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Incremental Cost

GATE Electrical Engineering · Power Systems - Economic Operation · 1998-2025

12
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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
2025 PYQ

Two units, rated at 100 MW and 150 MW , are enabled for economic load dispatch. When the overall incremental cost is $10,000 \mathrm{Rs}$./MWh, the units are dispatched to 50 MW an...

mediumbasic explanation
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 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
2022 PYQ

The fuel cost functions in rupees/hour for two 600 MW thermal power plants are given by Plant 1 : C 1 = 350 + 6P 1 + 0.004P$$_1^2$$ Plant 2 : C 2 = 450 + aP 2 + 0.003P$$_2^2$$ wher...

easyanswer 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
2015 PYQ

The incremental costs (in rupees/$$MWh$$) of operating two generating units are functions of their respective powers $${P_1}$$ and $${P_2}$$ in $$MW,$$ and are given by $$${{d{C_1}...

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
2000 PYQ

The incremental cost characteristic of two generators delivering $$200$$ $$MW$$ are as follows $$\,\,\,{{d{F_1}} \over {d{P_1}}} = 20 + 0.1{P_1},\,\,{{d{F_2}} \over {d{P_2}}} = 16...

easyanswer key
1998 PYQ

In a power system, the fuel inputs per hour of plants $$1$$ and $$2$$ are given as $${F_1} = 0.20\,P_1^2 + 30\,{P_1} + 100\,\,$$ Rs per hour $${F_2} = 0.25\,P_2^2 + 40\,{P_2} + 150...

medium