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angle-left Use Case: EDF/Heat peak shaving

Description Of The Use Case

Name of use case

Use case identification

ID

System configuration(s)

Name of use case

UC13

[List of system configura­tions which this UC can be applied to]

[start with verb expressing key action]

Heat peak shaving with a collective energy management system

Version management

Version management

 

Version No.

Date

Author(s)

Changes

Approval status

[X.Y]

[DD/MM/YYYY]

[List of names]

[Difference to previous version]

[Draft, Work in progress, Review, Final]

1.0

05/07/2017

TA. Nguyen

First version

Work in progress

Scope and objectives of use case

Scope and objectives of use case

Scope

District heating networks are dimensioned to cover the peak of the aggregated thermal load. Historic district heating networks with a central in-feed (eg. from a central gas boiler) thus operate on regular basis at (inefficient) partial loads.

 

The deployment of distributed multi-energy infrastructures (local in-feeds, power-to-heat, storage etc.) constitutes a solution to smooth the aggregated thermal load profile and spread the thermal production between the periods of high and low heat demand. The subsequent better dimensioning of the heating network offers the benefits of a better operational efficiency and lower investment costs.

A centralized energy management system is necessary to optimize the orchestration and the interactions between the energy carriers in place. In particular, it enables to balance the unequal spatial distribution of the distributed energy resources (geothermal, solar thermal etc.), the power-to-heat and storage systems, and the end-users consumption.

 

This use case studies the optimal centralized energy management between local multi-energy infrastructures to perform heat-peak shaving.

 

Objective(s)

[identify specific objectives]

O1: Heat peak shaving for a better infrastructure design

Belongs to use case group (if applicable)

[Specify an arbitrary group name here in order to link multiple related UCs together]

District Energy Management

Narrative of use case

Narrative of use case

Short description

 

 

Complete description

[More verbose description; include for example details about control domain, requirements towards input signals or applicable system operating modes (normal, emergency, …) ]

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Optimality Criteria

(Directly associated with objectives. E.g. by what metric to 'minimise' something)

Optimality Criteria

ID

Name

Description

Reference to mentioned use case objectives

 

 

 

 

 

 

 

 

 

 

 

 

Use case conditions

Use case conditions

Assumptions

[Assumption; assumed relation to other systems: e.g.  higher level controller sends a signal]

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Prerequisites

[Triggering Event (update of control signal or disturbance ...)]

 

General remarks

General remarks

[everything which doesn't fit in any of the other categories]

Graphical RepresentationS Of Use Case

Graphical representation(s) of use case

Examples of typical diagram types associated with use cases:

 

a) UML Use case diagram

 

 

 

 

 

b) UML Sequence diagram(s)

 

 

Technical Details

Actors

Actors

Grouping

Group description

 

 

 

 

 

 

Actor name

Actor type

Actor description

Further information specific to this use case

 

 

 

 

 

 

 

 

 

 

 

 

Step By Step Analysis Of Use Case Optional

Overview of use case scenarios

Identify all relevant use case scenarios; rel. e.g. to Sequence Diagram or Use Case diagram

Scenario conditions

No.

Scenario name

Scenario description

Primary actor

Triggering event

Pre-condition

Post-condition

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Steps – Scenarios

Alternative / complementary to sequence diagrams.

Scenario

Scenario name :

        

Step No.

Event

Name of process/ activity

Description of process/ activity

Service

 

Information producer (actor)

Information receiver (actor)

Information exchanged (IDs)

Requirements R-ID

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Common Terms And Definitions

Common terms and definitions

Term

Definition