AT226815B - Test device for determining the phase sequence with three-phase current - Google Patents

Test device for determining the phase sequence with three-phase current

Info

Publication number
AT226815B
AT226815B AT790760A AT790760A AT226815B AT 226815 B AT226815 B AT 226815B AT 790760 A AT790760 A AT 790760A AT 790760 A AT790760 A AT 790760A AT 226815 B AT226815 B AT 226815B
Authority
AT
Austria
Prior art keywords
phase
test device
determining
ohmic resistance
resistance
Prior art date
Application number
AT790760A
Other languages
German (de)
Inventor
Jaakko Sakari Vaakanainen
Original Assignee
Jaakko Sakari Vaakanainen
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 Jaakko Sakari Vaakanainen filed Critical Jaakko Sakari Vaakanainen
Application granted granted Critical
Publication of AT226815B publication Critical patent/AT226815B/en

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R25/00Arrangements for measuring phase angle between a voltage and a current or between voltages or currents
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R29/00Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
    • G01R29/18Indicating phase sequence; Indicating synchronism

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)

Description

  

   <Desc/Clms Page number 1> 
 



  Prüfgerät für die Ermittlung der Phasenfolge bei Drehstrom 
 EMI1.1 
 

 <Desc/Clms Page number 2> 

 das Prüfgerät mit allenKT ist in Form einer Hülse 5 auf dem Schaft 1 befestigt. Die Kontakthülse 5 (KT) ist über einen Widerstand G (RT) und einen Kondensator 7   (XT)   an die Glimmlampe 8 angeschlossen. Mittels der Feder 9 ist die Glimmlampe an den Erdungsknopf 4 angeschlossen. Die Feder 9 hält die losen Teile im Schaft zu-   sammen. Die Schraubenzieherspitze 2 ist über einen Widerstand 10 (RR) und eine Leitung 11 an die Glimmlampe 8 angeschlossen. Mittels der Klammer 12 wird das Gerät in der Tasche od. dgl. befestigt.   
 EMI2.1 
 
 EMI2.2 
 ten   unempfindlich.  



   <Desc / Clms Page number 1>
 



  Test device for determining the phase sequence with three-phase current
 EMI1.1
 

 <Desc / Clms Page number 2>

 the testing device with allenKT is attached to the shaft 1 in the form of a sleeve 5. The contact sleeve 5 (KT) is connected to the glow lamp 8 via a resistor G (RT) and a capacitor 7 (XT). The glow lamp is connected to the grounding button 4 by means of the spring 9. The spring 9 holds the loose parts in the shaft together. The screwdriver tip 2 is connected to the glow lamp 8 via a resistor 10 (RR) and a line 11. The device is fastened in the pocket or the like by means of the clamp 12.
 EMI2.1
 
 EMI2.2
 ten insensitive.

 

Claims (1)

PATENTANSPRUCH : Prüfgerätftir die Ermittlung der Phasenfolge bei Drehstrom mittels Phasenverschiebung, gekennzeichnet durch eine Phasenabzweigung mit einer ersten Kontaktstelle (KR) und einem ohmschen Widerstand (RR) sowie eine zweite Phasenabzweigung mit einer zweiten Kontaktstelle (KT) und in Serie geschaltetem ohmschen Widerstand (RT) und Kondensator (XT)'wobei der ohmsche Widerstand (RT) in der zweiten Phasenabzweigung gleich 0,5 mal dem ohmschen Widerstand (RR) in der ersten Phasenabzweigung ist und der kapazitive Widerstand des Kondensators (XT) gleich ist V3 mal dem Widerstand des ohmschen Wi- derstandes (RT) in der zweiten Phasenabzweigung und die Knotenverbindung der zwei Phasenabzweigungen über eine Glimmlampe (8) am Erdungsknopf (4) PATENT CLAIM: Test device for determining the phase sequence for three-phase current by means of phase shifting, characterized by a phase branch with a first contact point (KR) and an ohmic resistance (RR) and a second phase branch with a second contact point (KT) and ohmic resistance (RT) connected in series and capacitor (XT) 'where the ohmic resistance (RT) in the second phase branch is equal to 0.5 times the ohmic resistance (RR) in the first phase branch and the capacitive resistance of the capacitor (XT) is equal to V3 times the resistance of the ohmic Resistance (RT) in the second phase branch and the node connection of the two phase branches via a glow lamp (8) on the earthing button (4) des Handgriffes des Prüfgerätes angeschlossen ist. the handle of the test device is connected.
AT790760A 1959-10-29 1960-10-21 Test device for determining the phase sequence with three-phase current AT226815B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI226815X 1959-10-29

Publications (1)

Publication Number Publication Date
AT226815B true AT226815B (en) 1963-04-10

Family

ID=8556005

Family Applications (1)

Application Number Title Priority Date Filing Date
AT790760A AT226815B (en) 1959-10-29 1960-10-21 Test device for determining the phase sequence with three-phase current

Country Status (1)

Country Link
AT (1) AT226815B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4002603A1 (en) * 1990-01-30 1991-08-08 Benning Elektrotechnik Voltage tester with two test probes - has probes connected by single core cable and voltage measuring element and voltage indicator arranged in handles
DE4119894A1 (en) * 1991-06-17 1993-01-14 Hubertus Schauerte Two-pole voltage measuring device with two probes - has one probe mounted on separate holder and connected to measurement circuit housing e.g. via users body
DE10025276A1 (en) * 2000-05-22 2001-12-06 Siemens Ag Circuit for a switching path

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4002603A1 (en) * 1990-01-30 1991-08-08 Benning Elektrotechnik Voltage tester with two test probes - has probes connected by single core cable and voltage measuring element and voltage indicator arranged in handles
DE4119894A1 (en) * 1991-06-17 1993-01-14 Hubertus Schauerte Two-pole voltage measuring device with two probes - has one probe mounted on separate holder and connected to measurement circuit housing e.g. via users body
DE10025276A1 (en) * 2000-05-22 2001-12-06 Siemens Ag Circuit for a switching path

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