US1682383A - osi baden - Google Patents

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Publication number
US1682383A
US1682383A US1682383DA US1682383A US 1682383 A US1682383 A US 1682383A US 1682383D A US1682383D A US 1682383DA US 1682383 A US1682383 A US 1682383A
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Prior art keywords
rectifiers
groups
transformer
group
current
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output
    • H02M7/02—Conversion of AC power input into DC power output without possibility of reversal
    • H02M7/04—Conversion of AC power input into DC power output without possibility of reversal by static converters
    • H02M7/06—Conversion of AC power input into DC power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode
    • H02M7/068—Conversion of AC power input into DC power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode mounted on a transformer

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  • Thisinventiou relates to apparatus for the rectification of-alternating. to direct current and pertains particularly to rectifiersof the mercury vapour type. It is concerned with the distribution of -the impressed. current among a plur'alityof rcctifiers and a plurality of groups ofreetifiers in such fashion as to enable themto function properly when operating in parallel.
  • the general object of the invention is the provision ofan arrangement of apparatus whereby there will be an equal distribution of impressed current among the respective recfifiers )of associated groups, and at the same timepermitthe cutting out of one or more of the. groups without affecting the. voltage of the remaining group or groups. for-the ultimate purposeof maintaining uniformity of voltage in the output of the installation while permitting a desired variation in its current output.
  • Another-object is' the simplification and reduction in cost of apparatus forthe operation of a plurality of groups of rectifiers. in an installation wherein it may be desirable to vary thecurrent output to meet .var ⁇ 'ing demands.- v
  • Thedrawing is a diagrammatic illustration of an installation comprising two groups of mercury vapour rectifiers arranged for operation in parallel.
  • This, transformer is provided with two primary winding-s72 and p?- which are connected .in parallel through the switch; S to the alternating--currentlines-Y .
  • the transformer includes a secondary winding for the rectifier A having the-sections If-and a connected to respective anodes, and asceondary-wvinding for the rectifier B having the sections-I) and I) for the respective anodes. These windings arearranged so that the sectionsv whioht-ake. currentsimulta-neouslyare uniformly distributed over the whole primary winding 22.-so as to fully compensate the same.
  • the transformer includes a secondary winding d and r for the rectifier D.
  • the construction permits any group or groups of rectifiers to be cut in or cut out of service without afiectingthe operation of those remaining or disturbing the uniform distribution of current among the rectifiers of the active group. For example, if the switch is opened, the current, except for a small fraction, ceases to flow in the primary winding P, while primary winding P still carries its full load current, and the windings d and d and e and e continue to supply rectifiers D and E without interruption or disturbance.
  • a single transformer I am able to supply aplurality of groups of rectifiers and permit variation in the quantity output of the installation as desired, by the cutting in or cutting out of the groups selectively, while maintaining the desired equal distribution of current to the respective rectifiers and the desired uniformity of output voltage.
  • Rectifying apparatus comprising, in combination, a plurality of groups of rectifiers, a transformer common to and supply ing said groups.
  • said transformer including a plurality of parallel primary windings and secondary windings for the corresponding input electrodes of the respective rectifiers, each of said secondary windings being uniformly distributed over its associated primary winding.
  • Rectifying apparatus comprising, in combination, a plurality of groups of rectifiers, a transformer common to and supplying said groups, said transformer including a plurality of parallel primary windings arranged side by side and secondary windings for the corresponding input electrodes of the respective rectifiers, the sections of said secondary windings which carry current simultaneously being uniformly distributed over their associated primary windings.
  • Rectifying apparatus comprising, in combination, a plurality of roups of rectifiers, an output 'line supplied by said rectifiers in common, means for disconnecting individual groups from said line, a transformer common to and supplying the rectifieis, said transformer comprising parallel primary windings for the respective rectifiers and secondary windings having sections for current of different polarity, the sections of the secondary windings which carry cur rent simultaneously being uniformly distributed over their associated primary windings and compensating same.
  • Rectifying apparatus comprising, in combination, a'plurality'of groups of rectifiers, the D. C. electrodes of the rectifiers in respective 'roups being'connected,'an out put linesuppl ied by said groups in common, means for disconnecting respective groups from said line, a transformer common to and supplying said groups of rectifiers, said transformer comprising parallel primary windings, onefor each group, and-secondary windings connected to corresponding elec/ trodes of the respective recti'fiers, the simultaneously active secondary windings of each group compensating the primary winding of such group, and means for disconnecting the rectifiers'of respective groups from their secondary windings.
  • Rectifying apparatus comprising, in combination, a plurality of groups of rectifiers each having a lurality of anodes, an output line suppli by said rectifiers in common, and a transformer common to and supplying said groups of rectifiers, said transformer comprising a primary and a secondary winding for each group, each of said secondary windings being divided into sections connected to and energizing respectire anodes of the associated group, the simultaneously energized secondary sections compensating the associated primary windmgs.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Rectifiers (AREA)
US1682383D 1925-04-06 osi baden Expired - Lifetime US1682383A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR596299T 1925-04-06

Publications (1)

Publication Number Publication Date
US1682383A true US1682383A (en) 1928-08-28

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US1682383D Expired - Lifetime US1682383A (en) 1925-04-06 osi baden

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US (1) US1682383A (fr)
FR (1) FR596299A (fr)

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Publication number Publication date
FR596299A (fr) 1925-10-20

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