GB2285693B - Power Measuring Methods - Google Patents

Power Measuring Methods

Info

Publication number: GB2285693B
Authority: GB; United Kingdom
Prior art keywords: power measuring; measuring methods; methods; power; measuring
Prior art date: 1993-03-13
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 - Fee Related

Application number

GB9506331A

Other versions

GB9506331D0 (en

GB2285693A (en

Inventor

Kenneth Payne

David Alexander Watson

Roger Henry King

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Landis and Gyr Ltd

Original Assignee

Ampy Automotion Digilog Ltd

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.)

1993-03-13

Filing date

1993-03-13

Publication date

1997-05-21

1993-03-13 Application filed by Ampy Automotion Digilog Ltd filed Critical Ampy Automotion Digilog Ltd

1993-03-13 Priority to GB9506331A priority Critical patent/GB2285693B/en

1995-05-17 Publication of GB9506331D0 publication Critical patent/GB9506331D0/en

1995-07-19 Publication of GB2285693A publication Critical patent/GB2285693A/en

1997-05-21 Application granted granted Critical

1997-05-21 Publication of GB2285693B publication Critical patent/GB2285693B/en

2013-03-13 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

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
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
- G01R19/252—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques using analogue/digital converters of the type with conversion of voltage or current into frequency and measuring of this frequency

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Power Engineering (AREA)
Measurement Of Current Or Voltage (AREA)
General Induction Heating (AREA)
Electron Sources, Ion Sources (AREA)
Diaphragms For Electromechanical Transducers (AREA)

GB9506331A 1993-03-13 1993-03-13 Power Measuring Methods Expired - Fee Related GB2285693B (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
GB9506331A GB2285693B (en)	1993-03-13	1993-03-13	Power Measuring Methods

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
GB9305230A GB2276011B (en)	1993-03-13	1993-03-13	Improvements in and relating to power meters
GB9506331A GB2285693B (en)	1993-03-13	1993-03-13	Power Measuring Methods

Publications (3)

Publication Number	Publication Date
GB9506331D0 GB9506331D0 (en)	1995-05-17
GB2285693A GB2285693A (en)	1995-07-19
GB2285693B true GB2285693B (en)	1997-05-21

Family

ID=10732048

Family Applications (3)

Application Number	Title	Priority Date	Filing Date
GB9305230A Expired - Fee Related GB2276011B (en)	1993-03-13	1993-03-13	Improvements in and relating to power meters
GB9506330A Withdrawn GB2285692A (en)	1993-03-13	1993-03-13	Power meters
GB9506331A Expired - Fee Related GB2285693B (en)	1993-03-13	1993-03-13	Power Measuring Methods

Family Applications Before (2)

Application Number	Title	Priority Date	Filing Date
GB9305230A Expired - Fee Related GB2276011B (en)	1993-03-13	1993-03-13	Improvements in and relating to power meters
GB9506330A Withdrawn GB2285692A (en)	1993-03-13	1993-03-13	Power meters

Country Status (9)

Country	Link
EP (1)	EP0688434A1 (en)
JP (1)	JPH08507609A (en)
AU (1)	AU679729B2 (en)
ES (1)	ES2081786T1 (en)
FI (1)	FI954297A (en)
GB (3)	GB2276011B (en)
GR (1)	GR960300002T1 (en)
NO (1)	NO953609D0 (en)
WO (1)	WO1994022024A1 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2285695B (en) *	1993-03-13	1997-05-21	Ampy Automation Digilog	Power Measuring Method
GB2306677B (en) *	1995-11-02	2000-10-04	Siemens Measurements Ltd	Improvements in or relating to electricity meters
JP3290946B2 (en) *	1998-03-10	2002-06-10	株式会社東芝	Power calculation device
JP2007147334A (en) *	2005-11-24	2007-06-14	Jimbo Electric Co Ltd	Digital display current-monitoring unit
CN103353545B (en) *	2013-07-22	2015-06-10	国家电网公司	Voltage and current loop carrier wave isolation and attenuation equipment
CN103645457B (en) *	2013-12-20	2016-06-01	国家电网公司	A kind of on-site inspection device for electric energy meter
CN104459303B (en) *	2014-12-24	2016-06-01	国家电网公司	A kind of adaptively sampled line selection apparatus of double-bus
CN105487032A (en) *	2016-01-04	2016-04-13	国网山东省电力公司青岛供电公司	Verification device
US11442087B2 (en) *	2019-04-25	2022-09-13	Microchip Technology Incorporated	Adaptive power measurement accumulator with a changing sampling frequency
CN110297124B (en) *	2019-08-06	2022-04-12	南方电网科学研究院有限责任公司	Non-grounded voltage measuring device and method
CN114942402B (en) *	2022-07-20	2022-11-29	武汉格蓝若智能技术有限公司	Abnormal electric energy meter positioning method and system

Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2259779A (en) *	1991-09-19	1993-03-24	Ampy Automation Digilog	Power meter
GB2276012A (en) *	1993-03-13	1994-09-14	Ampy Automation Digilog	Improved power meter

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CH551013A (en) *	1972-06-07	1974-06-28	Landis & Gyr Ag	CIRCUIT ARRANGEMENT FOR PRODUCT FORMATION FROM VOLTAGE AND CURRENT FOR THE PURPOSE OF MEASURING ELECTRICAL ENERGY.
DE2839123C2 (en) *	1978-09-08	1980-10-23	Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt	Voltage-frequency converter
EP0446962A3 (en) *	1986-04-11	1992-06-03	Schlumberger Industries, Inc.	Solid state electricity meter display
JPS63246025A (en) *	1987-04-01	1988-10-13	Nec Corp	Pulse frequency modulating circuit
GB2217027A (en) *	1988-04-05	1989-10-18	Omega Electric Ltd	Active power measurement
GB9120011D0 (en) *	1991-09-19	1991-11-06	Ampy Automation Digilog	Improvements in and relating to power meter

1993
- 1993-03-13 GB GB9305230A patent/GB2276011B/en not_active Expired - Fee Related
- 1993-03-13 GB GB9506330A patent/GB2285692A/en not_active Withdrawn
- 1993-03-13 GB GB9506331A patent/GB2285693B/en not_active Expired - Fee Related
1994
- 1994-03-11 ES ES94909198T patent/ES2081786T1/en active Pending
- 1994-03-11 EP EP94909198A patent/EP0688434A1/en not_active Withdrawn
- 1994-03-11 JP JP6520759A patent/JPH08507609A/en active Pending
- 1994-03-11 AU AU62128/94A patent/AU679729B2/en not_active Ceased
- 1994-03-11 WO PCT/GB1994/000492 patent/WO1994022024A1/en not_active Application Discontinuation
1995
- 1995-09-13 FI FI954297A patent/FI954297A/en not_active Application Discontinuation
- 1995-09-13 NO NO953609A patent/NO953609D0/en unknown
1996
- 1996-02-29 GR GR960300002T patent/GR960300002T1/en unknown

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2259779A (en) *	1991-09-19	1993-03-24	Ampy Automation Digilog	Power meter
GB2276012A (en) *	1993-03-13	1994-09-14	Ampy Automation Digilog	Improved power meter

Also Published As

Publication number	Publication date
AU6212894A (en)	1994-10-11
GB9506331D0 (en)	1995-05-17
FI954297A0 (en)	1995-09-13
GB2285692A (en)	1995-07-19
GB2285693A (en)	1995-07-19
GB2276011A (en)	1994-09-14
GB9305230D0 (en)	1993-04-28
GR960300002T1 (en)	1996-02-29
WO1994022024A1 (en)	1994-09-29
JPH08507609A (en)	1996-08-13
NO953609L (en)	1995-09-13
NO953609D0 (en)	1995-09-13
FI954297A (en)	1995-10-13
GB2276011B (en)	1997-05-14
AU679729B2 (en)	1997-07-10
EP0688434A1 (en)	1995-12-27
GB9506330D0 (en)	1995-05-17
ES2081786T1 (en)	1996-03-16

Publication	Publication Date	Title
GB9323111D0 (en)	1994-01-05	Cryosurical probe
GB2296134B (en)	1998-08-12	Electric motor-in-wheel
AU6602094A (en)	1994-09-08	Power measuring
GB9419218D0 (en)	1994-11-09	Methods
GB2285693B (en)	1997-05-21	Power Measuring Methods
GB2285694B (en)	1997-05-21	Power Measuring Method
EP0432884A3 (en)	1991-08-21	Power wrench
AU121416S (en)	1994-09-01	Battery
GB9315306D0 (en)	1993-09-08	Methods
GB2282904B (en)	1998-09-16	Energy indicator
GB9311113D0 (en)	1993-07-14	Probes
GB9315351D0 (en)	1993-09-08	Methods
GB9315340D0 (en)	1993-09-08	Methods
GB2282894B (en)	1997-06-25	Power testing apparatus
GB9314813D0 (en)	1993-09-01	Spirit measure
GB9308780D0 (en)	1993-06-09	Methods
GB9315298D0 (en)	1993-09-08	Methods
GB9301407D0 (en)	1993-03-17	Electricity measurement
GB9403395D0 (en)	1994-04-13	Spirit measure
GB9315271D0 (en)	1993-09-08	Methods
GB9315341D0 (en)	1993-09-08	Methods
GB9312260D0 (en)	1993-07-28	Meters
GB2273569B (en)	1995-10-18	Energy measurement
GB9406490D0 (en)	1994-05-25	Measuring
CA72408S (en)	1993-04-15	Bench

Legal Events

Date	Code	Title	Description
1998-11-04	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 19980313