CH643954A5 - POWER DIVIDER FOR MEASURING TRANSDUCERS. - Google Patents
POWER DIVIDER FOR MEASURING TRANSDUCERS. Download PDFInfo
- Publication number
- CH643954A5 CH643954A5 CH508279A CH508279A CH643954A5 CH 643954 A5 CH643954 A5 CH 643954A5 CH 508279 A CH508279 A CH 508279A CH 508279 A CH508279 A CH 508279A CH 643954 A5 CH643954 A5 CH 643954A5
- Authority
- CH
- Switzerland
- Prior art keywords
- web
- measuring
- bands
- plane
- current
- Prior art date
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
- H01F38/20—Instruments transformers
- H01F38/22—Instruments transformers for single phase ac
- H01F38/28—Current transformers
- H01F38/30—Constructions
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transformers For Measuring Instruments (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Description
Die Erfindung bezieht sich auf einen Stromteiler für Mess-60 andererseits aus dem gleichen Grund eine grosse Bautiefe, The invention relates to a current divider for measuring 60, on the other hand, for the same reason, a large structural depth,
wandler nach dem Oberbegriff des Patentanspruches 1. Räumlich günstiger ist die Anordnung nach den Fig. 3 converter according to the preamble of claim 1. The arrangement according to FIG. 3 is spatially more favorable
und 4. In diesen sind die Bänder 6 und 7 zweimal U-förmig and 4. In these, bands 6 and 7 are twice U-shaped
Es ist ein Messwandler zum potentialfreien Messen von gebogen und bilden eine annähernd geschlossene Schlaufe, It is a transducer for the potential-free measurement of bent and form an almost closed loop,
Strömen bekannt (DE-AS 27 34 729), bei dem der zu mes- wobei beide U-Formen je einen gemeinsamen Schenkel 12 Flows known (DE-AS 27 34 729), in which to be measured, both U-shapes each having a common leg 12
sende Strom mit Hilfe eines Stromteilers in einen Messstrom 65 aufweisen, während deren zweite Schenkel 13,14 durch je eine und in einen Nebenschlussstrom aufgeteilt und nur der durch rechtwinklige Abbiegung 15,16 zu den Enden 2 und 3 des den Messstrompfad fliessende Strom im eigentlichen Mess- Metallstreifens 1 geführt sind. Die zwischen den Schenkeln 12 transmit current with the aid of a current divider into a measuring current 65, while the second legs 13, 14 of which are divided by one and into a shunt current and only the right-angled bend 15, 16 to the ends 2 and 3 of the current flowing the measuring current path in the actual measurement - Metal strip 1 are performed. The between the legs 12
wandler ausgewertet wird. und 13,14 verlaufende Symmetrieebene steht senkrecht zur converter is evaluated. and 13, 14 running plane of symmetry is perpendicular to
3 643954 3 643954
Symmetrieebene der gleich wie in der Fig. 2 geformten Mess- halten. Die Messbereiche ergeben sich durch eine entspre- Plane of symmetry of the measuring holders shaped the same as in FIG. 2. The measuring ranges result from a corresponding
leitung. Die Enden 2 und 3 sind ebenfalls mit Stromschienen chende Wahl des Verhältnisses der Querschnittsflächen des management. The ends 2 and 3 are also with busbar choice of the ratio of the cross-sectional areas of the
10 bzw. 11 verlötet. Steges 4 zu den Bändern 6 und 7, wobei der Querschnitt des 10 or 11 soldered. Web 4 to the bands 6 and 7, the cross section of the
Die Anordnung nach der Fig. 5 bedeutet nochmals eine Steges 4 immer nur einen Bruchteil des Querschnittes beider The arrangement according to FIG. 5 again means a web 4 always only a fraction of the cross section of both
Verbesserung, indem der Metallstreifen 1 ausserhalb seiner s Bänder 6 und 7 beträgt. Vorteilhaft wird das jedem Stromtei- Improvement in that the metal strip 1 is outside of its s bands 6 and 7. This will be advantageous for every power supply
Unterteilung in den Steg 4 und die Bänder 6,7 an seinen En- lertyp zugeordnete Verhältnis der Querschnitte vorerst zugun- Subdivision into the web 4 and the bands 6, 7 assigned to his type of element, the ratio of the cross sections for the time being
den 2 und 3 je eine zusätzliche Abbiegung 17 aufweist, deren sten des Querschnittes der Bänder 6 und 7 leicht verschoben, 2 and 3 each have an additional bend 17, the most of the cross section of the bands 6 and 7 slightly shifted,
Biegerichtungen im gleichen Drehsinn wie bei den ersten Ab- das heisst, deren Querschnitt etwas zu gross dimensioniert, Bending directions in the same direction of rotation as in the first Ab- that is, whose cross-section is dimensioned somewhat too large,
biegungen 15 bzw. 16 liegen. Die äusserste Partie der Enden 2 Zur Kompensation nicht zu verhindernder Ungenauigkeiten und 3 bilden eine Ebene parallel zu der zwischen den Sehen- io besteht dann die Möglichkeit der individuellen Eichung jedes kein 12 und 13 bzw. 14 verlaufenden Symmetrieebene. Da- einzelnen Zählers durch geringen Materialabtrag an den Bän- bends 15 and 16 are. The outermost part of the ends 2 To compensate for inaccuracies that cannot be prevented and 3 form a plane parallel to that between the eyes, there is then the possibility of individually calibrating each plane of symmetry that does not run 12 and 13 or 14. Individual counters due to low material removal on the belts
durch können die Enden 2 und 3 auf die Stirnseiten der un- dern 6 und 7. Dies erlaubt einen aufwandmässig günstigen mittelbar nebeneinander liegenden Stromschienen 10 und 11 Abgleich der Zähler. through the ends 2 and 3 on the end faces of the other 6 and 7. This allows a cost-effective, indirectly adjacent busbars 10 and 11 to balance the meters.
