DE576994C - Current transformer built like the feeder, lockable from the handle side - Google Patents

Current transformer built like the feeder, lockable from the handle side

Info

Publication number
DE576994C
DE576994C DEH128918D DEH0128918D DE576994C DE 576994 C DE576994 C DE 576994C DE H128918 D DEH128918 D DE H128918D DE H0128918 D DEH0128918 D DE H0128918D DE 576994 C DE576994 C DE 576994C
Authority
DE
Germany
Prior art keywords
current transformer
legs
handle side
feeder
lockable
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
Application number
DEH128918D
Other languages
German (de)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ABB Training Center GmbH and Co KG
Original Assignee
Hartmann and Braun AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hartmann and Braun AG filed Critical Hartmann and Braun AG
Priority to DEH128918D priority Critical patent/DE576994C/en
Application granted granted Critical
Publication of DE576994C publication Critical patent/DE576994C/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00Adaptations of transformers or inductances for specific applications or functions
    • H01F38/20Instruments transformers
    • H01F38/22Instruments transformers for single phase ac
    • H01F38/28Current transformers
    • H01F38/30Constructions

Description

Von der Griffseite her verschließbarer, nach Art der Anlegergebauter Stromwandler Zur vorübergehenden Messung der Belastung eines Leiters sind Wandler bekannt, die man schnell so zusammensetzen kann, daß das Eisen den Stromwandler umschließt. Eine besondere Bedeutung haben die W andlereinrichtungen, die unter dem Warenzeichen Dietze-Anleger geschützt sind, erhalten, bei welchen das Eisenjoch im wesentlichen nach <1rt einer Zange gebildet ist. Beim Zusammendrücken der Zange werden die beiden Schenkel auseinandergespreizt, so daß man den Leiter umgreifen kann.Can be locked from the handle side, built in the style of the feeder Current transformers Transformers are used to temporarily measure the load on a conductor known, which can be put together quickly so that the iron is the current transformer encloses. The converting institutions under the trademark Dietze investors are protected, in which the Eisenjoch is essentially formed after <1rt of a pair of pliers. When squeezing the Pliers spread the two legs apart so that you grip the conductor can.

Es treten nun Fälle auf, bei welchen die einzelnen Stromleiter so dicht beieinanderstehen, wie das in Abb. i dargestellt ist, so daß man ein durch Spreizen der Schenkel i und z geöffnetes Eisenjoch durch den schmalen Raum zwischen den Leitern 3, 4, 5 nicht mehr hindurchbringen kann.There are now cases in which the individual conductors so stand close together, as shown in Fig. i, so that one can get through Spread the legs i and z open iron yoke through the narrow space between can no longer get through the conductors 3, 4, 5.

Sind die Leiter 3, 4 5 dicht an einer Wand angeordnet, wie es in Verteilungsanlagen die Regel ist, so lassen sich auch Stromwandler mit festem Eisenjoch und lösbarem Schlußstück nicht anwenden. Zur Befestigung des Schlußstückes müßte man nämlich zwischen den Leitungen hindurchgreifen, um die Schlußschraube anzuziehen. Ein solches Hindurchgreifen ist jedoch sehr schwierig und bei unter Spannung stehenden Leitungen ausgeschlossen.Are the conductors 3, 4 5 arranged close to a wall, as in distribution systems As a rule, current transformers with fixed iron yokes and detachable ones can also be used Do not use the ending. To attach the end piece you would have to reach through between the lines to tighten the locking screw. One such However, reaching through is very difficult and with live lines locked out.

Erfindungsgemäß werden deshalb bei einem nach Art der Anleger gebauten Stromwandler die Gelenke derart angeordnet, daß die beiden Längsschenkel i und 2 nicht quer zur Leiterebene gespreizt zu werden brauchen, sondern daß sie ihre Entfernung voneinander beibehalten.According to the invention are therefore built in a type of investor Current transformer the joints arranged in such a way that the two longitudinal legs i and 2 do not need to be spread across the conductor level, but that they need to be spread their distance maintained from each other.

