What is the HVDC transmission line?
State four HVDC transmission line route on India with their voltage level.
State significance of earthing. Draw and explain pipe earthing. State the values of earth resistances for: (i) Substation (ii) Residential wiring (iii) H.T. Line (iv) L.T. Line.
Explain the concept of high-voltage DC (HVDC) transmission.
Draw the circuit diagram and phasor diagram of nominal T method of medium transmission line.
Draw the single line diagram of AC electric transmission and distribution system.
Draw the layout of Homopolar transmission line.
What is the classification of HVDC line?
Explain the working principle of an HVDC converter station.
A three-phase transformer having a line voltage ratio of 0.4 kV/11kV is connected Star/Delta and protective transformers on the 0.4 kV side have a current ratio of 500/5. Calculate the ratio of ... on the 11 kV side. Draw a neat circuit diagram and indicate the given values at appropriate places.
What is the count of hvdc transmission lines in India?
Explain the features of flexible AC transmission line (any four). State types of FACTS controller.
Explain with a neat sketch the Pilot wire protection scheme applied to transmission line.
Explain the working principle of a transmission line.
Explain Squirrel Cage Induction Generator (SCIG) and also draw a diagram.
Draw and explain a fixed dome type biogas plant.
Draw the circuit diagram of battery charger using SCR and explain its working.
Draw a neat labelling V-I characteristics of SCR and explain the region.
Draw and explain the use of: (i) Combination plier (ii) Tester (iii) Wire Striper (iv) Hammer.
Draw and explain the construction and working of Dead Weight Tester.
Draw a neat sketch of Rotameter and explain its working principle.
Draw and explain filled system thermometer.
Draw and explain Doppler type flow measurement.
Draw and explain the block diagram of an instrumentation system.
Draw constructional details of C-types Bourdon tube and explain its working.
Draw and explain the construction of underground cables.
Explain the conditions for setting up negative phase sequence currents in an alternator. Draw the protective scheme to detect them and operate the CB.
Draw a neat labeled diagram of a neon sign tube and explain its working.
Draw and explain 'V' and 'inverted V curves' for synchronous motor.
Draw and explain V and inverted V curves of synchronous motor.
Draw and explain torque speed characteristics of universal motor and suggest the applications of the same.
Draw and explain torque speed characteristics of stepper motor.
What is a bi-color LED?
What are the advantages of using bi-directional inverters in energy systems?
Draw the single line diagram (layout) of 33/11 kV substation.
Are dielectrics polar or nonpolar?
Is higher dielectric constant more polar?
What is a polar vector also called?
What is a simple definition of a polar vector?
List the methods of Line Support Erection and explain in brief any one.
Explain block diagram of Electric drives
Draw construction of SCR using two transistor model. Explain its operation.
Draw the constructional diagram of LVDT. State its working principle. What is residual voltage? Explain with a neat diagram.
Explain control of a single lamp from four places. Draw the relevant circuit diagram.
Draw & explain torque slip characteristics of permanent magnet synchronous motor.
Derive the torque equation of 3 φ I.M. under running condition.k) Explain production of R.M.F. in 3-phase I.M. when 3 φ supply is fed to it. Draw its phasor diagram.
What is short medium and long transmission line classification?
What is the difference between resistance and impedance of a transmission line?
Select insulating materials for following parts: (i) Insulation between heating element and base plate of electric iron. (ii) Insulation used over copper or aluminium conductor used for making coils. (iii) Transformer bushings. (iv) Insulation between transmission line and pole.
Compare nominal - I and nominal - II method of transmission line (Any six points).
29.4k questions
1.3k answers
7.4k users