Articles
Articles for dairies, plants, and digesters
Plain explanations of electrical problems we see on dairies, in plants, and at digesters, written for the owners, managers, and operators who deal with them.
Dairy electrical
Stray voltage on dairy farms: signs, causes, testing, and fixes
Signs in the herd and parlor, the usual electrical causes, how cow-contact voltage is measured, and what fixes look like.
Dairy and VFDs
VFDs on milking vacuum pumps: how they work, setup, and common failures
How a drive matches pump speed to demand, what drives the savings, setup considerations, and why pump-room drives fail.
Troubleshooting
Before you call an electrician about a tripping motor or drive
What an operator can safely record, what not to do, and what the electrician will check on site.
Digesters and biogas
Electrical basics for anaerobic digester plants
Typical loads, controls, classified areas around biogas, H2S corrosion, maintenance planning, and generator wiring.
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