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Farm Building and Infrastructure
Renewable Energy
Any electrical engineers here?
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<blockquote data-quote="Macsky" data-source="post: 7365398" data-attributes="member: 44120"><p>I’ve got a problem with a small hydro generator that I look after. The brake was was recently for refurbishment. It is an electromagnetic set up, sits on the end of the motor, fixed disc on the back of the motor, then brake pad on motor shaft, then brake mechanism on the end, spring applied, energise to release.</p><p>It has failed and eaten right through the available wear on the pad, now freewheeling. </p><p></p><p>The brake supply is 240v from the control unit, through a rectifier to the brake. The rectifier and the coil within the brake unit appear to be goosed. Is there any way to tell which went first? Company are saying rectifier blew first, causing damage to brake coil........under which circumstance the brake would obviously not be covered by any warranty from the refurb work. Will this be right? Is there any way of knowing?</p></blockquote><p></p>
[QUOTE="Macsky, post: 7365398, member: 44120"] I’ve got a problem with a small hydro generator that I look after. The brake was was recently for refurbishment. It is an electromagnetic set up, sits on the end of the motor, fixed disc on the back of the motor, then brake pad on motor shaft, then brake mechanism on the end, spring applied, energise to release. It has failed and eaten right through the available wear on the pad, now freewheeling. The brake supply is 240v from the control unit, through a rectifier to the brake. The rectifier and the coil within the brake unit appear to be goosed. Is there any way to tell which went first? Company are saying rectifier blew first, causing damage to brake coil........under which circumstance the brake would obviously not be covered by any warranty from the refurb work. Will this be right? Is there any way of knowing? [/QUOTE]
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Any electrical engineers here?
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