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PSOC Anna university question Bank from May/June 2009 to May/ June 2013
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VII TH SEM EEE (4th YR)
sl.no Month Year Part Q.No
1 MAY/JUN 2012 A 1
2 MAY/JUN 2012 A 2
3 MAY/JUN 2012 A 3
4 MAY/JUN 2012 A 4
5 MAY/JUN 2012 A 5
6 MAY/JUN 2012 A 6
7 MAY/JUN 2012 A 7
8 MAY/JUN 2012 A 8
9 MAY/JUN 2012 A 9
10 MAY/JUN 2012 A 10
11 MAY/JUN 2012 B 11 (a) i
12 MAY/JUN 2012 B 11 (a) ii
13 MAY/JUN 2012 B 11 (b)
14 MAY/JUN 2012 B 12 (a)
15 MAY/JUN 2012 B 12 (b)
16 MAY/JUN 2012 B 13 (a)
17 MAY/JUN 2012 B 13 (b)
18 MAY/JUN 2012 B 14 (a)
19 MAY/JUN 2012 B 14(b)
20 MAY/JUN 2012 B 15 (a)
21 MAY/JUN 2012 B 15 (b)
22
23 NOV/DEC 2011 A 1
24 NOV/DEC 2011 A 2
25 NOV/DEC 2011 A 3
26 NOV/DEC 2011 A 4
27 NOV/DEC 2011 A 5
28 NOV/DEC 2011 A 6
29 NOV/DEC 2011 A 7
30 NOV/DEC 2011 A 8
31 NOV/DEC 2011 A 9
32 NOV/DEC 2011 A 10
33 NOV/DEC 2011 B 11(a)
34 NOV/DEC 2011 B 11 b(i
35 NOV/DEC 2011 B 11 (b)ii
36 NOV/DEC 2011 B 12 (a)
37 NOV/DEC 2011 B 12 (b)
38 NOV/DEC 2011 B 13 (a)i
39 NOV/DEC 2011 B 13 (a)ii
40 NOV/DEC 2011 B 13 (b)
41 NOV/DEC 2011 B 14(a) i
42 NOV/DEC 2011 B 14 (a) ii
43 NOV/DEC 2011 B 14 (b)
44 NOV/DEC 2011 B 15 (a) i
45 NOV/DEC 2011 B 15 (a) ii
46 NOV/DEC 2011 B 15 (b)
47
48 APR/MAY 2011 A 1
49 APR/MAY 2011 A 2
50 APR/MAY 2011 A 3
51 APR/MAY 2011 A 4
52 APR/MAY 2011 A 5
53 APR/MAY 2011 A 6
54 APR/MAY 2011 A 7
55 APR/MAY 2011 A 8
56 APR/MAY 2011 A 9
57 APR/MAY 2011 A 10
58 APR/MAY 2011 B 11(a) i
59 APR/MAY 2011 B 11 (a) ii
60 APR/MAY 2011 B 11 (b) i
61 APR/MAY 2011 B 11 (b)ii
62 APR/MAY 2011 B 12 (a)I
63 APR/MAY 2011 B 12 (a)ii
64 APR/MAY 2011 B 12 (b)
65 APR/MAY 2011 B 13 (a) i
66 APR/MAY 2011 B 13 (a)ii
67 APR/MAY 2011 B 13 (b)
68 APR/MAY 2011 B 14 (a)
69 APR/MAY 2011 B 14 (b) i
70 APR/MAY 2011 B 14 (b) ii
71 APR/MAY 2011 B 15 (a)
72 APR/MAY 2011 B 15 (b)
73
74 NOV/DEC 2009 A 1
75 NOV/DEC 2009 A 2
76 NOV/DEC 2009 A 3
77 NOV/DEC 2009 A 4
78 NOV/DEC 2009 A 5
79 NOV/DEC 2009 A 6
80 NOV/DEC 2009 A 7
81 NOV/DEC 2009 A 8
82 NOV/DEC 2009 A 9
83 NOV/DEC 2009 A 10
84 NOV/DEC 2009 B 11 (a)i
