NEMA ei June 2017 - 23


Ken Gettman
Director, International Standards,

IEC Updates Standards and Procedures


ecent revisions to the International
Organization for Standardization/International
Electrotechnical Commission (ISO/IEC) directives
include procedural changes for project management.
Notably, the time allotted for different stages of
standards development has been shortened. The
IEC implemented a means for individuals to submit
comments during the development and maintenance
of the standards, with the intention of involving
additional stakeholders, but relatively few comments
have been submitted.
The IEC and CENELEC (the European Union's
body for electrotechnical standardization)
implemented an updated agreement that does not
affect NEMA membership. Meanwhile, the IEC
suspended participation by Libya, based on nonpayment of dues. It also expanded involvement
with the Gulf Standards Organization and South
Asia Regional Standards Organization.
Emphasis and activities for systems including
low-voltage direct current (LVDC), smart cities,
non-conventional distribution networks and
microgrids, and cybersecurity continues to grow.

The Advisory Committee on Safety's designation
of group safety function in IEC 62477-1 Safety
requirements for power electronic converter
systems and equipment makes this document
the base standard for products such as
uninterruptible power sources, adjustablespeed drives, and renewable energy systems.
Others may be added to the list of devices that
should use it as a reference. This essentially
supersedes the work done by the product
committee, although permission is given to
incorporate specific details unique to the product.
IEC Systems Evaluation Group 4 established
an LVDC systems committee to coordinate
standardization. Driving these efforts are users in
countries and regions without reliable or existing
electrical grid infrastructure, as well as some
international suppliers. One of the key steps in the
roadmap for LVDC expansion is standardization
for and market availability of protective devices,
such as direct current residual circuit devices
(called ground-fault circuit interrupters in the
United States). ei


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June 2017

Table of Contents for the Digital Edition of NEMA ei June 2017

Comments from the Chairman
Electric News
Looking Ahead for Building Systems
Adding Value through ESPCs
Energy Benchmarking Equals Energy Savings
Case Studies: NEMA Members Go Big on Innovation
Shining a Light on PV Wire
Code & Standards
Business Analytics
NEMA ei June 2017 - Cover1
NEMA ei June 2017 - Cover2
NEMA ei June 2017 - 1
NEMA ei June 2017 - 2
NEMA ei June 2017 - Comments from the Chairman
NEMA ei June 2017 - Views
NEMA ei June 2017 - Electric News
NEMA ei June 2017 - Looking Ahead for Building Systems
NEMA ei June 2017 - Adding Value through ESPCs
NEMA ei June 2017 - Energy Benchmarking Equals Energy Savings
NEMA ei June 2017 - 9
NEMA ei June 2017 - Case Studies: NEMA Members Go Big on Innovation
NEMA ei June 2017 - 11
NEMA ei June 2017 - 12
NEMA ei June 2017 - 13
NEMA ei June 2017 - 14
NEMA ei June 2017 - 15
NEMA ei June 2017 - 16
NEMA ei June 2017 - 17
NEMA ei June 2017 - Shining a Light on PV Wire
NEMA ei June 2017 - 19
NEMA ei June 2017 - Advocacy
NEMA ei June 2017 - Code & Standards
NEMA ei June 2017 - 22
NEMA ei June 2017 - International
NEMA ei June 2017 - Business Analytics
NEMA ei June 2017 - Spotlight
NEMA ei June 2017 - Cover4