Abb. i zeigt eine Lösung nach diesem Erfindungsgedanken. Das Schlußstück 6 ist am Ende des Schenkels a beweglich gelagert, und zwar um die Achse 7. Die Achse und das Verschlußstück werden mit einer Federung versehen, welche bestrebt ist, dieses Schlußstück in die gestrichelte Verbindungslage 8 zurückzuführen. Beim Durchschieben des Anlegers stößt also der Leiter 4 an die äußere Kante des Schlußstückes 6, drückt es so lange zurück, bis die Schenkel i und z genügend tief eingedrungen sind; dann schnappt es in seine Abschlußlage zurück. Entsprechend verhält es sich beim Herausnehmen, indem es zunächst nach außen gedrückt wird. Um die Außenseite sind isolierende Beläge 9 gelegt.Fig. I shows a solution based on this inventive concept. The final piece 6 is movably mounted at the end of the leg a, about the axis 7. The axis and the closure piece are provided with a suspension which strives this final piece can be traced back to the connecting layer 8 in dashed lines. When pushing through of the investor so the conductor 4 hits the outer edge of the tail piece 6, pushes it back until the legs i and z have penetrated sufficiently deep; then snaps it back into its final position. It behaves accordingly when removing by first pushing it outwards. There are insulating coverings around the outside 9 laid.

In Abb. z sind die Längsschenkel . gegeneinander drehbar, und zwar ist der Schenkel i i mit dem Griff i o fest verbünden, der Schenkel i a aber drehbar, was etwa durch Drehen .des Hebels 13 bewerkstelligt wird. Der Schenkel 1 z dreht sich um die Achse 14, also parallel zu dem Leiter und ähnelt einer Schere. In diesem geöffneten Zustand ist es nicht schwierig, den Leiter zu umgreifen, ohne daß nach der Seite viel Platz zu sein braucht, also etwa so viel Platz, wie es bei der alten Art eines Anlegers notwendig wäre, wenn sich die Fläche 15 von der Fläche T 6 nach Art einer Zange entfernen müßte. Eine weitere Form zeigt Abb. 3. Hier ist ein Schenkel 21 um die Achse 22 drehbar angeordnet, wobei das Schlußstück 23 den ganzen Spalt überbrückt. Nach dem gleichen Prinzip lassen sich auch beide Schenkel, jeder für sich, um seine eigene Achse drehbar anordnen. Die Kopfschlußstücke besitzen dann die halbe Länge der zu schließenden Öffnung.In Fig. Z are the longitudinal legs. rotatable against each other, namely the leg ii is firmly connected to the handle io, but the leg generally rotatable, which is accomplished by turning the lever 13, for example. The leg 1 z rotates about the axis 14, that is, parallel to the conductor and resembles a pair of scissors. In this open state, it is not difficult to reach around the head without needing a lot of space on the side, that is, about as much space as would be necessary with the old type of investor if the area 1 5 is from the Surface T 6 would have to remove like a pair of pliers. Another form is shown in Fig. 3. Here a leg 21 is rotatably arranged about the axis 22, the end piece 23 bridging the entire gap. According to the same principle, both legs can be arranged rotatably around its own axis, each for itself. The head end pieces then have half the length of the opening to be closed.

Die beschriebenen Anordnungen ermöglichen rasch vergleichende Messungen an unter Spannung stehenden Leitern, selbst wenn diese dicht an einer Wand angeordnet sind. Mit den bisher bekannten anlegerartigen Stromwandlern oder Stromwandlern mit lösbarem Schlußstück lassen sich diese Messungen nicht ausführen.The arrangements described enable quick comparative measurements on live conductors, even if they are arranged close to a wall are. With the previously known investor-type current transformers or current transformers with These measurements cannot be carried out with a detachable end piece.

Claims (3)

