Download PTU. I.K. Gujral Punjab Technical University (IKGPTU) M.Tech. EE 2nd Semester 76109 INDUSTRIAL LOAD MODELING AND CONTROL Question Paper.
Roll No. Total No. of Pages : 02
Total No. of Questions : 8
M.Tech. (EE) (2018 Batch) (Sem.?2)
INDUSTRIAL LOAD MODELING AND CONTROL
Subject Code : MTEE-204D-18
M.Code : 76109
Time : 3 Hrs. Max. Marks : 60
INSTRUCTIONS TO CANDIDATES :
1. Attempt any FIVE questions out of EIGHT questions.
2. Each question carries TWELVE marks.
1. Describe the following :
a. Indian energy scenario and tabulate energy data which includes; generation capacity,
share of public and private sectors, share of different power plants etc.
b. What do you mean by load modeling? How will you represent the voltage dependent
loads?
c. An industrial load is supplied with the captive power plant having maximum capacity
of 150MW and the following values at different times of the day are observed.
Time 12 am 5 am 9 am 6 pm 8 pm 10 pm 12 am
Load (MW) 50 50 100 100 150 80 50
With the help of graph paper, plot a chronological load curve. Find the energy
requirement of an industry in one day and its daily load factor.
2. What is the significance of load management? Describe, in detail, supply side and
demand side load management. How industrial load management is different from
commercial or residential load management in general?
3. Describe the following :
a. Criterion of electricity pricing and pricing models.
b. Differentiate direct load control and interruptible load control.
c. Write down the steps involved in optimization and control algorithm.
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1 | M-76109 (S35)-1773
Roll No. Total No. of Pages : 02
Total No. of Questions : 8
M.Tech. (EE) (2018 Batch) (Sem.?2)
INDUSTRIAL LOAD MODELING AND CONTROL
Subject Code : MTEE-204D-18
M.Code : 76109
Time : 3 Hrs. Max. Marks : 60
INSTRUCTIONS TO CANDIDATES :
1. Attempt any FIVE questions out of EIGHT questions.
2. Each question carries TWELVE marks.
1. Describe the following :
a. Indian energy scenario and tabulate energy data which includes; generation capacity,
share of public and private sectors, share of different power plants etc.
b. What do you mean by load modeling? How will you represent the voltage dependent
loads?
c. An industrial load is supplied with the captive power plant having maximum capacity
of 150MW and the following values at different times of the day are observed.
Time 12 am 5 am 9 am 6 pm 8 pm 10 pm 12 am
Load (MW) 50 50 100 100 150 80 50
With the help of graph paper, plot a chronological load curve. Find the energy
requirement of an industry in one day and its daily load factor.
2. What is the significance of load management? Describe, in detail, supply side and
demand side load management. How industrial load management is different from
commercial or residential load management in general?
3. Describe the following :
a. Criterion of electricity pricing and pricing models.
b. Differentiate direct load control and interruptible load control.
c. Write down the steps involved in optimization and control algorithm.
2 | M-76109 (S35)-1773
4. How will you calculate the most economic power factor when kW demand in an industry
is constant? An industrial installation has a load of 1MW at power factor 0.78 lagging.
The tariff is Rs. 200 per kVA of maximum demand per year plus Rs. 3.50 per kWh. The
power factor is improved with the installation of capacitor bank. The cost of installation
of capacitor is Rs. 500 per kVAr. The interest and depreciation is 15%. Plant load factor
is 0.8. Find :
a. most economical power factor
b. capacitor kVAr to improve the power factor to this value
c. annual electricity bill before and after installation of capacitor.
5. How captive power plant is different from cogeneration? Describe the operating and
control strategies of captive power generation in detail.
6. What is the criterion for the selection of schemes for optimal operating strategies for
reduction of peak load in the industrial processes? Describe in detail.
7. What are the power quality issues in industrial process and how will you deal with the
associated problems for smooth operation and control?
8. Write a short note on :
a. Energy banking and filter energy saving in industry
b. Modeling of cooling and heating loads
c. Integrated load management for industries
NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any
page of Answer Sheet will lead to UMC against the Student.
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This post was last modified on 13 December 2019