Maharashtra State Board of Technical Education 2012-6th Sem Diploma Electronics Engineering (DEE) for Electrical Engineering Subject Power System Operation & Load Dispatch(12239) - Question
MSBTE Sample ques. Paper for Electrical Engineering
Sixth Semester
Subject Power System Operation & Load Dispatch(12239)
Scheme - E
Sample Question Paper
Course Name : Diploma in Electrical Power System Course C'ocle : EP Semester : Sixth Subject Title : Power System Operation & Load Dispatch
Marks : 100 Time: 3 Hours
12239
e) State with an example the difference between large disturbances and small disturbances
Q.4 A) Attempt any THREE 12 Marks
a) List out the equipments used for reactive powrer compensation and state their location of installation-' operation.
b) List out the data required for Load flow' analysis.
c) Howr steady state stability condition of power system can be improved?
d) State the need of load forecasting m power generation
Q.4 B) Attempt any ONE 06 Marks
a) State and explain the constraints of SLFE related to i) Transformer ii) Generator iii) Transmission line
b) Draw and explain the incremental fuel cost curve of a generating unit.
Q.5) Attempt any TWO 16 Marks
a) Determine the bus admittance matrix for a system having following data
|
Bus code |
Impedance (p.u.) |
Bus Code |
Line charging admittance (p.u.) |
|
1-2 |
0.08+j0.24 |
1 |
0.00 |
|
1-3 |
0.02 -i-j0.06 |
2 |
j0.02 |
|
2-3 |
0.06 + jO.18 |
3 |
0.00 |
b) What is load shedding? State the factors governing load shedding.
c) The incremental fuel cost equations of two generating units of a powrer plant are:
dFi/dPi = 0.5 Pi + 65 Rs./montli dFi/dPs = 0.75 P: + 45 Rs./montli The maximum and minimum generatmg capacity of each unit is 400 MW and 50 MW. Determine the economical load sharing between the units if the load on the system is 810 MW.
Q.6) Attempt any FOUR 16 Marks
a) State the advantages of reactive power compensation
b) List out the techniques for improving the stability condition of pow'er system.
c) How environmental and w eather factors affect load fore casting?
d) Explain the economical and optimal load distribution among the units within a powrer plant.
e) State the need of generation mix to meet power demand.
|
Attachment: |
| Earning: Approval pending. |
