DE1170531C2 - Cascade current transformers with split insulator and several cores of different accuracy - Google Patents
Cascade current transformers with split insulator and several cores of different accuracyInfo
- Publication number
- DE1170531C2 DE1170531C2 DE1961S0071937 DES0071937A DE1170531C2 DE 1170531 C2 DE1170531 C2 DE 1170531C2 DE 1961S0071937 DE1961S0071937 DE 1961S0071937 DE S0071937 A DES0071937 A DE S0071937A DE 1170531 C2 DE1170531 C2 DE 1170531C2
- Authority
- DE
- Germany
- Prior art keywords
- cores
- core
- earth
- cascade
- stage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/18—Rotary transformers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transformers For Measuring Instruments (AREA)
Description
3 - : ·■ ■ · . ■ 4 ' "■ ■ ■ 3 - : · ■ ■ ·. ■ 4 '"■ ■ ■
stem eines Kernes dieser Stufe mit Schrägstellung Sekundärwicklungen angeordnet, die gemeinsam mitstem of a core of this stage arranged with inclined secondary windings, which together with
der Kernteile, aufweist, um den Materialaufwand der für die entsprechende Prüf spannung benötigtenthe core parts, in order to cover the material costs required for the corresponding test voltage
und die äußeren Abmessungen günstig zu gestalten. Isolation 3 versehen sind. Als Abschluß trägt dieand to make the external dimensions favorable. Isolation 3 are provided. As a conclusion, the
Bei dem erfindungsgemäßen Stromwandler ist der Isolation 3 den leitenden Belag 4.In the current transformer according to the invention, the insulation 3 is the conductive coating 4.
Vorteil erzielt, daß der Durchmesser des die erd- 5 In der erdseitigen Stufe sind zwei entkoppelte . seitige Stufe umgebenden Isolators z.B. nur durch den Meßsysteme mit den um 90° verdreht angeordneten Plätzbedarf der Primärwicklung bestimmt ist. Diese Primärwicklungen 5 und 6 sowie den zugehörigen Anordnung gestattet es, auch bei versetzter Anord- Eisenkernen 7 a/7 b und 8, die die nicht gezeigten nung der Kerne verschiedener Genauigkeit einen Sekundärwicklungen tragen, untergebracht. Bei dem raumsparenden Aufbau zu erreichen, da z. B. bei io gezeigten Ausführungsbeispiel ist nur der obere Kern Verwendung eines Schenkelkernes als unterer Kern in zwei gleiche Kernteile7a und 7 b aufgeteilt, die die Teilkerne des darüber angeordneten Systems unter einem so großen Winkel zur senkrechten Achse innerhalb des Isolators untergebracht werden können, angeordnet sind, daß sie in radialer Richtung nicht dessenDurchmesser durch dieAusladung des Schenkel- mehr ausladen als die Primärwicklung 5 mit der Isokernes und seiner Primärwicklung gegeben ist. .15 lation 9 bzw. der Kern 8 sowie die Primärwicklung 6The advantage achieved is that the diameter of the earth-5 In the earth-side stage are two decoupled. side stage surrounding insulator is determined, for example, only by the measuring systems with the space requirement of the primary winding rotated by 90 °. These primary windings 5 and 6 and the associated arrangement make it possible, even with staggered arrangement iron cores 7 a / 7 b and 8, which carry secondary windings, not shown, of the cores of different accuracy. To achieve in the space-saving structure, since z. B. in the embodiment shown, only the upper core using a leg core as the lower core is divided into two identical core parts 7a and 7b , which are arranged to accommodate the partial cores of the system above at such a large angle to the vertical axis within the insulator that it does not extend its diameter in the radial direction through the projection of the leg more than the primary winding 5 with the isokernes and its primary winding is given. .15 lation 9 or the core 8 and the primary winding 6
In der Fig. 1 ist zur Erläuterung der Erfindung mit der Isolation 10. Dies ist aus der eine andereIn Fig. 1 is to explain the invention with the insulation 10. This is from the other
als Ausführungsbeispiel schematisch ein Strom- Ansicht wiedergebenden F i g. 2 ersichtlich,as an exemplary embodiment, a schematic representation of a current view is shown in FIG. 2 can be seen,
wandler in zweistufiger Bauweise dargestellt, der in Man kann auch noch den Kern 8 schrägstellen undconverter shown in two-stage construction, which in You can also incline the core 8 and
der erdseitigen Stufe zwei entkoppelte Meßsysteme damit die Bauhöhe weiter herabsetzen,the earth-side stage two decoupled measuring systems thus further reduce the overall height,
aufweist. In der hochspannungsseitigen Stufe sind der 20 Schutz wird nur für die Gesamtheit der Merkmalehaving. In the high-voltage-side stage the protection is only given for the totality of the characteristics
Primärleiter 1 und die beiden Kerne 2 mit ihren des Patentanspruches begehrt.Primary conductor 1 and the two cores 2 with their claims of the claim.
Hierzu 1 Blatt Zeichnungen1 sheet of drawings
Claims (1)
Kerne der oberen Stufe sind mit den jeweiligen Bei einem Spannungswandler (deutsche Patent-From the journal ETZ-A, 1954, p. 308, a neth core is arranged above the voltage transformer with such a cascade current transformer in a multi-core design with a vertically lying core. This approach is known, in which a complete metrological order has been chosen to convert two oil-free measurement independence of the various measuring circuits to a transducer set under the fact that in each stage of the cascade 40 pushing for the smallest possible space to single-core current transformer in a number are intended to be summarized. This results in an arrangement that corresponds to the number of independent measuring 'in which the cores of both transducers in spite of narrow wake circuits; the secondary windings of the cash are magnetically decoupled.
Cores of the upper stage are connected to the respective case of a voltage converter (German patent
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1961S0071937 DE1170531C2 (en) | 1961-01-04 | 1961-01-04 | Cascade current transformers with split insulator and several cores of different accuracy |
CH523461A CH391877A (en) | 1960-05-24 | 1961-05-04 | Cascade current transformers with split insulator and several cores of different accuracy |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1961S0071937 DE1170531C2 (en) | 1961-01-04 | 1961-01-04 | Cascade current transformers with split insulator and several cores of different accuracy |
Publications (2)
Publication Number | Publication Date |
---|---|
DE1170531B DE1170531B (en) | 1964-05-21 |
DE1170531C2 true DE1170531C2 (en) | 1973-04-05 |
Family
ID=7502840
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1961S0071937 Expired DE1170531C2 (en) | 1960-05-24 | 1961-01-04 | Cascade current transformers with split insulator and several cores of different accuracy |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE1170531C2 (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE968565C (en) * | 1951-03-15 | 1958-03-06 | Siemens Ag | Five-leg core for regulating transformers for single-phase traction vehicles |
DE1061891B (en) * | 1953-02-11 | 1959-07-23 | Gen Electric | Iron body for three-phase transformers |
-
1961
- 1961-01-04 DE DE1961S0071937 patent/DE1170531C2/en not_active Expired
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE968565C (en) * | 1951-03-15 | 1958-03-06 | Siemens Ag | Five-leg core for regulating transformers for single-phase traction vehicles |
DE1061891B (en) * | 1953-02-11 | 1959-07-23 | Gen Electric | Iron body for three-phase transformers |
Also Published As
Publication number | Publication date |
---|---|
DE1170531B (en) | 1964-05-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
E771 | Valid patent as to the heymanns-index 1977, willingness to grant licences | ||
EHJ | Ceased/non-payment of the annual fee |