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Latest Electrical engineering Stories

2015-03-24 23:07:09

New UPS Systems offer network-grade power protection with pure sine wave output, preventing data loss and downtime associated with blackouts, brownouts and power line surges. Chicago,

2015-03-24 16:33:30

Automated Physical Layer Test Package Simplifies USB3.1 Compliance Testing CHESTNUT RIDGE, N.Y., March 24, 2015 /PRNewswire/ -- Teledyne LeCroy today introduces the QPHY-USB3.1-Tx-Rx

2015-03-23 23:05:42

Group CBS increases staff in Lakeland facility to better serve Florida and the Southeast U.S. Addison, Texas (PRWEB) March 23, 2015 Group CBS, Inc.

2015-03-20 23:05:24

LED Lighting Inc. expands T8-series with new G3 ballast-compatible T8 tube lamp with a 90+ CRI. Chicago, IL (PRWEB) March 20, 2015 LED Lighting Inc.

2015-03-20 08:22:18

PALM BEACH GARDENS, Fla., March 20, 2015 /PRNewswire/ -- Golden Age Resources, Inc., (OTC MARKETS Pink: GDAR) announced today a new Management Team and plans to launch its Latin American Initiatives,

2015-03-19 23:01:50

RESA Power Solutions completes acquisition of Transformer Testing and Repairs, Inc., a leading provider of west coast transformer maintenance. San Jose, CA (PRWEB)

2015-03-19 16:23:46

Plans Include Building New Substations, Adding New Power Lines and Installing Voltage Regulating Equipment GREENSBURG, Pa., March 19, 2015 /PRNewswire/ -- FirstEnergy Corp.

2015-03-19 08:25:02

Genpact research shows current levels at half the 2013 peak but results vary widely by industry NEW YORK, March 19, 2015 /PRNewswire/ -- Genpact (NYSE: G), a global


Latest Electrical engineering Reference Libraries

45_bf7dfca550c23c4d52c592a0411d2543
2010-10-28 18:28:32

A mercury arc valve converts high-voltage or high-current alternating current into direct current. It is an electrical rectifier often used to provide power for industrial motors, electric railways, streetcars, and electric locomotives. Peter Cooper Hewitt, in 1902, invented the mercury arc rectifier. It was further developed by researchers throughout the 1920s and 1930s. Prior to solid-state devices, mercury arc rectifiers were one of the more efficient rectifiers. Silicon diode and...

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Word of the Day
gazingstock
  • A person or thing gazed at with wonder or curiosity, especially of a scornful kind.
The 'stock' of 'gazingstock' comes from an Old English word meaning 'tree trunk' or 'wood'.
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