ES2129656T3 - Metodo y aparato para la aproximacion de corriente eficaz. - Google Patents
Metodo y aparato para la aproximacion de corriente eficaz.Info
- Publication number
- ES2129656T3 ES2129656T3 ES94922781T ES94922781T ES2129656T3 ES 2129656 T3 ES2129656 T3 ES 2129656T3 ES 94922781 T ES94922781 T ES 94922781T ES 94922781 T ES94922781 T ES 94922781T ES 2129656 T3 ES2129656 T3 ES 2129656T3
- Authority
- ES
- Spain
- Prior art keywords
- voltage
- circuit
- current
- wave form
- direct current
- 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 - Lifetime
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/02—Measuring effective values, i.e. root-mean-square values
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
- H02H3/093—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current with timing means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Current Or Voltage (AREA)
- Emergency Protection Circuit Devices (AREA)
- Control Of Direct Current Motors (AREA)
- Protection Of Generators And Motors (AREA)
- Inverter Devices (AREA)
Abstract
SE PRESENTA UN METODO Y UN APARATO QUE SUMINISTRA UNA TECNICA DE MEDIDA QUE APROXIMA LOS VALORES REALES RMS DE UNA FORMA DE ONDA DE UNA CORRIENTE. LA TECNICA COMPRENDE LA CONVERSION DE LA FORMA DE ONDA DE LA CORRIENTE EN UNA TENSION MEDIANTE RECTIFICACION Y LA DETERMINACION DEL VALOR PICO DEL VALOR MEDIO DE LA TENSION RESULTANTE. UN CIRCUITO SUMADOR (42) COMBINA LOS DOS VALORES EN UNA PROPORCION PREDETERMINADA PARA CREAR UNA TENSION DE CORRIENTE CONTINUA QUE ES APROXIMADAMENTE IGUAL AL VALOR RMS DE LAS CORRIENTES DE ENTRADA. LA SALIDA DE LA TENSION DE CORRIENTE CONTINUA ES ADECUADA PARA UNA AMPLIA GAMA DE APLICACIONES. UNA COMBINACION DEL CIRCUITO DE APROXIMACION (32) CON EL CIRCUITO DE INTEGRACION DE TIEMPO (44) Y UN CIRCUITO DE DETECCION DE NIVEL (46) PRODUCE UN RELE DE SOBRECARGA DE ESTADO SOLIDO DE BAJO COSTE EN UNA CONFORMACION PREFERIDA DE LA INVENCION. OTROS USOS INCLUYEN LA MEDICION Y EL USO COMO UNA SEÑAL DE CONTROL DE REALIMENTACION DE CORRIENTE PARA CONTROLAR INVERSIONES PWM Y SIMILARES.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/104,747 US5450268A (en) | 1993-08-11 | 1993-08-11 | Method and apparatus for RMS current approximation |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2129656T3 true ES2129656T3 (es) | 1999-06-16 |
Family
ID=22302156
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES94922781T Expired - Lifetime ES2129656T3 (es) | 1993-08-11 | 1994-08-03 | Metodo y aparato para la aproximacion de corriente eficaz. |
Country Status (7)
Country | Link |
---|---|
US (1) | US5450268A (es) |
EP (2) | EP0881732B1 (es) |
AU (2) | AU680285B2 (es) |
CA (1) | CA2168359C (es) |
DE (2) | DE69432057T2 (es) |
ES (1) | ES2129656T3 (es) |
WO (1) | WO1995005023A1 (es) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6360177B1 (en) * | 1992-11-10 | 2002-03-19 | Shenandoah Electronic Intelligence, Inc. | Voltage scanning, measurement, storage and reporting device |
US5815357A (en) * | 1997-04-09 | 1998-09-29 | Eaton Corporation | Method and apparatus for three-phase sensing using two current transformers |
JP4252117B2 (ja) | 1997-05-16 | 2009-04-08 | 株式会社デンソー | 放電灯装置 |
US5959818A (en) * | 1997-06-30 | 1999-09-28 | Eaton Corporation | Method and apparatus for self-powered three-phase sensing to determine true RMS current values with separate burdens for each current transformer |
