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effect lightning strike on grounded power supply

6/7/2016 8:33 AM	Rate (0)
electric123 Posts: 8 Rating: (0)	Dear forum Recently we deal with a critical problem which is malfunctioning of SIEMENS FUM cards during lightning strikes . In addition the -12vdc power supply is grounded .i guess that the potential of ground increases through -12vdc (which is grounded) and causes this problem . i look forward any solution for this problem.
electric123 Posts: 8 Rating: (0)
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6/7/2016 11:16 AM	Rate (0)
Wit_Moderator Moderator Joined: 8/21/2014 Last visit: 12/19/2025 Posts: 1098 Rating: (15)	The question is posted twice. Please continue here: https://support.industry.siemens.com/tf/de/en/posts/150091/ Best regards The Helping Hand
	My Forum is the place to personalize your profile, track your topics, and maintain content that interests you. Best regards Wit_Moderator
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