85 NOV/DEC 2009 B 11(a)ii
86 NOV/DEC 2009 B 11(a)iii
87 NOV/DEC 2009 B 11(b)
88 NOV/DEC 2009 B 12 (a)
89 NOV/DEC 2009 B 12 (b)
90 NOV/DEC 2009 B 13 (a)i
91 NOV/DEC 2009 B 13 (a)ii
92 NOV/DEC 2009 B 13 (b) i
93 NOV/DEC 2009 B 13 (b) ii
94 NOV/DEC 2009 B 14 (a)
95 NOV/DEC 2009 B 14 (b)i
96 NOV/DEC 2009 B 14 (b) ii
97 NOV/DEC 2009 B 15 (a) i
98 NOV/DEC 2009 B 15 (a)ii
99 NOV/DEC 2009 B 15 (b)
100
101 MAY/JUN 2009 A 1
102 MAY/JUN 2009 A 2
103 MAY/JUN 2009 A 3
104 MAY/JUN 2009 A 4
105 MAY/JUN 2009 A 5
106 MAY/JUN 2009 A 6
107 MAY/JUN 2009 A 7
108 MAY/JUN 2009 A 8
109 MAY/JUN 2009 A 9
110 MAY/JUN 2009 A 10
111 MAY/JUN 2009 B 11 (a) i
112 MAY/JUN 2009 B 11 (a)ii
113 MAY/JUN 2009 B 11 (b)i
114 MAY/JUN 2009 B 11 (b) ii
115 MAY/JUN 2009 B 12 (a)i
116 MAY/JUN 2009 B 12 (a)ii
117 MAY/JUN 2009 B 12 (b)
118 MAY/JUN 2009 B 13 a
119 MAY/JUN 2009 B 13 (b) i
120 MAY/JUN 2009 B 13 (b)ii
121 MAY/JUN 2009 B 14 (a) i
122 MAY/JUN 2009 B 14 (a) ii
123 MAY/JUN 2009 B 14 (b)
124 MAY/JUN 2009 B 15 (a) i
125 MAY/JUN 2009 B 15(a) ii
126 MAY/JUN 2009 B 15 (b)
127
128 NOV/DEC 2012 A 1
129 NOV/DEC 2012 A 2
130 NOV/DEC 2012 A 3
131 NOV/DEC 2012 A 4
132 NOV/DEC 2012 A 5
133 NOV/DEC 2012 A 6
134 NOV/DEC 2012 A 7
135 NOV/DEC 2012 A 8
136 NOV/DEC 2012 A 9
137 NOV/DEC 2012 A 10
138 NOV/DEC 2012 B 11 a i
139 NOV/DEC 2012 B 11 a) ii
140 NOV/DEC 2012 B 11 b)
141 NOV/DEC 2012 B 12 a)
142 NOV/DEC 2012 B 12 (b) i
143 NOV/DEC 2012 B 12 (b) ii
144 NOV/DEC 2012 B 13 (a) i
145 NOV/DEC 2012 B 13 (a) ii
146 NOV/DEC 2012 B 13 (b)
147 NOV/DEC 2012 B 14 (a) i
148 NOV/DEC 2012 B 14 (a) ii
149 NOV/DEC 2012 B 14 (b i
150 NOV/DEC 2012 B 14 (b) ii
151 NOV/DEC 2012 B 15 (a
152 NOV/DEC 2012 B 15 b
153
154 MAY/JUN 2013 A 1
155 MAY/JUN 2013 A 2
156 MAY/JUN 2013 A 3
157 MAY/JUN 2013 A 4
158 MAY/JUN 2013 A 5
159 MAY/JUN 2013 A 6
160 MAY/JUN 2013 A 7
161 MAY/JUN 2013 A 8
162 MAY/JUN 2013 A 9
163 MAY/JUN 2013 A 10
164 MAY/JUN 2013 B 11 (a) I
165 MAY/JUN 2013 B 11 (a) ii
166 MAY/JUN 2013 B 11 (b)
167 MAY/JUN 2013 B 12 (a) i
168 MAY/JUN 2013 B 12 (a) ii
169 MAY/JUN 2013 B 12 (b)
170 MAY/JUN 2013 B 13 (a) i
