GB1226697A - - Google Patents

Info

Publication number
GB1226697A
GB1226697A GB1226697DA GB1226697A GB 1226697 A GB1226697 A GB 1226697A GB 1226697D A GB1226697D A GB 1226697DA GB 1226697 A GB1226697 A GB 1226697A
Authority
GB
United Kingdom
Prior art keywords
current
switch
network
selector switch
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.)
Expired
Application number
Other languages
English (en)
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 filed Critical
Publication of GB1226697A publication Critical patent/GB1226697A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R21/00—Arrangements for measuring electric power or power factor
    • G01R21/127—Arrangements for measuring electric power or power factor by using pulse modulation
    • 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
    • G06G7/16—Arrangements for performing computing operations, e.g. operational amplifiers for multiplication or division
    • G06G7/161—Arrangements for performing computing operations, e.g. operational amplifiers for multiplication or division with pulse modulation, e.g. modulation of amplitude, width, frequency, phase or form
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06J—HYBRID COMPUTING ARRANGEMENTS
    • G06J1/00—Hybrid computing arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Power Engineering (AREA)
  • Computer Hardware Design (AREA)
  • Software Systems (AREA)
  • Automation & Control Theory (AREA)
  • Evolutionary Computation (AREA)
  • Fuzzy Systems (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Amplifiers (AREA)
  • Load-Engaging Elements For Cranes (AREA)
GB1226697D 1968-10-18 1969-10-13 Expired GB1226697A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1560168A CH472677A (de) 1968-10-18 1968-10-18 Schaltungsanordnung zur Messung elektrischer Energie

Publications (1)

Publication Number Publication Date
GB1226697A true GB1226697A (enrdf_load_stackoverflow) 1971-03-31

Family

ID=4410447

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1226697D Expired GB1226697A (enrdf_load_stackoverflow) 1968-10-18 1969-10-13

Country Status (11)

Country Link
JP (1) JPS4922159B1 (enrdf_load_stackoverflow)
AT (1) AT287842B (enrdf_load_stackoverflow)
BE (1) BE734752A (enrdf_load_stackoverflow)
CH (1) CH472677A (enrdf_load_stackoverflow)
DE (1) DE1807581C3 (enrdf_load_stackoverflow)
DK (1) DK134205B (enrdf_load_stackoverflow)
FR (1) FR2020958A1 (enrdf_load_stackoverflow)
GB (1) GB1226697A (enrdf_load_stackoverflow)
NL (1) NL153671B (enrdf_load_stackoverflow)
NO (1) NO125511B (enrdf_load_stackoverflow)
SE (1) SE339961B (enrdf_load_stackoverflow)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH462953A (de) * 1967-09-14 1968-09-30 Landis & Gyr Ag Elektronische Leistungsmesseinrichtung
US3942110A (en) * 1974-05-08 1976-03-02 General Electric Company Analog to pulse rate converter
US3947763A (en) * 1974-05-30 1976-03-30 General Electric Company C-MOS electronic kWh meter and method for metering electrical energy
US3955138A (en) * 1974-11-06 1976-05-04 General Electric Company Electronic energy consumption meter with input transformer having single resistance terminated secondary winding coupled to C-MOS switches driven by pulse width modulated control signals
JPS5360675A (en) * 1976-11-12 1978-05-31 Yokogawa Hokushin Electric Corp Converter for power and dc signal
JPS53113250U (enrdf_load_stackoverflow) * 1977-02-16 1978-09-09
JPS53138658U (enrdf_load_stackoverflow) * 1977-04-08 1978-11-02
US4096436A (en) * 1977-05-23 1978-06-20 The Valeron Corporation Power monitor
DE2747385C2 (de) * 1977-10-21 1983-12-29 Siemens AG, 1000 Berlin und 8000 München Elektronischer Wechselstromzähler
US4147978A (en) * 1977-12-19 1979-04-03 Dupont Energy Management Corporation System for monitoring electrical energy consumption
JPS581388B2 (ja) * 1978-07-06 1983-01-11 株式会社東芝 電力量計
JPS571972A (en) * 1980-06-04 1982-01-07 Toshiba Corp Electronic type electric energy meter
AT392177B (de) * 1984-05-04 1991-02-11 Siemens Ag Vorrichtung zur erfassung der momentanleistung an einer phase eines wechselrichters mit vorgegebener eingangsgleichspannung, insbesondere eines pulswechselrichters
CH680620A5 (enrdf_load_stackoverflow) * 1989-03-31 1992-09-30 Landis & Gyr Betriebs Ag
DE29511680U1 (de) * 1995-07-19 1996-11-21 Niggemeyer, Gert Günther, 21244 Buchholz Multiplikationsschaltung

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2919408A (en) * 1957-08-23 1959-12-29 Harold J Brown Electronic watthour meter

Also Published As

Publication number Publication date
SE339961B (enrdf_load_stackoverflow) 1971-11-01
NL153671B (nl) 1977-06-15
DK134205C (enrdf_load_stackoverflow) 1977-02-28
DE1807581C3 (de) 1973-07-05
FR2020958A1 (enrdf_load_stackoverflow) 1970-07-17
BE734752A (enrdf_load_stackoverflow) 1969-12-01
DK134205B (da) 1976-09-27
JPS4922159B1 (enrdf_load_stackoverflow) 1974-06-06
NL6911128A (enrdf_load_stackoverflow) 1970-04-21
CH472677A (de) 1969-05-15
AT287842B (de) 1971-02-10
DE1807581A1 (de) 1970-05-14
NO125511B (enrdf_load_stackoverflow) 1972-09-18
DE1807581B2 (de) 1971-04-08

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Legal Events

Date Code Title Description
PS Patent sealed
PE20 Patent expired after termination of 20 years