FI108760B - Menetelmä suojareleen mukauttamiseksi verkkotaajuuteen ja suojarele - Google Patents

Menetelmä suojareleen mukauttamiseksi verkkotaajuuteen ja suojarele Download PDF

Info

Publication number
FI108760B
FI108760B FI980876A FI980876A FI108760B FI 108760 B FI108760 B FI 108760B FI 980876 A FI980876 A FI 980876A FI 980876 A FI980876 A FI 980876A FI 108760 B FI108760 B FI 108760B
Authority
FI
Finland
Prior art keywords
samples
frequency
dimension
determining
physical
Prior art date
Application number
FI980876A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI980876A (fi
FI980876A0 (fi
Inventor
Reijo Lehtinen
Harri Kuisti
Original Assignee
Abb Transmit Oy
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.)
Filing date
Publication date
Application filed by Abb Transmit Oy filed Critical Abb Transmit Oy
Priority to FI980876A priority Critical patent/FI108760B/fi
Publication of FI980876A0 publication Critical patent/FI980876A0/fi
Priority to TW87113598A priority patent/TW407389B/zh
Priority to AU34243/99A priority patent/AU3424399A/en
Priority to DE69941886T priority patent/DE69941886D1/de
Priority to PCT/FI1999/000318 priority patent/WO1999054976A1/fr
Priority to EP99915791A priority patent/EP0990291B1/fr
Publication of FI980876A publication Critical patent/FI980876A/fi
Application granted granted Critical
Publication of FI108760B publication Critical patent/FI108760B/fi

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/25Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
    • G01R19/2506Arrangements for conditioning or analysing measured signals, e.g. for indicating peak values ; Details concerning sampling, digitizing or waveform capturing
    • G01R19/2509Details concerning sampling, digitizing or waveform capturing
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00Details of emergency protective circuit arrangements
    • H02H1/0092Details of emergency protective circuit arrangements concerning the data processing means, e.g. expert systems, neural networks
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/25Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
    • G01R19/2513Arrangements for monitoring electric power systems, e.g. power lines or loads; Logging
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/46Emergency 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 frequency deviations

Landscapes

  • Engineering & Computer Science (AREA)
  • Artificial Intelligence (AREA)
  • Evolutionary Computation (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Emergency Protection Circuit Devices (AREA)
FI980876A 1998-04-21 1998-04-21 Menetelmä suojareleen mukauttamiseksi verkkotaajuuteen ja suojarele FI108760B (fi)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FI980876A FI108760B (fi) 1998-04-21 1998-04-21 Menetelmä suojareleen mukauttamiseksi verkkotaajuuteen ja suojarele
TW87113598A TW407389B (en) 1998-04-21 1998-08-18 Method for adapting a protective relay to the mains frequency, and a protective relay
AU34243/99A AU3424399A (en) 1998-04-21 1999-04-20 Method for adapting a protective relay to the mains frequency, and a protective relay
DE69941886T DE69941886D1 (de) 1998-04-21 1999-04-20 Verfahren zur anpassung eines schutzrelais an die netzfrequenz, und ein schutzrelais
PCT/FI1999/000318 WO1999054976A1 (fr) 1998-04-21 1999-04-20 Procede pour adapter un relais de protection a la frequence du secteur, et relais de protection
EP99915791A EP0990291B1 (fr) 1998-04-21 1999-04-20 Procede pour adapter un relais de protection a la frequence du secteur, et relais de protection

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI980876 1998-04-21
FI980876A FI108760B (fi) 1998-04-21 1998-04-21 Menetelmä suojareleen mukauttamiseksi verkkotaajuuteen ja suojarele

Publications (3)

Publication Number Publication Date
FI980876A0 FI980876A0 (fi) 1998-04-21
FI980876A FI980876A (fi) 1999-10-22
FI108760B true FI108760B (fi) 2002-03-15

Family

ID=8551552

Family Applications (1)