171 MAY/JUN 2013 B 13 (a) ii
172 MAY/JUN 2013 B 13 (b)
173 MAY/JUN 2013 B 14 (a) i
174 MAY/JUN 2013 B 14 (a) ii
175 MAY/JUN 2013 B 14 (a) iii
176 MAY/JUN 2013 B 14 (b) i
177 MAY/JUN 2013 B 14 (b) ii
178 MAY/JUN 2013 B 15 (a) i
179 MAY/JUN 2013 B 15 (a) ii
180 MAY/JUN 2013 B 15 (b)
181
182 NOV/DEC 2010 A 1
183 NOV/DEC 2010 A 2
184 NOV/DEC 2010 A 3
185 NOV/DEC 2010 A 4
186 NOV/DEC 2010 A 5
187 NOV/DEC 2010 A 6
188 NOV/DEC 2010 A 7
189 NOV/DEC 2010 A 8
190 NOV/DEC 2010 A 9
191 NOV/DEC 2010 A 10
192 NOV/DEC 2010 B 11 (a)
193 NOV/DEC 2010 B 11 (b)
194 NOV/DEC 2010 B 12 (a)
195 NOV/DEC 2010 B 12 (b)
196 NOV/DEC 2010 B 13 (a) i
197 NOV/DEC 2010 B 13 (a) ii
198 NOV/DEC 2010 B 13 (b) i
199 NOV/DEC 2010 B 13 (b) ii
200 NOV/DEC 2010 B 14 (a)
201 NOV/DEC 2010 B 14 (b)
202 NOV/DEC 2010 B 15 (a)
203 NOV/DEC 2010 B 15 (b)
204
205 APR/MAY 2010 A 1
206 APR/MAY 2010 A 2
207 APR/MAY 2010 A 3
208 APR/MAY 2010 A 4
209 APR/MAY 2010 A 5
210 APR/MAY 2010 A 6
211 APR/MAY 2010 A 7
212 APR/MAY 2010 A 8
213 APR/MAY 2010 A 9
214 APR/MAY 2010 A 10
215 APR/MAY 2010 B 11 (a) i
216 APR/MAY 2010 B 11 (a) ii
217 APR/MAY 2010 B 11 (b) i
218 APR/MAY 2010 B 11 (b) ii
219 APR/MAY 2010 B 12 (a) i
220 APR/MAY 2010 B 12 (A) II
221 APR/MAY 2010 B 12 (B)
222 APR/MAY 2010 B 13 (a) i
223 APR/MAY 2010 B 13 (a) ii
224 APR/MAY 2010 B 13 (b) i
225 APR/MAY 2010 B 13 (b) ii
226 APR/MAY 2010 B 14 (a) i
227 APR/MAY 2010 B 14 (a) ii
228 APR/MAY 2010 B 14 (b)
229 APR/MAY 2010 B 15 (a)
230 APR/MAY 2010 B 15 (b) i
231 APR/MAY 2010 B 15 (b) ii
VII TH SEM EEE (4th YR)PSOC
Question
MAY/JUN 2012
Define load factor
what is the role of computers in the operation and control of power systems
what are the classifications of system load?
What is load frequency control
state the difference between P-F and Q-V control
what are the methods to improve voltage profile in power system
write the sisnificance of unit commitment
draw the incremental cost curve of a thermal power plant
what is SCADA?
write any 2 functions of load dispatch centre
what are the informations obtained from load curve and load duration curve?