US5777835A (en) * | 1997-06-30 | 1998-07-07 | Eaton Corporation | Third phase reconstruction from a two current transformer sensor with three-phase true RMS and phase loss determination capabilities |
US6555929B1 (en) | 2000-10-24 | 2003-04-29 | Kohler Co. | Method and apparatus for preventing excessive reaction to a load disturbance by a generator set |
US6351692B1 (en) | 2000-10-24 | 2002-02-26 | Kohler Co. | Method and apparatus for configuring a genset controller for operation with particular gensets |
US6700356B1 (en) | 2000-10-24 | 2004-03-02 | Kohler Co. | Method and apparatus for regulating the excitation of an alternator of a genset |
US6701221B1 (en) | 2000-10-24 | 2004-03-02 | Kohler Co. | Method and apparatus for preventing excessive heat generation in a alternator of a generator set |
EP1251355B1 (en) * | 2001-04-18 | 2007-12-05 | Gennum Corporation | Digital quasi-rms detector |
WO2003019994A1 (en) | 2001-08-27 | 2003-03-06 | Koninklijke Philips Electronics N.V. | Circuit arrangement |
AU2007216691A1 (en) * | 2006-09-11 | 2008-04-03 | Universidad Tecnica Federico Santa Maria | Intelligent monitoring system and method for mill drives in mineral grinding processes |
FR2938070B1 (fr) | 2008-11-06 | 2012-03-23 | Valeo Sys Controle Moteur Sas | Circuit de mesure du courant efficace d'un signal a controler |
US9747776B2 (en) | 2012-06-08 | 2017-08-29 | Neilsen-Kuljian, Inc. | Electrical sensor with configurable settings and a display |
US9664709B2 (en) | 2012-06-08 | 2017-05-30 | Neilsen-Kuljian, Inc. | Electrical sensor with configurable settings |
US9766273B2 (en) | 2012-08-21 | 2017-09-19 | Neilsen-Kuljian, Inc. | Self-powered current sensor with a linear adjustment |
US9956027B2 (en) * | 2014-06-11 | 2018-05-01 | Encision Inc. | Device and method for detecting faults in a shielded instrument |
CN105699738B (zh) * | 2016-03-07 | 2018-05-22 | 温州大学激光与光电智能制造研究院 | 一种基于pwm的交流信号有效值测量方法 |
CN105548667B (zh) * | 2016-03-07 | 2018-07-20 | 温州大学激光与光电智能制造研究院 | 一种交流信号有效值测量装置 |
DE102019121776A1 (de) * | 2019-08-13 | 2021-02-18 | Ebm-Papst Mulfingen Gmbh & Co. Kg | Schaltung und Verfahren zur Bestimmung des Effektivwertes des Phasenstroms eines Stromrichters |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3573604A (en) * | 1970-01-05 | 1971-04-06 | Collins Radio Co | Rms ac voltage regulator |
US3746970A (en) * | 1972-04-13 | 1973-07-17 | Ibm | Root mean square voltage regulator |
US4047235A (en) * | 1976-08-13 | 1977-09-06 | General Electric Company | Current limit and overcurrent cut off system |
US4345288A (en) * | 1981-05-04 | 1982-08-17 | Square D Company | Solid state over-current protective apparatus for a power circuit |
US4513342A (en) * | 1983-01-31 | 1985-04-23 | General Electric Company | Current-squared-time (i2 t) protection system |
US4658323A (en) * | 1985-06-10 | 1987-04-14 | General Electric Company | RMS calculation circuit for digital circuit interrupters |
JPH0714249B2 (ja) * | 1987-06-23 | 1995-02-15 | 三菱電機株式会社 | 回路しゃ断器 |
JPH0714250B2 (ja) * | 1987-07-07 | 1995-02-15 | 三菱電機株式会社 | 回路しや断器 |
US5220478A (en) * | 1991-04-18 | 1993-06-15 | Westinghouse Electric Corp. | Apparatus for displaying thermal condition of motor controller |
-
1993
- 1993-08-11 US US08/104,747 patent/US5450268A/en not_active Expired - Lifetime
-
1994
- 1994-08-03 EP EP98112959A patent/EP0881732B1/en not_active Expired - Lifetime
