DE1128036B - Method and arrangement for determining the effective current of consumers working with direct current in intermittent operation - Google Patents
Method and arrangement for determining the effective current of consumers working with direct current in intermittent operationInfo
- Publication number
- DE1128036B DE1128036B DES58338A DES0058338A DE1128036B DE 1128036 B DE1128036 B DE 1128036B DE S58338 A DES58338 A DE S58338A DE S0058338 A DES0058338 A DE S0058338A DE 1128036 B DE1128036 B DE 1128036B
- Authority
- DE
- Germany
- Prior art keywords
- current
- working
- arrangement
- hall generator
- proportional
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 6
- 239000004020 conductor Substances 0.000 claims description 4
- 238000004870 electrical engineering Methods 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910000673 Indium arsenide Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- WPYVAWXEWQSOGY-UHFFFAOYSA-N indium antimonide Chemical compound [Sb]#[In] WPYVAWXEWQSOGY-UHFFFAOYSA-N 0.000 description 1
- RPQDHPTXJYYUPQ-UHFFFAOYSA-N indium arsenide Chemical compound [In]#[As] RPQDHPTXJYYUPQ-UHFFFAOYSA-N 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
- G01R15/20—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices, i.e. measuring a magnetic field via the interaction between a current and a magnetic field, e.g. magneto resistive or Hall effect devices
- G01R15/202—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices, i.e. measuring a magnetic field via the interaction between a current and a magnetic field, e.g. magneto resistive or Hall effect devices using Hall-effect devices
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Description
Verfahren und Anordnung zur Ermittlung des Effektivstromes von mit Gleichstrom im Aussetzbetrieb arbeitenden Verbrauchern Es ist bekannt, den Effektivwert des Stromes von mit Gleichstrom im Aussetzbetrieb arbeitenden Verbrauchern, insbesondere der Fahrmotoren von Gleichstrombahnen, in der Weise zu ermitteln, daß mit schreibenden Meßgeräten Stromkurven aufgezeichnet und die Effektivströme hieraus errechnet werden. Die Auswertung der Aufzeichnungen ist sehr zeitraubend. Method and arrangement for determining the effective current of with Direct current in intermittent operation consumers It is known the rms value the current of consumers working with direct current in intermittent operation, in particular the traction motors of direct current railways, to determine in such a way that with writing Measuring devices record current curves and calculate the effective currents from them. The evaluation of the recordings is very time consuming.
So kann beispielsweise eine Person Tage, aber auch Wochen damit beschäftigt sein.For example, a person can be busy for days, but also weeks be.
Gemäß der Erfindung wird der Quadratwert des Arbeitsstromes gebildet und mit Hilfe eines Meßwertstundenzählers der Wert J2 . t gemessen, aus dem der Effektivstrom berechenbar ist. Hierzu wird der Wert J2 . t durch die Betriebszeit geteilt und der erhaltene Quotient radiziert. Vorteilhaft wird zur Ausübung dieses Verfahrens eine Anordnung mit einem Hallgenerator benutzt. According to the invention, the square value of the operating current is formed and with the help of a measured value hour counter the value J2. t measured from which the Effective current is calculable. For this purpose, the value J2. t by the operating time divided and the quotient obtained rooted. This is beneficial for exercising Method used an arrangement with a Hall generator.
Einrichtungen mit Hallgeneratoren sind schon zum Quadrieren und zurMessung der elektrischen Leistung herangezogen worden. Bei einer bekannten Anordnung wird einerseits ein von der Spannung abhängiges, insbesondere ihr proportionales Magnetfeld und andererseits ein dem Stromwert entsprechender Steuerstrom gebildet und dem Hallgenerator in der Weise zugeführt, daß die Hallspannung dem Produkt von Strom und Spannung proportional ist. Devices with Hall generators are already used for squaring and measuring the electrical power has been used. In a known arrangement on the one hand, a voltage-dependent, in particular its proportional magnetic field and on the other hand, a control current corresponding to the current value is formed and the Hall generator supplied in such a way that the Hall voltage is the product of current and voltage is proportional.
Es ist auch schon vorgeschlagen worden, unter Anwendung eines Hallgenerators einen Watt- oder Amperestundenzähler für hohe Gleichströme aufzubauen.It has also been proposed using a Hall generator to build a watt or ampere-hour meter for high direct currents.
Zur Durchführung des neuen Verfahrens ist in vorteilhafter Weise an die Ausgangsklemmen des Hallgenerators, der von einem dem zu überwachenden Arbeitsstrom proportionalen Strom durchflossen und einem dem Arbeitsstrom proportionalen Magnetfeld ausgesetzt ist, ein Voltstundenzähler angeschlossen, an dem ein dem Produkt J2 t t proportionaler Meßwert ablesbar ist. Auf diese Weise ist eine wirtschaftliche und einfache Meßanordnung geschaffen, welche die J2 . t-Werte von intermittierend betriebenen Gleichstromverbrauchern, insbesondere von Gleichstrom-Fahrmotoren, unmittelbar abzulesen gestattet. Der Effektivwert kann aus dem Meßwert J2 . t ohne zeitraubende Arbeit ermittelt werden. To carry out the new process is advantageous to the output terminals of the Hall generator from one of the working currents to be monitored proportional current flowing through it and a magnetic field proportional to the working current is exposed, a volt hour meter is connected to which a product J2 t t proportional measured value can be read. That way is an economic one and simple measuring arrangement created, which the J2. t-values of intermittent operated direct current consumers, in particular direct current traction motors read allowed. The effective value can be obtained from the measured value J2. t without time consuming Work to be determined.