describe the importance of load forecasting and explain the method of least square fit forecasting the base load
what are the objectives of modern trend in real time control of power system? Explain the significance of computer control in power system
explain the dynamic response of single area load frequency control. Also discuss the effect of P-I controller on single area load frequency control
Draw the circuit for a typical excitation system and derive tha transfer function model and draw the block diagram
what are the different methods of voltage control. Explain any two in detail
explain various constraints in UC and explain the steps involved in solving UC by DP method
what are the components of speed governor system of an alternator? Derive the mathematical model of speed governing system with the aid of block diagram
formulate the coordination equation with losses neglected and also explain the algorathmic steps of iterative method to find the solution of coordination equation
Briefly explain the various functions of SCADA with a neat diagram
discuss the various functions, system monitoring and control of load dispatch centre
NOV/DEC 2011
define connected load
Define load curve
what is AGC
what are the conditions necessary for sharing load operating in parallel between two synchronous machines
what are the merits of synchronous compensator
what are the various methods of voltage control in transmission system
define spinning reserve constraint in unit commitment problem
define EMS system
what is the function of load dispatch center
define diversity factor, plant use factor
draw the block diagram of uncontrolled two area of frequency control system and explain the features under static conditions
how is speed governor mechanism modelled ? Explain its operation with speed load characteristics
write the equality and inequality constraints considered in the economic dispatch problem
a generating station has a maximum damand of 20 MW, a load factor of 60% a plant capacity factor of 48% and a plant use factor of 80%. Find i) daily energy produced ii) reserve capacity of the plant iii) max energy that could be produced daily if the plant were running all the time iv) max energy that could be produced if the plant when running ( according to operating schedule ) with fully loaded
a generating station has a maximum damand of 500kw. Calculate cost per unit generated from the following data. Capital cost = Rs 95*10^6, annual load factor = 40%, annual cost of fuel and oil Rs 9*10^6, taxes wages and salaries = Rs 7.5*10^6, interest and depreciation = 12%
develop a typical excitation arrangements to control voltage of an alternative and explain
explain the role of tap changing transformer voltage control
what is static VAR compensator. Explain its operation also state the merits of VAR compensator over other methods of voltage control
explain the unit commitment problem using priority ordering load dispatch
explain the term incremental operational cost of power system related with economic dispatch
explain the need of computer control in power system
explain various functions of SCADA with neat diagram
explain various state transitions and control strategies using state transition diagram
APRIL/MAY 2011
what is load factor
define diversity factor
how is the real power in a power system controlled?
what is meant by free governor operation?
state the function of AVR
what is synchronous condensor?
define spinning reserve
what is minimum up and minimum down time in unit commitment problem?
define state estimation
list out the condition for normal operation of power system
with neat sketch describe p-f and q-v control structure
the fuel inputs pre hours of plants 1 and 2 are given as F1= 0.2 P1²+40P1+120 Rs /hr, F2=0.25P2²+30P2+150 Rs /hr. Determine the economic operation schedule and the corresponding cost of generation if the maximum and minimum loading oneach unit is 100MW and 25 MW. Assume the transmission losses are ignored and the total demand is 180 MW. Also determined the saving obtained if the load is equally shared by both the units
what is load forecasting? Also state its classification and importance.
highlight briefly the importance of regulating frequency and voltage in power system
develop the block diagram model of a two area system and obtain its state response
describe in detail about the generation and obsorption of reactive power
explain the dynamic response of single area frequency control
with neat sketch explain the block diagram model of exciter system
describe in detail about the generation and obsorption of reactive power
explain the various methods of routine power control. Explain any two methods in detail
explain the priority list method using numerical example
derive the coordination equation with losses
explain the various operating status of power system with transition diagram
write short notes on SCADA and security analysis and control
NOV/DEC 2009
what is the difference between load curve and load duration curve?
what is meant bt system voltage control
define stiffness of interconnected system
draw the dynamic response of change in frequency for a step load change
compare shunt and series capacitors
draw the root locci for zero compensated loops
define participation factor
A generating station supplies the following loads connected to it , industries 95mw, domestic lighting load 5mw, domestic power load 8 mw, commercial load 10mw, the maximum demand on the station is 90 mw, calculate the load factor and diversity factor if the total no. of units generated in a year are 3*10^8
the cost characteristics of three plants are C1=0.05P1²+17P1+160 Rs/hr, C2=0.06P2²+ 14.4 P2+ 200 Rs/hr, C3=0.08P3²+9P3+ 240 Rs/hr, where P1,P2,P3 are in MW, the incremental transmission losses with respect to plants 1,2,3 are 0.05,0.10 and 0.15
what is priority list method
what are EMS functions?
