IT980260B - Apparecchiatura per determinare la potenza di correnti elettriche alternate - Google Patents

Apparecchiatura per determinare la potenza di correnti elettriche alternate

Info

Publication number
IT980260B
IT980260B IT4951273A IT4951273A IT980260B IT 980260 B IT980260 B IT 980260B IT 4951273 A IT4951273 A IT 4951273A IT 4951273 A IT4951273 A IT 4951273A IT 980260 B IT980260 B IT 980260B
Authority
IT
Italy
Prior art keywords
determining
equipment
power
electrical currents
alternating electrical
Prior art date
Application number
IT4951273A
Other languages
English (en)
Italian (it)
Original Assignee
Messer Griesheim Gmbh
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 Messer Griesheim Gmbh filed Critical Messer Griesheim Gmbh
Application granted granted Critical
Publication of IT980260B publication Critical patent/IT980260B/it

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R21/00—Arrangements for measuring electric power or power factor
    • G01R21/133—Arrangements for measuring electric power or power factor by using digital technique
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K11/00—Resistance welding; Severing by resistance heating
    • B23K11/24—Electric supply or control circuits therefor
    • B23K11/25—Monitoring devices
    • B23K11/252—Monitoring devices using digital means
    • B23K11/256—Monitoring devices using digital means the measured parameter being the inter-electrode electrical resistance
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Arc Welding Control (AREA)
  • Measurement Of Current Or Voltage (AREA)
IT4951273A 1972-04-20 1973-04-18 Apparecchiatura per determinare la potenza di correnti elettriche alternate IT980260B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722219229 DE2219229A1 (de) 1972-04-20 1972-04-20 Verfahren und vorrichtung zur bestimmung der leistung von wechselstroemen

Publications (1)

Publication Number Publication Date
IT980260B true IT980260B (it) 1974-09-30

Family

ID=5842620

Family Applications (1)

Application Number Title Priority Date Filing Date
IT4951273A IT980260B (it) 1972-04-20 1973-04-18 Apparecchiatura per determinare la potenza di correnti elettriche alternate

Country Status (6)

Country Link
CH (1) CH560905A5 (xx)
DE (1) DE2219229A1 (xx)
FR (1) FR2180726B1 (xx)
GB (1) GB1412695A (xx)
IT (1) IT980260B (xx)
NL (1) NL7304323A (xx)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2436671C2 (de) * 1974-07-30 1982-04-15 Messer Griesheim Gmbh, 6000 Frankfurt Verfahren zur Regelung der elektrischen Energie beim elektrischen Widerstandpunktschweißen
US4084075A (en) * 1975-05-15 1978-04-11 Wean United Inc. Energy monitor for flash welders
DE2800962C3 (de) * 1978-01-11 1986-02-13 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Verfahren zur Steuerung einer elektrischen Widerstands-Schweißvorrichtung

Also Published As

Publication number Publication date
NL7304323A (xx) 1973-10-23
FR2180726A1 (xx) 1973-11-30
DE2219229A1 (de) 1973-10-31
CH560905A5 (xx) 1975-04-15
FR2180726B1 (xx) 1977-02-04
GB1412695A (en) 1975-11-05

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