mercury arc in a sentence
1) The last mercury arc system was shut down in 2012.
arc collocations
2) Medium or low-pressure mercury arc lamps can excite these respective transitions.
3) Power electronics started with the development of the mercury arc rectifier.
mercury arc example sentences
4) Mercury arc rectifiers were invented by Peter Cooper Hewitt in 1902.5) See HVDC mercury arc valves.
6) The original link used mercury arc valve converters, and was rated at 600 MW.
7) The Inter-Island link was the last HVDC transmission scheme in operation using mercury arc valves.
8) Removal of all remaining mercury arc valve Pole 1 equipment at both Benmore and Haywards.
9) A mercury arc valve is a type of electrical rectifier which converts alternating current into direct current.
10) Consequently, converters built with mercury arc valves are known as line-commutated converters (LCC).
11) The mercury arc valves were decommissioned on 1 August 2012, ahead of commissioning of replacement thyristor converters.
12) The mercury arc valve converter stations of the New Zealand scheme were replaced by new thyristor converter stations.
13) Several mercury arc rectifiers were salvaged from the Konti-Skan link between Denmark and Sweden for this restoration.
14) Mercury arc valves with grading electrodes of this type were developed up to voltage ratings of 150 kV.
15) The mercury arc became the principal light source, first with photographic detection and then with spectrophotometric detection.
example sentences with mercury arc
16) Mercury arc valves require an external circuit to force the current to zero and thus turn off the valve.17) Since then, all mercury arc systems have been either shut down or converted to use solid state devices.
18) Mercury arc valves for HVDC were, therefore, often constructed with four or six anode columns in parallel.
19) From the 1920s on, research continued on applying thyratrons and grid-controlled mercury arc valves to power transmission.
20) In addition, the mercury arc produces substantial amounts of short wave UV which is extremely hazardous to anything living.
21) Gaseous mercury is also found in some electron tubes, including ignitrons, thyratrons, and mercury arc rectifiers.
22) Liquid mercury was also used to seal the metal leads of early mercury arc lamps into the fused silica bulbs.
23) Prior to the development of mercury arc valve rectifiers, rotary converters were used to produce DC power from AC.
24) The upgrade project involved continued use of the existing mercury arc valve converter equipment alongside new solid state thyristor converter stations.
25) The aging and obsolete mercury arc valve converter stations of the HVDC Inter-Island link were also replaced with thyristor valve converters.
26) The construction of a mercury arc valve takes one of two basic forms - the glass-bulb type and the steel-tank type.
27) Like mercury arc valves, thyristors require connection to an external AC circuit in HVDC applications to turn them on and off.
28) A mercury arc also may be substituted for the filament, but such an arrangement is apt to be noisy in the telephone.
How to use mercury arc in a sentence
29) The last operating mercury arc system (the HVDC Inter-Island link between the North and South Islands of New Zealand) was shut down in 2012.30) The project replaces the aging mercury arc rectifier Pole 1 converter stations with a new thyristor valve pole (to be known as Pole 3).
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