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What does a watt- hour measure?
A watt meter measures the electric power in watts from circuits. They can measure utility frequency, audio frequency power and radio frequency measurement.
What is Fukushima?
Fukushima is a town in Japan that suffered from a strong earthquake and high tsunamis that broke down the electric grid forced the nuclear power units shut down.
How much minimum RPM is required by a turbine to generate Electricity?
As most turbine generators are large enough to be connected to a grid, they will operate at a speed that is predetermined by the grid frequency and the generator's electrical configuration (mainly the number of 'poles' the generator has.) A generator will always run at some multiple of the grid frequency. Most steam turbines on 60 Hz systems operate at either 1800 or 3600 RPM. Hydroelectric turbines run much slower and have a large number of poles. The turbines at Parker Dam, CA, for example, run at a speed of 94.7 RPM. A generator may run at a faster or slower speed if it is disconnected from the grid, but once synchronized it runs at a constant speed. Under certain circumstances a generator may experience a 'slipped pole' (where, for instance, more input force than designed forces it to jump ahead a fraction of a turn), which creates a great deal of physical stress and is something that is considered undesirable operation.
A network of horizontal and vertical lines that provide coordinates for locating points on an image?
grid
How does a charge q oscillates at certain frequency producing electromagnetic waves?
Any charged particle has an electric field surrounding it. If it oscillates, the electric field will continuously change, resulting in the production of a magnetic field, which is in phase with the electric field. But these two fields are perpendicular to each other. These two "oscillating fields" come together to form electromagnetic waves.
What is the frequency of north American grid?
60Hz
How is electric supply related to the National Grid?
Electric supply is related to the National Grid in that the National Grid is composed of many supply lines that direct electricity to the National Grid, and this in turn powers the country.
What frequency rate is used for three phase operation?
Can be any frequency but is most likely to be the grid frequency - 50/60 Hz.
How frequency is controlled in a grid?
The frequency is determined by the operational speed of the generators in the power plant and is very closely related to the RPM of the generators (it might only differ in a constant multiplier).Depending on the load of the grid a proper torque must be applied on the generators to generate voltage with the proper frequency. Once the AC is out in the grid its frequency is much less prone to environmental effects than its voltage.
Is the power grid powered by nuclear energy?
Yes, the electric power grid could be powered by electric power generated through nuclear energy.
How can you use grid in a sentence?
The introduction of a solar power plant helped me to get off of the electric power grid permanently. This grid is rectangular, not square.
What the frequency of a grid does?
50 herzes in INDIA and 60 hz in USA
What is the effect of low grid frequency?
Any equipment that is dependant upon frequency will be effected. Synchronous motors will slow down.
What is the frequency of the secondary of a 230 volt step down transformer?
The frequency is dependant upon what electrical grid that you are connecting the transformerto. If you are connected to a 50 Hz grid, the transformer will output a voltage at 50 Hz. The same thing with the 60 Hz grid, the transformer will output a voltage at 60 Hz.
Why does the synchroscope need to be rotating clockwise if it is turning slowly counterclockwise won't that work the same?
because the incoming generator has be connected as a source and not a load to the grid. if the frequency of the incoming generator is lower than the grid frequency then ... it will behave as a motor drawing power from the grid and generator will trip in reverse power protection.
Where do electric cars get their energy from?
It comes from storage batteries. Those batteries are recharged by either an engine or from the electric grid. Electricity from the electric grid comes from Hydro electric plants, coal fired plants, gas fired plants, wind power turbines, or solar energy.
How do you break the playfair cipher?
The Playfair is susceptible to digraph frequency analysis. Separate the plaintext into digraphs and do a frequency count. Once you've found that, compare the digraph frequency of the ciphertext to the digraph frequency of English and see how it might fit in to the Playfair grid. An intimate understanding of how letters in the grid relate to each other and implications of how the grid is affected by correspondences between the ciphertext and plaintext is critical. I'll try to post a help video on YouTube in the near future.
