earth connection

earth connection

[′ərth kə‚nek·shən]
(aerospace engineering)
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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Its Class II construction requires no earth connection. Eight single output models are available in the common nominal output voltages from 3.3 to 48VDC.
The Murchison Widefield Array will have four primary areas of scientific investigation - as well as looking back into the time to the early Universe, soon after the Big Bang, and its in-depth study of the Sun - Earth connection, the data produced by the telescope will also be used to better understand our galaxy and distant galaxies, as well as violent and explosive phenomena in the Universe.
Temporary overvoltages occur during load rejection or because of earth connection faults and the duration of such operating frequency oscillating overvoltage lies between 0.1 seconds and several hours with the surge magnitude not exceeding above 3 p.u.
Unusually for a car in the sub-compact class, there will also be a CD changer, DAB digital radio, Audi Music Interface, hard disk-based MMI navigation plus, a 465-watt 14-speaker Bose sound system with illuminated woofers in the doors, plus an integrated Wi-Fi hot spot and Google Earth connection.
Many are ignorant thinking that the appliance uses two pin and do not know about the earth connection from the two sides of the plug.
Geothermal heating, also referred to as green heat, earth-coupled heat, earth connection, geoexchange, geothermal heat pumps (GHPs), ground-source heat pumps (GSHPs), and water-source heat pumps, is an increasingly popular choice for heating and cooling, Quagliaroli noted, but added, "Its popularity is new, but the proven technology is as old as the earth itself."
Dr Andy Breen is a leading member of the Solar System Physics Research Group at the Institute of Mathematical and Physical Sciences, the University of Wales, Aberystwyth and a co-investigator on the mission's Secchi instrument (Sun Earth Connection Coronal and Heliospheric Investigation).
The events were confusing as the primary cause was obscured from view, the flashes occurred distant to the site of the cord compression directing attention away from the problem, and the RCD could be repeatedly re-set due to lack of a continuous earth connection. A more logical approach could have identified and removed the underlying problem earlier.
In fact the only visible differences are the lock teeth washers and the earth connection. The washers are used with the flange bolts to give full contact with the aluminium body through the paint, this ensures if required, electrical current can pass safely though the Pinch Valve.
Mr Tooth said: 'This system helps keep the hooks clean, which is important because you need a good earth connection when you are using powder adhesives.
GHP systems are composed of three major components: the earth connection, which is the piping in the earth; the geothermal heat pump that moves heat from the building to the earth connection (and vice versa); and the distribution system that delivers heating and cooling throughout a facility.
Make sure the system has a decent electrical earth connection to the mains supply, as this will remove most of the problem.