Per Unit System · Power System Analysis · GATE EE

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 ...

The bus admittance ($$Y_{bus}$$) matrix of a 3-bus power system is given below. $$\quad\quad$$$$\matrix{ 1 & \quad\quad\quad2\quad\quad & 3 \cr ...

The p.u. parameters for a $$500$$ MVA machine on its own base are: Inertia, M = $$20$$ p.u.; reactance X = $$2$$ p.u. The p.u. values of inertia and ...

The three-bus power system shown in the figure has one alternator connected to bus 2 which supplies 200 MW and 40 MVAr power. Bus 3 is infinite bus ha...

Two generator units $$G1$$ and $$G2$$ are connected by $$15$$ $$kV$$ line with a bus at the mid-point as shown below $${G_1} = 250\,\,MVA.\,\,\,15kV...

Two generator units $$G1$$ and $$G2$$ are connected by $$15$$ $$kV$$ line with a bus at the mid-point as shown below $${G_1} = 250\,\,MVA.\,\,\,15kV...

For the power system shown in the figure below, the specifications of the components are the following: $$G1: 25$$ $$kV,$$ $$100$$ $$MVA,$$ $$X=9$$% $...

A generator is connected through a $$20$$ MVA, $$13.8/138$$ kV step up transformer, to a transmission line. At the receiving end of the line a load is...

A new generator having $${E_g} = 1.4\,\angle {30^ \circ }\,$$ pu [ equivalent to ($$1.212 +j$$ $$0.70$$)pu ] and synchronous reactance $$'{X_s}'$$ of ...

A $$75$$ MVA, $$10$$ kV synchronous generator has Xd $$= 0.4$$ p.u. The Xd value (in p.u.) is a base of $$100$$ MVA, $$11$$ kV is ...