Electrical Power-II EP-2 6th Sem May 2016 Diploma Paper

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Electrical Power-II EP-2 6th Semester May 2016 Diploma Paper. Download Previous year Electrical Power-II EP-2 6th Sem EE/EEE/5239/Diploma Solved Question Paper.

Electrical Power-II EP-2 6th Sem EEE May 2016 Diploma PSBTE Paper

 

ELECTRICAL POWER 2 EP-II 6TH SEM DIPLOMA PSBTE MAY 2016 PAPER   

Duration : 3 Hrs                                                                                      M.Marks : 75     

                           SECTION A

        1. Fill in the blanks :

      I. When insulator of one of the line conductor fails, the fault is called………………..
     II. The basic principle applied is Murray loop test is…………………..
    III. At most of the sub-station bus bar arrangement is applied.
    IV. Dielectric strength of SF6 is than air.
     V. An induction type relay can be employed on system only.
    VI. HRC stands for…………………..
   VII. Earth relays have current setting.
   VIII. Buchholz relay is installed between main tank and……………..
     IX. Ground wire is used to protect transmission line against…………….
      X. At the switch yard of a sub-station a network of ground wires is run over the top of towers, this network is known as…………….
     XI. In VCB’s gas is used.
    XII. An isolator is only operated under load condition.
   XIII. A fuse element should have melting point.
   XIV. The quartz powder filled in an HRC fuse is for………………….
    XV. A lightning arrestor acts as an at normal voltage.

                                                                        SECTION-B
Q2. Attempt any five questions.                                                 5×6=30

      a) Discuss common types of faults in overhead and underground lines.
      b) What is the function of isolator and circuit breaker?
      c) Write a short note on rating of circuit breaker.
      d) What is relay? What function does it perform? Define the pickup current of a relay.
      e) What is a solar power generation and what are its advantages?
      f) Explain the difference between earth and neutral wire.
     g) Name the type of lightning arrestors. Explain with neat sketch Horn gap arrestor.
     h) Write a short note on Block rate tariff.

                        SECTION-C

     Q3. Attempt any three questions.                                                                                     3×10=30

     a) Draw a neat sketch of a cross-jet explosion pot circuit breaker and explain the principle of arc extinction in it.
     b) Draw a neat sketch of an MCB and explain its working.
     c) Describe in detail the Merz Price system of protection for a 3 phase star-delta transformer
     d) Write short notes on the following (i) Rod Gap arrestor , (ii) Earth Screen (iii)Surge Absorber
     e) Explain the meaning of terms: fixed charges, running charges and tariff.State the type of tariffs commonly used for agriculture, industry and domestic                           consumers

Electrical Power-II EP-2 6th Sem EEE May 2016 Diploma PSBTE Paper

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Section a FILL IN THE BLANKS Electrical Power-II MAY 2016 paper

Electrical Power Station Located in Ropar is Guru Gobind Singh Super Thermal Power Station.

The Diversity Factor is Always Greater Than One.

Load Factor is the Ratio of Average Load and Peak Load.

Percentage Reactance is defined as 

The Difference Between a Switch and Circuit Breaker is 

Fusing current is Always Less than Current Carrying capacity of a Fuse.

ELCB Stands for Earth Leakage Circuit Breaker 

The Maximum Value of Voltage Being used in India for Transmission of Electric Power is 750KV AC.

 

The Breaking Capacity of a Circuit Breaker is defined as Maximum Short Circuit Current That Breaker can Interrput Without Damage.

 

The Power Stations used as Base Load Stations are Coal Fuel or Nuclear Power Stations

 

Low

Three

Electrical Power-II EP-2 6th Sem EEE MAY 2016 Diploma PSBTE Paper Click Here

Section B :Electrical Power-II EP-2 6th Sem EEE MAY 2016 Diploma Paper

Common types of faults in overhead and underground lines.
     

Function of isolator and circuit breaker
    

Short note on rating of circuit breaker.
    

Relay and its Function

Define the pickup current of a relay.
      

Solar power generation its advantages
     

Difference between earth and neutral wire
     

Name the type of lightning arrestors. 

Horn gap arrestor.
    

Block rate tariff

 Electrical Power-II EP-2 6th Sem EEE May 2016 Diploma Paper Click Here

 Electrical Power-II EP-2 6th Sem EEE May 2016 Diploma Paper

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Section c Electrical Power-II EP-2 6th Sem EEE May 2016 Diploma Paper

cross-jet explosion pot circuit breaker

explain the principle of arc extinction in it.
     

MCB and explain its working.
     

Merz Price system of protection for a 3 phase star-delta transformer
     

(i) Rod Gap arrestor

(ii) Earth Screen

(iii) Surge Absorber
    

fixed charges

running charges 

tariff.

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