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Symbol ⏚ (⏚) is the "Earth Ground" symbol found on electrical or electronic manual, tag and equipment. It also includes most of the uncommon symbols used by the APL programming language. Miscellaneous Technical (2300–23FF) in Unicode
The digits following the letter codes indicate the difference in phase angle between the windings, with HV winding is taken as a reference. The number is in units of 30 degrees. For example, a transformer with a vector group of Dy1 has a delta-connected HV winding and a wye-connected LV winding.
The use of the term ground (or earth) is so common in electrical and electronics applications that circuits in portable electronic devices, such as cell phones and media players, as well as circuits in vehicles, may be spoken of as having a "ground" or chassis ground connection without any actual connection to the Earth, despite "common" being ...
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.
The connection to ground requires a specially designed ground electrode (or earth electrode). [ 1 ] [ 2 ] The electrode is usually located several tens of kilometres from the converter station in order to avoid possible problems or corrosion in the converter station grounding system.
Experts say vehicle-based attacks are simple for a 'lone wolf' terrorist to plan and execute, and challenging for authorities to prevent.
In “Only Connect,” a group of three people are tasked to figure out what four group of words have a connection before time runs out. Much like Connections, one word can have multiple meanings ...
However, if the main ground connection fails all earth current may flow via the interface, causing signaling failure, hum and in extreme cases destruction of equipment. Type V is the most common variant in use outside United States. In contrast to Type I, both ends of the connection indicate a call by grounding the relevant lead.