Assembling and Installation Guide
Inside the AXOS8, there are filter capacitors connected between L-PE and N-PE, as required by
the standard.These capacitors will cause a residual current, which will trip the residual current
circuit breaker.
Hence, an isolation transformer needs to be inserted between main power supply and "EUT
Supply Input" as shown in Figure 4-1 below.
Figure 5-1 Transformer connection
N and PE need to be connected as shown in the Figure Figure 5-1 Transformer
connection. This enables that a possible follow current from the mains can be delivered to
the EUT.
All further equipment connected after the isolation transformer are not protected any more
by the residual current circuit breaker.
5.1.4 Connection to EUT
The L, N and PE banana sockets on the front panel are the outputs of the integrated single-phase
CDN. For power line testing, the EUT is connected here.
There are three banana-plugs (non-stackable) delivered with the standard accessories set:
- black: line conductor
- blue: neutral conductor
- green: protection earth conductor
These banana plugs shall be mounted on a suitable connection cable.
5.1.5 V dip Input
The "V dip" input is used to supply voltage having XX% level for Dips testing.
For example, for testing 40% Dips level, 92V supply need to be connected between "V dip" and
neutral (at nominal voltage 230V).
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