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What is critical speed of dc generator?
the maximum permissible speed above which the generator is likely to damage or may cause circuit to fail.
What will happen when shunt field is kept open when generator is running in a dc shunt generator?
n=emf/flux according to this formula field open means fluxwill be zero.flux zero means speed will be infinity,but weknow that no machine can't reach infinite speed so thattherotically ok but practically starting speed willincrease then it will reduced zero.
What is the function of governor in a generator set?
The function of a governor in a generator set is to regulate the speed of the engine. It works by controlling the fuel flow to the engine, adjusting the throttle settings, and maintaining a constant speed regardless of the load demand. The governor ensures that the generator provides a consistent and stable output frequency and voltage.
How do you stabilize or regulate ac three phase voltage and frequency output from natural gas generator?
A natural gas generator connected to the grid has its voltage and speed (frequency) stabilised by being connected to the grid. All generators on a grid run synchronously, and it happens because if one generator has a tendency to lag behind it will produce less power and thereby maintain its speed.
How do you modify the frequency of an AC generator?
You change the speed of rotation.
What modifications must be done if 50Hz generator is to be used at 60 Hz?
To run a 50Hz generator at 60Hz, you would need to adjust the engine speed to match the increased frequency. This could require modifications to the governor system to ensure the engine is running at the correct speed. Additionally, you may need to upgrade the insulation on the generator windings to handle the higher frequency without overheating.
Aerial lifts should not be operated in what kind of wind speed?
The aerial lifts should not be operated in the high wind speed.
What is Hydraulic 5 speed Manuel transmission?
It is a 5 speed manual transmission that is operated/shifted by means of a hydraulic operated clutch.
How you control the speed of self excited dc generator?
Easy. By controlling the speed of the motor or whatever is turning the generator's shaft.
What is the purpose for generator synchronising?
The purpose for generator synchronizing is to match the speed and frequency.
What is critical speed of dc generator?
the maximum permissible speed above which the generator is likely to damage or may cause circuit to fail.
What will happen when shunt field is kept open when generator is running in a dc shunt generator?
n=emf/flux according to this formula field open means fluxwill be zero.flux zero means speed will be infinity,but weknow that no machine can't reach infinite speed so thattherotically ok but practically starting speed willincrease then it will reduced zero.
What is relation between speed of generator and its voltage and torque on generator shaft and current produced by generator?
power = torque * rpm
What is governor function in the generator?
The governor controls the speed of the power source rotating the generator. This has to be continually adjusted to match the load on the generator. As more load is switched on, the generator becomes harder to turn, this would cause the generator to slow down, unless the power unit is adjusted to increase power and correct the speed.
Is a pulse generator and speed senor the same thing?
No.
What is the function of governor in a generator set?
The function of a governor in a generator set is to regulate the speed of the engine. It works by controlling the fuel flow to the engine, adjusting the throttle settings, and maintaining a constant speed regardless of the load demand. The governor ensures that the generator provides a consistent and stable output frequency and voltage.
When alternator will act as induction generator?
when its speed becomes greater than the synchronous speed.
