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High Speed Bus Transfer Problem..with pdf which includes spontaneous anonciation (Siprotec 7VU68)

High Speed Bus Transfer Problem..with pdf which includes spontaneous anonciation (Siprotec 7VU68)

High Speed Bus Transfer Problem..with pdf which includes spontaneous anonciation (Siprotec 7VU68)

(OP)

Friends ,

When I try to transfer busbars ; sometimes transfer is succesfull , sometimes not .There s no time inhibit.Synchron is ok.

HSBT relay sends close command to incomers CB's .But still sometimes we cant do transfer.

But I coulndt find the problem.

Thanks..

http://files.engineering.com/getfile.aspx?folder=9...

http://files.engineering.com/getfile.aspx?folder=7...

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