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Inverter tripping main RCD
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<blockquote data-quote="binky" data-source="post: 545631" data-attributes="member: 490"><p>And this is one of the reasons solar should not be on a shared RCD.</p><p></p><p>Your main board is rather out of date, a single RCD main switch went out of fashion about 25 years ago. In short a single small fault could shut down the entire house. This is known as 'nusiance tripping'. Earth leakage from multiple appliances, plus the inverter relays chattering in the morning will trip the RCD every time. Your sparky should have done something about it, plus the RCBOs in the garage will not trip before the house as they will not be seeing earth leakage from your appliances.</p><p></p><p>Your current set up is also dangerous, the inverter has a shut down time of upto 3 seconds on loss of mains power. Your RCD is supposed to trip in milliseconds, so if you are getting belted by the electrics for some reason, the RCD may trip like it should, but the inverter will continue to try and kill you with 16Amps for up to 3 seconds. Get it changed.</p></blockquote><p></p>
[QUOTE="binky, post: 545631, member: 490"] And this is one of the reasons solar should not be on a shared RCD. Your main board is rather out of date, a single RCD main switch went out of fashion about 25 years ago. In short a single small fault could shut down the entire house. This is known as 'nusiance tripping'. Earth leakage from multiple appliances, plus the inverter relays chattering in the morning will trip the RCD every time. Your sparky should have done something about it, plus the RCBOs in the garage will not trip before the house as they will not be seeing earth leakage from your appliances. Your current set up is also dangerous, the inverter has a shut down time of upto 3 seconds on loss of mains power. Your RCD is supposed to trip in milliseconds, so if you are getting belted by the electrics for some reason, the RCD may trip like it should, but the inverter will continue to try and kill you with 16Amps for up to 3 seconds. Get it changed. [/QUOTE]
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