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What is the meaning of 400 kV transmission line?
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A 3-ph overhead line supported by 6 disc insulators, the potential across the unit is 11 KV. Assuming shunt capacitance between each Insulator and each metal link is of 1/5th of capacitance of insulator. Calculate:

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A 3 phase line of 4 km length delivers 4000 kW at a p.f of 0.8 lagging to a load the resistance and reactance per km of each conductor are 0.2 Ω and 0.5 Ω respectively if the voltage at the supply end is maintained at 11 kV. Calculate the received end voltage and efficiency of line.

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Draw the single line diagram (layout) of 33/11 kV substation.

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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.

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A moving coil instrument gives full scale deflection of 24 mA. When a P.D. across if is 108 mV. Find the value of – (i) Series resistance for full scale deflection of 400 V. (ii) Find the power consumption.

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A 500kVA distribution transformer having copper and iron losses of 5kW and 3kW respectively on full load. The transformer is loaded as shown below: Loading (kW) Power Factor (Lag) No. of hours 400 0.8 06 300 0.75 12 100 0.8 03 No load - 03 Calculate the all-day efficiency.

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A 220V/22kV three-phase transformer is connected in star/delta. The protective transformers on the 220V side have a current ratio of 400/5. Calculate the CT ratio on the 22kV side.

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What are the components of a transmission line rating?
Answer : The components of a transmission line rating typically refer to the parameters that define the line's capacity, performance, and limitations. These ratings ensure the line operates safely ... the transmission line operates within safe limits while efficiently delivering power over long distances....

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How do you measure the performance of a transmission line?

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How do you assess the impacts of transmission line noise?

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How does the use of drones improve transmission line inspection?

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How do you manage transmission line rights-of-way effectively?

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What are the types of transmission line testing methods?

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How do you calculate the economic benefits of a new transmission line?

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What are the types of overhead transmission line conductors?

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What are the common methods of conducting transmission line inspections?

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What are the indicators of a failing transmission line?

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How do you calculate the effective transmission capacity of a line?

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How do you assess the environmental impact of a transmission line?

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What is the significance of transmission line reconfiguration?

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What are the consequences of transmission line failures?

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What is the effect of transmission line length on performance?

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How is the efficiency of a transmission line calculated?

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What is the ABCD parameters of a transmission line?

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How is the thermal rating of a transmission line determined?

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What is the purpose of an out-of-step tripping scheme in transmission line protection?

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What is the purpose of an adaptive autoreclosure scheme in transmission line protection?

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What is the function of a distance to fault locator in transmission line protection?

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What is the first equipment of the substation connected to the incoming transmission line?

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What is the characteristic equation of a transmission line?

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What are the classification of transmission line according to method of construction?

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What is the classification of transmission line length?

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