ZA813612B - A circuit arrangement for determining the direction of power flow in an electrical power supply network - Google Patents
A circuit arrangement for determining the direction of power flow in an electrical power supply networkInfo
- Publication number
- ZA813612B ZA813612B ZA00813612A ZA813612A ZA813612B ZA 813612 B ZA813612 B ZA 813612B ZA 00813612 A ZA00813612 A ZA 00813612A ZA 813612 A ZA813612 A ZA 813612A ZA 813612 B ZA813612 B ZA 813612B
- Authority
- ZA
- South Africa
- Prior art keywords
- determining
- circuit arrangement
- supply network
- power supply
- electrical power
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19803021003 DE3021003A1 (en) | 1980-05-30 | 1980-05-30 | Measuring flow direction in electrical power supply - using bias voltage for two pulse-generating comparators |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA813612B true ZA813612B (en) | 1982-06-30 |
Family
ID=6103850
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA00813612A ZA813612B (en) | 1980-05-30 | 1981-05-29 | A circuit arrangement for determining the direction of power flow in an electrical power supply network |
Country Status (4)
Country | Link |
---|---|
AR (1) | AR228153A1 (en) |
BR (1) | BR8103368A (en) |
DE (1) | DE3021003A1 (en) |
ZA (1) | ZA813612B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57146168A (en) * | 1981-03-05 | 1982-09-09 | Toshiba Corp | Device for judging power flow |
DE3145127C3 (en) * | 1981-03-13 | 1996-08-01 | Bosch Gmbh Robert | Method for producing a film for a device for the gradient-free illumination of passive display devices |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2432279A1 (en) * | 1974-07-05 | 1976-01-22 | Andreas Dr Ing Braun | Testing of HV power line - involves deriving test value, modulating it, transmitting it to low voltage side and demodulating |
DE2450252C2 (en) * | 1974-10-23 | 1982-07-01 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Circuit arrangement for the energy flow-dependent switching in an electricity meter |
-
1980
- 1980-05-30 DE DE19803021003 patent/DE3021003A1/en not_active Ceased
-
1981
- 1981-05-07 AR AR285230A patent/AR228153A1/en active
- 1981-05-29 ZA ZA00813612A patent/ZA813612B/en unknown
- 1981-05-29 BR BR8103368A patent/BR8103368A/en unknown
Also Published As
Publication number | Publication date |
---|---|
BR8103368A (en) | 1982-02-16 |
DE3021003A1 (en) | 1981-12-03 |
AR228153A1 (en) | 1983-01-31 |
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