METREL EurotestXE, Instruction Manual

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MI 3102(H) BT Eurotest XE Autosequences
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Displayed results for IT system:
U12 ........... voltage between phases L1 and L2
U1pe ........ voltage between phase L1 and protective conductor
U2pe ........ voltage between phase L2 and protective conductor
f ................ frequency
Line impedance
Z ............... line impedance
Isc ............ prospective short-circuit current
Lim ........... low limit prospective short-circuit current value
Loop impedance (Zs or Zs
RCD
)
Z ............... loop impedance
Isc ............ prospective fault current
Lim ........... low limit prospective fault current value
PE conductor resistance (Rpe or Rpe
RCD
)
R .............. PE conductor resistance
First fault leakage current - ISFL (AUTO IT sequence only)
Isc1 .......... first fault leakage current at single fault between L1/PE
Isc2 .......... first fault leakage current at single fault between L2/PE
Testing of insulation monitoring devices - IMD (AUTO IT sequence only)
R1 ............ threshold indicative insulation resistance for phase 1
I1 .............. first fault leakage current at single fault between L1/PE
R2 ............ threshold indicative insulation resistance for phase 2
I2 .............. first fault leakage current at single fault between L2/PE
Displayed results once auto-sequence finished and recalled results:
Figure 6.7: Example of recalled AUTO TN auto-sequence results