JPS5387277A - Phase difference detector - Google Patents
Phase difference detectorInfo
- Publication number
- JPS5387277A JPS5387277A JP116477A JP116477A JPS5387277A JP S5387277 A JPS5387277 A JP S5387277A JP 116477 A JP116477 A JP 116477A JP 116477 A JP116477 A JP 116477A JP S5387277 A JPS5387277 A JP S5387277A
- Authority
- JP
- Japan
- Prior art keywords
- phase difference
- difference detector
- circuit
- quantities
- sampling
- Prior art date
- 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.)
- Granted
Links
- 238000005070 sampling Methods 0.000 abstract 2
- 230000005611 electricity Effects 0.000 abstract 1
Landscapes
- Emergency Protection Circuit Devices (AREA)
- Measuring Phase Differences (AREA)
Abstract
PURPOSE: To detect whether two elecricity quantities are within a specified phase difference range or not without errors and without any restriction on sampling frequencies by providing a sampling circuit of two input a.c. electricity quantities α,β an A/D converting circuit and an arithmetic circuit.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP116477A JPS5387277A (en) | 1977-01-11 | 1977-01-11 | Phase difference detector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP116477A JPS5387277A (en) | 1977-01-11 | 1977-01-11 | Phase difference detector |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5387277A true JPS5387277A (en) | 1978-08-01 |
JPS562310B2 JPS562310B2 (en) | 1981-01-19 |
Family
ID=11493788
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP116477A Granted JPS5387277A (en) | 1977-01-11 | 1977-01-11 | Phase difference detector |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5387277A (en) |
-
1977
- 1977-01-11 JP JP116477A patent/JPS5387277A/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS562310B2 (en) | 1981-01-19 |
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