SE521894C2 - Förfarande och utrustning för effektmätning i ett växelströmsystem - Google Patents
Förfarande och utrustning för effektmätning i ett växelströmsystemInfo
- Publication number
- SE521894C2 SE521894C2 SE0300391A SE0300391A SE521894C2 SE 521894 C2 SE521894 C2 SE 521894C2 SE 0300391 A SE0300391 A SE 0300391A SE 0300391 A SE0300391 A SE 0300391A SE 521894 C2 SE521894 C2 SE 521894C2
- Authority
- SE
- Sweden
- Prior art keywords
- current
- measurement signal
- voltage
- circuit
- signal
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 15
- 238000005259 measurement Methods 0.000 claims abstract description 32
- 230000010354 integration Effects 0.000 claims abstract description 13
- 230000006698 induction Effects 0.000 claims abstract description 5
- 238000004364 calculation method Methods 0.000 claims abstract 3
- 230000001052 transient effect Effects 0.000 claims abstract 3
- 238000012546 transfer Methods 0.000 description 5
- 239000004020 conductor Substances 0.000 description 4
- 230000001939 inductive effect Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R21/00—Arrangements for measuring electric power or power factor
- G01R21/06—Arrangements for measuring electric power or power factor by measuring current and voltage
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Current Or Voltage (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20001831A FI110964B (fi) | 2000-08-18 | 2000-08-18 | Menetelmä ja laitteisto tehon mittaamiseksi vaihtovirtajärjestelmässä |
PCT/FI2001/000722 WO2002014881A1 (en) | 2000-08-18 | 2001-08-15 | Method and equipment for power measurement in an alternating-current system |
Publications (3)
Publication Number | Publication Date |
---|---|
SE0300391L SE0300391L (sv) | 2003-02-14 |
SE0300391D0 SE0300391D0 (sv) | 2003-02-14 |
SE521894C2 true SE521894C2 (sv) | 2003-12-16 |
Family
ID=8558918
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE0300391A SE521894C2 (sv) | 2000-08-18 | 2003-02-14 | Förfarande och utrustning för effektmätning i ett växelströmsystem |
Country Status (5)
Country | Link |
---|---|
AU (1) | AU2001282197A1 (fi) |
DE (1) | DE10196481B4 (fi) |
FI (1) | FI110964B (fi) |
SE (1) | SE521894C2 (fi) |
WO (1) | WO2002014881A1 (fi) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103323712A (zh) * | 2013-06-09 | 2013-09-25 | 福州瑞芯微电子有限公司 | 电子设备功耗的测试方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4282576A (en) * | 1979-05-22 | 1981-08-04 | Westinghouse Electric Corp. | Indicator diagram based AC electric energy meter |
US4250552A (en) * | 1979-09-10 | 1981-02-10 | Westinghouse Electric Corp. | AC Electric energy meter utilizing a counter as an integrator |
US4459546A (en) * | 1980-11-03 | 1984-07-10 | Rockwell International Corporation | Electronic kilowatthour meter |
DE4400418A1 (de) * | 1993-01-14 | 1994-08-04 | Schlumberger Ind Inc | Luftgekoppelter Stromtransformator |
ATE204396T1 (de) * | 1993-01-20 | 2001-09-15 | Schlumberger Ind Sa | Mehrstufige frequenzmodulierte schaltung |
FI98865C (fi) * | 1994-11-07 | 1997-08-25 | Enermet Oy | Menetelmä vaihtovirran mittaamiseksi, vaihtovirran mittaamiseen tarkoitettu mittausanturi ja sen käyttö kWh-mittarissa |
FI108165B (fi) * | 2000-05-05 | 2001-11-30 | Enermet Oy | Virtamuunnin vaihtovirran mittaamiseksi |
-
2000
- 2000-08-18 FI FI20001831A patent/FI110964B/fi not_active IP Right Cessation
-
2001
- 2001-08-15 AU AU2001282197A patent/AU2001282197A1/en not_active Abandoned
- 2001-08-15 WO PCT/FI2001/000722 patent/WO2002014881A1/en active Application Filing
- 2001-08-15 DE DE10196481T patent/DE10196481B4/de not_active Expired - Fee Related
-
2003
- 2003-02-14 SE SE0300391A patent/SE521894C2/sv not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
AU2001282197A1 (en) | 2002-02-25 |
SE0300391L (sv) | 2003-02-14 |
DE10196481B4 (de) | 2006-01-05 |
SE0300391D0 (sv) | 2003-02-14 |
FI110964B (fi) | 2003-04-30 |
WO2002014881A9 (en) | 2002-12-12 |
FI20001831A (fi) | 2002-02-19 |
FI20001831A0 (fi) | 2000-08-18 |
DE10196481T1 (de) | 2003-07-03 |
WO2002014881A1 (en) | 2002-02-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |