CA1096942A - Power monitor - Google Patents
Power monitorInfo
- Publication number
- CA1096942A CA1096942A CA303,787A CA303787A CA1096942A CA 1096942 A CA1096942 A CA 1096942A CA 303787 A CA303787 A CA 303787A CA 1096942 A CA1096942 A CA 1096942A
- Authority
- CA
- Canada
- Prior art keywords
- load
- signal
- operative
- isolation
- voltage
- 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
Links
- 238000002955 isolation Methods 0.000 claims abstract description 49
- 238000000034 method Methods 0.000 claims abstract description 10
- 239000000047 product Substances 0.000 claims description 24
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 abstract description 3
- 239000003990 capacitor Substances 0.000 description 16
- 238000007667 floating Methods 0.000 description 16
- 229920006227 ethylene-grafted-maleic anhydride Polymers 0.000 description 12
- 230000001360 synchronised effect Effects 0.000 description 10
- 238000004804 winding Methods 0.000 description 8
- 230000008901 benefit Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000004044 response Effects 0.000 description 4
- 230000005355 Hall effect Effects 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 229940000425 combination drug Drugs 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005669 field effect Effects 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 125000003345 AMP group Chemical group 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- BNPSSFBOAGDEEL-UHFFFAOYSA-N albuterol sulfate Chemical compound OS(O)(=O)=O.CC(C)(C)NCC(O)C1=CC=C(O)C(CO)=C1.CC(C)(C)NCC(O)C1=CC=C(O)C(CO)=C1 BNPSSFBOAGDEEL-UHFFFAOYSA-N 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- QHGVXILFMXYDRS-UHFFFAOYSA-N pyraclofos Chemical compound C1=C(OP(=O)(OCC)SCCC)C=NN1C1=CC=C(Cl)C=C1 QHGVXILFMXYDRS-UHFFFAOYSA-N 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization 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
- G01R21/133—Arrangements for measuring electric power or power factor by using digital technique
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R21/00—Arrangements for measuring electric power or power factor
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Current Or Voltage (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Control Of Electric Motors In General (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US799,375 | 1977-05-23 | ||
| US05/799,375 US4096436A (en) | 1977-05-23 | 1977-05-23 | Power monitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1096942A true CA1096942A (en) | 1981-03-03 |
Family
ID=25175740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA303,787A Expired CA1096942A (en) | 1977-05-23 | 1978-05-19 | Power monitor |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4096436A (en, 2012) |
| JP (1) | JPS53145682A (en, 2012) |
| CA (1) | CA1096942A (en, 2012) |
| DE (1) | DE2822484C3 (en, 2012) |
| FR (1) | FR2392390A1 (en, 2012) |
| GB (1) | GB1604199A (en, 2012) |
Families Citing this family (58)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2939354A1 (de) * | 1979-09-28 | 1981-04-16 | Ruhrkohle Ag, 4300 Essen | Anordnung zur erfassung von betriebsdaten, insbesondere des ofenganges von koksofenbatterien |
| US4360879A (en) * | 1980-08-28 | 1982-11-23 | The Valeron Corporation | Power measuring device |
| US4382308A (en) * | 1981-02-18 | 1983-05-10 | Chemcut Corporation | Scrubbing torque monitoring and control system |
| US4509126A (en) * | 1982-06-09 | 1985-04-02 | Amca International Corporation | Adaptive control for machine tools |
| DE3514371A1 (de) * | 1985-05-28 | 1986-10-23 | Mitsubishi Denki K.K., Tokio/Tokyo | Elektronischer energiezaehler fuer elektrische energie |
| US4839819A (en) * | 1986-08-14 | 1989-06-13 | Cte Valeron Corporation | Intelligent power monitor |
| GB8624926D0 (en) * | 1986-10-17 | 1986-11-19 | Gen Electric Co Plc | Electric power measuring devices |
| US4801874A (en) * | 1987-02-27 | 1989-01-31 | Process Systems, Inc. | Method and apparatus for measuring electricity |