what is emergency state
discuss the main functions of security control
differentiate cold reserve frok hot reserve
explain the term economic dispatch control
draw the block diagram of two area load frequency control system and explain the uncontrolled static analysis
explain the transfer function of modelling of exciter system with neat diagram
discuss the static and dynamic analysis of AVR
what are the methods of voltage control? Explain any methods in detail
develop an iterative algorithm for solving the optimum didpatch equation of an 'n' bus power system taking into account the effects of system losses
briefly discuss the various functions of energy control center
with a neat block diagram explain the SCADA hardware configuration
explain the security monitoring using state estimation with necessary diagrams
MAY/JUN 2009
what is the need for voltage regulation in power systems?
a generating station supplied the following loads 15000kw, 12000kw, 8500kw, 6000kw, 450 kw. The station has a maximum demand of 22000kw, the annual load factor of the station is 48% . Calculate i) the no. of units supplied, ii) the diversity factor, iii) the demand factor
two 100kw alternators operate in parallel. The speed regulation of first alternator is 100% to 103% from full load to no load and that of other 100% to 105%. How will the two alternators share the load of 1200kw and at what load will one machine cease to supply any portion of the load.?
the load at the receiving end of three phase, overhead line is 25MW, 0.8 lagging pf, at a line voltage of 33kv, a synchronous compensator is situated at the receiving end and the voltage at both ends of the line is maintained at 33kv. Calculate the MVAR of the compensator. the line has 5ohm resistance per phase and 20 ohm inductive reactance per phase
state the unit commitment problem. With the help of a flow chart explain forward dynamic programming solution methid of unit commitment problem
construct a priority list for the units given below unit 1: heat rate(Mbtu/hr); 510+7.20P1+0.001442P1², Pmin 150MW, Pmax 600MW, Fuel cost 1.1 Rs/Mbtu. unit 2: heat rate(Mbtu/hr); 310+7.85P2+0.001942P2², Pmin 100MW, Pmax 400MW, Fuel cost 1.0 Rs/Mbtu. unit 3: heat rate(Mbtu/hr); 78+7.97P3+0.00482P3², Pmin 50MW, Pmax 200MW, Fuel cost 1.2 Rs/MBtu
list the advantages of multi-area operation
what do you understand by coherent group of generators
a speed generator system cannot completely eliminate frequency error caused by a step load change in a power system. Justify this statement
what are the various functions of excitation system?
what is meant by stability compensation?
what are base point and participation factors with respect to economic load dispatch
draw incremental cost curve for a thermal plant
define state estimation
what is EMS ? What are the major functions of it?
Define load factor and diversity factor. Explain the importance of these factors in connection with economic operation of a power system
explain i) load forecasting ii) economic dispatch control
what is spinning reserve and does this reserve help in operating a power system efficiently? How is cold reserve different from hot reserve?
why is the load on a power station variable ? What are the effects of variable load on the operation of the power station?
explain the static and dynamic response of single area system
develop the mathematical model for tie line
draw the diagram of a typical automatic voltage regulator and develop its block diagram representation
derive the relations between voltage, power and reactive power at a node for applications in power system control
explain briefly the various constraints on unit commitment problem
explain the forward dynamic programming method of solving unit commitment problem
a single area consists of two generating units rated at 400MW and 800MW, with speed regulation of 4% and 5% on their ratings. The units are opearting in parallel, sharing 700 MW. Unit 1 supplied 200MW and unit 2 supplies 500mw at 1 p.u (50hz) frequency. the load is increased by 130 mw. i) assume there is no frequency dependent load . find the steady state frequency deviation and the new generation on each unit ii) the load varies 0.84% for 1% change in frequency. find the steady state frequency deviation and the new generation on each unit
explain the injection of reactive power by switched capacitors to maintain acceptable voltage profile and to minimize transmission loss in a power system
illustrate SCADA with typical schematic
what are the functions of a modern power system control center
NOV/DEC 2012
define maximum demand
Define load curve
what are the types of automatic load frequency control for interconnected power sytem
what is automatic load dispatching
what are thye different types of reactive power compensation?
define booster transformer
what is incremental cost criteria
name some thermal constraints in unit commitment problem
what is SCADA?
define network topology in power system
explain types of load forcasting
explain the important objective of power system and various control strategies during its operation
with neat block diagram explain single area load frequency control system
discuss the integration of economic dispatch control with automatic generation control
derive an expression for load sharing between two alternators. What are the effects of fuel supply and change in excitation?
