The three phase power and line-line ratings of the below electric power system is given below: Vg Vm M G: 50 MVA 20 KV X= 4% T: 50 MVA 20/40 KV X= 4% M: 43.2 MVA 36 KV X= 4% By choosing 100 MVA and 20 KV on the generator side as base values, the new per unit impedance of the generator is and the new perunit impedance of the motor is 7.5% None of these a load absorbs 50 MVA at 0.8 pf leading at line to line voltage of 18 KV 10.238% 11.43% find the perunit impedance of this load on a base of 100MVA and 20 8.333% Select one: O a. 5.183 -j 3.888 pu Ob. 5.183 +j 3.888 pu OC. 1.295-10.972 pu 1:49 EN 4714

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power factor is
The three phase power and line-line ratings of the below electric power system is given below:
Vg
Vm
M
G: 50 MVA
20 KV
X= 4%
T: 50 MVA
20/40 KV
X= 4%
M: 43.2 MVA
36 KV
X= 4%
By choosing 100 MVA and 20 KV on the generator side as base values, the new per unit impedance of the generator is
and the new perunit impedance of the motor is
7.5%
None of these
a load absorbs 50 MVA at 0.8 pf leading at line to line voltage of 18 KV 10.238%
11.43%
find the perunit impedance of this load on a base of 100MVA and 20
8.333%
Select one:
O a. 5.183-j3.888 pu
Ob. 5.183 +j 3.888 pu
O c. 1.295 -j0.972 pu
1:49 AM
EN
4/14/20
Transcribed Image Text:power factor is The three phase power and line-line ratings of the below electric power system is given below: Vg Vm M G: 50 MVA 20 KV X= 4% T: 50 MVA 20/40 KV X= 4% M: 43.2 MVA 36 KV X= 4% By choosing 100 MVA and 20 KV on the generator side as base values, the new per unit impedance of the generator is and the new perunit impedance of the motor is 7.5% None of these a load absorbs 50 MVA at 0.8 pf leading at line to line voltage of 18 KV 10.238% 11.43% find the perunit impedance of this load on a base of 100MVA and 20 8.333% Select one: O a. 5.183-j3.888 pu Ob. 5.183 +j 3.888 pu O c. 1.295 -j0.972 pu 1:49 AM EN 4/14/20
power factor is
The three phase power and line-line ratings of the below electric power system is given below:
T.
Vm
M
G: 50 MVA
20 KV
X= 4%
T: 50 MVA
20/40 KV
X= 4%
M: 43.2 MVA
36 KV
X= 4%
By choosing 100 MVA and 20 KV on the generator side as base values, the new per unit impedance of the generator is
and the new perunit impedance of the motor is
16 %
None of these
8%
VA at 0.8 pf leading at line to line voltage of 18 KV.
4%
bedance of this load on a base of 100MVA and 20 KV.
Select one:
O a. 5.183-j3.888 pu
Ob. 5.183 + j 3.888 pu
Oc.1.295-10.972 pu
EN O
1:49
Transcribed Image Text:power factor is The three phase power and line-line ratings of the below electric power system is given below: T. Vm M G: 50 MVA 20 KV X= 4% T: 50 MVA 20/40 KV X= 4% M: 43.2 MVA 36 KV X= 4% By choosing 100 MVA and 20 KV on the generator side as base values, the new per unit impedance of the generator is and the new perunit impedance of the motor is 16 % None of these 8% VA at 0.8 pf leading at line to line voltage of 18 KV. 4% bedance of this load on a base of 100MVA and 20 KV. Select one: O a. 5.183-j3.888 pu Ob. 5.183 + j 3.888 pu Oc.1.295-10.972 pu EN O 1:49
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