Siemens NXPLUS C User Manual

802-9081.9 • INSTALLATION AND OPERATING INSTRUCTIONS • NXPLUS C • Revision 11 267/293
Operation
Test voltages
Test adapters Suitable test adapters must be available for performing the cable test. The following table
offers an overview of the test adapters of the individual cable T-plug manufacturers:
Performing the cable test ➭ Earth the feeder (see page 194, "Earthing/ready-to-earth with the three-position switch").
➭ Secure against reclosing.
➭ Verify safe isolation from supply (see page 203, "Verification of safe isolation from supply").
➭ Disconnect the feeder in the opposite substation and secure against reclosing.
➭ Verify safe isolation from supply in the opposite substation.
➭ Undo the fixing bolts of the cable compartment cover.
➭ Remove the cable compartment cover.
➭ Remove the screw insert of the connected cable T-plug according to the manufacturer's
instructions.
➭ Insert/screw the test adapter into the cable T-plug.
➭ Connect test lead.
➭ Short-circuit the voltage indicators at the earthing points of the test sockets using short-
circuit plugs.
➭ De-earth the feeder (see page 194, "De-earthing with the three-position switch").
➭ Perform voltage test. Perform the test according to the recommendations of the cable
manufacturers or the customers' specifications.
➭ Proceed in reverse order to return to the initial situation.
Rated voltage of the
switchgear [kV]
DC test voltage AC test voltage VLF
1
0.1 Hz
AC DC Rectangle [kV] Sinus [kV] Test
duration
[min]
U
ct
[kV] Test
duration
[min]
U
ct
[kV] Test
duration
[min]
Mean value Maximum
value
Mean value Maximum
value
7.2 11 1 22 15 22 22 15.6 22 60
12 19 1 38 15 38 38 26.8 38 60
15 28 1 52 15 52 52 36.8 52 60
17.5 28 1 52 15 52 52 36.8 52 60
24 38 1 72 15 72 72 51 72 60
1
Very low frequency
Make Test adapter For cable T-plugs
3M PR 23.2 93-EE 705-6
93-EE 715-6
Nexans Euromold 400TR 400TB/G; 430TB-630A; 300PB-630A; 440TB/G
K400TB/G; K430TB-630A; K300PB-630A; K440TB/G
800TR 484TB/G; 804PB/G
489TB/G; 809PB/G
K484TB/G; K804PB/G
K489TB/G; K809PB/G
nkt cables PAK 630 M12 CB 12-630; CC 12-630
CB 17.5-630; CC 17.5-630
CB 24-630; CC 24-630
CB 24-1250-2; CC 24-1250-2
PAK 630 M16 CB 36-630(1250); CC 36-630(1250)
CB 42-1250-3, CC 42-2500-3
Südkabel PR 23.1 SET 12; SEHDT 13; SEHDK 13.1
SET 24; SEHDT 23; SEHDK 23.1
Tyco Electronics Raychem RSTI-68TR
RSTI-68TRL
RSTI-58xx; RSTI-CC-58xx
RSTI-395x; RSTI-CC-395x; RSTI-595x; RSTI-CC-595x
GCA CJB10-TB CJBxx-630; CJBKxx-630
ABB Kabeldon PG-A 630 CSE-A xx630-xx
Cellpack CPS CTS 630A 24kV; CTKS 630A 24kV

Siemens NXPLUS C Specifications

General

Brand	Siemens
Model	NXPLUS C
Category	Circuit breakers
Language	English