Some of you might remember that back in 1975 Paul Simon had a hit song entitled “50 Ways to Leave Your Lover.” Well, coming in a close second are the number of ways (47) that you can wire a 3-phase power meter incorrectly! In this article we’ll briefly discuss why there are so many ways […]
Read PostMost people involved in building automation are familiar with kW, which is the rate at which a building is consuming energy from the power company. But there is another power system parameter known as VAR/kVAR which is less well understood. In this article we will attempt to dispel some of the VAR mystery. The term […]
Read PostUpdate!! The ENG-ETH Ethernet Communication Module for endicator is now available. It reads data from the endicator™ main processor, formats the data, and transmits it over Ethernet using BACnet IP, Ethernet IP, and Modbus TCP protocols. The module also hosts a website where meter status can be viewed using any browser that supports Adobe Flash. […]
Read PostIn my last blog entry I raved about the endicator power monitor and how it will make my life easier and that is all true. What the designers have done, unbeknownst to them, is they have made life easier for future DR too. I’ll try to explain. Chances are if you are reading this you […]
Read PostMy first exposure to power monitoring was the WT series. I started out in the warehouse shipping them. Then I progressed to stripping the wires used for the CT shorting assembly. After that I assembled them, put them in enclosures, and added the shorting switches when they were ordered. From the warehouse I moved to […]
Read PostYou may have noticed that energy prices are on the rise. While there is much chatter about wind farms, solar panels and hydrogen-powered vehicles, Building Automation Industry customers are reliant upon current energy sources and those prices continue to go up. While we have little control over energy prices, we can control costs by controlling […]
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