PATENTANSPRÜCHE: i. Von der Griffseite her schließbarer, nach Art der Anleger gebauter Strom-,vandler, dadurch gekennzeichnet, daß die Jochteile derart gelenkig miteinander verbunden sind, daß zur Öffnung des Joches die Längsschenkel nicht quer zur Richtung des zu umgreifenden Leiters gespreizt zu werden brauchen. PATENT CLAIMS: i. Can be closed from the handle side, according to Art the investor built electricity, vandler, characterized in that the yoke parts in such a way are articulated together that the longitudinal legs to open the yoke do not need to be spread across the direction of the conductor to be encompassed. 2. Stromwandler nach Anspruch i, dadurch gekennzeichnet, daß das Schlußst'ück (6) am Ende eines Schenkels derart drehbar gelagert ist, daß es dem zu umgreifenden Leiter ausweichen kann. 2. Current transformer according to claim i, characterized in that the end piece (6) is rotatably mounted at the end of a leg so that it is to be encompassed Head can dodge. 3. Stromwandler nach Anspruch i und 2, dadurch gekennzeichnet, daß die Schenkel (i i und i 2) sich parallel zur Ebene der zu umgreifenden Leitern auseinanderbewegen lassen, ohne daß sie quer zur Leiterebene beim Öffnen erhöhten Platzbedarf haben. q.. Stromwandler nach Anspruch i, dadurch gekennzeichnet, daß das oder die Schlußstücke (23) durch Drehen eines oder beider Schenkel (2o, 21) um ihre Längsachsen auseinandergeklappt werden.3. Current transformer according to claim i and 2, characterized in that that the legs (i i and i 2) are parallel to the plane of the ladders to be encompassed Let them move apart without them being raised across the conductor level when opening Have space requirements. q .. Current transformer according to claim i, characterized in that the end piece (s) (23) by turning one or both legs (2o, 21) be unfolded about their longitudinal axes.
DEH128918D 1931-10-10 1931-10-10 Current transformer built like the feeder, lockable from the handle side Expired DE576994C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEH128918D DE576994C (en) 1931-10-10 1931-10-10 Current transformer built like the feeder, lockable from the handle side

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEH128918D DE576994C (en) 1931-10-10 1931-10-10 Current transformer built like the feeder, lockable from the handle side

Publications (1)

Publication Number Publication Date
DE576994C true DE576994C (en) 1933-05-19

Family

ID=7175745

Family Applications (1)

Application Number Title Priority Date Filing Date
DEH128918D Expired DE576994C (en) 1931-10-10 1931-10-10 Current transformer built like the feeder, lockable from the handle side

Country Status (1)

Country Link
DE (1) DE576994C (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1025064B (en) * 1955-07-05 1958-02-27 Siemens Ag Current clamp transformer
DE1766774A1 (en) * 1967-07-17 1971-08-12 Tektronix Inc Device for measuring the current flowing through an electrical conductor
FR2538555A1 (en) * 1982-12-22 1984-06-29 Universal Technic ELECTRIC CURRENT MEASURING CLAMP WITH MAGNETIC CIRCUIT WITH SWIVEL CONNECTION
DE4331265C2 (en) * 1993-09-15 2001-03-29 Horstmann Gmbh Dipl Ing H Current transformers for electrical conductors
DE19962323A1 (en) * 1999-12-23 2001-07-19 Metrawatt Gmbh Gossen Electrical measurement device, e.g. current tong tester; has annular jaw head with at least one moving jaw element, where width with jaw element open is not greater than with jaw element closed
DE10131739B4 (en) * 2001-07-03 2009-04-16 Mbs Ag Power converter
GB2497428A (en) * 2011-12-06 2013-06-12 Isotera Ltd Two-part ferrite core power coupling and distribution arrangements

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1025064B (en) * 1955-07-05 1958-02-27 Siemens Ag Current clamp transformer
DE1766774A1 (en) * 1967-07-17 1971-08-12 Tektronix Inc Device for measuring the current flowing through an electrical conductor
FR2538555A1 (en) * 1982-12-22 1984-06-29 Universal Technic ELECTRIC CURRENT MEASURING CLAMP WITH MAGNETIC CIRCUIT WITH SWIVEL CONNECTION
EP0112757A1 (en) * 1982-12-22 1984-07-04 Universal Technic Electro-magnetic clip-on current measuring device with pivoting arms
US4620151A (en) * 1982-12-22 1986-10-28 Universal Technic Electric current measuring tongs with magnetic circuit and pivoting arm
DE4331265C2 (en) * 1993-09-15 2001-03-29 Horstmann Gmbh Dipl Ing H Current transformers for electrical conductors
DE19962323A1 (en) * 1999-12-23 2001-07-19 Metrawatt Gmbh Gossen Electrical measurement device, e.g. current tong tester; has annular jaw head with at least one moving jaw element, where width with jaw element open is not greater than with jaw element closed
DE10131739B4 (en) * 2001-07-03 2009-04-16 Mbs Ag Power converter
GB2497428A (en) * 2011-12-06 2013-06-12 Isotera Ltd Two-part ferrite core power coupling and distribution arrangements
GB2497428B (en) * 2011-12-06 2014-09-24 Isotera Ltd A coupler for use in a power distribution system
US10002702B2 (en) 2011-12-06 2018-06-19 Greengage Lighting Limited Coupler for use in a power distribution system

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