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The E235 series (E235系, E235-kei) is a DC electric multiple unit (EMU) commuter and suburban train type operated by East Japan Railway Company (JR East). The commuter variant was introduced on Yamanote Line services in November 2015, and the suburban variant entered service on the Sōbu Rapid and Yokosuka Lines on 21 December 2020.
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A typical one-line diagram with annotated power flows. Red boxes represent circuit breakers, grey lines represent three-phase bus and interconnecting conductors, the orange circle represents an electric generator, the green spiral is an inductor, and the three overlapping blue circles represent a double-wound transformer with a tertiary winding.
The E233 series (E233系) is a commuter and suburban electric multiple unit (EMU) train type developed by East Japan Railway Company (JR East) from the earlier E231 series and the E531 series design.
Entered service: 1 December 2001: Refurbished: 2019– Number built: 249 vehicles (5 × 2-car, 19 × 5-car, 16 × 9-car) Number in service: 239 vehicles: Number scrapped
The British Rail Class 375 Electrostar is an electric multiple unit train that was built at Derby Litchurch Lane Works, thirty units by Adtranz from 1999 to 2001, and 110 units by Bombardier Transportation (successors to Adtranz) from 2001 to 2004.
An earth battery is a pair of electrodes made of two dissimilar metals, such as iron and copper, which are buried in the soil or immersed in the sea. Earth batteries act as water-activated batteries .
It consists of a dual manifold with several ports. [2] One manifold is connected to a source of purified inert gas , while the other is connected to a vacuum pump . The inert-gas line is vented through an oil bubbler , while solvent vapors and gaseous reaction products are prevented from contaminating the vacuum pump by a liquid-nitrogen or dry ...