GENERATION TRANSMISSION AND DISTRIBUTION
SELECTED QUESTIONS:-1. What is generation of electricity ?
2. Explain different types of generation of electricity ?
3. What is Kelvin’s law ?
4. What is voltage regulation ?
5. What is efficiency of transmission system ?
6. What is corona ?
7. How corona loss affects on transmission lines ?
8. What is over head lines ?
9. Explain different types of supports of over head line ?
10.How the size and spacing of conductor are decided ?
11.What are the different types of conductor material ?
12.What is insulator ?
13.What is a cross-arm ?
14.Explain different types of insulator ?
15.What is sag ?
16.Write down the sag in the over head line with support at the same level and different level ?
17.How wind,ice and temperature affects the sag ?
18.What is E.H.V Ac transmission lines ?
19.Why E.H.V Ac transmission lines is adopt ?
20.What is H.V DC transmission lines ?
21.What are the advantages and disadvantages of H.V DC transmission system and H.V AC transmission system ?
22.What is a distribution system ?
23.What is 3 phase 4 wire star connected distribution system ?
24.What is DC distribution for the following type of distributor ?
(i)Distributor fed at one end.
(ii)Distributor fed at both end.
(iii)Centre-tapped distributor.
(iv)Ring distributor.
25.What is the difference between stand alone system and inter connected distribution systems ?
26.Explain 3 phase 3 wire distribution system ?
27.What is the difference between step-up transformer step-down transformer ?
28.Why power is transmitted in higher voltages ?
29.What is underground cables ?
30.What is the difference between over head transmission lines and underground cables ?
31.What is cable insulation ?
32.What are the different classification of cables ?
33.What is the difference between low tension and high tension cables ?
34.What is power factor ?
35.What are the disadvantages of low power factor ?
36.How the power factor of the system can be improved ?
37.What is load curve ?
38.What is demand factor ?
39.What is maximum demand ?
40.What is load factor ?
41.What is diversity factor ?
42.What is peak load ?
43.What is base load on the power system ?
44.What is plant capacity factor ?
45.What is tariff ?
46.Explain flat rate tariff ?
47.What is two part tariff ?
48.What is blocked rate tariff ?
49.Why tariff system is required ?
50.What is a substation ?
51.What is the use of substation at the distribution end ?
52.What is the difference between low tension and high tension substation ?
53.What is earthing ?
54.How earthing is done for a substation ?
55.How earthing is done for transmission lines ?
56.How earthing is done for distribution lines ?
57.What is the difference between power transformer and distribution transformer ?
58.What are the different types of transmission lines ?(short,medium,large)
59.What is short circuit fault ?
60.What is earth fault ?
61.Draw the layout of generation,transmission and distribution system ?
0 comments:
Post a Comment