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     Network Working Group                              J. Parello
     Internet-Draft                            Cisco Systems, Inc.
     Intended Status: Informational
     Expires: April 19, 2014                      October 19, 2013
     
     
                       Energy Management Terminology
                     draft-parello-eman-definitions-09
     
     
     Status of this Memo
     
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     Copyright Notice
     
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     Abstract
     
        This document contains definitions and terms used in the
        Energy Management Working Group. Each term  contains a
        definition(s), example, and reference to a normative,
        informative or well know source. Terms originating in this
        draft should be either composed of or adapted from other
        terms in the draft with a source. The defined terms will
        then be used in other drafts as defined here
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
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     Table of Contents
     
        1. Introduction..........................................
                                                                 3
        2. Terminology...........................................
                                                                 3
        3. Relationship to Other Standards.......................
                                                                 9
        4. Security Considerations...............................
                                                                 9
        5. IANA Considerations...................................
                                                                 9
        6. References............................................
                                                                 9
        7. Acknowledgments......................................
                                                                10
     
     1. Introduction
     
        Within Energy Management there are terms that may seem
        obvious to a casual reader but in fact require a rigorous
        and sourced definition.  To avoid any confusion in terms
        among the working group drafts, one glossary / lexicon of
        terms should exist that all drafts can refer to. This will
        avoid a review of terms multiplied across drafts.
     
        This draft will contain a glossary of definitions of terms
        that can be agreed upon by the working group outside of the
        context of drafts and then included in or sourced to this
        draft.
     
        Each term will contain a definition(s), a normative or
        informative reference, an optional example, an optional
        comment(s) listed a note(s).
     
        All terms should be rooted with a well-known reference. If
        a definition is taken verbatim from a reference then the
        source is listed in square brackets. If a definition is
        derived from a well-known reference then the source is
        listed as "Adapted from" with the reference listed in
        square brackets. If a defined term is newly defined here
        the reference will indicate as such by stating "herein" and
        if applicable list any composing terms from this document.
     
        The terms are listing in an order that aids in reading
        where terms may build off a previous term as opposed to an
        alphabetical ordering. Some terms that are common in
        electrical engineering or that describe common physical
        items use a lower case notation.
     
     2. Terminology
     
        $ Energy Management
          Energy Management is a set of functions for measuring,
          modeling, planning, and optimizing networks to ensure
     
     
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          that the network and network attached devices use energy
          efficiently and appropriately for the nature of the
          application and the cost constraints of the organization.
     
          Reference: Adapted from [ITU-T-M-3400]
     
          NOTES:
          1. Energy management refers to the activities, methods,
          procedures and tools that pertain to measuring, modeling,
          planning, controlling and optimizing the use of energy in
          networked systems [NMF].
     
          2. Energy Management is a management domain which is
          congruent to any of the FCAPS areas of management in the
          ISO/OSI Network Management Model [TMN]. Energy Management
          for communication networks and attached devices is a
          subset or part of an organization's greater Energy
          Management Policies.
     
        $ Energy Management System (EnMS)
          An Energy Management System is a combination of hardware
          and software used to administer a network with the
          primary purpose of energy management.
     
          Reference: Adapted from [1037C]
     
          NOTES:
          1. An Energy Management System according to [ISO50001]
          (ISO-EnMS) is a set of systems or procedures upon which
          organizations can develop and implement an energy policy,
          set targets, action plans and take into account legal
          requirements related to energy use.  An ISO-EnMS allows
          organizations to improve energy performance and
          demonstrate conformity to requirements, standards, and/or
          legal requirements.
     
          2. Example ISO-EnMS:  Company A defines a set of policies
          and procedures indicating there should exist multiple
          computerized systems that will poll energy from their
          meters and pricing / source data from their local
          utility. Company A specifies that their CFO should
          collect information and summarize it quarterly to be sent
          to an accounting firm to produce carbon accounting
          reporting as required by their local government.
     
          3. For the purposes of EMAN, the definition from [1037C]
          is the preferred meaning of an Energy Management System
          (EnMS). The definition from [ISO50001] can be referred to
          as ISO Energy Management System (ISO-EnMS).
     
     
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        $ Energy Monitoring
          Energy Monitoring is a part of Energy Management that
          deals with collecting or reading information from Energy
          Objects to aid in Energy Management.
     
