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Prepare a short report on insulators

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Reference no: EM132284261

Condition monitoring of overhead transmission line insulators

Background

Insulators in overhead transmission lines have two functions. Firstly, to mechanically support the weight of conductors and, secondly, to provide electrical insulation between the phase conductors (High voltage) and the grounded tower (zero potential). These insulators are being subjected to accumulation of different types of pollution (industrial, agricultural, sea salt, etc.). Pollution accumulation can, due to changes in surface properties, reduce the electrical performance of insulators and this may cause flashover. Flashover can cause tripping of the safety cut-outs on the line and, hence, affect line performance. Moreover the partial discharge activities which result from the change in surface properties in the presence of pollution can cause accelerated ageing of insulators, reducing their useful working life. Signals which indicate the presence of electrical discharge, or other effects due to changes in surface properties, can be employed to monitor power line insulators.

Based on this short background it is obvious that appropriate condition monitoring of insulators can give engineers information which allows appropriate remedial action to be taken. These remedial actions increase the reliability of the power network and also extend the life of insulators.

Tasks:

Obtain papers from a variety of sources, e.g. IEEE and IEE/IET journals or conference papers, which deal with methods that can be applied for condition monitoring of overhead power line insulators. From the material read, select 4 methods for discussion.

From the material gathered prepare a short report containing the following elements:

- Abstract
- The consequences of pollution accumulation on overhear power line insulators
- Discuss four selected techniques for condition monitoring of insulators :
- Discuss advantages and disadvantages of the four methods
- Comparison of data presented by the selected papers
- An indication of future trends, if any, in this field

Word count: The total report, including References, should be restricted to 2000 words.

Verified Expert

The solution file described about conditional.insulation of overhead transmission.Few scholarly IEEE papers were used for performing this work..the file discussed pros and cons of the conditional insulation.

Reference no: EM132284261

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Reviews

len2284261

4/15/2019 10:22:52 PM

Above average performance: Most of the relevant information/skills accurately deployed. Good grasp of theoretical, conceptual and practical elements. Good integration of theory, practice and information and/or a high level of personal creative development demonstrated in pursuit of the assessed work's objectives. Average performance: Much of the relevant information/skills mostly accurately deployed. Adequate grasp of theoretical, conceptual and practical elements. Fair integration of theory, practice and information and/or a good level of personal creative development demonstrated in pursuit of the assessed work's objectives.

len2284261

4/15/2019 10:22:45 PM

Description %Mark Excellent 70+ Above Average 60-69 Average 50-59 Satisfactory 40-49 Unsatisfactory 0-39 The definitions of the criteria named are: Excellent Performance: Most of the relevant information/skills accurately deployed. Outstanding grasp of theoreticaVconceptual/practical elements. Good integration of theory/practice/information and/or exceptional level of personal creative development demonstrated in pursuit of the assessed work's objectives.

len2284261

4/15/2019 10:22:38 PM

illegal and will result in further action being taken by the University which may include recording a failure.- To that end, make sure that you understand the correct method for incorporating information gathered from web-sites, journals and books. Marking Criteria All assessed work shall be marked according to the following performance criteria. Marks will be awarded for the following: • Presentation, structure and readability 20% • Technical content and relevance 40% • Relevant conclusions 15% • Proper use of background reading and embedding of references 15% • Initiative 10%

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