discuss the relation between voltage and reactive power at a node
explain briefly the reactive power requirement for control of voltage in long radial lines
the fuel cost function for three thermal plants are given by F1=0.004Pg1²+5.3Pg1+500$/hr, F2=0.006 Pg2²+5.3Pg2+400$/hr, F3= 0.004Pg3²+5.3Pg3+200$/hr. where Pg1, Pg2, Pg3 are in MW. Find the optimum scheduling and the total cost per hour for a total load of 925MW with the following generator limits 100mw<=Pg1<=450mw, 100mw<=Pg2<=350mw, 100mw<=Pg3<=225mw
draw the power system state transition diagram and explain the various state of the system and control actions to be taken to make the system secure
a generating station has following daily load cycle 0-6hrs:40mw, 6-10hrs: 50mw, 10-12hrs: 60mw, 12-16hrs: 50mw, 16-20hrs: 70mw, 20-24hrs: 40mw draw loadcurve and find i)max demand, ii) units generated/day, iii) avg load, iv) load factor
explain the method of voltage control in a transmission system i)by transformer tap setting ii) by booster transformer
explain the lambda iteration method for finding the solution of economic dispatch including transmission losses with a neat flowchart
explain the priority list method using unit commitment problem
define i) minimum uptime ii) min down time , iii) spinning reserve
explain the functions of SCADA in power system operation
enumerate the various operating state and the control strategies of power system
MAY/JUNE 2013
what is the need of voltage regulation in power system
what is the effect of load factor on the cost of generation
what is the function of load frequency control on a power system
define speed drop
show the voltage control and reactive power control are interrelated
give the functions of AVR
draw incremental fuel cost curve
what is spinning reserve?
what is stste estimation?
what are the functions of SCADA?
what is meant by chronological load curve? Give the informations obtained from load curve
explain tha advantages and different types of computer control system
describe briefly about plant level and system level control
develop a schematic of speed governing system and explain its operation
a generating unit has two 200 mw units whose input cost data is as follows F1=0.004P1²+2.0P1+80rs/hr, F2=0.006P2²+1.5P2 +100rs/hr. For a total load of 250mw, find the load dispatch between the two units for economic operation
draw the block diagram of uncontrolled two area of frequency control system and explain the features under static conditions
name the generators and consumers of reactive power in a power system
what are static VAR system? State the advantages of SVS
explain i) tap changing transformer ii ) shunt reactors iii) synchronous phase modifiers iv) shunt capacitors v) series capacitors
with the help of flowchart explain economic dispatch by lamda iteration method without losses
what is the significance of equality and unequality constraints in the formulation of optimum dispatch problem
what is unit commitment problem? Discuss the constraints that are to be accounted in unit commitment problem
what is ems? What are its major function in power system operation and control
explain the major functions of system security control
NOV/DEC 2010
define diversity factor
what is spinning reserve
define per unit droop
write down the equation for area control error of two area system
what is stability compensation
list the method of voltage control
two generators rated 200mw and 400 mw are operating in parellel. The droop characteristics of their governors are 4% and 5%respectively from no load to full load. Assume that the generators are operating at 50hz at no load , how would a load of 600 mw be shared between them? what will be the system frequency at this load? assume free governor operation
the fuel cost of two units are given by F1=F1(PG1)=1.5+20PG1+0.1PG1²rs/hr, F2=F2(PG2)=1.9+30PG2+0.1PG2²rs/hr
obtain the priority list of unit commitment using full load average pruduction cost for the given data , heat rate of unit1: 510+7.2PG1+0.00142PG1²mw/hr, heat rate of unit2: 310+7.85PG2+0.00194142PG2²mw/hr, heat rate of unit3: 78+7.97PG3+0.00482PG3²mw/hr. unit1: min mw(150) , max mw(600), fuel cost (1.1K). unit2: min mw(100) , max mw(400), fuel cost (1.0K). unit3: min mw(50) , max mw(200), fuel cost (1.2K). Pd=500mw