        $ Energy Control
          Energy Control is a part of Energy Management that deals
          with directing influence over Energy Objects.
     
        $ electrical equipment
          A general term including materials, fittings, devices,
          appliances, fixtures, apparatus, machines, etc., used as
          a part of, or in connection with, an electric
          installation.
          Reference: [IEEE100]
     
        $ non-electrical equipment (mechanical equipment)
          A general term including materials, fittings, devices
          appliances, fixtures, apparatus, machines, etc., used as
          a part of, or in connection with, non-electrical power
          installations.
     
          Reference: Adapted from [IEEE100]
     
        $ device
          A piece of electrical or non-electrical equipment.
          Reference: Adapted from [IEEE100]
     
        $ component
          A part of an electrical or non-electrical equipment
          (device).
          Reference: Adapted from [ITU-T-M-3400]
     
        $ power inlet
          A Power Inlet (or simply inlet) is an interface at which
          a device or component receives energy from another device
          or component.
     
        $ power outlet
          A power outlet (or simply outlet) is an interface at
          which a device or component provides energy to another
          device or component.
     
        $ energy
          That which does work or is capable of doing work. As used
          by electric utilities, it is generally a reference to
          electrical energy and is measured in kilowatt hours
          (kWh).
     
     
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          Reference: [IEEE100]
     
        $ power
          The time rate at which energy is emitted, transferred, or
          received; usually expressed in watts (joules per second).
     
          Reference: [IEEE100]
     
        $ demand
          The average value of power or a related quantity over a
          specified interval of time. Note: Demand is expressed in
          kilowatts, kilovolt-amperes, kilovars, or other suitable
          units.
     
          Reference: [IEEE100]
     
          NOTES:
          1. While IEEE100 defines demand in kilo measurements, for
          EMAN we use watts with any suitable metric prefix.
     
          NOTES
          1. Energy is the capacity of a system to produce external
          activity or perform work [ISO50001]
     
        $ provide energy
          A device (or component) "provides" energy to another
          device if there is an energy flow from this device to the
          other one.
     
        $ receive energy
          A device (or component) "receives" energy from another
          device if there is an energy flow from the other device
          to this one.
     
        $ meter (energy meter)
          a device intended to measure electrical energy by
          integrating power with respect to time.
     
          Reference: Adapted from [IEC60050]
     
        $ battery
          one or more cells (consisting of an assembly of
          electrodes, electrolyte, container, terminals and usually
          separators)  that are a source and/or store of electric
          energy.
     
          Reference: Adapted from [IEC60050]
     
     
     
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        $ Power Interface
          A power inlet, outlet, or both.
     
        $ Nameplate Power
          The Nameplate Power is the nominal Power of a device as
          specified by the device manufacturer.
     
        $ Power Attributes
          Measurements of the electrical current, voltage, phase
          and frequencies at a given point in an electrical power
          system.
          Reference: Adapted from [IEC60050]
     
          NOTES:
          1. Power Attributes are not intended to be judgmental
          with respect to a reference or technical value and are
          independent of any usage context.
     
        $ Power Quality
          Characteristics of the electrical current, voltage, phase
          and frequencies at a given point in an electric power
          system, evaluated against a set of reference technical
          parameters. These parameters might, in some cases, relate
          to the compatibility between electricity supplied in an
          electric power system and the loads connected to that
          electric power system.
     
          Reference: [IEC60050]
     
          NOTES:
          1. Electrical characteristics representing power quality
          information are typically required by customer facility
          energy management systems. It is not intended to satisfy
          the detailed requirements of power quality monitoring.
          Standards typically also give ranges of allowed values;
          the information attributes are the raw measurements, not
          the "yes/no" determination by the various standards.
     
          Reference: [ASHRAE-201]
     
        $ Power State
          A Power State is a condition or mode of a device that
          broadly characterizes its capabilities, power
          consumption, and responsiveness to input.
     
          Reference: Adapted from [IEEE1621]
     
        $ Power State Set
     
     
     
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          A Power State Set is a collection of Power States that
          comprises a named or logical control grouping.
     