| CH674773A5 (en, 2012) * | 1987-10-12 | 1990-07-13 | Sprecher & Schuh Ag | |
| US5457621A (en) * | 1992-02-21 | 1995-10-10 | Abb Power T&D Company Inc. | Switching power supply having voltage blocking clamp |
| US5537029A (en) | 1992-02-21 | 1996-07-16 | Abb Power T&D Company Inc. | Method and apparatus for electronic meter testing |
| US5502374A (en) * | 1994-09-02 | 1996-03-26 | Veris Industries, Inc. | Current sensors |
| WO1998018013A2 (en) | 1996-10-22 | 1998-04-30 | Abb Power T & D Company Inc. | Energy meter with power quality monitoring and diagnostic systems |
| US5869960A (en) * | 1996-12-19 | 1999-02-09 | Brand; Ethan | Digital power consumption meter for displaying instantaneous and consumed electric power of an electrical device |
| DE19713120C1 (de) * | 1997-03-27 | 1998-10-29 | Siemens Ag | Elektrizitätszähler |
| FR2790095B1 (fr) * | 1999-02-18 | 2001-04-06 | Siemens Automotive Sa | Dispositif de mesure de courant et procede correspondant |
| US6445171B2 (en) * | 1999-10-29 | 2002-09-03 | Honeywell Inc. | Closed-loop magnetoresistive current sensor system having active offset nulling |
| RU2167427C1 (ru) * | 2000-03-24 | 2001-05-20 | Общество с ограниченной ответственностью "ЭНЭЛЭКО-А" | Электронный счетчик электрической энергии |
| US7355867B2 (en) | 2004-08-17 | 2008-04-08 | Elster Electricity, Llc | Power supply for an electric meter having a high-voltage regulator that limits the voltage applied to certain components below the normal operating input voltage |
| CN100419436C (zh) * | 2005-06-30 | 2008-09-17 | 哈尔滨今日电子有限公司 | 一种四象限功率测量方法 |
| US8619443B2 (en) | 2010-09-29 | 2013-12-31 | The Powerwise Group, Inc. | System and method to boost voltage |
| US8085009B2 (en) | 2007-08-13 | 2011-12-27 | The Powerwise Group, Inc. | IGBT/FET-based energy savings device for reducing a predetermined amount of voltage using pulse width modulation |
| US8120307B2 (en) | 2007-08-24 | 2012-02-21 | The Powerwise Group, Inc. | System and method for providing constant loading in AC power applications |
| US8085010B2 (en) | 2007-08-24 | 2011-12-27 | The Powerwise Group, Inc. | TRIAC/SCR-based energy savings device for reducing a predetermined amount of voltage using pulse width modulation |
| CA2609619A1 (en) | 2007-09-10 | 2009-03-10 | Veris Industries, Llc | Status indicator |
| CA2609611A1 (en) | 2007-09-10 | 2009-03-10 | Veris Industries, Llc | Split core status indicator |
| CA2609629A1 (en) | 2007-09-10 | 2009-03-10 | Veris Industries, Llc | Current switch with automatic calibration |
| US8698447B2 (en) | 2007-09-14 | 2014-04-15 | The Powerwise Group, Inc. | Energy saving system and method for devices with rotating or reciprocating masses |
| US8810190B2 (en) | 2007-09-14 | 2014-08-19 | The Powerwise Group, Inc. | Motor controller system and method for maximizing energy savings |
| US7746057B2 (en) * | 2008-03-28 | 2010-06-29 | Cirrus Logic, Inc. | Power meter having complex quadrature output current and voltage filters |
| US8212548B2 (en) | 2008-06-02 | 2012-07-03 | Veris Industries, Llc | Branch meter with configurable sensor strip arrangement |
| US8004255B2 (en) * | 2008-08-07 | 2011-08-23 | The Powerwise Group, Inc. | Power supply for IGBT/FET drivers |
| US8421639B2 (en) | 2008-11-21 | 2013-04-16 | Veris Industries, Llc | Branch current monitor with an alarm |
| US8421443B2 (en) | 2008-11-21 | 2013-04-16 | Veris Industries, Llc | Branch current monitor with calibration |
| US9335352B2 (en) | 2009-03-13 | 2016-05-10 | Veris Industries, Llc | Branch circuit monitor power measurement |
| US8294453B2 (en) * | 2009-05-21 | 2012-10-23 | Veris Industries, Llc | Externally reporting branch power monitoring system |
| EA021950B1 (ru) | 2009-09-08 | 2015-10-30 | Дзе Пауэрвайз Груп, Инк. | Система и способ сбережения энергии для устройств с вращающимися или выполняющими возвратно-поступательное движение массами |
