9 | Operation
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8DJH • Installation and Operating Instructions • Version 11 • 500-8384.9
3. Verify safe isolation from supply.
4. Earth the feeder.
5. Remove the cable compartment cover [
Page 125, "Removing and mounting the cable
6. Remove the voltage transformers on the testing section and close the bushings in a surge-
proof way.
7. Undo the screw-type cone at the cable T-plug or at the adapter.
8. Fit cable test elements (e.g. measuring bolts) according to the operating instructions of the
plug manufacturers. Use only cable test elements of the cable plug manufacturer.
9. Barrier the area around the testing place.
10. De-earth.
11. Perform the test according to the recommendations of the cable manufacturers or the
customers' specifications.
After the test
1. Earth the feeder under test.
2. Remove cable test elements.
3. Clean the screw-type cone and apply the supplied mounting paste.
4. Mount the screw-type cone on the cable T-plug according to the manufacturer's instructions.
5. Re-install the removed voltage transformers.
6. Fit the cable compartment cover [
Page 125, "Removing and mounting the cable
7. De-earth the panel and the opposite substation, and re-energize the feeder.
9.10.2 Cable sheath test
DANGER
Mortal danger due to non-interlocked feeder
If the cable compartment cover is removed, the feeder is not interlocked during the cable
sheet test. Switching to CLOSED position can cause an internal arc or an electric shock.
Exceptions: Panels with closing lockout (option) or de-earthing lockout (option)
⇨ Observe the Five Safety Rules.
⇨ Fit switching prohibition signs.
⇨ Padlock the locking device (option).
1. Isolate and earth the feeder under test.
2. Remove the cable compartment cover [
Page 125, "Removing and mounting the cable
3. De-earth the cable shield at the cross member of the subframe as well as in the opposite
substation.
4. Perform cable sheath test following the recommendations of the cable manufacturers or the
customer's stipulation.
5. Mount the cable shield earthing again at the cross member of the subframe as well as in the
opposite substation.
6. Refit and lock the cable compartment cover [
Page 125, "Removing and mounting the
7. De-earth the panel and the opposite substation, and re-energize the feeder.
Содержание 8DJH
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