FI117145B - Mätningsförfarande och -arrangemang - Google Patents

Mätningsförfarande och -arrangemang Download PDF

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Publication number
FI117145B
FI117145B FI20041521A FI20041521A FI117145B FI 117145 B FI117145 B FI 117145B FI 20041521 A FI20041521 A FI 20041521A FI 20041521 A FI20041521 A FI 20041521A FI 117145 B FI117145 B FI 117145B
Authority
FI
Finland
Prior art keywords
summed
power converter
soon
data
current
Prior art date
Application number
FI20041521A
Other languages
English (en)
Finnish (fi)
Other versions
FI20041521A0 (sv
FI20041521A (sv
Inventor
Risto Komulainen
Stefan Strandberg
Jorma Vesti
Original Assignee
Vacon Oyj
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 Vacon Oyj filed Critical Vacon Oyj
Priority to FI20041521A priority Critical patent/FI117145B/sv
Publication of FI20041521A0 publication Critical patent/FI20041521A0/sv
Priority to DK05077624T priority patent/DK1662651T3/da
Priority to EP05077624A priority patent/EP1662651B1/en
Priority to AT05077624T priority patent/ATE411639T1/de
Priority to DE602005010372T priority patent/DE602005010372D1/de
Priority to US11/284,891 priority patent/US7275021B2/en
Publication of FI20041521A publication Critical patent/FI20041521A/sv
Application granted granted Critical
Publication of FI117145B publication Critical patent/FI117145B/sv

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/42Conversion of dc power input into ac power output without possibility of reversal
    • H02M7/44Conversion of dc power input into ac power output without possibility of reversal by static converters
    • H02M7/48Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M7/493Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode the static converters being arranged for operation in parallel
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00Details of apparatus for conversion
    • H02M1/0003Details of control, feedback or regulation circuits
    • H02M1/0009Devices or circuits for detecting current in a converter

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Inverter Devices (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Paper (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Absorbent Articles And Supports Therefor (AREA)

Claims (7)

1. Förfarande för mätning av en storhet, säsom Ström, parallellkopplade effektomvandlarenheter (FC1-FC3) bildat effekt s aggregat, i vilket förfarande, varje effektomvandlarenhets delstorhet, säsom delströmmen, mäts, delstorheterna sänds digitalt tili styrenheten (CU) i seriell form, och delstorheterna summeras tili en summastorhet, kännetecknat av, att i förfarandet: ίο delstorhetsdata sänds tili styrenheten med den minst signifikanta (LSB), summeringen börjar genast när delstorheternas LSB mottagits, summans LSB sänds vidare genast när delstorheternas LSB sumrr härefter summeras de övriga bitarna i den ordning de kommer ir is mest signifikanta biten sist (MSB), och deras summeringsdata sänds vidare i den ordning de kommer in delstorheternas motsvarande bitar har summerats.
2. Förfarande enligt patentkrav 1, kännetecknat av, att omvandU 20 sänder data som skall summeras skalerade sä att alla värden f förtecken exempelvis genom att 50 % av mätomrädet läggs tili d värdena alltid är positiva. « I · « ·· # · : 3. Förfarande enligt patentkrav 1, kännetecknat av, att när kontroll
25 CRC, för de av omvandlarenheterna sända meddelandena kontralle CRC för summameddelandet slutligen vidare. *·«· « · · ♦ · 9 9
4. System för mätning av strömmen i ett av parall . . effektomvandlarenheter (FC1-FC3) bildat effektomvandlaraggregat :·: : 30 omvandlarenhet omfattar • » · 7 11 delstorhetsdata sands till styrenheten med den minst signifikanta (LSB), summeringen börjar genast när delstorheternas LSB mottagits, summastorhetens LSB sands vidare genast när delstorhete 5 summerats, härefter summeras de ovriga bitarna i den ordning de kommer in mest signifikanta biten sist (MSB), och deras summeringsdata sands vidare i den ordning de kommer in delstorheternas motsvarande bitar har summerats. 10
5. System enligt patentkrav 4, kännetecknat av, att det omfattar skalei varvid omvandlarenheterna sänder data som skall summeras skaler alla värden har samma förtecken exempelvis genom att 50 % av n läggs till dem, varvid värdena alltid är positiva. 15
6. System enligt patentkrav 4, kännetecknat av, att effektomvandlai är ett frekvensomriktaraggregat innefattande frekvensomriktarenheter.
7. System enligt patentkrav 4, kännetecknat av, att effektomvandlar 20 är ett inverteraggregat innefattande inverterenheter. • 1 2 3 * « • · 1 • ·» • · * · · « · · **· t • ♦ ··· • •I • « « · » · » 2 • 1 · 3 ·
FI20041521A 2004-11-26 2004-11-26 Mätningsförfarande och -arrangemang FI117145B (sv)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FI20041521A FI117145B (sv) 2004-11-26 2004-11-26 Mätningsförfarande och -arrangemang
DK05077624T DK1662651T3 (da) 2004-11-26 2005-11-17 Fremgangsmåde og apparat til måling
EP05077624A EP1662651B1 (en) 2004-11-26 2005-11-17 Measuring method and arrangement
AT05077624T ATE411639T1 (de) 2004-11-26 2005-11-17 Messverfahren und vorrichtung
DE602005010372T DE602005010372D1 (de) 2004-11-26 2005-11-17 Messverfahren und Vorrichtung
US11/284,891 US7275021B2 (en) 2004-11-26 2005-11-23 Measuring method and arrangement

