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Economic Dispatch

GATE Electrical Engineering · Power Systems - Economic Operation · 2001-2026

9
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56%
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2
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8
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2026 Q58

A system with two generators G1 and G2 (without generator limits) is shown. The total load on the system is 1184 MW. The expressions for the cost of generation (C1 and C2) and real...

hardanswer key
2025 Q64

Two units, rated at 100 MW and 150 MW, are enabled for economic load dispatch. When the overall incremental cost is 10,000 Rs./MWh, the units are dispatched to 50 MW and 80 MW resp...

hardanswer key
2024 Q34

The incremental cost curves of two generators (Gen A and Gen B) in a plant supplying a common load are shown in the figure. If the incremental cost of supplying the common load is...

medium
2023 Q21

The expressions of fuel cost of two thermal generating units as a function of the respective power generation PG1 and PG2 are given as F1(PG1) = 0.1aP^2_G1 + 40 PG1 + 120 Rs/hour 0...

hard
2023 PYQ

The expressions of fuel cost of two thermal generating units as a function of the respective power generation $${P_{G1}}$$ and $${P_{G2}}$$ are given as $$\matrix{ {{F_1}({P_{G1}})...

mediumanswer keyelite explanation
2021 PYQ

Two generators have cost functions $F_1$ and $F_2$. Their incremental-cost characteristics are $$ \frac{d F_1}{d P_1}=40+0.2 P_1 \text { and } \frac{d F_2}{d P_2}=32+0.4 P_2 $$ The...

easyanswer keyelite explanation
2015 PYQ

Consider the economic dispatch problem for a power plant having two generating units. The fuel costs in $$Rs/MWh$$ along with the generation limits for the two units are given belo...

medium
2008 PYQ

A lossless power system has to serve a load of $$250$$ $$MW.$$ There are two generators ($$G1$$ and $$G2$$) in the system with cost curves $${C_1}$$ and $${C_2}$$ respectively defi...

mediumanswer key
2001 PYQ

A power system has two generators with the following cost curves Generator $$1:$$ $${C_1}\left( {{P_{G1}}} \right) = 0.006\,P_{G1}^2 + 8{P_{G1}} + 350$$ (Thousand Rupees/Hour) Gene...

medium