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Description / Abstract:
This guide contains information on a number of different
protective relaying practices for the utilityconsumer
interconnection. It is intended to cover applications involving
service to a consumer that normally requires a transformation
between the utility's supply voltage and the consumer's utilization
voltage. Interconnections supplied at the utilization voltage are
not covered.
This guide is not intended to supplant specific utility or
consumer practices, procedures, requirements, or any contractual
agreement between the utility and consumer. The examples of
interconnection protection of varying complexities that have been
provided are used for illustrative purpose only and do not
necessarily represent the preferred protection under all
conditions.
This guide addresses consumers, with or without conventional
generation, that are connected to utility subtransmission or
transmission circuits. The specific control schemes associated with
generation are not addressed. It is not intended to apply to
consumer generation connected to utility distribution circuits. For
these interconnections, refer to IEEE Std 1547™-2003
[B8].1
Purpose
The primary purpose of this guide is to help those who are
responsible for the application of protective relaying for the
electrical interconnection between utility and consumer systems. It
is anticipated that representatives of the utility, the consumer,
and their consultants who are responsible for the specification,
design, and operation of the interconnection will use this guide.
Recognizing the diverse audience being addressed, background
information is included in a bibliography to direct the reader to
more complete treatment of the material.
1 The numbers in brackets correspond to those of the
bibliography in Annex A.