Draw the state transition diagram of a power system. Explain the state transition that may occur due to system disturbance and also different control actions that can be taken to improve the security level of the system
write the constraints in unit commitment problem
what is incremental cost curve
define state estimation
mention the uses of SCADA in power system
explain i) hot reserve and cold reserve ii) load curve and load duration curve iii) governor control iv) security control
develop a model of single control and obtain its block diagram representation. Explain the salient features under static and dynamic conditions
describe the generation and absorption of reactive power
explain how voltage control is affected by injecting a reactive power
explain the operation of onload tap changing transformer
state unit commitment problem. Explain priority method of unit commitment problem
discuss the various functions of energy control centre
explain the operating states of power system in security perspective with example
APRIL/MAY 2010
what is load curve
what is the function of AVR loop
state whether changes in AVR loop will reflect in LFC loop
state two advantages of state variable model
a generating station has following daily load cycle 0-6hrs:45mw, 6-8hrs: 35mw, 8-12hrs: 75mw, 12-14hrs: 20mw, 14-18hrs: 80mw, 18-20hrs: 25mw, 20-24hrs: 50mw. i) draw daily load curve ii) draw load duration curve iii) load factor iv) plant capacity factor if the capacity of the plant is 120mw
2 synchronous generators operating in parallel. Their capacities are 700 and 600mw. The droop characteristics of the governor are 4% to 5% from no load to full load. Assuming that the generators are operating at 60hz at no load how would be a load of 800mw shared between them . what will be the system frequency at this load? assume free governor action
a 414kv line is fed through 132/415 kv transformer from a constant 132kv supply. At the load end of the line the voltage is reduced by another transformer of 415/132 kv. The total impedance is 20+j40ohms. But transformers are equiped with tap changing. the product of two off-nominal setting is unity. load is 250mw at 0.8pf lagging. calculate the setting of tap changerrequire to maintain the voltage at 132kv
with a neat flow chart explain the iterative algorithm for solving the economic dispatch equation of N bus power system taken into account the effects of system losses
write the relation between voltage, power and reactive power at a node
distinguish between onload and off load tap changing
list the constyraints in unit commitment problem
define incremental cost in power dispatch
mention 4 types of SCADA system
what is energy state?
explain the need for voltage and frequency regulation in power system
explain the system voltage control and security control
consider an inductive load of type Z=R+jX. By how many percent will the real load drop if the voltage is reduced by 1%
obtain the state variable model of a single area LFC
explain the tie line bias control of two area system
draw the circuit diagram for typical excitation system and explain the components
discuss the generation and absorption of reactive power
how to minimize transmission loss using reactive power control
explain the operation of onload tapchanging transformer
explain with neat flowchart the procedure for finding solution for unit commitment problem using forward dynamic programming method
explain priority list method using full load average production cost
explain the hardware components and function aspects of SCADA system using functional block diagram. Also discuss the functions of SCADA
explain briefly how the system states are continuously monitored and controlled
a generating station has a maximum demand of 400mw. The annual load factor is 65% and capacity factor is 50% find the reserve capacity of the plant
for a system of regulation=4Hz/puMW, kp=150, tp=18sec, ∆P0=0.01p.u. find the dynamic response of uncontrolled case. Also derive the equation used
a power plant has 3 units with the following cost characteristics. C1=0.05P1²+23.5P1+700rs/hr, C2=0.2P2²+20P2+150rs/hr, C1=0.09P3²+18P3+960rs/hr. maximum and minimum loading alowable on each plant are 150mw and 40mw find the optimal schedule for a load of 275 mw.
