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Who we are

We are a research team assembled to investigate how a new technology, micro-synchrophasors, can be used to understand electric power distribution grid stability.

California Institute for Energy and Environment
Power Standards Lab
University of California at Berkeley
the Lawrence Berkeley National Lab
Individual consultants W. Mack Grady and Ron Hofmann.

Our three-year project started in April 2013, and is funded by the U.S. Department of Energy's ARPA-E (Advanced Research Projects Agency - Energy).

Our project will:

develop, test, and certify a micro-PMU: a new, ultra-high-resolution instrument for measuring voltage angles

develop a wireless network optimized for power distribution systems

deploy a hundred of these instruments at participating utilities

investigate diagnostic applications

investigate control applications

commercialize the results.

Latest news

Micro-PMU project presentations were made at the ISGT Conference in Washington DC on February 20, 2014, and the project was on display at the ARPA-E Summit in National Harbor, Virginia.

A project Review meeting was held on February 10, 2014, at CIEE in Berkeley, California. The first micro-PMU installations, at LBNL's substation and at UC Berkeley, were presented. Memoranda of Understanding with several participating utilities are in place (others in progress) for micro-PMU test installations.

A project Review meeting was held on October 1, 2013, at University of California, Berkeley. The project also participated in the ARPA-E GENI meeting in Virginia on December 10-11, 2013.

A project Update/Review meeting was held on July 9, 2013, at PSL in Alameda, California.

A project kick-off meeting was held on April 8, 2013, at U.C. Berkeley.

Technology update

First installation of micro-PMU's!

The first micro-PMU's were installed 2/2014 at LBNL's Grizzly Peak Substation, and in a lab at U.C. Berkeley's Soda Hall. The two locations are about 3 kilometers apart, and initial measurements show that the voltage phase angle between the locations is approximately 0.25 degrees, most of the time.

PSL demonstrates 0.005 degree resolution for prototype micro-synchrophasor instruments!

For the new micro-synchrophasor instrument based on PSL's PQube®, Power Standards Lab has set one of the lower bounds on short-term phase-angle accuracy at a +/- 0.004 degrees.

Project contacts:
Alexandra von Meier at
vonmeier@uc-ciee.org and/or
Alex McEachern at
Alex@PowerStandards.com.

ㅇ 핵심 기술 (전기품질, 누전분석, 축전지셀진단) 제안, 세미나 자료 다운로드 서비스 (2009.06 버전)

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