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HAN Use Case - Mobile HAN Devices with Metering Capability

By Ellen Cunningham,2014-09-14 11:30
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    Use Case Mobile HAN Devices with Metering Capability

Description:

    The MHDMC connects with the premise Home Area Network (HAN), identifies itself and the

    account it is properly associated with the utility. MHDMC’s and premise owner’s charges are

    reconciled, as applicable. This use case also describes the scenario documented in The Load

    and Energy Management Use Cases, in that the MHDMC may behave according to that use case. The mobile (e.g. any customer PHEV/EV) scenario is defined in this document.

Use Case Business Rules and Assumptions:

    See “HAN Use Case - General Definitions, Assumption, Actors.doc

    MHDMC has a certification process for meter accuracy as required by the utility or jurisdiction.

    The MHDMC and premise are properly authorized to operate within the jurisdiction and utility.

AMI system may provide data to the MHDMC.

    MHDMC records bi-directional MHDMC usage for audit purposes.

Definitions:

See “HAN Use Case - General Definitions, Assumption, Actors.doc

MHDMC stands for “Mobile HAN Devices with Metering Capability”.

Use Case Actors:

See “HAN Use Case - General Definitions, Assumption, Actors.doc

Actor Name Actor Type Actor Description

    MHDMC HAN device A mobile child-metering device, downstream from

     the meter (i.e. point of service meter), that is

    communicated to via the HAN

    Meter Utility/HAN The point of service meter permanently associated

    device with the unique premise applicable to this use case.

    Use Case Mobile HAN Devices with Metering Capability

    MHDMC Owner Consumer The person or organization responsible for MHDMC

    account

    Premise Location The premise location where the meter is permanently

    located and where the MHDMC is located during the

    execution of this use case

Scenarios (sequenced):

Scenario The following scenario addresses MHDMC, where bi-directional electric metering

    takes place.

Triggering Primary Actor Pre-Condition Post-Condition Event

    MHDMC is MHDMC The Installation Use MHDMC owner and

    connected and Cases are premise owner bills enabled successfully are properly

    temporarily completed. reconciled.

    The Registration Use

    Cases are

    successfully

    completed.

Steps for this scenario

    Step # Actor Description of the Step

    Device indicates positive status of the 1 MHDMC communication link with the appropriate Utility AMI

    Gateway.

    MHDMC (optional) Device provides the customer (end user) 2 with the appropriate information. (e.g. % of charge,

    current rate of consumption, etc)

    MHDMC Device indicates to the user whether the MHDMC is 3 recognized by the utility (i.e. for billing purposes)

    Use Case Mobile HAN Devices with Metering Capability

    Step # Actor Description of the Step

    MHDMC Device accumulates usage (delivered or received) 4 and returns the information to the utility AMI

    gateway.

    MHDMC (optional) The device provides the utility AMI 5 gateway with additional state information if

    applicable (e.g. state of charge of a storage device).

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