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Subject: RE: [energyinterop] DR Resource and DR Asset Definitions
Agreed. Thanks. Bruce Bartell Xtensible Solutions From: Edgardo Luzcando [mailto:ELuzcando@midwestiso.org] Bruce, I think this “A Resource represents a group of
Assets” should be something like “A Resource can be an Asset or a
group of Assets”. The current suggestion implies there is more than
one. Thanks, e From: Bruce Bartell
[mailto:bbartell@xtensible.net] A combined definition of Resource might be: A Resource is a logical entity that represents a
dispatchable entity that has a reportable interval level of consumption. For
example, a site may also be a physical entity that may have its own meter, a
neighborhood of homes that has a net meter, or an estimate of consumption of an
aggregation of retail customers. A Resource represents a group of Assets. I included the definition of EndDeviceControl because,
as the logical control of an Asset or an Asset Group, it is the object that
consumes the DR (or any other) message. Bruce Bartell Xtensible
Solutions From: William Cox
[mailto:wtcox@CoxSoftwareArchitects.com] Please forward to EMIX as well.
Below is a summary of some existing definitions. UCA: A DR Resource is used during the enrollment
process. A DR Resource as a logical entity is a group of Assets that represents
a dispatchable entity. Other work from [This following is from an earlier draft of the other
work from Response Method: A measurable action taken in response
to an instruction to change consumption. Response Method Aggregation: A logical entity that has
a reportable interval level consumption, e.g. a site may also be a physical
entity that may have its own meter, a neighborhood of homes that has a net
meter, or an estimate of consumption of an aggregation of retail customers. Resource: A market-dependent group of Response Method
Aggregations that represents a dispatchable entity.] UCA: DR Asset is defined as an end device that is
capable of shedding load in response to Demand Response Events, Electricity
Price Signals or other system events (e.g. under frequency detection). [This definition should include some reference to the
fact that it is defined as something separate from a Resource for purposes of
Direct Load Control. The interactions defined for UCA also specify that an
Asset can consume a Price Signal.] CIM: EndDeviceAsset: AssetContainer that performs one
or more end device functions. One type of EndDeviceAsset is a MeterAsset which
can perform metering, load management, connect/disconnect, accounting
functions, etc. Some EndDeviceAssets, such as ones monitoring and controlling
air conditioner, refrigerator, pool pumps may be connected to a MeterAsset. All
EndDeviceAssets may have communication capability defined by the associated
ComFunction(s). An EndDeviceAsset may be owned by a consumer, a service
provider, utility or otherwise. There may be a related end device function that
identifies a sensor or control point within a metering application or
communications systems (e.g., water, gas, electricity). Some devices may use an optical port that conforms to
the ANSI C12.18 standard for communications. CIM: EndDeviceControl (Logical End Device): Instructs
an EndDeviceAsset (or EndDeviceGroup) to perform a specified action. Bruce Bartell Xtensible
Solutions bbartell@xtensible.net
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