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What would happen if a shunt-excited DC generator was operated at too low a speed?
Wiki User
∙ 8y ago
A shunt generator is a type of DC generator that does not use a permanent magnet. Reducing the speed of the generator will reduce the output, but not the load the generator requires because the currents in the parallel branches are independent.
Wiki User
∙ 9y ago
Wiki User
∙ 8y agoIf a DC generator is driven too slowly it will fail to produce the desired voltage.
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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?
60Hz generator can be operated at 50Hz as along as certain conditions are met.Basically the problem is that there is a max flux achieveble in any given machine and EA = K(pie)(w) the max allowable E changes when the speed is changed. Vltage must be derated to 50/60 or 83.3% of its original value. jUst the opposite effect happen when 60Hz generator is operated at 50Hz.
Aerial lifts should not be operated in what kind of wind speed?
The aerial lifts should not be operated in the high wind speed.
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 Hydraulic 5 speed Manuel transmission?
It is a 5 speed manual transmission that is operated/shifted by means of a hydraulic operated clutch.
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
How does EGT and gas generator speed in a free power turbine with a constant speed propeller behave when power setting is increased?
I.The gas generator speed increases. II. The EGT increases
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.
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.
Is a pulse generator and speed senor the same thing?
No.