Application Number Title Priority Date Filing Date
FI980876A FI108760B (fi) 1998-04-21 1998-04-21 Menetelmä suojareleen mukauttamiseksi verkkotaajuuteen ja suojarele

Country Status (6)

Country Link
EP (1) EP0990291B1 (fr)
AU (1) AU3424399A (fr)
DE (1) DE69941886D1 (fr)
FI (1) FI108760B (fr)
TW (1) TW407389B (fr)
WO (1) WO1999054976A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE112006003960A5 (de) * 2006-08-07 2009-04-16 Siemens Aktiengesellschaft Verfahren zum Abtasten eines Strom-oder Spannungsverlaufs und zum Bilden von Abtastwerten, insbesondere zum Einsatz bei Schutz-oder Leiteinrichtungen für Energieübertragungssysteme

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01202114A (ja) * 1988-02-04 1989-08-15 Mitsubishi Electric Corp サンプリング方式
JP2969724B2 (ja) * 1990-02-06 1999-11-02 株式会社明電舎 変化量保護継電器
JPH0458714A (ja) * 1990-06-25 1992-02-25 Mitsubishi Electric Corp ディジタル保護継電装置
JPH06311633A (ja) * 1993-04-23 1994-11-04 Hitachi Ltd ディジタル形保護リレー装置

Also Published As

Publication number Publication date
EP0990291A1 (fr) 2000-04-05
FI980876A (fi) 1999-10-22
FI980876A0 (fi) 1998-04-21
DE69941886D1 (de) 2010-02-25
WO1999054976A1 (fr) 1999-10-28
AU3424399A (en) 1999-11-08
EP0990291B1 (fr) 2010-01-06
TW407389B (en) 2000-10-01

Similar Documents

Publication Publication Date Title
US6519537B1 (en) Apparatus providing on-line indication of frequency of an AC electric power system
CA2106290C (fr) Methode et appareil de numerisation de demi-cycles de signaux alternatifs utilisant un convertisseur analogique-numerique
US4731688A (en) Range limitation for a protection device in a power supply network
US5404388A (en) Digital measurement of amplitude and phase of a sinusoidal signal and detection of load coil based on said measurement
Karimi-Ghartemani et al. Measurement of harmonics/inter-harmonics of time-varying frequencies
US5391983A (en) Solid state electric power usage meter and method for determining power usage
US6717394B2 (en) Method and apparatus for determining frequency of an alternating current signal of an electric power system
Szafran et al. Power system frequency estimation
KR100823832B1 (ko) 전력계통의 주파수 추정장치 및 그 방법
CN105842530B (zh) 电量测量设备和电量测量方法
Petrovic New digital multimeter for accurate measurement of synchronously sampled AC signals
US9423434B2 (en) Method and system for measuring electrical quantity in electrical network
Sezi A new method for measuring power system frequency
JP2006234402A (ja) 電源ライン測定装置
CN209342802U (zh) 直流瞬时功率的计量电路
FI108760B (fi) Menetelmä suojareleen mukauttamiseksi verkkotaajuuteen ja suojarele
Serov Frequency estimation methods for stationary signals
US7444249B2 (en) Digital power metering system for reducing spectral leakage when determining the frequencies present in a power signal
EP1660891A2 (fr) Procede et appareil de mesure de l'impedance d'un composant electrique dans des conditions de brouillage intense
Xu et al. Real-time measurement of mean frequency in two-machine system during power swings
Backmutsky et al. A new DSP method for precise dynamic measurement of the actual power-line frequency and its data acquisition applications
JP4350488B2 (ja) 電力系統における電圧、電流、有効電力、無効電力、周波数計測装置ならびに計測方法
US6115675A (en) Double interpolation anti-skew compensation of sampled analog data points in a protective relay
KR20010020704A (ko) 상재구성 전자트립장치 및 그러한 트립장치를 포함하는회로차단기
Petrovic et al. New algorithm for measuring 50/60 Hz AC values based on the usage of slow A/D converters

Legal Events

Date Code Title Description
MM Patent lapsed