Commissioning
17
Connect the system in the following order:
Step Description
1
Using the earthing cable, the protective earthing connection
of the HVB 10
is connected to a suitable point on the protective earth system (station earth).
2
Plug in and tighten the HV connection cable to the HV output
on the device,
in compliance with the alignment specified by the guide grooves.
CAUTION
To protect the HV connector from damage, the protective caps on
both jack and plug have to be reinstalled as soon as the cable is
disconnected from the device.
3
Depending on the applied connecting method (see figure on previous page),
connect the
yellow
connection lead either directly to a suitable earth point of
the cable system under test or to one of the faulty inner conductors (which in
turn needs to be earthed).
4
Connect the
red
and the
brown
connection leads to the conductor to be tested
(see figure on previous page).
To achieve optimal results during prelocation, you should use separate
connection clamps or the supplied red Kelvin clip!
5
Connect the
black
and the
green
connection leads to separate healthy
conductors (auxiliary conductors) of the same cable system.
6
At the far end of the cable, connect both auxiliary conductors to the conductor
to be tested (the one to which the
red
and the
brown
connection leads are
connected to).
To achieve optimal results during prelocation, you should use separate
connection clamps or the supplied red Kelvin clip to connect the
auxiliary conductors to the conductor under test.
Make sure the contact is of good quality (remove or clean any dirt or
corroded surfaces).
7
In case of a sheath test or a sheath fault location, the
earthing of the shields
and the auxiliary conductors must be removed
!
If there are any voltage transformers, they must be separated from the test
object. Make also sure that there is no indirect contact to earth, e.g. through
joints.
8
If the unit is to be powered through the mains, connect the supplied mains
power cable to the power supply socket
of the HVB 10 and a mains socket.
Otherwise, the device on being switched on is automatically powered by the
internal battery. In which event, ensure that the battery has a sufficient charge.
If necessary, charge the battery (see page 36).
Procedure
Содержание HVB 10
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