Objective
Research objectives and content
i 1) Further evaluate the effectiveness of the negative half cycle test in detecting defects in a variety of cables. This would include both defects artificially introduced into lengths of cables and the application of the test to sections of used cables containing known defects introduced in service.I The type of defects which are identified by this method would be found. These would be compared and contrasted with the types of defects found by conventional 50Hz testing. 2) Identify the mechanisms which lead to failures preferentially occuring in the negative half cycle. This would include a review of breakdown mechanisms, and modelling of the behaviour of the insulation material in this regime. 3) Determine to what degree, if any, the negative half cycle test results m retained space charge in the insulation material. and to what extent this influences the subsequent breakdown strength of the cable. Techniques will be developed to measure the space charge introduced in a defect, to support the techniques availalbe for determining space charge generally.4) Investigate the influence of frequency on the breakdown characteristics and introduction of space charge effects in order to determine the optimum frequency of the half negative wave for detecting defects. Initial limited factorial experiments will be carried out. These will provide a macroscopic description of the behaviour which will be refined by modelling. The outputs from the model will then be confirmed experimentally. Training content (objective. benefit and expected impact)
The training content of this work is considerable. It is expected that extensive technology transfer will take, place during the research which has many novel aspects and is expected to form the basis of a PhD thesis at UMIST. The problem area is European wide in its relevance and the problem is of considerable industrial interest.I The applicant will be trained in an Industrial Laboratory with access to the many additional opportunities I provided for the UMIST PTP students.
Links with industry / industrial relevance (22)
The project is of direct. irnmediate and relevant importance to electricity suppliers cable manufacturers etc. across Europe.
Fields of science (EuroSciVoc)
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Programme(s)
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Topic(s)
Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
Call for proposal
Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
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Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
Funding Scheme
Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
Coordinator
CHESTER
United Kingdom
The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.