NZ225148A - Wattmeter with variable frequency output: direction of power flow indicated - Google Patents

Wattmeter with variable frequency output: direction of power flow indicated

Info

Publication number
NZ225148A
NZ225148A NZ225148A NZ22514888A NZ225148A NZ 225148 A NZ225148 A NZ 225148A NZ 225148 A NZ225148 A NZ 225148A NZ 22514888 A NZ22514888 A NZ 22514888A NZ 225148 A NZ225148 A NZ 225148A
Authority
NZ
New Zealand
Prior art keywords
signal
current
charge
control
voltage
Prior art date
Application number
NZ225148A
Other languages
English (en)
Inventor
Robert A Leydier
Original Assignee
Sangamo Weston
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
Priority claimed from US07/066,795 external-priority patent/US4926131A/en
Priority claimed from US07/066,794 external-priority patent/US4924412A/en
Priority claimed from US07/066,793 external-priority patent/US4786877A/en
Application filed by Sangamo Weston filed Critical Sangamo Weston
Publication of NZ225148A publication Critical patent/NZ225148A/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
    • G01R11/36—Induction meters, e.g. Ferraris meters
    • G01R11/40—Induction meters, e.g. Ferraris meters for polyphase operation

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Analogue/Digital Conversion (AREA)
NZ225148A 1987-06-25 1988-06-23 Wattmeter with variable frequency output: direction of power flow indicated NZ225148A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US07/066,795 US4926131A (en) 1987-06-25 1987-06-25 Triangle waveform generator for pulse-width amplitude multiplier
US07/066,794 US4924412A (en) 1987-06-25 1987-06-25 Integrated poly-phase power meter
US07/066,793 US4786877A (en) 1987-06-25 1987-06-25 Amplifier for voltage or current to frequency converter

Publications (1)

Publication Number Publication Date
NZ225148A true NZ225148A (en) 1990-11-27

Family

ID=27371041

Family Applications (1)

Application Number Title Priority Date Filing Date
NZ225148A NZ225148A (en) 1987-06-25 1988-06-23 Wattmeter with variable frequency output: direction of power flow indicated

Country Status (16)

Country Link
JP (1) JPS6454270A (xx)
KR (1) KR890000899A (xx)
CN (1) CN1027470C (xx)
AU (1) AU618955B2 (xx)
BR (1) BR8803139A (xx)
CA (1) CA1301249C (xx)
DK (1) DK350888A (xx)
FI (1) FI883059A (xx)
HU (1) HUT47186A (xx)
IL (1) IL86780A0 (xx)
MX (1) MX164998B (xx)
NO (1) NO882810L (xx)
NZ (1) NZ225148A (xx)
PT (1) PT87830B (xx)
TR (1) TR23899A (xx)
YU (1) YU119488A (xx)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008159340A (ja) * 2006-12-22 2008-07-10 Smk Corp 電子部品取付用ソケット
EP3290933A4 (en) * 2015-04-28 2019-04-17 Alps Alpine Co., Ltd. DEVICE FOR CONTACTLESS VOLTAGE MEASUREMENT
EP3098610B8 (de) * 2015-05-29 2019-06-05 HAMEG Instruments GmbH Leistungsmessgerät und messsystem zur messung der leistung mehrerer phasen in einem mehrphasensystem
CN107453734A (zh) * 2017-07-25 2017-12-08 电子科技大学 一种超声波传感器激励信号产生电路
CN107703354B (zh) * 2017-11-15 2024-01-19 海宁智阳电子有限公司 一种功率运算电路、开关电源及开关电源应用系统
US11313903B2 (en) * 2020-09-30 2022-04-26 Analog Devices, Inc. Pin driver and test equipment calibration

Also Published As

Publication number Publication date
DK350888D0 (da) 1988-06-24
NO882810L (no) 1988-12-27
MX164998B (es) 1992-10-13
AU618955B2 (en) 1992-01-16
CN1027470C (zh) 1995-01-18
CN1033322A (zh) 1989-06-07
FI883059A (fi) 1988-12-26
DK350888A (da) 1988-12-26
BR8803139A (pt) 1989-01-31
YU119488A (en) 1991-01-28
FI883059A0 (fi) 1988-06-23
IL86780A0 (en) 1988-11-30
HUT47186A (en) 1989-01-30
CA1301249C (en) 1992-05-19
TR23899A (tr) 1990-11-01
JPS6454270A (en) 1989-03-01
AU1771788A (en) 1989-01-05
PT87830B (pt) 1995-05-04
NO882810D0 (no) 1988-06-24
KR890000899A (ko) 1989-03-17
PT87830A (pt) 1989-05-31

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