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Overview

During emergency events, where major power cuts of the high voltage grid managed by TSO can last several hours, the only method currently available to determine the status of overhead medium voltage lines is to perform visual inspections.

The challenge is based on finding, during emergency events, where major power cuts of the high voltage grid managed by TSO can last several hours, a method to verify the status of medium voltage lines, which uses bottom-up evaluation methods of electrical continuity and insulation condition to increase the level of readiness during the failure of the high voltage grid.

A solution is sought to improve the level of knowledge of the network through extraordinary outages to prepare the proper measures to be taken during the recovery phase.

 

INFO: expiration date extended until 15th May 2020.

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Description

BACKGROUND

In case of fault on medium voltage lines during the absence of the high voltage grid (e.g. fallen trees, ground conductors, conductor breaking for snow burden, etc.) no protection is triggered as all automation equipment for fault selection are unavailable.

Nowadays during a blackout of the high voltage grid managed by the TSO, besides performing visual inspections, no actions are taken by the DSO. Consequently, medium voltage lines condition remains unknown.

 

THE CHALLENGE

The challenge is based on finding, during contingency events, a method to verify the status of medium voltage lines, which uses bottom-up evaluation methods of electrical continuity and insulation condition to increase the level of readiness during the failure of the high voltage grid.

A solution is sought to improve the level of knowledge of the network through extraordinary outages to prepare the proper measures to be taken during the recovery phase.

Solvers shall present the technical description of the proposal and the procedures to follow, considering the following general indications:

  • Uses as much as possible current grid devices/equipment
  • Suitable for different types of medium voltage network asset
  • Indicates feeders fault location (Not mandatory)
  • The solution shall support restoration of medium voltage distribution network after high voltage interruption

 

 

PROJECT DELIVERABLES

The aim is to present a proposal that contains useful solutions to reduce the number and duration of undesirable interruptions (SAIDI and SAIFI reduction) operating in a preventive way by acting on potential faulty lines while waiting for the high voltage grid to be restored.

  • Reduce outages time
  • Minimize unproductiveness of on field resources
  • Improve the knowledge of the status of the network during contingencies
  • Improve resolution time during contingencies
  • Decrease number of customers not supplied after HV grid restoration
  • Improve restoration of MV distribution networks after a blackout

 

This challenge provides contribution to the following sustainable development goals (SDGs) to transform our world:

  • SDG 9: Industry, Innovation and Infrastructure

Challenge rules

Except for the people involved in the organization and management of the I&NNOVABILITY CHALLENGE and their spouses or partners and their relatives up to the fourth degree calculated according to Italian law, the proposals could be submitted by all the employees working in the legal entities pertaining to the perimeter of Infrastructure & Networks at Enel Group in the following countries Argentina, Brazil, Chile, Colombia, Italy, Peru, Romania and Spain.

Explain your proposal clearly in one of the five (5) following languages of Enel Group: English , Italian, Spanish, Portuguese and Romanian. If needed to provide further details, you can attach up to five (max 5) documents on the platform.

Solvers must develop their proposal so that benefits and feasibility can be assessed. Challenge seeks for solutions that can be implemented in the short term to obtain practical results. General ideas or not detailed solutions will receive low ranking in the evaluation. Additionally, the application of new technologies and a sustainability approach in the proposed solution will be considered a plus

The maximum number of members per team is 3. The submission will be done by the Team Leader and the list of team members must be identified in the submission. Please note that team composition must be specified in the Proposal’s attachments.

The Evaluation Committee will decide 3 finalists for each challenge and a jury will award one (1) winner per Challenge.

Proposals will be admitted on the platform from 10th February,2020 to 15th May, 2020 (within 23.59 CET), and the evaluation will start after this date.

All proposers are invited to read carefully the challenge and the regulation of this contest before submitting a solution.

By submitting a solution, you automatically accept the Regulations of this challenge other than the Terms of Use of this platform.

What happens next?

The I&NNOVABILITY Challenge Evaluation Committee will evaluate your proposal and might contact you to gather additional information.

 

Your innovative proposal will be evaluated based on technical, sustainable, economic and business impact parameters, for I&N. The presentation of the proposal will also be evaluated.

At the end of the assessment, you will receive feedback.

In case of being selected as a Finalist, an Enel I&N contact person will get in touch with you to discuss the next steps.

Attachments

Sustainability Toolbox

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Technology Toolbox_Video

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I&NNOVABILITY CHALLENGE_Terms and Conditions_ESP

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I&NNOVABILITY CHALLENGE_Terms and Conditions_ITA

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I&NNOVABILITY CHALLENGE_Terms and Conditions_RUM

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Distribution network fault assessment during HV outages_PTG

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I&NNOVABILITY CHALLENGE_Terms and Conditions_PTG

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Distribution network fault assessment during HV outages_RUM

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I&NNOVABILITY CHALLENGE_Terms and Conditions_ENG

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Technology Toolbox_Documents_pdf

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