T-H200 .......................................................... 22
10. SHUT-DOWN PROCEDURE ..................................................................................................... 23
11. MAINTENANCE AND TROUBLESHOOTING ........................................................................... 23
12. PACKING LIST - T-305E PACKING LIST.................................................................................. 24