Derive the steady state voltage equations for a compensated metadyne generator shown in Fig.1 A 2kW, 200V, 1500rpm, 2-pole fully compensated metadyne generator has the following parameters: Field self inductance and resistance 30Η, 200Ω Armature self inductance and resistance 0.06Η, 1 Ω Field armature mutual inductance 1.2H Calculate for steady state operation, the field current and power gain at rated output. 19-axis บ Fig. 1 F daxis

Two generators rated at 2 pole,50 Hz 80 Mw 0.8 pf lag with moment of inertia40000 kg-m2 and 50 Hz, 100 Mw 0.8 pf lag with moment of inertia 10,000kgm2 are connected by a transmission line. Find the inertia constant of eachmachine and the inertia constant of single equivalent machine connected toinfinite bus. Take 100 MVA base.

3-phase, 50 Hz, 4-pole, 220 V, 10A ASM has an ASM 0.85 back power coefficient. stator copper losses are 500 W and rotor copper losses are 200 W. Friction and wind losses 100 W, core losses 300 W and stray load losses 50W. According to this; a. Air gap strength b. Mechanical strength produced c. Output power in horsepower D. Yield e. Slipping f. Working Speed g. Torque Produced h. Output Torque i. By specifying the asynchronous Motor power flow diagram from input to outputby drawing?

The terminal voltage of a 75-kW shunt generator is 600 V at rated load. The resistance of the shunt-field circuit is 150 Q, and the armature-circuit resistance is 0.1 Ω. Find the generated emf. a) 612.9 V b) 621.9 V c) 692.1 V d) none of the above In a 50-kW 245-V shunt generator, 258 V are generated in the armature when the generator delivers rated load at rated voltage. The shunt-field current is 4 A. Find the resistance of the armature. a) 0.03 Ω b) 0.062 Ω c) 0.106 Ω d) none of the above A load that has a resistance of 8 Ω is connected to a separately excited generator that has an armature-circuit resistance of 0.5 Ω. A) What is the armature current when the generated emf is 130 V? a) 1.53 A b) 15.3 A c) 153 A d) none of the above

a 20MVA, 12.2KV, 0.8 PF lagging Y- connected SG has a negligible armature resistance and syn. Reactance of 8.2Ω, the generator is connected in parallel with a 60Hz 12.2Kv infinite bus that is capable of supplying any real or reactive power with no change in frequency or terminal voltage. A) find the internal generated voltage at rated condition. B) what is the armature rated current. C) suppose that the generator is initially operating at rated condition. If the internal generated voltage is decreased by 5%, what is will be the new armature current?

Kindly answer the what is asked wherein the %n at full load, 0.8 lagging is 90.48%, Solve for the %n at 80% of the load and the nmax of it with 0.8pf lagging. Moreover, show me a complete, clean, step by step solution so that I can understand.

Exercise 2 A shunt generator delivers 14A at 270V and the resistance of the shunt field and armature are 100 Q and 0.75 Q2, respectively. Calculate: i. The generated emf and the efficiency of this operating condition. ii. The generated emf if the shunt field impedance was triple and if it was double and the efficiency of these cases. iii. What emf could serve tha same active power of load but at load voltage of 240V and the efficiency in this case.

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A synchronous generator can be represented by a voltage source of 1,7 p.u. in series with an impedance of 2 p.u., which are connected to an ideal voltage source of 1 p.u. Impedance of the synchronous generator has a X/R ratio of 10 and the angle difference between the two voltage sources is 30°. a) Calculate the active power generated by the generator. b) Calculate the active power supplied by the voltage source.

Problem a. (i) Sketch the ideal power curve of the turbine with the following characteristics: • rated speed is 14 m/s ⚫rated power is 1.25 MW ⚫ cut-in speed is 5 m/s ⚫furling or cut-out speed is 20 m/s (ii) Given part (i), calculate the energy produced in one day if the wind blows continuously between 15 and 20 m/s all day (iii) Can the energy produced in one year be determined if you are told that the average wind speed is 14 m/s? Explain why.