        $ Energy Object
          An Energy Object is an information model (class) that
          represents a piece of equipment that is part of, or
          attached to, a communications network which is monitored,
          controlled, or aids in the management of another device
          for Energy Management.
     
        $ Energy Management Domain
          An Energy Management Domain is a set of Energy Objects
          that is considered one unit of management.
     
        $ Energy Object Identification
          Energy Object Identification is a set of attributes that
          enable an Energy Object to be universally unique or
          linked to other systems.
     
        $ Energy Object Context
          Energy Object Context is a set of attributes that allow
          an Energy Management System to classify an Energy Object
          within an organization.
     
        $ Energy Object Relationship
          An Energy Object Relationship is an association among
          Energy Objects.
     
          NOTES
          1. Relationships can be named and could include
          Aggregation, Metering, and Power Source.
          Reference: Adapted from [CHEN]
     
        $ Power Source Relationship
          A Power Source Relationship is an Energy Object
          Relationship where one Energy Object provides power to
          one or more Energy Objects. These Energy Objects are
          referred to as having a Power Source Relationship.
     
        $ Metering Relationship
          A Metering Relationship is an Energy Object Relationship
          where one Energy Object measures power, energy, demand or
          power attributes of one or more other Energy Objects. The
          measuring Energy Object has a Metering Relationship with
          each of the measured objects.
     
        $ Aggregation Relationship
          An Aggregation Relationship is an Energy Object
          Relationship where one Energy Object aggregates Energy
     
     
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          Management information of one or more other Energy
          Objects. The aggregating Energy Object has an Aggregation
          Relationship with each of the other Energy Objects.
     
        $ Proxy Relationship
          A Proxy Relationship is an Energy Object Relationship
          where one Energy Object provides the Energy Management
          capabilities on behalf of one or more other Energy
          Objects. These Energy Objects are referred to as having a
          Proxy Relationship.
     
     3. Relationship to Other Standards
     
     When applicable the [IEEE100] was used as the preferred
     source. If a term was not available from [IEEE100], then
     [IEC60050] was used.  When these were multiple items from
     [IEEE100], [IEC60050] or  [ISO50001], there were all included.
     
     4. Security Considerations
     
          None
     
     5. IANA Considerations
     
          None
     
     6. References
     
     Normative References
     
     
     Informative References
     
     
        [IEEE1621]  "Standard for User Interface Elements in Power
                  Control of Electronic Devices Employed in
                  Office/Consumer Environments", IEEE 1621,
                  December 2004
     
        [ITU-T-M-3400] TMN recommandation on Management Functions
                  (M.3400), 1997
     
        [NMF] "Network Management Fundamentals", Alexander Clemm,
                  ISBN: 1-58720-137-2, 2007
     
        [TMN] "TMN Management Functions : Performance Management",
                  ITU-T M.3400
     
     
     
     
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        [1037C] US Department of Commerce, Federal Standard 1037C,
                  http://www.its.bldrdoc.gov/fs-1037/fs-1037c.htm
     
        [IEEE100] "The Authoritative Dictionary of IEEE Standards
                  Terms"
                  http://ieeexplore.ieee.org/xpl/mostRecentIssue.js
                  p?punumber=4116785
     
        [ISO50001] "ISO 50001:2011 Energy management systems -
                  Requirements with guidance for use",
                  http://www.iso.org/
     
        [IEC60050] International Electrotechnical Vocabulary
                  http://www.electropedia.org/iev/iev.nsf/welcome?o
                  penform
     
        [ASHRAE-201] "ASHRAE Standard Project Committee 201
                        (SPC 201)Facility Smart Grid Information
                        Model", http://spc201.ashraepcs.org
     
        [CHEN] "The Entity-Relationship Model: Toward a Unified
                  View of Data",  Peter Pin-shan Chen, ACM
                  Transactions on Database Systems, 1976
     
     7. Acknowledgments
     
        The author would like to thank the authors of the current
        working group drafts for the discussions and definition
        clarifications.
     
        This document was prepared using 2-Word-v2.0.template.dot.
     
     Authors' Addresses
     
        John Parello
        Cisco Systems, Inc.
        3550 Cisco Way
        San Jose, California 95134
        US
     
        Phone: +1 408 525 2339
        Email: jparello@cisco.com
     
     
     
     
     
     
     
     
     
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