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A ground loop is caused by the interconnection of electrical devices that results in multiple paths to ground, thereby forming closed conductive loops through the ground connections. A common example is two electrical devices each connected to a mains power outlet by a three-conductor cable and plug containing a protective ground conductor for ...
Ground loops occur when the aircraft is moving on the ground—either taxiing, landing, or during takeoff. Ground loops can damage the undercarriage and wingtips of an aircraft. Several extreme incidents of ground loop have resulted in fatalities.
Ground loop may refer to: Ground loop (electricity) , an unwanted electric current that flows in a conductor connecting two points inadvertently having different potentials Ground loop (aviation) , the rapid circular rotation of an aircraft in the horizontal plane while on the ground
Conventional geared aircraft are much more susceptible to ground looping. A ground loop occurs when directional control is lost on the ground and the tail of the aircraft passes the nose, swapping ends, in some cases completing a full circle. This event can result in damage to the aircraft's undercarriage, tires, wingtips, propeller and engine.
An example showing mains-powered electronic instruments with a floating ground. (Demonstrates three of the typical reasons for a floating ground.) Fourthly, a floating ground can help eliminate ground loops, [3] which reduces the noise coupled to the system. The image on the right shows an example of such a configuration.
In television stations, recording studios, and other installations where signal quality is critical, a special signal ground known as a "technical ground" (or "technical earth", "special earth", and "audio earth") is often installed, to prevent ground loops. This is basically the same thing as an AC power ground, but no general appliance ground ...
Standing eight; inside loop, 1/2 roll (inverts the aircraft), inside loop (towards the ground) 1/2 roll on top of the loop; Wingover; left or right 180° tight turn at the top of a 1/4 looping (up) Zoom climb; dive followed by extreme nose up attitude (not necessarily vertical). Consists of an initial airspeed gain resulting in an increased ...
A ground connection that is missing or of inadequate capacity may not provide the protective functions as intended during a fault in the connected equipment. Extra connections between ground and circuit neutral may result in circulating current in the ground path, stray current introduced in the earth or in a structure, and stray voltage.