marke Posted March 30, 2014 Report Share Posted March 30, 2014 SNZ HB 6117:2014 Electrical installations in dairy sheds has been released.This standard also covers the installation of VFDs in dairy sheds for reducing high frequency stray voltages. The nominated voltage of 1Vpk-pk is still high enough to create issues with some herds from my experience. I prefer to use 0.3V pk-pk, quite achievable and low enough to eliminate problems. Mark Empson | administratorSkype Contact = markempson | phone +64 274 363 067LMPForum | Power Factor | L M Photonics Ltd | Empson family | Advanced Motor Control Ltd | Pressure Transducers | Smart Relay | GSM Control | Mark Empson Website | AuCom | Soft Starters Link to comment Share on other sites More sharing options...
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