GB2281629B - Measuring distortions in ac networks - Google Patents

Measuring distortions in ac networks

Info

Publication number: GB2281629B
Authority: GB; United Kingdom
Prior art keywords: networks; measuring distortions; distortions; measuring
Prior art date: 1993-07-30
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

Application number

GB9315809A

Other versions

GB2281629A (en

GB9315809D0 (en

Inventor

John Spensley Fielden

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.)

Secure Meters UK Ltd

Original Assignee

Polymeters Response International 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.)

1993-07-30

Filing date

1993-07-30

Publication date

1997-09-10

1993-07-30 Application filed by Polymeters Response International Ltd filed Critical Polymeters Response International Ltd

1993-07-30 Priority to GB9315809A priority Critical patent/GB2281629B/en

1993-09-15 Publication of GB9315809D0 publication Critical patent/GB9315809D0/en

1995-03-08 Publication of GB2281629A publication Critical patent/GB2281629A/en

1997-09-10 Application granted granted Critical

1997-09-10 Publication of GB2281629B publication Critical patent/GB2281629B/en

2013-07-30 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Classifications

- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
- G01R23/16—Spectrum analysis; Fourier analysis
- G01R23/20—Measurement of non-linear distortion

Landscapes

Physics & Mathematics (AREA)
Nonlinear Science (AREA)
Mathematical Physics (AREA)
General Physics & Mathematics (AREA)
Measurement Of Current Or Voltage (AREA)

GB9315809A 1993-07-30 1993-07-30 Measuring distortions in ac networks Expired - Lifetime GB2281629B (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
GB9315809A GB2281629B (en)	1993-07-30	1993-07-30	Measuring distortions in ac networks

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB9315809A GB2281629B (en)	1993-07-30	1993-07-30	Measuring distortions in ac networks

Publications (3)

Publication Number	Publication Date
GB9315809D0 GB9315809D0 (en)	1993-09-15
GB2281629A GB2281629A (en)	1995-03-08
GB2281629B true GB2281629B (en)	1997-09-10

Family

ID=10739709

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB9315809A Expired - Lifetime GB2281629B (en)	1993-07-30	1993-07-30	Measuring distortions in ac networks

Country Status (1)

Country	Link
GB (1)	GB2281629B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5671147A (en) *	1995-08-11	1997-09-23	Hewlett-Packard Company	AC mains test system for measuring current harmonics and voltage variations
US5789928A (en) *	1995-11-01	1998-08-04	Sundstrand Corporation	Circuit and method for discriminating the source of waveform distortion in an electric power generation and distribution system
GB0027556D0 (en) *	2000-11-10	2000-12-27	Secretary Trade Ind Brit	Testing of electrical apparatus
JP5000441B2 (en) *	2007-09-26	2012-08-15	大崎電気工業株式会社	Power measuring method and power measuring apparatus

1993
- 1993-07-30 GB GB9315809A patent/GB2281629B/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
GB2281629A (en)	1995-03-08
GB9315809D0 (en)	1993-09-15

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Legal Events

Date	Code	Title	Description
2013-08-21	PE20	Patent expired after termination of 20 years	Expiry date: 20130729