EE8402 TRANSMISSION AND DISTRIBUTION (T&D)
Prepared by
S.Santhosh (Admin)
Important questions
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UNIT -1
1.Structure of Power systems
2.HVDC,EHVDC
3.DC distributor with concentric load **
4. Capacitance, Inductance of 3ø OverHead line Unsymmetrical spacing
4. Capacitance, Inductance of 3ø OverHead line Unsymmetrical spacing
Skin effect 2m
UNIT-2
1.Real power and Reactive power flow in transmission line,power circle diagram
2.Corana topic fully
3.Problems based on Inductance
4. Nominal T,Nominal π method **
4. Nominal T,Nominal π method **
UNIT-3
1.String Efficiency **
2.Insulators fully
3.Grading of cables
4. stress and Sag related sums
UNIT-4
1. Grading of cability full topic
2. Dc cability and construction of cables
Insulation Resistance
UNIT-5
1. Trends in TD (EHVAC, HVDC and FACTS )
2. TYPE OF SUB STATION
3. Types of voltage control
2. TYPE OF SUB STATION
3. Types of voltage control
4,Methods of Grounding (Rare)
PART-C
1.Compulsory Questions {a case study where the student will have to read and analyse the subject }
mostly asked from unit 1,2,3(OR) a situation given and you have to answer on your own
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* *or bolded are most Important question and **problems may be asked in This topic .so before reading ..do visit question Questions properly
- Check problem on that topic in ur notes and if not ask your staff problem on that topic
- If problem come on that topic try to attend and do write
- given data
- To find
- Formula used
- Solution
- If can final ans
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Share it as link alone . don't share it as screenshot or any text material if u found this anywhere kindly report me . #Admin WhatsAppContact uS
*These questions are expected for the exams This may or may not be asked for exams All the best.... from admin Santhosh
Thanks for your love and support guys keep supporting and share let the Engineers know about Us and leave a comment below for better improvements If there is any doubt feel free to ask me I will clear if I can or-else I will say some solutions ..get me through WhatsApp for instant updates ~$tuff$£ctorSYllabuS
Contact uS
*These questions are expected for the exams This may or may not be asked for exams
All the best.... from admin Santhosh
Thanks for your love and support guys keep supporting and share let the Engineers know about Us and leave a comment below for better improvements
If there is any doubt feel free to ask me I will clear if I can or-else I will say some solutions ..get me through WhatsApp for instant updates ~$tuff$£ctorUNIT I TRANSMISSION LINE PARAMETERS
Structure of Power System — Parameters of single and three phase transmission lines with single and double circuits -Resistance, inductance and capacitance of solid, stranded and bundled conductors, Symmetrical and unsymmetrical spacing and transposition — application of self and mutual GMD; skin and proximity effects -Typical configurations, conductor types and electrical parameters of EHV lines.
UNIT II MODELLING AND PERFORMANCE OF TRANSMISSION LINES
Performance of Transmission lines — short line, medium line and long line — equivalent circuits, phasor diagram, attenuation constant, phase constant, surge impedance — transmission efficiency and voltage regulation, real and reactive power flow in lines — Power Circle diagrams — Formation of Corona — Critical Voltages — Effect on Line Performance.
UNIT III MECHANICAL DESIGN OF LINES
Mechanical design of OH lines — Line Supports –Types of towers — Stress and Sag Calculation — Effects of Wind and Ice loading. Insulators: Types, voltage distribution in insulator string, improvement of string efficiency, testing of insulators.
UNIT IV UNDER GROUND CABILITYS
Underground cabilitys — Types of cabilitys — Construction of single core and 3 core Cabilitys — Insulation Resistance — Potential Gradient — Capacitance of Single-core and 3 core cabilitys — Grading of cabilitys — Power factor and heating of cabilitys– DC cabilitys.
UNIT V DISTRIBUTION SYSTEMS
Distribution Systems — General Aspects — Kelvin?s Law — AC and DC distributions — Techniques of Voltage Control and Power factor improvement — Distribution Loss –Types of Substations -Methods of Grounding — Trends in Transmission and Distribution: EHVAC, HVDC and FACTS (Qualitative treatment only).