- 1994-08-03 WO PCT/US1994/008751 patent/WO1995005023A1/en active IP Right Grant
- 1994-08-03 ES ES94922781T patent/ES2129656T3/es not_active Expired - Lifetime
- 1994-08-03 AU AU73765/94A patent/AU680285B2/en not_active Ceased
- 1994-08-03 DE DE69432057T patent/DE69432057T2/de not_active Expired - Fee Related
- 1994-08-03 DE DE69416874T patent/DE69416874T2/de not_active Expired - Fee Related
- 1994-08-03 CA CA002168359A patent/CA2168359C/en not_active Expired - Fee Related
- 1994-08-03 EP EP94922781A patent/EP0746890B1/en not_active Expired - Lifetime
-
1997
- 1997-04-29 AU AU19149/97A patent/AU1914997A/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
DE69416874T2 (de) | 1999-07-29 |
AU680285B2 (en) | 1997-07-24 |
CA2168359C (en) | 1998-06-16 |
AU7376594A (en) | 1995-02-28 |
EP0881732A2 (en) | 1998-12-02 |
DE69432057T2 (de) | 2003-10-30 |
DE69416874D1 (de) | 1999-04-08 |
EP0746890A1 (en) | 1996-12-11 |
EP0881732A3 (en) | 1999-04-21 |
EP0746890B1 (en) | 1999-03-03 |
CA2168359A1 (en) | 1995-02-16 |
US5450268A (en) | 1995-09-12 |
EP0881732B1 (en) | 2003-01-22 |
DE69432057D1 (de) | 2003-02-27 |
EP0746890A4 (en) | 1997-06-25 |
WO1995005023A1 (en) | 1995-02-16 |
AU1914997A (en) | 1997-06-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ES2129656T3 (es) | Metodo y aparato para la aproximacion de corriente eficaz. | |
FI906143A (fi) | Anordning foer faststaellande av vaerden foer elektriska storheter som kan avdelas fraon maetvaerdena foer minst tvao elektriska ingaongsstorheter. | |
DE3880706D1 (de) | Schaltungsanordnung zur stromversorgung einer vielzahl von verbrauchern. | |
ES2049041T3 (es) | Fuente de alimentacion de conexion. | |
FI97176C (fi) | Puolijohdekytkimen ohjauspiiri | |
DE60239275D1 (de) | Wechselrichter | |
YU47309B (sh) | Uredjaj za pretvaranje električnog signala u proporcionalnu frekvenciju | |
MX172816B (es) | Circuito interruptor de proximidad de corriente alterna, de baja dispersion | |
KR890013684A (ko) | 회로차단기 | |
KR890009052A (ko) | 전력변환장치의 제어회로 | |
RU2001118345A (ru) | Стенд для изучения основ электротехники | |
SE0200546D0 (sv) | Device for a battery charger | |
ATE109319T1 (de) | Vorrichtung zur stufenlosen steuerung elektrischer verbraucher nach dem phasenanschnittprinzip, insbesondere helligkeitsregler und verwendung einer solchen vorrichtung. | |
DE58907762D1 (de) | Elektronisches Mehrbereichsmessgerät. | |
CN219960404U (zh) | 一种变频器控制板便携式调试装置 | |
FR2314502A1 (fr) | Dispositif de mesure de fuites electriques | |
RU2005110191A (ru) | Рентгеновская аппаратура | |
SU862128A1 (ru) | Стабилизатор напр жени посто нного тока | |
ES2029893T3 (es) | Dispositivo de comprobacion en corriente continua de la impedancia de por lo menos una linea de potencia. | |
RU97103830A (ru) | Усилитель мощности радиопередатчика | |
ES2109847B1 (es) | Modulo de estabilizacion estatico de tension con dispositivo de limitacion de la intensidad de alimentacion a equipos de alumbrado. | |
SU983677A1 (ru) | Источник опорного напр жени | |
SU773535A1 (ru) | Устройство дл измерени рассто ни до места короткого замыкани в электрической сети | |
SU1396223A1 (ru) | Устройство дл измерени частоты напр жени переменного тока | |
SU1404959A2 (ru) | Устройство дл измерени высоких напр жений |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
Ref document number: 746890 Country of ref document: ES |