earth-fault relay
1Earth leakage circuit breaker — An Earth Leakage Circuit Breaker (ELCB) is a safety device used in electrical installations with high earth impedance to prevent shock.PurposeMany electrical installations have a relatively high earth impedance. This may be due to the use of a… …
2Earth and Space Sciences — ▪ 1996 Introduction GEOLOGY AND GEOCHEMISTRY In 1995 significant developments took place in the realm of geologic mapping, which provides the foundation for the presentation and comparison of data in the Earth sciences. The most important… …
3Protective relay — See also: Power system protection In electrical engineering, a protective relay is a complex electromechanical apparatus, often with more than one coil, designed to calculate operating conditions on an electrical circuit and trip circuit breakers …
4Power system protection — is a branch of electrical power engineering that deals with the protection of electrical power systems from faults through the isolation of faulted parts from the rest of the electrical network. The objective of a protection scheme is to keep the …
5Circuit breaker — For other uses, see Circuit breaker (disambiguation). An air circuit breaker for low voltage (less than 1000 volts) power distribution switchgear …
6ANSI Device Numbers — The ANSI Standard Device Numbers [ [http://www.geindustrial.com/pm/notes/ref/ANSI.pdf GE Multilin ANSI Standard Device Number] ] [ Protective Relaying Manual , Pennsylvania Electric Association (1975)] [ [http://www.basler.com/downloads/ANSI… …
7List of Sgt. Frog characters — The following is a list of various characters in the fictional universe of the anime and manga series Sgt. Frog and related works. Contents 1 Keronians 1.1 Keroro Platoon 1.1.1 Keroro 1.1.2 …
8встроенная защита — [Интент] Параллельные тексты EN RU Automatic circuit breakers with microprocessor based electronic relay with integrated protection against earth fault (function G) [ABB] Автоматические выключатели с микропроцессорным электронным реле со… …
9TXE — TXE, which stands for Telephone eXchange Electronic, was the designation given to a family of telephone exchanges developed by the British General Post Office (GPO), now BT, designed to replace the ageing Strowger systems. When World War II ended …
10Liste der Schaltzeichen (Elektrik/Elektronik) — In diesem Artikel oder Abschnitt fehlen folgende wichtige Informationen: Es fehlen u. a. Schaltzeichen und graphischen Symbole für Akkumulatoren und Primärzellen Koppelstufen Wählerelemente Fernsprecher Sende und Empfangseinrichtunge …
