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Shedding Light on Three-Phase Power - Part 2

Posted by RJ Tee on Jul 23, 2018 11:54:55 AM

 

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Topics: HDOT, density, 3 Phase power, three phase power, alt-phase

Shedding Light on Three Phase Power - Part 1

Posted by RJ Tee on Jul 17, 2018 9:10:00 AM

Ask most people involved in data center operations to explain three-phase power to you, and you’ll notice that they get a little squeamish. Except for your Principals of Electricity professor in college, most people have a difficult time explaining three-phase power. Heck, most people have a tough time explaining how power works, period.

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Topics: 3 Phase power, Alternating phase, 3 phase

On the Benefits of Alternating Phase

Posted by RJ Tee on Feb 9, 2018 10:49:00 AM

Originally Posted on Oct 10, 2017 - Updated Feb 09, 2018

We’ve extolled the virtues of single phase 60A power distribution to the rack.  But there are still may situations in which a three phase deployment is required to power the needs of racks that consume 12kW or more.  In other words, situations that begin with ‘high’ and end with ‘density.’

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Topics: 3 Phase power, Alternating phase, Helpful Features, 3 phase PDU

What to consider when choosing a Power Distribution Unit

Posted by Bob Parente on Dec 20, 2012 1:13:00 PM

Considering Power Distribution Units (PDU) for your data center racks and IT equipment should require much more thought than simply selecting a ‘power-strip’ hardware configuration.  If you care about Green energy initiatives and desire to save on electricity cost by making the most efficient use of the energy you use, make the move to intelligent rack PDUs if you haven’t already done so. This is particularly true for a new data center build and collocations.  If you’re considering a collocation space, choosing the right PDU features will provide additional insight into your true energy use and a tool for capacity planning.  We are now seeing large data center growth with collocation providers that charge clients based on actual energy consumed, kilowatt hour (kWh).  A well thought out data center power distribution implementation will lead to reduced downtime, improved power monitoring management & control capabilities, and drive greater energy efficiency.   The best suited Power Distribution solution requires considerable planning. 

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Topics: -48 VDC, Power Distribution Unit, PDU, data centers, 3 Phase power, power strip, power solution, power management, 380V DC, capacity planning, Server Technology, power measurement

Ask the Engineer - How do I calculate power from 3-phase LED readings?

Posted by Robert Faulkner on Oct 9, 2010 9:29:00 AM

Question from Steven G.: How do I calculate the power usage for devices attached to one of your Smart PDU's by looking at the digital readouts on them? I understand the 3-phase power calculation of P=VA*1.73, but is that done on each leg/phase (x,y,z) for the PDU? An example from a CS-24VY-L30MA is X=4.6, Y=4.6, Z=6.3

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Topics: 3 Phase power

3 Phase Power Distribution

Posted by Bruce Auclair on Apr 26, 2007 8:11:00 PM

Lately, we've been getting quite a few questions from customers, channel partners and just about everyone else on 3 phase power. It seems everyone is searching for an effective solution to deliver power to all of the varying devices in their high density cabinets. Rather than trying to re-invent the wheel, we invite you to explore the following resources, all of which we have found to be extremely helpful in discussing 3 phase power with customers.

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Topics: high density cabinets, Power Distribution Unit, 3 Phase power, power distribution

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