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Richard Marsh 1	11/03/2017 19:51:46
2 forum posts	Hi all,I have just bought a Colchester student 1800.I would like to know what would be the recommended inverter to use.The motor has at sometime been changed to a dual voltage single speed 2.2 kw 3 HP.Sorry if this has been asked before,I have looked at previous post's on this subject but didn't find what I was looking for. Regards, Rich.
Neil Wyatt	11/03/2017 20:00:23
19226 forum posts 749 photos 86 articles	Hello Richard Welcome to the forum. You will need a VFD that can deliver 2.2kW and wire the motor to run at 240V delta. Neil
MalcB	11/03/2017 20:00:46
257 forum posts 35 photos	Hi Richard, I have recently converted my Harrison M300 2.2kw 3hp with similar single speed motor using the Teco 2.2kw 230v single phase to 230v 3 phase Inverter EV series from Direct Drives. https://www.ebay.co.uk/itm/381471313429 Edited By MalcB on 11/03/2017 20:07:39
Richard Marsh 1	12/03/2017 16:02:30
2 forum posts	Thanks for the replies,much appreciated.
john fletcher 1	12/03/2017 18:01:54
893 forum posts	I'm no expert ! but I altered the connections on a friends lathe motor from star to delta and fitted Huanyang 2.2 KW inverter which cost £90.40 via ebay, it was here in 4 days obviously not direct from PRC but some where here in UK. I have kept a copy of the programming should you or anyone else like a copy.I also I altered the lathe coolant pump so that it runs independently from a 240 volt supply, by reconnecting the motor to delta and then fitted, I think a 4 micro farad capacitor ex fluorescent lighting one. John

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