utilities are seeing frequent overloads and overvoltages in feeders and transformers, shortening their equipment life. For instance, when power flows from a customer’s rooftop solar panel to the grid, power line capacity could overflow and cause grid congestion. ...
capable of generating a surge of thousands of volts that can overwhelm and damage electronic devices instantaneously. Other external sources include power outages, grid switching by utility companies, and the activities of large electrical consumers such as factories...
A government video shows the potential destruction caused by hackers seizing control of a crucial part of the U.S. electrical grid: an industrial turbine spinning wildly out of control until it becomes a smoking hulk and power shuts down. The video, produced for the Homeland Security Department ...
When an electric motor has power first applied to it, the rotor is not moving. As the rotor gains speed, a voltage is induced in the windings. The polarity of this induced voltage is the opposite polarity of the applied voltage. With opposite polarities, the two voltages subtract from ea...
Such efforts can have significant positive impacts on the quality of life, economic development, and overall stability in these regions. 1.2. Topology of Grid Utilities Traditional topologies are often centralized systems built as ring or radial networks to service consumers over a sizable geographic ...