Franck Gruffaz

Franck Gruffaz

Franck Gruffaz spent half of his career in R&D as a project manager or technical manager in the field of Industry, MV and LV protection and measurement before moving to standardization activities. He is now a senior standardization manager at Schneider Electric in topics such as power quality, energy efficiency and power metering, and is involved in IEC committees such as IEC TC85, IEC SC77A, IEC SC65A and IEC SC77B.

Understanding the IEC 61557-12 Standard That Makes Meter Comparisons Easier – Part 2

As I described in my previous post, the International Electrotechnical Commission’s (IEC) Standard 61557-12, “Electrical safety in low voltage distribution systems up to 1000V a.c. and 1500V d.c. – Equipment… Read more »

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Understanding the IEC 61557-12 Standard That Makes Meter Comparisons Easier-Part 1

Digital Power Metering and monitoring Devices (PMDs) are fast replacing analog equipment, providing more accurate measurements and enabling remote data access. But specifying these devices could become problematic without common… Read more »

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European regulation MID related to legal metrology

As mentioned in my previous post, legal metrology is usually covered by regulations and applies to measuring instruments used in: Commercial transactions (e.g. weight-price scales for retail stores, petrol pumps,… Read more »

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Grid Power Quality

Power-quality problems, including such issues as voltage irregularities and harmonic disturbances, can cause problems with a facility’s equipment and operations. Standards have been developed to help address this issue by… Read more »

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The interest of legal metrology for billing applications

As anyone, I have to pay for the electricity, the gas or the water I am consuming in my house. As anyone, I would be very angry if I am… Read more »

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Monitoring Electrical Distribution Network on the Demand Side – Beyond Just On and Off

To a single end user, measuring the availability of power is an easy exercise: Flip the nearest wall switch and observe whether the lights come on or you remain in… Read more »

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Using PMDs (Power Metering & Monitoring Devices) to Measure and Manage Energy Costs

Electricity meters have been critical components in facility electrical design since utility customers began paying for the commodity. However, while traditional meters at service-entrance points provide utilities with the consumption… Read more »

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Monitoring Building’s Energy Use – EE Standards & Regulation to Optimize Energy Performance

Understanding a building’s energy use is more than just good business sense – under a number of jurisdictions around the globe, it’s becoming the law. From the European Union to… Read more »

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Guide to Measuring Applications on the Supply and Demand Side

Measuring and managing – these two concepts go hand in hand. You can’t manage what you can’t measure, as the classic business adage says, and you also can’t see how… Read more »

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