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The thyristor is a four-layered, three-terminal semiconductor device, with each layer consisting of alternating N-type or P-type material, for example P-N-P-N. The main terminals, labelled anode and cathode, are across all four layers. The control terminal, called the gate, is attached to p-type material near the cathode.
e. A Flexible Alternating Current Transmission System (FACTS) is a family of Power-Electronic based devices designed for use on an Alternating Current (AC) Transmission System to improve and control Power Flow and support Voltage. FACTs devices are alternatives to traditional electric grid solutions and improvements, where building additional ...
Reliance of the Traveller. Umdat as-Salik wa 'Uddat an-Nasik (Reliance of the Traveller and Tools of the Worshipper, also commonly known by its shorter title Reliance of the Traveller) [1][2] is a classical manual of fiqh for the Shafi'i school of Islamic jurisprudence. The author of the main text is 14th-century scholar Shihabuddin Abu al ...
A silicon controlled rectifier or semiconductor controlled rectifier is a four-layer solid-state current -controlling device. The name "silicon controlled rectifier" is General Electric 's trade name for a type of thyristor. The principle of four-layer p–n–p–n switching was developed by Moll, Tanenbaum, Goldey, and Holonyak of Bell ...
A twelve-pulse thyristor converter for Pole 2 of the HVDC Inter-Island between the North and South Islands of New Zealand. The person at the bottom gives an idea of scale. Each thyristor valve will typically contain tens or hundreds of thyristor levels, each operating at a different (high) potential with respect to earth. [16]
The Burda was accepted within Sufi Islam and was the subject of numerous commentaries by mainstream Sufi scholars [9] such as Ibn Hajar al-Haytami, [10] Nazifi [10] and Qastallani [11] It was also studied by the Shafi'i hadith master Ibn Hajar al-Asqalani (d. 852 A.H.) both by reading the text out loud to his teacher and by receiving it in ...
Ibn Warraq (born 1946) is the pen name of an anonymous author critical of Islam. He is the founder of the Institute for the Secularisation of Islamic Society and used to be a senior research fellow at the Center for Inquiry, [ 1 ][ 2 ][ 3 ] focusing on Quranic criticism. [ 4 ][ 5 ] Warraq is the vice-president of the World Encounter Institute.
TRIAC. For other uses, see Triac. A TRIAC (triode for alternating current; also bidirectional triode thyristor or bilateral triode thyristor[ 1 ]) is a three-terminal electronic component that conducts current in either direction when triggered. The term TRIAC is a genericised trademark. TRIACs are a subset of thyristors (analogous to a relay ...