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20041521A FI117145B (sv) 2004-11-26 2004-11-26 Mätningsförfarande och -arrangemang
FI20041521 2004-11-26

Publications (3)

Publication Number Publication Date
FI20041521A0 FI20041521A0 (sv) 2004-11-26
FI20041521A FI20041521A (sv) 2006-05-27
FI117145B true FI117145B (sv) 2006-06-30

Family

ID=33515273

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20041521A FI117145B (sv) 2004-11-26 2004-11-26 Mätningsförfarande och -arrangemang

Country Status (6)

Country Link
US (1) US7275021B2 (sv)
EP (1) EP1662651B1 (sv)
AT (1) ATE411639T1 (sv)
DE (1) DE602005010372D1 (sv)
DK (1) DK1662651T3 (sv)
FI (1) FI117145B (sv)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102565673B (zh) * 2011-12-18 2014-05-28 西安航天精密机电研究所 基于fpga的高可靠脉冲计数测试系统
US9672185B2 (en) * 2013-09-27 2017-06-06 International Business Machines Corporation Method and system for enumerating digital circuits in a system-on-a-chip (SOC)
CN108476153B (zh) * 2016-01-15 2021-02-19 东芝三菱电机产业系统株式会社 控制系统

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5950773A (ja) 1982-09-17 1984-03-23 Fanuc Ltd 位相出力のチエツク回路
JPS59224571A (ja) 1983-06-03 1984-12-17 Mitsubishi Electric Corp 直流値検出方法
JPS6110984A (ja) 1984-06-27 1986-01-18 Fuji Electric Co Ltd 電流ベクトル位相検出装置
JP2654697B2 (ja) * 1989-09-22 1997-09-17 株式会社日立製作所 計測制御システム
DE19620442A1 (de) * 1996-05-21 1997-11-27 Siemens Ag Unrichtersystem
FR2753318B1 (fr) 1996-09-09 1998-10-30 Schneider Electric Sa Dispositif de mesure de courants dans un onduleur
FR2830138B1 (fr) 2001-09-24 2003-10-31 Schneider Toshiba Inverter Systeme de mesure des courants moteur dans un onduleur de variateur de vitesse
DE10205832A1 (de) * 2002-02-13 2003-08-28 Semikron Elektronik Gmbh Ansteuerung für Stromrichterventile
US6891355B2 (en) * 2002-11-14 2005-05-10 Fyre Storm, Inc. Method for computing an amount of energy taken from a battery
DE10308654B4 (de) * 2003-02-27 2014-02-13 Siemens Aktiengesellschaft Datenübertragungssystem zur Verbindung einer Steuerung mit Antrieben
US8650304B2 (en) * 2004-06-04 2014-02-11 Qualcomm Incorporated Determining a pre skew and post skew calibration data rate in a mobile display digital interface (MDDI) communication system

Also Published As

Publication number Publication date
FI20041521A0 (sv) 2004-11-26
FI20041521A (sv) 2006-05-27
US20060116831A1 (en) 2006-06-01
DK1662651T3 (da) 2009-02-02
EP1662651A2 (en) 2006-05-31
EP1662651A3 (en) 2006-11-02
ATE411639T1 (de) 2008-10-15
US7275021B2 (en) 2007-09-25
EP1662651B1 (en) 2008-10-15
DE602005010372D1 (de) 2008-11-27

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