For 50 Hz system the maximum speed of a synchronous generator can be 3600 rpm O approximately 3000 rpm O 3000 rpm O approximately 3600 rpm O
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- In a synchronous generator * the OC voltage leads the terminal voltage by an angle known as power factor angle the OC voltage lags the terminal voltage by an angle known as power factor angle the OC voltage leads the terminal voltage by an angle known as power angle the open-circuit voltage (OC) lags the terminal voltage by an angle known as power angleA 4 pole generator is running at 1200 rpm. The frequency and time period of the emf geneated in it's coils are respectively ?The load characteristic curve of the DC generator is the relationship between the O Load current and load voltage Generated voltage and field current O Generated voltage and load current O Load voltage and field current
- a 6 A single phase 400W, 50 Hz Motor takes Suply current of SOA at power factor of 0. Lagging The motor power factor hall been Improved to 0.9 lagging by connecting a capacitor in parallet. Calculeite the size of capacitorThe synchronous speed for 60 Hz induction motor can be equal to 3000 RPM. O True OFalse2. A synchronous generator is connected to an inductive load, please draw phasor diagram to show the relationship between the internal generated voltage of the generator and the terminal voltage across the load. If the same generator is connected to a capacitive load, please draw phasor diagram to show the relationship between the internal generated voltage of the generator and the terminal voltage cross the load again. Explain the difference of the terminal voltage responses at these two types of loads.
- The terminal voltage of a dc series generator running at rated speed and no load is equal to * rated voltage half its rated voltage O zero O a very little voltageA 6 pole DC wave wound generator has 28 armature conductors with flux per pole is 23 mWb and the e.m.f generated is 64 V, then the speed of the machine is O 99.38 rps O 0.63 rps O 33.13 rps O 6.34 rps The thermocouples are suitable for temperature measurement applications in the range of 200°C to over 2000°C. Select one: O True O FalseA six pole synchronous generator operates at 60 Hz. Find the speed of operation