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<blockquote data-quote="Tony S" data-source="post: 483334" data-attributes="member: 20864"><p>I pinched an idea from some Kramer drives I worked on for the induction furnace I redesigned. With the Kramer drives before you touched anything you closed a MCB to short the busbars to earth.</p><p></p><p>For the furnace I automated the earthing using a rather hefty contactor and a MCB in series. Previously we had used a brush stale with a welding lead an probe connected to it to manually earth each section, there were some nice fireworks.</p><p></p><p>[ATTACH]10008[/ATTACH]</p></blockquote><p></p>
[QUOTE="Tony S, post: 483334, member: 20864"] I pinched an idea from some Kramer drives I worked on for the induction furnace I redesigned. With the Kramer drives before you touched anything you closed a MCB to short the busbars to earth. For the furnace I automated the earthing using a rather hefty contactor and a MCB in series. Previously we had used a brush stale with a welding lead an probe connected to it to manually earth each section, there were some nice fireworks. [ATTACH]10008._xfImport[/ATTACH] [/QUOTE]
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