Figure 60
For Detail Instructions on NCT Adaptor refer installation manual No 2TSA451018P0000
Wiring Diagram
Ensure that the LVS has been de-energized and the breaker in the compartment being
retrofit is switched off and removed from the LVS.
Open the door on the rear of compartment to access the Cable/ Bus compartment of
the LVS
Note that the existing neutral CT assemblies are usually mounted vertically on two
copper bus bars placed horizontally.
Disconnect the wires that are attached to the existing CT assemblies and place them
such that they do not interfere with the replacement of the CT assemblies.
Unfasten and remove the bolts that hold the neutral disconnect assemblies to the
horizontal bus bars. Keep the hardware in a secure location for reassembly.
Be careful while handling the CT assemblies such that they do not fall down or damage
other components within the LVS.
Replace the old CT assembly with the new Rogowski assembly on the horizontal bus bars
and fasten it using the hardware previously removed.
Connect a twisted pair of wires back to the Rogowski CT assembly leads.
Check for continuity from the CT leads to the A24 and A25 secondary disconnect screw
terminal within the LVS compartment. NEVER push probes into the front of the
secondary disconnect.
The new Rogowski assemblies are installed and ready for use.
Tools required: Wrenches, wire stripper, wire cutter, continuity tester.
32 - Procedures
Write down the orientation of the existing
Iron core CT and the polarity of the
connections. The orientation and polarity
NOTICE needs to be matched when the air
core Rogowski is assembled in the cable
compartment.
NEUTRAL CT ORIENTATION
Notice
C
Содержание AKD-10
Страница 36: ...11 14 22 21 31 34 42 41 C2 C1 51 54 62 61 71 74 82 81 91 94 02 01 45 48 R1 R2 C ...
Страница 38: ...C ...
Страница 43: ...NOTES 1 WP WavePro fixed connection point C ...
Страница 51: ...ONLY for 3200A Figure 48 Steps in Exploded Views for 3200A WPS 32 WPH 32 WPX 32 C ...
Страница 52: ...ONLY for 3200A Figure 49 Steps in Exploded Views for 4000A WPS 40 WPX 40 C ...
Страница 53: ...Figure 50 Steps in Exploded Views for 5000A WPS 50 WPX 50 ONLY for 3200A C ...
Страница 65: ...Figure 64 Wiring of WP 4000A breaker with FAN control unit C ...
Страница 74: ...Figure 75 Figure 76 WPF 16 with special 2500A Fuse WPF 16 2500A Fuse Tang Positions 74 C ...
Страница 77: ...2TSA451010P0000 ECN000239455 Rev C ...