EMC-PARTNER 103514, User Manual

Page: 97 / 112

23.04.2012 E-MIG-OS-OS1-MIG0603OSI-E-Manual 97/112
14 Appendix and Correction
14.1 Appendix
14.1.1 Definition of the wave form combination
See chapter clamping voltage tests 8/20 µ
14.1.2 Definition of the wave form energy ring wave
See chapter energy tests 10/1000 µs
14.1.3 Definition of the wave form 10/700 µs
hochohmig
niederohmig
C
S
Rp1 Rp2
Rs Ls
CWG Combination Wave Generator
100%
50%
50%
100%
90%
90%
10%
30%
50µs±20%
20µs±20%
1,2µs±30%
Spannung offener Kreis
Strom im Kurzschluss
8µs±20%
With this information the SURGE circuit of the MIG can be easily verified.
Example: "Voltage"
- choose 1 kV charging voltage
- measure the no load voltage at the generator output. Check whether the wave-form is within the
tolerances or not.
Surge voltage front time T1=1.2 µs ±30%
0.84 - 1.56 µs
Time to half value T2= 50 µs ±20% 40 - 60 µs
measure Umax.
Voltage at no load
high impedance
value
low impedance
value
Current at short circuit