IT1087406B - CIRCUIT PROVISION FOR THE ANALOG CALCULATION OF THE POWER FACTOR - Google Patents
CIRCUIT PROVISION FOR THE ANALOG CALCULATION OF THE POWER FACTORInfo
- Publication number
- IT1087406B IT1087406B IT2806477A IT2806477A IT1087406B IT 1087406 B IT1087406 B IT 1087406B IT 2806477 A IT2806477 A IT 2806477A IT 2806477 A IT2806477 A IT 2806477A IT 1087406 B IT1087406 B IT 1087406B
- Authority
- IT
- Italy
- Prior art keywords
- power factor
- analog calculation
- circuit provision
- provision
- circuit
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R21/00—Arrangements for measuring electric power or power factor
- G01R21/006—Measuring power factor
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06G—ANALOGUE COMPUTERS
- G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
- G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Software Systems (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
- Control Of Electrical Variables (AREA)
- Analogue/Digital Conversion (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19762644247 DE2644247C3 (en) | 1976-09-30 | 1976-09-30 | Circuit arrangement for the analog calculation of the power factor |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1087406B true IT1087406B (en) | 1985-06-04 |
Family
ID=5989367
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT2806477A IT1087406B (en) | 1976-09-30 | 1977-09-29 | CIRCUIT PROVISION FOR THE ANALOG CALCULATION OF THE POWER FACTOR |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS5348576A (en) |
CH (1) | CH620534A5 (en) |
DE (1) | DE2644247C3 (en) |
IT (1) | IT1087406B (en) |
NL (1) | NL7710604A (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5852573A (en) * | 1981-09-24 | 1983-03-28 | Mitsubishi Electric Corp | Power-factor transducer |
JPS5852575A (en) * | 1981-09-24 | 1983-03-28 | Mitsubishi Electric Corp | Power-factor transducer |
-
1976
- 1976-09-30 DE DE19762644247 patent/DE2644247C3/en not_active Expired
-
1977
- 1977-09-19 CH CH1139077A patent/CH620534A5/en not_active IP Right Cessation
- 1977-09-28 NL NL7710604A patent/NL7710604A/en not_active Application Discontinuation
- 1977-09-29 IT IT2806477A patent/IT1087406B/en active
- 1977-09-29 JP JP11726777A patent/JPS5348576A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
DE2644247A1 (en) | 1978-08-17 |
DE2644247B2 (en) | 1980-10-16 |
NL7710604A (en) | 1978-04-03 |
CH620534A5 (en) | 1980-11-28 |
JPS5348576A (en) | 1978-05-02 |
DE2644247C3 (en) | 1981-11-12 |
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