explain the different functions of energy control center
VII TH SEM EEE (4th YR)
Unit Marks Priority
1 2
1 2
2 2
2 2
3 2
3 2
4 2
4 2
5 2
5 2
1 8
1 8
5 16
2 16
2 16
3 16
3 16
4 16
4 16
5 16
5 16
1 2
1 2
2 2
2 2
3 2
3 2
4 2
4 2
5 2
5 2
1 16
1 12
1 2,2
2 16
2 16
3 8
3 8
3 16
4 8
4 8
4 16
5 10
5 6
5 16
1 2
1 2
2 2
2 2
3 2
3 2
4 2
4 2
5 2
5 2
1 8
1 8
1 8
1 8
2 8
2 8
2 16
3 8
3 8
3 16
4 16
4 8
4 8
5 16
5 16
1 2
1 2
2 2
2 2
3 2
3 2
4 2
4 2
5 2
5 2
1 8
1 4
1 4
1 16
2 16
2 16
3 8
3 8
3 8
3 8
4 16
4 8
4 8
5 8
5 8
5 16
1 2
1 2
2 2
2 2
3 2
3 2
4 2
4 2
5 2
5 2
1 8
1 4,4
1 10
1 6
2 8
2 8
2 8,8
3 16
3 8
3 8
4 6
4 10
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Software EngineeringPart - A
sl.no Month Year Q.No Question Unit Marks1 Nov/Dec 2010 1 Define Bussiness Process Reengineering. 1 2
2 Nov/Dec 2010 2 1 23 Nov/Dec 2010 3 What is software prototyping? 2 24 Nov/Dec 2010 4 Define functional and non-functional requiremnts 2 2
5 Nov/Dec 2010 5 3 26 Nov/Dec 2010 6 List the architectural models that can be developed. 3 27 Nov/Dec 2010 7 What are the characteristics of good tester? 4 2
8 Nov/Dec 2010 8 Give the difference between verification and validation. 4 29 Nov/Dec 2010 9 What are the processes of risk management? 5 2
10 Nov/Dec 2010 10 Define error,fault and failure. 5 211 May/June 2011 1 Distinguish between verification and validation. 1 212 May/June 2011 2 What are the characteristics of the software? 1 213 May/June 2011 3 List down function and non functional requiremnt. 2 214 May/June 2011 4 Define data dictionary 2 215 May/June 2011 5 State the need for having control system. 3 216 May/June 2011 6 Define Design Heuristic. 3 217 May/June 2011 7 What are the various types of system testing? 4 218 May/June 2011 8 State the difference between testing and debugging. 4 219 May/June 2011 9 Give the procedure of the Delphi method. 5 220 May/June 2011 10 Write short notes on the various estimation techniques. 5 221 Nov/Dec 2011 1 "Software does not wear out"- comments on this stateme 6 222 Nov/Dec 2011 2 What are the advantages of spiral model? 6 223 Nov/Dec 2011 3 Distinguish between functional and non functional requir 7 224 Nov/Dec 2011 4 List any four commonly made errors while drawing Data F 7 225 Nov/Dec 2011 5 Why do we need modular software design? 8 226 Nov/Dec 2011 6 Differentiate transaction centered architecture from tran 8 227 Nov/Dec 2011 7 What is regression testing?Why do we need it? 9 228 Nov/Dec 2011 8 With a simple example establish that 100% testing is impo 9 229 Nov/Dec 2011 9 Define "Critical path". How does this affect project schedu 10 230 Nov/Dec 2011 10 What are predictable risks?Give two examples for such ris 10 231 May/June 2012 1 Give two reason why system engineers must understand t 1 232 May/June 2012 2 What are two type od software products? 1 233 May/June 2012 3 What do requirement process involve? 2 234 May/June 2012 4 Define non-functional requirements. 2 235 May/June 2012 5 List out design methods. 3 236 May/June 2012 6 Define data acquisition. 3 237 May/June 2012 7 Distinguish between stress and load testing. 4 238 May/June 2012 8 what is project planning? 4 239 May/June 2012 9 What is boundary condition testing? 5 240 May/June 2012 10 Define Black Box testing. 5 241 Nov/Dec 2012 1 What is the difference between errors and faults? 1 242 Nov/Dec 2012 2 How a software process can be characterized? 1 2
Write down the generic process framework that is applicable to any software project.
What are the primary interaction styles and state their advantages.
43 Nov/Dec 2012 3 What is slack time? 2 244 Nov/Dec 2012 4 Highlight the key benefit of Risk management in software 2 245 Nov/Dec 2012 5 List the characteristics of good conceptual design. 3 246 Nov/Dec 2012 6 What is persistence associated with OO systems? 3 247 Nov/Dec 2012 7 Mention the difference between producer reuse and cons 4 248 Nov/Dec 2012 8 What do you mean by fault identification? 4 249 Nov/Dec 2012 9 What is software reliability? 5 250 Nov/Dec 2012 10 What is regression testing? 5 2
Software EngineeringPart - A
Priority