| US8698446B2 (en) | 2009-09-08 | 2014-04-15 | The Powerwise Group, Inc. | Method to save energy for devices with rotating or reciprocating masses |
| US9146264B2 (en) | 2011-02-25 | 2015-09-29 | Veris Industries, Llc | Current meter with on board memory |
| US10006948B2 (en) | 2011-02-25 | 2018-06-26 | Veris Industries, Llc | Current meter with voltage awareness |
| US9329996B2 (en) | 2011-04-27 | 2016-05-03 | Veris Industries, Llc | Branch circuit monitor with paging register |
| US9250308B2 (en) | 2011-06-03 | 2016-02-02 | Veris Industries, Llc | Simplified energy meter configuration |
| US9410552B2 (en) | 2011-10-05 | 2016-08-09 | Veris Industries, Llc | Current switch with automatic calibration |
| WO2014147436A1 (en) * | 2013-03-21 | 2014-09-25 | Freescale Semiconductor, Inc. | Apparatus and method for monitoring electrical current |
| US9424975B2 (en) | 2013-08-23 | 2016-08-23 | Veris Industries, Llc | Split core transformer with self-aligning cores |
| US20150091523A1 (en) * | 2013-10-02 | 2015-04-02 | Mediatek Singapore Pte. Ltd. | Wireless charger system that has variable power / adaptive load modulation |
| US9588148B2 (en) | 2014-01-23 | 2017-03-07 | Veris Industries, Llc | Input circuit for current transformer |
| US9607749B2 (en) | 2014-01-23 | 2017-03-28 | Veris Industries, Llc | Split core current transformer |
| WO2016190860A1 (en) | 2015-05-27 | 2016-12-01 | Hewlett-Packard Development Company, L.P. | Recovering independent waveforms from input bitstream data |
| US10371730B2 (en) | 2015-12-28 | 2019-08-06 | Veris Industries, Llc | Branch current monitor with client level access |
| US10274572B2 (en) | 2015-12-28 | 2019-04-30 | Veris Industries, Llc | Calibration system for a power meter |
| US10371721B2 (en) | 2015-12-28 | 2019-08-06 | Veris Industries, Llc | Configuration system for a power meter |
| US10408911B2 (en) | 2015-12-28 | 2019-09-10 | Veris Industries, Llc | Network configurable system for a power meter |
| US11215650B2 (en) | 2017-02-28 | 2022-01-04 | Veris Industries, Llc | Phase aligned branch energy meter |
| US11193958B2 (en) | 2017-03-03 | 2021-12-07 | Veris Industries, Llc | Non-contact voltage sensor |
| US10705126B2 (en) | 2017-05-19 | 2020-07-07 | Veris Industries, Llc | Energy metering with temperature monitoring |
| US10401400B2 (en) | 2017-07-31 | 2019-09-03 | Landis+Gyr Llc | Load-side sense with floating ground reference |
| CA3026918C (en) | 2017-12-14 | 2023-08-01 | Veris Industries, Llc | Energy metering for a building |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH472677A (de) * | 1968-10-18 | 1969-05-15 | Landis & Gyr Ag | Schaltungsanordnung zur Messung elektrischer Energie |
| US3760273A (en) * | 1971-06-24 | 1973-09-18 | Mc Culloch Corp | Electronic watt hour meter |
| DE2348667B2 (de) * | 1973-09-27 | 1975-08-14 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Elektronischer kWh-Zähler |
| US3934198A (en) * | 1974-11-06 | 1976-01-20 | General Electric Company | Multi-wire electronic kWh meter |
| 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 |
| US3976942A (en) * | 1974-12-13 | 1976-08-24 | Esterline Corporation | Watt/watt hour transducer having current signals and a modulator therefor |
-
1977
- 1977-05-23 US US05/799,375 patent/US4096436A/en not_active Expired - Lifetime
-
1978
- 1978-05-17 GB GB20102/78A patent/GB1604199A/en not_active Expired
- 1978-05-19 CA CA303,787A patent/CA1096942A/en not_active Expired
- 1978-05-22 FR FR7815130A patent/FR2392390A1/fr active Granted
- 1978-05-22 JP JP6159378A patent/JPS53145682A/ja active Granted
- 1978-05-23 DE DE2822484A patent/DE2822484C3/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2822484C3 (de) | 1981-02-19 |
| US4096436A (en) | 1978-06-20 |
| DE2822484B2 (de) | 1980-05-14 |
| GB1604199A (en) | 1981-12-02 |
| JPS53145682A (en) | 1978-12-19 |
| FR2392390B1 (en, 2012) | 1983-02-18 |
| FR2392390A1 (fr) | 1978-12-22 |
| DE2822484A1 (de) | 1978-11-30 |
| JPS627981B2 (en, 2012) | 1987-02-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |