PT87830B - Sistema para medicao de energia electrica polifasico integrado - Google Patents
Sistema para medicao de energia electrica polifasico integrado Download PDFInfo
- Publication number
- PT87830B PT87830B PT87830A PT8783088A PT87830B PT 87830 B PT87830 B PT 87830B PT 87830 A PT87830 A PT 87830A PT 8783088 A PT8783088 A PT 8783088A PT 87830 B PT87830 B PT 87830B
- Authority
- PT
- Portugal
- Prior art keywords
- signal
- voltage
- current
- node
- switch
- Prior art date
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)
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 (2)
| Publication Number | Publication Date |
|---|---|
| PT87830A PT87830A (pt) | 1989-05-31 |
| PT87830B true PT87830B (pt) | 1995-05-04 |
Family
ID=27371041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PT87830A PT87830B (pt) | 1987-06-25 | 1988-06-24 | Sistema para medicao de energia electrica polifasico integrado |
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)
| 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 |
-
1988
- 1988-06-16 AU AU17717/88A patent/AU618955B2/en not_active Expired - Fee Related
- 1988-06-16 IL IL86780A patent/IL86780A0/xx unknown
- 1988-06-22 YU YU01194/88A patent/YU119488A/xx unknown
- 1988-06-23 FI FI883059A patent/FI883059A/fi not_active Application Discontinuation
- 1988-06-23 NZ NZ225148A patent/NZ225148A/en unknown
- 1988-06-23 MX MX12020A patent/MX164998B/es unknown
- 1988-06-23 KR KR1019880007568A patent/KR890000899A/ko not_active Application Discontinuation
- 1988-06-24 TR TR88/0460A patent/TR23899A/xx unknown
- 1988-06-24 PT PT87830A patent/PT87830B/pt not_active IP Right Cessation
- 1988-06-24 DK DK350888A patent/DK350888A/da not_active Application Discontinuation
- 1988-06-24 NO NO882810A patent/NO882810L/no unknown
- 1988-06-24 BR BR8803139A patent/BR8803139A/pt not_active Application Discontinuation
- 1988-06-24 CA CA000570381A patent/CA1301249C/en not_active Expired - Fee Related
- 1988-06-24 JP JP63156624A patent/JPS6454270A/ja active Pending
- 1988-06-24 HU HU883214A patent/HUT47186A/hu unknown
- 1988-06-25 CN CN88103940A patent/CN1027470C/zh not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| DK350888D0 (da) | 1988-06-24 |
| NO882810L (no) | 1988-12-27 |
| NZ225148A (en) | 1990-11-27 |
| 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 |
| NO882810D0 (no) | 1988-06-24 |
| KR890000899A (ko) | 1989-03-17 |
| PT87830A (pt) | 1989-05-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG3A | Patent granted, date of granting |
Effective date: 19941007 |
|
| MM3A | Annulment or lapse |
Free format text: LAPSE DUE TO NON-PAYMENT OF FEES Effective date: 19960430 |