gelötet werden. Deren Abstand ist dann nur noch durch die Die beschriebene Anordnung eines Stromteilers ermög- to be soldered. Their spacing is then only possible through the arrangement of a current divider described.
nötige elektrische Isolation bedingt, was sich günstig für die 15 licht es, den die Primärwicklung des Messwandlers bildenden The necessary electrical insulation determines what is favorable for the 15 light that forms the primary winding of the transducer
Kompensation des vom Strom in den Stromschienen erzeug- Kreisring 8 auf einfache Weise genügend weit entfernt von ten Streufeldes auswirkt. den beiden als Nebenschlüsse dienenden Bändern 6,7 anzu-Die beschriebenen Stromteiler werden vorteilhaft in Mess- ordnen. Es verbleibt so genügend Platz für den Messwandler wandlern für statische Elektrizitätszähler verwendet. Sie kön- und dessen Abschirmung gegen Fremdfelder, und der Ein- Compensation of the ring 8 generated by the current in the busbars in a simple manner sufficiently far away from th stray field. to be connected to the two bands 6, 7 serving as shunts. The current dividers described are advantageously used in measuring orders. This leaves enough space for the transducers used for static electricity meters. You can and its shielding against foreign fields, and the input
nen dort zusätzlich sowohl zur Festlegung des Messbereiches 20 fluss des Streufeldes des durch die Bänder 6,7 fliessenden als auch zur Eichung des Elektrizitätszählers dienen. Bei je- Stromteils ist gering. NEN there also serve both to determine the measuring range 20 flow of the stray field of the flowing through the bands 6,7 and to calibrate the electricity meter. With each power part is low.
weils gleich bleibender elektronischer Messeinrichtung ist es Statt die Enden 2,3 des Stromteilers mit Stromschienen nämlich möglich, mit verschieden dimensionierten Stromtei- 10 und 11 zu verbinden, könnten die Enden 2,3 auch direkt lern verschiedene Messbereiche des Elektrizitätszählers zu er- zu Anschlussklemmen ausgeformt sein. Because the electronic measuring device remains the same, instead of connecting the ends 2, 3 of the current divider with busbars to differently dimensioned current parts 10 and 11, the ends 2, 3 could also learn different measuring ranges of the electricity meter to be formed into connecting terminals be.
C C.
