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Mechanically powered flashlights were distributed by aid organizations to survivors of the 2010 Haiti earthquake since electric power was lost for a long period. A mechanically powered flashlight (UK: mechanically powered torch ) is a flashlight that is powered by electricity generated by the muscle power of the user, so it does not need ...
September 2—Malaysia—The 2003 southern Malaysia blackout resulted when a power failure affected five states (out of 13), including the capital Kuala Lumpur, for five hours, starting at 10:00 am local time. September 23—Denmark and Sweden—A power failure affected five million people in east Denmark and southern Sweden. [79] [80]
Power outages are categorized into three different phenomena, relating to the duration and effect of the outage: A transient fault is a loss of power typically caused by a fault on a power line, e.g. a short circuit or flashover. Power is automatically restored once the fault is cleared. A brownout is a drop in voltage in an electrical power ...
427.5 MW power generation loss, due to munitions explosions. Widespread continuous power shortages: 2011 [1] Ferrybridge C: United Kingdom: 2000 MW power generation loss, due to cooling tower collapse. No serious impact on National Grid: 1 November 1965 [2] Tilbury: United Kingdom: 750 MW power generation loss, due to fuel fire February 2012.
A flashlight or electric torch (Commonwealth English), usually shortened to torch, is a portable hand-held electric lamp. Formerly, the light source typically was a miniature incandescent light bulb , but these have been displaced by light-emitting diodes (LEDs) since the early 2000s.
The Northeast blackout of 2003 was a widespread power outage throughout parts of the Northeastern and Midwestern United States, and most parts of the Canadian province of Ontario on Thursday, August 14, 2003, beginning just after 4:10 p.m. EDT.
In electric power distribution networks, a fault indicator is a device which provides visual or remote indication of a fault on the electric power system. Also called a faulted circuit indicator (FCI), [1] the device is used in electric power distribution networks as a means of automatically detecting and identifying faults to reduce outage time.
In the event of a power failure this would remove the power directly from the coil and also the PLC input. Hence, a fail-safe system. If a voltage regulator fails, it can destroy connected equipment. A crowbar (circuit) prevents damage by short-circuiting the power supply as soon as it detects overvoltage.
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