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Archives for 2020

Passive Two-Phase Cooling of Air Circuit Breakers in Data Center Power Distribution Systems

May 25, 2020 By //  by Scott Findlater

This work presents an experimental investigation of a two-phase looped thermosyphon design for cooling Air Circuit Breakers (ACBs) in switchgear used in data center power distribution systems. The FC72 charged thermosyphon is comprised of a bespoke evaporator that is fixed tightly to the copper adaptor of the ACB. Dielectric tubing connects the evaporator to a remote naturally aspirated and thin form factor condenser. Since both the working fluid and the connection tubing are dielectric, the thermosyphon provides electrical isolation between the ACB and the remote heat sink. The condenser is a thin serpentine channel with surface extensions and is cooled by natural convection and radiation to the ambient environment. Benchtop thermal performance tests were performed for increasing load power for two scenarios: for the stand-alone looped thermosyphon and for the case where copper bus bars are also fixed to the ACB adapter. For 60 W thermal power dissipation, a nominal operational condition, the thermal resistance of the looped thermosyphon system was determined to be 0.55 K/W without bus bars attached. With bus bars attached, this decreases to 0.42 K/W which results in a breaker to ambient temperature rise of about 25 K, which is significantly lower than operational limits of 85 K temperature rise. In-situ tests were then performed on a live ACB system carrying a 2000 A load and showed that the looped thermosyphon system was capable of decreasing the ambient temperature rise by 26 K, which is significant. The low thermal resistance of this passive cooling technology opens the opportunity for increased electrical service per breaker and/or a significant reduction in the volume of copper bus bars used with associated cost reduction of ACB technologies.

Click the image below to view the complete technical article (pdf).

Electrical Power & Energy Systems

 

Filed Under: Home Page Featured List, News

Anord Mardix and Daxten Form Strategic Partnership

Feb 4, 2020 By //  by Scott Findlater

Anord Mardix & Daxten Form Strategic Partnership to Deliver Highly Efficient End-to-End Safe Mission Critical Power Distribution Solutions

Kendal/London, 4th February 2020 – Anord Mardix, a global leading manufacturer of innovative solutions for critical power distribution and protection equipment, and Daxten, a provider of smart technologies for data centre monitoring and power infrastructure, announce a strategic partnership agreement.  From today Daxten, through all their European locations, will sell the entire Anord Mardix product range and solutions for highly efficient end-to-end safe mission critical power distribution within the data centre.

“In Daxten we have secured a strong and well-established solution selling partner for our Busbar, Switchgear and Technical services solutions across Europe.  Daxten has more than 25 years of experience in the European data centre market which will prove invaluable as we continue to expand our European critical power solutions and services footprint.” says James Peacock, CEO of Anord Mardix.

“We are very pleased to have been chosen by Anord Mardix to become their strategic partner.  Their product range is an excellent fit within our portfolio of power distribution solutions offerings, from a building’s incoming power through to safe and reliable power supply at the rack level” says Chad Rislov, founder and Managing Director of Daxten.  “Anord Mardix’s cutting-edge products and services complement our existing portfolio, enabling us to offer solutions encompassing all aspects and faculties within a data centre.  We are particularly excited with the Anord Mardix modular power distribution solutions which are safe and fast to install, easy to expand with outstanding technical specifications allowing future proofing and provide an excellent price-performance ratio.”

The entire Anord Mardix product range is now available from Daxten.
For further information;

  • Contact Daxten at uk@daxten.com or call +44 (0)20 8991 6200.
  • Contact Anord Mardix at info@anordmardix.com or call +44 (0)1539 720161

About Anord Mardix

Anord Mardix is the global leader in critical power distribution and protection and have operations in North America, EMEA and the Asia Pacific, with 9 world-class manufacturing facilities comprising over 450,000sq/ft of production space with rapid expansion options and total quality control throughout.  We produce the most comprehensive product range in the market including industry leading LV and HV switchgear, custom built modular solutions, flexible data hall distribution and our technically superior busbar and busway range.  All products are integrated with Anord Mardix power management systems and offer a unique service capability.  We are the vendor of choice to the global data centre and cloud computing industries.  Our ability to customize and produce on a large scale delivers the most reliable end-to-end power systems to all our customers, from independent providers to hyper-scale leaders.  Visit www.anordmardix.com for further information.

About Daxten

For more than 25 years Daxten has provided innovative solutions to the Data Centre Industry.  The company offers cutting edge cooling optimization (CoolControl), power distribution, monitoring and infrastructure solutions that improve the resource efficiency, reliability and security of the data centre.  Daxten is headquartered in London and Berlin.  Visit www.daxten.com/uk/ for further information.

 

Filed Under: Home Page Featured List, Home Page Main Feature, News

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