It will depend very much on your local supply company. You will be supplying to the local system at your house voltage (unless you are going in for a fully commercial supply) so you are not going straight to the grid in any case. The local company would certainly want to know what you are doing, for safety reasons. Suppose they had isolated your house supply for work, and you connected your generator at that time, you would make the house supply live again and endanger workers on the lines, so you have to be controlled.
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.
Water behind a dam falls through a turbine, causing the turbine to spin, the turbine spins a large electric alternator (AC generator), the generator produces electricity which is delivered to the power grid.
A power generator converts mechanical energy into electrical energy to provide electricity during power outages or in off-grid locations. It serves as a backup power source or a primary power supply where access to the grid is limited.
A chinese diesel generator is the combination of a diesel engine with an electrical generator (often called an alternator) to generate electric energy. Diesel generating sets are used in places without connection to the power grid or as emergency power-supply if the grid fails. A Chinese generator is pretty much the same as a regular generator. Besides the fact that it is made in China there isn't a big difference in how they function.
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Nuclear fuel - uranium - gets hot and brings water to boil. The steam makes a turbine spin, and the turbine makes an electric generator spin. Electricity from the generator is fed out onto the grid and into peoples homes.
The power grid, some may have a back-up generator for power outages.
The fission energy of a nuclear reactor is heat. It makes steam which runs a turbine electric generator. The electricity is put on the power grid and is sent to the load.
The generator switch panel automatically detects a power outage and switches the power supply from the main grid to the backup generator. This ensures that essential appliances and devices continue to receive power until the main grid is restored.
The short and simple answer is this: A wind turbine consists of blades; similar to those of a helicoptor. These blades are attached to a generator. As wind causes the blades to move, the blades turn the generator to produce electricity. As to how a generator works; I'll have to leave that up to someone else to explain.
Electric companies in the US have the ability to implement rolling blackouts or reduce electricity supply during times of high demand to prevent grid overload. This is usually done as a last resort to avoid wider power outages and protect the stability of the electrical grid. Throttling electricity in this manner is a regulated practice overseen by utility commissions.
The generator in a nuclear power station converts the mechanical energy from the turbine, which is driven by steam created in the reactor, into electrical energy through electromagnetic induction. This electrical energy is then sent out to power the grid and supply electricity to homes and businesses.