If you replace the text value in an associative dimension, the text value will not change when the
1 answer:
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Answer:
a) | v2 | , β2 ( load, bus voltage at bus 2 )
p1 , q1 ( slack, bus power at bus 1 )
b) q2 , β2
p1 and q1 ( slack, bus power at bus 1 )
Explanation:
Attached below is a schematic representation of the solution
<u>a) Identify the variables in the solution vector assume Bus 2 is a load bus</u>
The specified parameters are ; P2 and q2
while | v2 | and β2 are not specified
given that bus 2 is a load bus, bus 1 is a slack bus with ; | v1 | and β1 been specified while p1 and q1 are not specified
<em>Hence the variables in the solution </em>
<em>= | v2 | , β2 ( load, bus voltage at bus 2 )</em>
<em> p1 , q1 ( slack, bus power at bus 1 ) </em>
<u>b) Identify the variables in the solution vector ( assume Bus 2 is a PV bus )</u>
specified at Bus 2 are ; | p2 | , | v2 |
unspecified : q2 , β2
Bus 1 ( still a slack bus )
specified parameter : | v1 | and β1
unspecified : p1 and q1
<em>Hence the variables in the solution </em>
<em>= q2 , β2 </em>
<em> p1 and q1 ( slack, bus power at bus 1 ) </em>
Answer:
N = 38546.82 rpm
Explanation:
= 150 mm
= 17671.45
= 250 mm
= 49087.78
The centrifugal force acting on the flywheel is fiven by
F = M ( -
) x
------------(1)
Here F = ( -UTS x + UCS x
)
Since density,
∴ -
= 50 mm
∴ F =
F = 33618968.38 N --------(2)
Now comparing (1) and (2)
∴ ω = 4036.61
We know
∴ N = 38546.82 rpm