The positive, negative and zero sequence per unit impedance of two generators connected in parallel are X1 = 0.12 pu, X2 = 0.096 pu and X0 = 0.036 pu. For LG fault at generator terminals (with 1 pu voltage) the positive sequence current will be

Power Systems
The positive, negative and zero sequence per unit impedance of two generators connected in parallel are X1 = 0.12 pu, X2 = 0.096 pu and X0 = 0.036 pu. For LG fault at generator terminals (with 1 pu voltage) the positive sequence current will be

10.936 pu

9.936 pu

8.936 pu

7.936 pu

10.936 pu

9.936 pu

8.936 pu

7.936 pu

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Power Systems
For n bus power system size of Y bus matrix is

(n-1)×(n-2)

(n-2)×(n-2)

n×n

(n-1)×(n-1)

(n-1)×(n-2)

(n-2)×(n-2)

n×n

(n-1)×(n-1)

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Power Systems
A generator has reactances of sub transient (X")= 0.5 pu, transient (X') = 0.8 pu and synchronous reactance (X) = 5 pu. The voltages at these reactances are 1.2 V, 1.1 V and 1 V respectively. Find the corresponding sub transient fault current in pu?

2.4 pu

0.2 pu

1.375 pu

3.975 pu

2.4 pu

0.2 pu

1.375 pu

3.975 pu

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Power Systems
The factor affecting run off are

the topography and nature of soil in the catchment area.

amount of vegetation and weather condition in the catchment area.

rain fall pattern, shape and size of catchment area.

all of above.

the topography and nature of soil in the catchment area.

amount of vegetation and weather condition in the catchment area.

rain fall pattern, shape and size of catchment area.

all of above.

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Power Systems
When bundle conductor are used in place of single conductor the effective inductance and capacitance will respectively

decrease and increase.

increase and decrease.

increase and remain unaffected.

decrease and remain unaffected.

decrease and increase.

increase and decrease.

increase and remain unaffected.

decrease and remain unaffected.

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Power Systems
In a nuclear reactor, chain reactor is controlled by introducing

brass rods.

cadmium rods.

iron rods.

graphite rods.

brass rods.

cadmium rods.

iron rods.

graphite rods.

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Power Systems

Power Systems The positive, negative and zero sequence per unit impedance of two generators connected in parallel are X1 = 0.12 pu, X2 = 0.096 pu and X0 = 0.036 pu. For LG fault at generator terminals (with 1 pu voltage) the positive sequence current will be

Power Systems For n bus power system size of Y bus matrix is

Power Systems A generator has reactances of sub transient (X")= 0.5 pu, transient (X') = 0.8 pu and synchronous reactance (X) = 5 pu. The voltages at these reactances are 1.2 V, 1.1 V and 1 V respectively. Find the corresponding sub transient fault current in pu?

Power Systems The factor affecting run off are

Power Systems When bundle conductor are used in place of single conductor the effective inductance and capacitance will respectively

Power Systems In a nuclear reactor, chain reactor is controlled by introducing

Power Systems
The positive, negative and zero sequence per unit impedance of two generators connected in parallel are X1 = 0.12 pu, X2 = 0.096 pu and X0 = 0.036 pu. For LG fault at generator terminals (with 1 pu voltage) the positive sequence current will be

Power Systems
For n bus power system size of Y bus matrix is

Power Systems
A generator has reactances of sub transient (X")= 0.5 pu, transient (X') = 0.8 pu and synchronous reactance (X) = 5 pu. The voltages at these reactances are 1.2 V, 1.1 V and 1 V respectively. Find the corresponding sub transient fault current in pu?

Power Systems
The factor affecting run off are

Power Systems
When bundle conductor are used in place of single conductor the effective inductance and capacitance will respectively

Power Systems
In a nuclear reactor, chain reactor is controlled by introducing