MI 3152(H)
Eurotest
XC (2,5 kV)
Auto tests
134
Measurement procedure
Enter the
AUTO TN
function.
Set test parameters / limits.
Measure the impedance Zref at origin (optional), see chapter
7.13 Voltage Drop
.
Connect test cable to the instrument.
Connect test leads or Plug commander to the object under
test, see
Figure 8.10
.
Start the Auto test.
Save results (optional).
Figure 8.11: Examples of AUTO TN measurement results
Measurement results / sub-results
Uln
Voltage between phase and neutral conductors
dU
Voltage drop
Z (LN)
Line impedance
Z (LPE)
Loop impedance
Rpe
PE conductor resistance
Zref
Reference Line impedance
Ipsc (LN)
Prospective short-circuit current
Ipsc (LPE)
Prospective fault current