User manual
30
VDE 0100-compliant demonstration case
4. Fault simulation
The following faults can be simulated by means of the fault switches:
Switch Parameter
Approx.
parameter value
without fault
Approx.
parameter value
with fault
R
PE
resistance of the protective conductor between the
SURWHFWLYHFRQGXFWRUEXVEDU3(DQGWKHSURWHFWLYH
conductor terminal of the hot-water tank
R
PE
§ȍ R
PE
§ȍ
R
ISO
insulating resistance between the L terminal of the
mains socket and the protective conductor busbar
3(
R
ISO
!0ȍ R
ISO
§0ȍ
Z
LINE
line impedance between the L and N terminals of the
mains socket
Z
LINE
§=[ȍ Z
LINE
§=[ȍ
RCD trip of the RCD W¨PV no trip
R
E/LOOP
earthing resistance R
E
R
E
§ȍ R
E
§ȍ
Z
X
= line impedance at the input of the supplying mains socket