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특허 상세정보

MyON담기
내보내기 페이스북 공유 카카오톡 공유

Analog-to-digital measurement and calibration system for electrical energy

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) G01R-021/06   
미국특허분류(USC) 324/142 ; 324/074 ; 364/483
출원번호 US-0520480 (1995-08-29)
우선권정보 CH-0002698 (1994-09-05)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Meltzer, Lippe, Goldstein, Wolf, & Schlissel, P.C.
인용정보 피인용 횟수 : 25  인용 특허 : 13
초록
▼

A system for measuring the energy output from one or more electrical energy sources first makes an analog power measurement, and converts the resultant output into digital form. The A/D converter includes a sigma-delta modulator in series with a digital filter. Then, the output from the A/D converter is inputted to a digital quantizer via a serial interface. A programmable calibration value is also inputted into the digital quantizer from a computer via a non-volatile memory, such that the operating level/calibration of the digital quantizer is controlla...

대표
청구항
▼

[ We claim:] [1.] A system for measuring energy, said system being calibrated and comprising:an analog power measurement circuit for receiving input signals, and for outputting analog power signals,an analog-to-digital converter for receiving said analog output power signals from said analog power measurement circuit, and for outputting digital signals representative of said analog output power signals, said analog-to-digital converter comprising a sigma-delta modulator in series with a digital filter,a digital quantizer for receiving said digital signal...

이 특허에 인용된 특허 (13)

  1. Jacob Philippe L. (Clifton Park NY) Gaverick Steven L. (Schenectady NY). Correction of systematic error in an oversampled analog-to-digital converter. USP1990084951052.
  2. Gervais Michel (Champigny sur Marne FRX) Bazin Alain (Villejuif FRX) Schang Denise (Montrouge FRX). Electricity meter with variable gain sigma-delta converter. USP1996025493212.
  3. Planer Norman G. (Annandale MN). Electronic watthour meter. USP1985034504787.
  4. Greenwood Michael W. (Maple Grove MN) DuPuis Paul P. (Mound MN). Enhanced accuracy delta-sigma A/D converter. USP1993095245343.
  5. Sramek ; Jr. John (San Ramon CA). Improved sigma-delta type analog-to-digital converter and method. USP1994095345236.
  6. Begin John D. (Warren MI) Berry James E. (Royal Oak MI) Kretzmer Paul D. (Oak Park MI). Intelligent power monitor. USP1989064839819.
  7. Garverick Steven L. (Schenectady NY) Fujino Kenji (Tokyo JPX) Nishijo Masaaki (Tokyo JPX) Imamoto Masami (Tokyo JPX). Measuring electrical parameters of power line operation, using a digital computer. USP1994045301121.
  8. Swerlein Ronald L. (Longmont CO). Method and apparatus for measuring RMS values. USP1992055117180.
  9. Bradford Curtis V. (Campbell CA). Method and apparatus for measuring electrical parameters using a differentiating current sensor and a digital integrator. USP1996015485393.
  10. Bissell Ronald D. (Orange CT) Ortyl ; III Nicholas E. (Middletown CT). Method of calibrating mechanical pressure gauges. USP1994095345400.
  11. White Stanley A. (San Clemente CA). One-bit sigma-delta modulator with improved signal stability. USP1993015179380.
  12. Ledzius Robert C. (Austin TX) Irwin James S. (Paige TX). Sigma-delta digital-to-analog converter with reduced noise. USP1994065323157.
  13. Mayfield Glenn A. (3060 Wilce Ave. Columbus OH 43202). Watt/watthour transducer and amplifier-filter therefor. USP1977104055804.

이 특허를 인용한 특허 피인용횟수: 25

  1. Robert M. Schreiber ; Binan Wang. Analog-to-digital converter including two-wire interface circuit. USP2002096456219.
  2. Nestler, Eric. Apparatus and system for electrical power metering using digital integration. USP2004086781361.
  3. Kuyel, Turker. Automatic input error recovery circuit and method for recursive digital filters. USP2010037685216.
  4. Petr,Jan. Circuit arrangement and a method for compensating changes of a transfer factor of a magnetic field sensor arrangement. USP2007057224158.
  5. Morokhovskyi, Victor. Control device and method of operating the control device having controller chips and change-over unit. USP2009087573315.
  6. Hickling, Ronald M.. Direct conversion delta-sigma receiver. USP2004066748025.
  7. Hall, Edmund J.; Tyler, Stephen J.. Electric power system control with measurement of energy demand and energy efficiency. USP2017129847639.
  8. Hall, Edmund J.; Tyler, Stephen J.. Electric power system control with measurement of energy demand and energy efficiency using T-distributions. USP2018029887541.
  9. Hall, Edmund J.; Tyler, Stephen J.. Electric power system control with measurement of energy demand and energy efficiency using t-distributions. USP2017029563218.
  10. Peskin, Melissa A.; Powell, Phillip W.. Electric power system control with planning of energy demand and energy efficiency using AMI-based data analysis. USP2017069678520.
  11. Peskin, Melissa A.; Powell, Phillip W.. Electric power system control with planning of energy demand and energy efficiency using AMI-based data analysis. USP2016059354641.
  12. Adame Javier,CHX ; Junker John P. ; Burns Gordon R. ; Voisine John Thomas. Electricity meter to measure electrical physical magnitudes which are parameters or functions of measured voltages and/or currents. USP2000056058354.
  13. Schäffer, Viola; Ivanov, Mikhail V.. Magnetic field sensor linearization architecture and method. USP2016089417293.
  14. Tyler, Stephen J.; Powell, Phillip W.. Management of energy demand and energy efficiency savings from voltage optimization on electric power systems using AMI-based data analysis. USP2017019553453.
  15. Tyler, Stephen J.; Powell, Phillip W.. Management of energy demand and energy efficiency savings from voltage optimization on electric power systems using AMI-based data analysis. USP2016049325174.
  16. Powell, Phillip W.; Tyler, Stephen J.; Peskin, Melissa A.. Maximizing of energy delivery system compatibility with voltage optimization using AMI-based data control and analysis. USP2017029582020.
  17. Powell, Phillip W.; Tyler, Stephen J.; Peskin, Melissa A.. Maximizing of energy delivery system compatibility with voltage optimization using AMI-based data control and analysis. USP2016069367075.
  18. Windsheimer Klaus,DEX. Method and device for compensating for angle errors when measuring electrical power. USP2001056239589.
  19. Lee, Albert; Lee, Hochul; Wang, Kang-Lung. Nonvolatile memory device and calibration method for the same. USP2018059972400.
  20. Ghaffari Bahareh. Scatter gather memory system for a hardware accelerated command interpreter engine. USP2000086105075.
  21. Ronaghi, Mostafa; Agah, Ali. Semiconductor sensor circuit arrangement. USP2010087782237.
  22. Tlaskal Ondrej,GBX. Sigma-delta analogue-to-digital conversion circuits. USP2000026020836.
  23. Bailey,George R.; Kahn,Iftikharuddin. System and method for accelerating circuit measurements. USP2009037506283.
  24. Powell, Phillip W.; Parker, Steven K.; Bollbach, Melissa A.; Pruett, Mark L.. Voltage conservation using advanced metering infrastructure and substation centralized voltage control. USP2013058437883.
  25. Powell, Phillip W.; Parker, Steven K.; Bollbach, Melissa A.; Pruett, Mark L.. Voltage conservation using advanced metering infrastructure and substation centralized voltage control. USP2013118577510.

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