Electroanalytical Exploitation of Nitroso Phenyl Modified Carbon-Thiol Interactions: Application to the Low Voltage Determination of Thiols

2007 ◽  
Vol 19 (4) ◽  
pp. 437-444 ◽  
Author(s):  
Poobalasingam Abiman ◽  
Gregory G. Wildgoose ◽  
Richard G. Compton
Keyword(s):  
Low Voltage ◽  
Thiol Interactions

scholarly journals Calculations, norming and reducing of electrical energy losses in city electrical networks

2019 ◽  
Vol 21 (3) ◽  
pp. 46-54
Author(s):  
A. V. Lykin ◽  
E. A. Utkin
Keyword(s):  
High Voltage ◽  
Power Transmission ◽  
Low Voltage ◽  
Demand Curve ◽  
Electrical Energy ◽  
Electrical Network ◽  
Energy Losses ◽  
Capital Investments ◽  
Electrical Networks

The article considers the feasibility of changing the structure of a distribution electrical network by transferring points of electricity transformation as close to consumers as possible. This approach is based on installation of pole-mounted transformer substations (PMTS) near consumer groups and changes the topology of the electrical network. At the same time, for groups of consumers, the configuration of sections of the low-voltage network, including service drops, changes. The efficiency of approaching transformer substations to consumers was estimated by the reduction in electrical energy losses due to the expansion of the high-voltage network. The calculation of electrical losses was carried out according to twenty-four hour consumer demand curve. To estimate the power losses in each section of the electrical network of high and low voltage, the calculated expressions were obtained. For the considered example, the electrical energy losses in the whole network with a modified topology is reduced by about two times, while in a high-voltage network with the same transmitted power, the losses are reduced to a practically insignificant level, and in installed PMTS transformers they increase mainly due to the rise in total idle losses. The payback period of additional capital investments in option with modified topology will be significantly greater if payback is assessed only by saving losses cost. Consequently, the determination of the feasibility of applying this approach should be carried out taking into account such factors as increasing the reliability of electricity supply, improving the quality of electricity, and increasing the power transmission capacity of the main part of electrical network.

Determination of the future actuator demand of adaptive smart low voltage grids

2017 ◽  
Author(s):  
Philippe Steinbusch ◽  
Jan Meese ◽  
Roman Uhlig ◽  
Jan Mehlich ◽  
Marcus Stotzel ◽  
...  
Keyword(s):  
Low Voltage ◽  
The Future

On-Site Low Voltage Determination of Zero-Sequence Impedances for Power Transformers

2020 ◽  
Vol 35 (2) ◽  
pp. 1048-1057
Author(s):  
Haytham Saeed ◽  
Mariana Kamel ◽  
Abdelrahman Karrar ◽  
Ahmed H. Eltom ◽  
Mark Bowman
Keyword(s):  
Low Voltage ◽  
Power Transformers ◽  
Zero Sequence

Determination of Unsaturated Hydrocarbons by Low Voltage Mass Spectrometry

1956 ◽  
Vol 28 (8) ◽  
pp. 1248-1255 ◽  
Author(s):  
F. H. Field ◽  
S. H. Hastings
Keyword(s):  
Mass Spectrometry ◽  
Low Voltage ◽  
Unsaturated Hydrocarbons

Spectrographic Determination of Indium and Gallium in Cadmium Telluride Using Alumina-Cup Electrode

1969 ◽  
Vol 23 (2) ◽  
pp. 115-120 ◽  
Author(s):  
Shigeru Ohtsuka
Keyword(s):  
Cadmium Telluride ◽  
Coefficient Of Variation ◽  
Neutral Atom ◽  
Low Voltage ◽  
Approximate Determination ◽  
Spectrographic Determination ◽  
Suitable Amount ◽  
Graphite Rod

A spectrographic technique using a specially designed cup electrode is proposed for the determination of indium and gallium in a solution of cadmium telluride. The electrode consists of an alumina cup which serves as a reservoir for the sample and a central tungsten rod supporting a graphite rod. It allows the excitation under low voltage over damped discharge. The method is especially useful for analysis of small quantities of material. The addition of a suitable amount of lithium has been found to enhance the intensity of the neutral atom lines of indium and gallium. Approximate determination limits for indium and gallium are 0.5 μg/ml, and the coefficient of variation for the determination is about 6% at the 5 μg/ml level.

Determination of the Feedback Capacity of a Low Voltage Trench Gate MOSFET from Dynamic Measurements

2007 ◽  
Author(s):  
Vera Hoch ◽  
Melanie Lubbers ◽  
Jurgen Petzoldt ◽  
Michael Heeb ◽  
Heiner Jacobs
Keyword(s):  
Low Voltage ◽  
Dynamic Measurements

Determination of Mercaptans in Naphthas by Low Voltage Mass Spectrometry

1960 ◽  
Vol 32 (8) ◽  
pp. 941-942 ◽  
Author(s):  
W. P. Hoogendonk ◽  
F. W. Porsche
Keyword(s):  
Mass Spectrometry ◽  
Low Voltage
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