Bei Verwendung eines Rechenschiebers sind hierzu nur eine Rechenschiebereinstellung und zwei Ablesungen erforderlich. Der Effektivstrom kann auf diese Weise über beliebig lange Zeiträume festgestellt werden.When using a slide rule, there is only one slide rule setting and two readings required. In this way, the effective current can be over arbitrarily long periods of time can be detected.
An Hand der Zeichnung soll die Erfindung näher erläutert werden. Die Figur zeigt ein Ausführungsbeispiel in seinen für die Erfindung wesentlichen Teilen in stark vereinfachter, zum Teil schematischer Darstellung. The invention is to be explained in more detail with reference to the drawing. The figure shows an embodiment in its essential for the invention Parts in a greatly simplified, partly schematic representation.
Der Stromabnehmer ist mit 1 bezeichnet und durchsetzt das Magnetjoch 2 der Hallspannungserzeugungseinrichtung. Zur Herleitung der Steuerströme für den Hallspannungserzeuger 3 dient der Ausgangsstrom eines Verstärkers 5, dessen Eingang durch einen kleinen Spannungsabfall längs des Stromleiters (Widerstand 4) eine Steuerspannung erhält, die der Größe des im Stromleiter fließenden Stromes proportional ist. Das Hallplättchen ist durch einen Halbleiterkörper aus einer AIllBv-Verbindung gebildet. Hierunter ist eine halbleitende Verbindung aus einem Stoff der III. mit einem Stoff der V. Gruppe des Periodischen Systems zu verstehen. Solche Materialien sind beispielsweise Indiumarsenid oder Indiumantimonid od. dgl. Zweckmäßig ist das Hallplättchen zwischen Ferritplatten oder anderen hochpermeablen Materialien eingebettet, um den Luftspalt möglichst gering zu halten. Der durch den Stromleiter 1 fließende Betriebsstrom J erzeugt einen magnetischen Fluß im Magnetjoch 2, der als eine der produktbildenden Größen auf den Hallgenerator einwirkt. Die Hallspannung tritt an den Klemmen 6 und 7 auf. An diese Klemmen wird ein nicht dargestellter, handelsüblicher Voltstundenzähler angeschlossen. The current collector is denoted by 1 and passes through the magnet yoke 2 of the Hall voltage generating device. To derive the control currents for the Hall voltage generator 3 is used for the output current of an amplifier 5, its input a control voltage through a small voltage drop along the current conductor (resistor 4) which is proportional to the size of the current flowing in the conductor. That Hall plate is formed by a semiconductor body from an AIllBv compound. Below is a semiconducting compound made of a substance from III. with a fabric of the V group of the Periodic Table. Such materials are for example Indium arsenide or indium antimonide or the like. The Hall plate is useful between Ferrite plates or other highly permeable materials embedded around the air gap to be kept as low as possible. The operating current flowing through the conductor 1 J generates a magnetic flux in the magnet yoke 2, which is one of the product-forming Sizes acts on the Hall generator. The Hall voltage occurs at terminals 6 and 7 on. A commercially available volt hour meter, not shown, is attached to these terminals connected.
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES58338A DE1128036B (en) | 1958-05-23 | 1958-05-23 | Method and arrangement for determining the effective current of consumers working with direct current in intermittent operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES58338A DE1128036B (en) | 1958-05-23 | 1958-05-23 | Method and arrangement for determining the effective current of consumers working with direct current in intermittent operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1128036B true DE1128036B (en) | 1962-04-19 |
Family
ID=7492477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DES58338A Pending DE1128036B (en) | 1958-05-23 | 1958-05-23 | Method and arrangement for determining the effective current of consumers working with direct current in intermittent operation |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE1128036B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1939635A1 (en) * | 2006-12-27 | 2008-07-02 | Siemens Aktiengesellschaft | Device for measuring electric current in a conductor |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE604597C (en) * | 1931-08-25 | 1934-10-24 | Siemens Schuckertwerke Akt Ges | Device for monitoring the voltage in electrical distribution networks |
| DE1020414B (en) * | 1956-08-29 | 1957-12-05 | Siemens Ag | Device for measuring the effective value of alternating currents, in particular of impulse currents in welding systems |
| DE1040682B (en) * | 1954-03-20 | 1958-10-09 | Siemens Ag | DC high current watt or ampere-hour counter |
-
1958
- 1958-05-23 DE DES58338A patent/DE1128036B/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE604597C (en) * | 1931-08-25 | 1934-10-24 | Siemens Schuckertwerke Akt Ges | Device for monitoring the voltage in electrical distribution networks |
| DE1040682B (en) * | 1954-03-20 | 1958-10-09 | Siemens Ag | DC high current watt or ampere-hour counter |
| DE1020414B (en) * | 1956-08-29 | 1957-12-05 | Siemens Ag | Device for measuring the effective value of alternating currents, in particular of impulse currents in welding systems |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1939635A1 (en) * | 2006-12-27 | 2008-07-02 | Siemens Aktiengesellschaft | Device for measuring electric current in a conductor |
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