Hi Mick,
I run the same simulation and got similar result. With 2500V generator capacitor voltage , output voltage is 2.351V.
I use model from ITU-T.K44.
Regards
Arkadiy
From: mickm [mailto:mjmaytum@xxxxxxxxx]
Sent: Thursday, February 15, 2018 8:24 PM
To: STDS-802-3-ISOLATION@xxxxxxxxxxxxxxxxx
Subject: [802.3_ISOLATION] 1.2/50 generator voltage
EXTERNAL EMAIL
Thanks everyone for listening to my TC 109 presentation.
The last question we had was on the 1.2/50 generator voltage.
The practice in the ITU-T is to quote the generator capacitor charge voltage. This catches some people out as the IEC 60060-1 quotes the peak open-circuit 1.2/50 waveform voltage.
I did a run with my 1.2/50-8/20 combination wave generator simulation with the capacitor charge voltage set to 2.5 kV. The resulting peak open-circuit 1.2/50 voltage was 2.31 kV, some 4 %
lower than the 2.4 kV in 802.3.
A small difference that I wouldn't lose any sleep over.
Regards
Mick
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