2 Blatt Zeichnungen 2 sheets of drawings
Claims (7)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH508279A CH643954A5 (en) | 1979-05-31 | 1979-05-31 | POWER DIVIDER FOR MEASURING TRANSDUCERS. |
DE3008308A DE3008308C2 (en) | 1979-05-31 | 1980-03-04 | Current divider for measuring transducers for potential-free measurement of currents |
FR8009625A FR2458136A1 (en) | 1979-05-31 | 1980-04-29 | CURRENT DIVIDER FOR MEASUREMENT TRANSFORMER |
GB8014594A GB2050070B (en) | 1979-05-31 | 1980-05-02 | Current dividers for measuring transformers |
AT802791A ATA279180A (en) | 1979-05-31 | 1980-05-23 | CURRENT DIVIDER FOR MEASURING TRANSDUCERS FOR THE POTENTIAL-FREE MEASUREMENT OF CURRENTS |
NL8003180A NL8003180A (en) | 1979-05-31 | 1980-05-30 | POWER DIVIDER FOR A MEASURING TRANSFORMER. |
SE8004068A SE436229B (en) | 1979-05-31 | 1980-05-30 | METER TRANSFORMER DISTRIBUTOR |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH508279A CH643954A5 (en) | 1979-05-31 | 1979-05-31 | POWER DIVIDER FOR MEASURING TRANSDUCERS. |
Publications (1)
Publication Number | Publication Date |
---|---|
CH643954A5 true CH643954A5 (en) | 1984-06-29 |
Family
ID=4287636
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH508279A CH643954A5 (en) | 1979-05-31 | 1979-05-31 | POWER DIVIDER FOR MEASURING TRANSDUCERS. |
Country Status (7)
Country | Link |
---|---|
AT (1) | ATA279180A (en) |
CH (1) | CH643954A5 (en) |
DE (1) | DE3008308C2 (en) |
FR (1) | FR2458136A1 (en) |
GB (1) | GB2050070B (en) |
NL (1) | NL8003180A (en) |
SE (1) | SE436229B (en) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH650357A5 (en) * | 1981-03-26 | 1985-07-15 | Landis & Gyr Ag | MAGNETIC CORE-FREE MEASURING CONVERTER FOR POTENTIAL-FREE MEASUREMENT OF A MEASURING CURRENT. |
CH656746A5 (en) * | 1982-06-15 | 1986-07-15 | Landis & Gyr Ag | MAGNETIC SENSOR. |
DE3370875D1 (en) * | 1982-07-26 | 1987-05-14 | Landis & Gyr Ag | Magnetic field sensor and the use thereof |
CH658929A5 (en) * | 1982-10-28 | 1986-12-15 | Landis & Gyr Ag | POWER DIVIDER FOR MEASURING TRANSDUCERS. |
CH660537A5 (en) * | 1983-03-02 | 1987-04-30 | Landis & Gyr Ag | MEASURING CONVERTER FOR MEASURING A CURRENT. |
CH660538A5 (en) * | 1983-03-02 | 1987-04-30 | Landis & Gyr Ag | MEASURING CONVERTER FOR MEASURING A CURRENT. |
CH658930A5 (en) * | 1983-04-25 | 1986-12-15 | Landis & Gyr Ag | CURRENT DIVIDER FOR MEASURING TRANSDUCERS FOR MEASURING A CURRENT. |
CH659895A5 (en) * | 1983-06-09 | 1987-02-27 | Landis & Gyr Ag | ARRANGEMENT FOR MEASURING A CURRENT. |
CH673160A5 (en) * | 1986-02-10 | 1990-02-15 | Landis & Gyr Ag | |
US5107204A (en) * | 1986-12-22 | 1992-04-21 | General Electric Company | Low temperature coefficient shunt for current measurement |
DE4023614A1 (en) * | 1990-07-25 | 1992-01-30 | Carl Spitzenberger | Measurement resistance or shunt for current measuring - has inductive components in measurement and auxiliary paths for frequency independent measurement |
DE19501719C2 (en) * | 1995-01-20 | 1999-10-07 | Siemens Ag | Measuring shunt |
DE19535551C2 (en) * | 1995-09-25 | 1997-10-02 | Siemens Ag | Current transformer arrangement with a shunt |
DE102009033126B4 (en) * | 2009-07-15 | 2011-05-05 | Emh Metering Gmbh & Co. Kg | Current transformer for an electronic electricity meter |
CN103076475B (en) * | 2013-01-10 | 2015-01-07 | 浙江力辉电器有限公司 | Anti-interference manganese-copper current divider |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH618043A5 (en) * | 1977-07-08 | 1980-06-30 | Landis & Gyr Ag | Instrument transformer for the isolated measurement of currents or voltages |
-
1979
- 1979-05-31 CH CH508279A patent/CH643954A5/en not_active IP Right Cessation
-
1980
- 1980-03-04 DE DE3008308A patent/DE3008308C2/en not_active Expired
- 1980-04-29 FR FR8009625A patent/FR2458136A1/en active Granted
- 1980-05-02 GB GB8014594A patent/GB2050070B/en not_active Expired
- 1980-05-23 AT AT802791A patent/ATA279180A/en not_active Application Discontinuation
- 1980-05-30 SE SE8004068A patent/SE436229B/en unknown
- 1980-05-30 NL NL8003180A patent/NL8003180A/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
GB2050070A (en) | 1980-12-31 |
GB2050070B (en) | 1983-03-02 |
SE436229B (en) | 1984-11-19 |
DE3008308C2 (en) | 1982-04-15 |
NL8003180A (en) | 1980-12-02 |
DE3008308A1 (en) | 1980-12-04 |
ATA279180A (en) | 1989-03-15 |
FR2458136B1 (en) | 1983-12-23 |
FR2458136A1 (en) | 1980-12-26 |
SE8004068L (en) | 1980-12-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |