impedance relay
61Open collector — A simple schematic of an open collector of an integrated circuit (IC). An open collector is a common type of output found on many integrated circuits (IC). Instead of outputting a signal of a specific voltage or current, the output signal is… …
62S-mètre — d un émetteur récepteur Ten Tec Orion de radioamateur. S mètre Collins avec le point …
63Copper wire and cable — Copper has been used in electric wiring since the invention of the electromagnet and the telegraph in the 1820s.[1][2] The invention of the telephone in 1876 proved to be another early boon for copper wire.[3] Today, despite competition from… …
64Promelectronica — Infobox Company company name = R P Centre «Promelectronica» company company type = The closed joint stock company company slogan = founder = foundation = 1991 in Ekaterinburg, Russia location = Ekaterinburg key people = Igor Tilk, Director… …
65дистанционная защита (КОД ANSI - 21) — дистанционная защита (фаза) Код ANSI 21 [В.Г. Гловацкий, И.В. Пономарев. Современные средства релейной защиты и автоматики электросетей. 2003 г.] дистанционная защита Измерение полного сопротивления Код ANSI 21 [Источник] дистанционная защита… …
66Medical imaging — This article is about imaging techniques and modalities for the human body. For imaging of animals in research, see Preclinical imaging. Medical imaging Diagnostics A CT scan image showing a ruptured abdominal aortic aneurysm …
67Electrolytic capacitor — An electrolytic capacitor is a type of capacitor that uses an ionic conducting liquid as one of its plates. Typically with a larger capacitance per unit volume than other types, they are valuable in relatively high current and low frequency… …
68Electric arc — An electric arc is an electrical breakdown of a gas which produces an ongoing plasma discharge, resulting from a current flowing through normally nonconductive media such as air. A synonym is arc discharge. The phenomenon was first described by… …
69EMC problem (excessive field strength) — In electromagnetic compatibility,EMC problems can occur when the system which is being adversely affected is subject to a high field strength due to a radio transmitter. It is important to note that these effects are not due to defects in the… …
70S-metre — S mètre Le S mètre est un instrument de mesure qui donne la puissance relative d un signal reçu par un récepteur radio. Cet indicateur équipe les récepteurs radio de trafic à usage professionnel ou radioamateur. Sommaire …
