. Calculate the average power in kW that can be generated in a hydro-electric from the following data Catchment area = 5×109 m²; Mean head; H = 30 m; Annual rainfall; F = 1.25 m; Yield factor; K=80%, noveall =70% If the load factor is 40%; what is the rating of generators installed

Two generators are supplying a load. Both the generators have a no-load frequency of61.5 Hz and the slope sp of 1 MW/HZ. If they are supplying a real load of 2.0 MW at 0.8 pflagging, what would be the system frequency and power sharing between two generators?What measures can be taken to make the frequency 60 HZ. If an additional 1.0 MW load isconnected to the existing one what would the system frequency be.

A 60-Hz, single-phase power line and a telephone line are parallel to each other as shown in the following figure. The telephone line is symmetrically positioned directly below phase b. The power line carries an rms current of 226 A. Assume zero current flows in the ungrounded telephone wires. Find the magnitude of the voltage per Km induced in the telephone line. 5 m 3 m d 2*mO

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If, in one (360 degrees), all of the instantaneous power falls under positive loops (no negativeloops), the load must be:a. A resistorb. An inductor or capacitorExplain:

If the voltage and current supplied to a circuit orload by a source are˜VS = 170∠(−0.157) V ˜IS = 13∠0.28 Adeterminea. The power supplied by the source which isdissipated as heat or work in the circuit (load).b. The power stored in reactive components in thecircuit (load).c. The power factor angle and power factor.

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A three-phase synchronous generator with a nominal pole voltage of 3300 V, nominal apparent power of 1200 kVA, and an operating frequency of 50Hz is given. The drum's ohmic resistance is negligible. During nominal operation, the generator supplies a load with a power factor (P.F.) of 0.8 inductive.Calculate the real power absorbed by the load during nominal operation.

Which of the following descriptions IS NOT correct for loads in power systems? A. The purely resistive load absorbs the real power from the power grid B. The purely inductive load absorbs the positive reactive power from the power grid C. The purely capacitive load absorbs the positive reactive power from the power grid. D. The average value of the instantaneous power through loads is equal to its real power. In an ac circuit, power factor correction or improvement is achieved by A. Connecting a resistor in parallel with the inductive load B. Connecting an inductor in parallel with the inductive load C. Connecting a capacitor in parallel with the inductive load A balanced delta-load can be converted to an cquivalent balanced wye- load by dividing the delta-load impedance by A. square root of 3 В.3 C. 1/3