Question

1) Consider the distribution system below. The system is one-phase and nominal voltage is 220V. There are loads at some points and these are given below table. This network does not have any distributed load. Calculate the q and qu, if the cable cross-section is same for the network. (Cables are copper and underground. Ç= 56 mmm) Pole Number 3 6 9 11 12 Load 1000 2000 3000 2500 5000 2000 lan 2 15 som 6 som 204 Lom 40m Lom GO 9 som som som ID

Answer 1

1) Consider the distribution system below. The system is one-phase and nominal voltage is 220V. There are loads at some points and these are given below table. This network does not have any distributed load. Calculate the q and qu, if the cable cross-section is same for the network. (Cables are copper and underground. Ç= 56 mmm) Pole Number 3 6 9 11 12 Load 1000 2000 3000 2500 5000 2000 lan 2 15 som 6 som 204 Lom 40m Lom GO 9 som som som ID

Solution:

Pole no Load(W) Current (A) Resistance(Ohms) Resistivity(1/56) Length(m) Area (Sq mm) 1 1500 6.82 32.27 0.017857143 15 0.008301358 3 2000 9.09 24.20 0.017857143 95 0.070100354 6 3500 15.91 13.83 0.017857143 105 0.135588843 9 2000 9.09 24.20 0.017857143 235 0.173406139 11 5500 25.00 8.80 0.017857143 195 0.395698052 12 2500 11.36 19.36 0.017857143 235 0.216757674 Some data was missed in question to calculate the further in this answer. Please provide the blur status of the calculation in the attached question to answer further.

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