PSOC EE429: ELD Topic

PSOC EE429: ELD Topic

University

5 Qs

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PSOC EE429: ELD Topic

PSOC EE429: ELD Topic

Assessment

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Education

University

Practice Problem

Medium

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chandrakant bhattar

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5 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Two thermal units have fuel cost functions:
F1​(P1​)=500+8P1​+0.01P12 and

F2​(P2​)=400+10P2​+0.012P22​.

P1​=100 MW, P2​=50 MW

P1​=127.27 MW, P2​=22.73 MW

P1​=90 MW, P2​=60 MW

P1​=75 MW, P2​=75 MW

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Three units with cost functions:
F1=100+8P1+0.01P12,  F2=120+6P2+0.02P22,  F3=150+5P3+0.025P32.
If PD=180 MW (neglect losses), the best rounded dispatch (P1,P2,P3) is:

(36.84, 68.42, 74.74) MW

(60, 60, 60) MW

(30, 90, 60) MW

(45, 45, 90) MW

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If a unit has F(P)=300+12P+0.02P2, the incremental cost at P=60 MW:

14.4 $/MW

16.21 $/MW

12.0 $/MW

18.0 $/MW

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Economic Load Dispatch is generally based on:

Generator rating only

Incremental fuel cost of generators

Voltage profile of the system

Transmission line reactance

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In ELD, Penalty Factor is used to:

Compensate for fuel cost variations

Adjust generation considering transmission losses

Maintain constant frequency

Increase plant efficiency