Peak Value of Critical Surface

Question:

1. Please familiarise yourself with the EIT Academic Honesty and Misconduct Policy, in order to understand your requirements and responsibilities as a student of EIT.
 
2.Please refer to our Assessment, Moderation and Student Progress Procedure for information relating to extensions. Extension requests should be submitted to your LSO at least 3 days prior to the due date.
 
3. Assessments submitted via email will not be accepted.
 
4. Assessments must be submitted through Turn-it-in (unless otherwise stated). Your submission must:
a. Be a single document (Word or PDF only)
b. Include at least 20 words of machine-readable text, and
c. Not exceed 10MB.
 
5. You must use the provided assessment cover page available on your Moodle student homepage. Submissions without a cover page will not be accepted.
 
6. You must correctly title your document/s. For example:

7. You must reference all content used from other sources including course materials, slides, diagrams, etc. Do not directly copy and paste from course materials or any other resources.
Refer to the referencing section of the EIT eLibrary on Moodle for referencing guides.

 
8. It is your responsibility to check that you have submitted the correct file, as revised submissions are not permitted after the due date and time.
 
1: (2.5 marks)
Explain why it is not possible to totally eliminate corona loss in a power line or reduce it absolutely to zero.
 
2: (5 marks)
Explain advantages of HVDC transmission lines from the viewpoint of Corona effect and loss, compared to those of HVAC transmission lines.
 
3: (5 marks)
A 3-phase ac overhead transmission line has equivalent spacing of 5.5 m between conductors and each conductor has diameter of 3 cm. Atmospheric temperature is 12 deg C, and barometric pressure of 750 mm of Hg. The surface irregularity factor for the stranded conductor is 0.9.
 
Determine the Peak value of Critical Surface stress for fair weather and visual corona for center conductor.
 
4: (5 marks)
Discuss the steps taken by the government of Australia or your country to increase efficiency in the field of energy.
 
5: (2.5 marks)
Consider a circular coil of radius 8 cm and having 24 turns. A current of 1 A is passed through the coil. Find the magnetic field at a point on the axial line, which is at a distance of 14 cm from the center of the coil.
 
6: (5 marks)
The German government intends to generate 35% of its power needs from renewables by 2020, and reduce energy consumption by 20% over this period. Highlight some of the developments and revolutionising ideas adopted by Germany to achieve this goal in order to promote clean energy concept.
Read less
QUALITY: 100% ORIGINAL PAPER – NO PLAGIARISM – CUSTOM PAPER

Leave a Reply

Your email address will not be published. Required fields are marked *