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Electricity Distribution
Project Details
Documents
Ideas for future projects?
Sep 2018
Electricity Distribution
Pragmatic Security
Reference:
NIA_NPG_029
Status:
Live
Start Date:
Sep 2018
End Date:
Dec 2019
Funding Licencee(s):
Northern Powergrid
Contact:
Alan Creighton
Click here to send a question to the contact.
Funding Mechanism
Network Innovation Allowance
Research Area:
ED - Network improvements and system operability
Core Technology(ies):
Asset Management and Modelling
Estimated Expenditure:
£280,000.00
Introduction:
The project proposes to investigate the use of smart and non-network solutions to provide a like for like economic and technical comparison with traditional approaches.
Objectives:
The objective of the project is to utilise smart network and non-network solutions as an alternative to traditional reinforcement. This project addresses calculating the security contribution from such solutions so that they can be compared on an equal basis to traditional network solutions.
The project will be delivered in four separate phases, each acting as stage-gates for progress to subsequent stages. The deliverables from each stage are set out below:
Stage 1: Literature review and data acquisition. The deliverables from this stage are a:
· Report on the literature review establishing what work has already been carried out in this area, to establish the best approach for assessing network security;
· Quantified risk assessment of supply interruptions, based on the best practice approach identified by the literature review, for the two substations (one single transformer & one double transformer substation) initially analysed in detail; and
· List of the network parameters that are the mort material in assessing network risk.
Stage 2: Smart solution capacity assessment and feasibility study. This stage is to carry out a feasibility study, focussing on a limited subset of network designs and capacity contributions. The deliverables from this stage are a:
· Quantified assessment of the risk of supply interruptions for the two substations initially analysed in detail with the present level of network loading and as the network demand increases;
· Quantified assessment of various means of mitigating the increased in risk and their effectiveness; and
· Methodology for establishing the circuit equivalence of a non-network solution.
These results will give a first indication of the effectiveness of a pragmatic method based on these types of studies, rather than carrying out a bespoke cost benefit analysis in each case. They will also provide an initial set of values for the pragmatic methods, and will inform which variables are critical within the pragmatic method.
Stage 3: Pragmatic method development and validation. This stage will apply the assessment method to further substations to refine. The deliverable from this phase will be:
· A refined and simplified pragmatic assessment process and metrics, based on the application of the Phase 2 methodology to a further eight substation.
Stage 4: Develop descriptions and examples of the method for ease of use. A crucial aspect of this project is the transition of the methods developed into business as usual. Consequently, the methods developed will be clearly described, including all assumptions and limitations, and the methods will be delivered in a format in which it can easily be used by network design and planning engineers. Where appropriate, this will be developed in consultation with appropriate engineers from within Northern Powergrid.
The deliverable from this phase will be a:
· Plain-English description of the method for assessing the security contribution from network and non-network solutions suitable for design engineers; and
· Spread sheet or lookup table-based tool to that can be applied by design engineers.
Expected Benefits:
Economic and environmental