CA1054946A - Systems for transmitting information in an alternating current electricity supply system - Google Patents
Systems for transmitting information in an alternating current electricity supply systemInfo
- Publication number
- CA1054946A CA1054946A CA231,716A CA231716A CA1054946A CA 1054946 A CA1054946 A CA 1054946A CA 231716 A CA231716 A CA 231716A CA 1054946 A CA1054946 A CA 1054946A
- Authority
- CA
- Canada
- Prior art keywords
- voltage
- period
- switch
- supply voltage
- output
- 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.)
- Expired
Links
- 230000005611 electricity Effects 0.000 title claims abstract 3
- 238000000034 method Methods 0.000 claims abstract description 8
- 230000004075 alteration Effects 0.000 claims abstract description 7
- 230000010354 integration Effects 0.000 claims description 10
- 238000004804 winding Methods 0.000 claims description 2
- 239000003990 capacitor Substances 0.000 description 25
- 238000010304 firing Methods 0.000 description 10
- 230000009467 reduction Effects 0.000 description 9
- 241000863814 Thyris Species 0.000 description 5
- PBAYDYUZOSNJGU-UHFFFAOYSA-N chelidonic acid Natural products OC(=O)C1=CC(=O)C=C(C(O)=O)O1 PBAYDYUZOSNJGU-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 241001481828 Glyptocephalus cynoglossus Species 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000002674 ointment Substances 0.000 description 2
- -1 periodO Chemical class 0.000 description 2
- QHGVXILFMXYDRS-UHFFFAOYSA-N pyraclofos Chemical compound C1=C(OP(=O)(OCC)SCCC)C=NN1C1=CC=C(Cl)C=C1 QHGVXILFMXYDRS-UHFFFAOYSA-N 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- 235000012976 tarts Nutrition 0.000 description 2
- IVQOFBKHQCTVQV-UHFFFAOYSA-N 2-hydroxy-2,2-diphenylacetic acid 2-(diethylamino)ethyl ester Chemical compound C=1C=CC=CC=1C(O)(C(=O)OCCN(CC)CC)C1=CC=CC=C1 IVQOFBKHQCTVQV-UHFFFAOYSA-N 0.000 description 1
- 102100035683 Axin-2 Human genes 0.000 description 1
- 101700047552 Axin-2 Proteins 0.000 description 1
- 241001269524 Dura Species 0.000 description 1
- 101100128278 Mus musculus Lins1 gene Proteins 0.000 description 1
- 101100366940 Mus musculus Stom gene Proteins 0.000 description 1
- 241001553014 Myrsine salicina Species 0.000 description 1
- 101100168117 Neurospora crassa (strain ATCC 24698 / 74-OR23-1A / CBS 708.71 / DSM 1257 / FGSC 987) con-8 gene Proteins 0.000 description 1
- 241001163743 Perlodes Species 0.000 description 1
- 208000003251 Pruritus Diseases 0.000 description 1
- 241000613130 Tima Species 0.000 description 1
- 240000004543 Vicia ervilia Species 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- VIKNJXKGJWUCNN-XGXHKTLJSA-N norethisterone Chemical compound O=C1CC[C@@H]2[C@H]3CC[C@](C)([C@](CC4)(O)C#C)[C@@H]4[C@@H]3CCC2=C1 VIKNJXKGJWUCNN-XGXHKTLJSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
- H04B3/542—Systems for transmission via power distribution lines the information being in digital form
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
- H02J13/00007—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using the power network as support for the transmission
- H02J13/0001—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using the power network as support for the transmission using modification of a parameter of the network power signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2203/00—Indexing scheme relating to line transmission systems
- H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
- H04B2203/5404—Methods of transmitting or receiving signals via power distribution lines
- H04B2203/542—Methods of transmitting or receiving signals via power distribution lines using zero crossing information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2203/00—Indexing scheme relating to line transmission systems
- H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
- H04B2203/5462—Systems for power line communications
- H04B2203/5491—Systems for power line communications using filtering and bypassing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Conversion In General (AREA)
- Electronic Switches (AREA)
- Control Of Electrical Variables (AREA)
- Electrotherapy Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB31964/74A GB1500891A (en) | 1974-07-18 | 1974-07-18 | Systems for transmitting information in an alternating current electricity supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1054946A true CA1054946A (en) | 1979-05-22 |
Family
ID=10331019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA231,716A Expired CA1054946A (en) | 1974-07-18 | 1975-07-17 | Systems for transmitting information in an alternating current electricity supply system |
Country Status (9)
| Country | Link |
|---|---|
| AU (1) | AU500793B2 (enrdf_load_stackoverflow) |
| CA (1) | CA1054946A (enrdf_load_stackoverflow) |
| CH (1) | CH595728A5 (enrdf_load_stackoverflow) |
| DE (1) | DE2531897A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2279274A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1500891A (enrdf_load_stackoverflow) |
| IT (1) | IT1041304B (enrdf_load_stackoverflow) |
| SE (1) | SE7508239L (enrdf_load_stackoverflow) |
| ZA (1) | ZA754638B (enrdf_load_stackoverflow) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1600056A (en) * | 1978-03-14 | 1981-10-14 | Texas Instruments Ltd | Communication via an electricity supply main |
| GB2031624B (en) | 1978-08-15 | 1982-03-31 | Rovex Ltd | Remote control of electrical devices |
| DE2849269C2 (de) * | 1978-11-14 | 1980-11-27 | Gema Ag, Apparatebau, St. Gallen (Schweiz) | Verfahren zum Pulversprühen und pneumatische Pulversprüheinrichtung |
| NZ195708A (en) * | 1979-12-07 | 1984-04-27 | Gen Electric Co Ltd | Receiver for detection of ac signalling voltage reductions at zero crossings |
| GB2082359B (en) * | 1980-08-18 | 1984-02-22 | Gen Electric Co Ltd | Lamp-dimming system |
| US5670931A (en) * | 1994-06-17 | 1997-09-23 | Baker Hughes Incorporated | Method and apparatus for transmitting data over a power cable utilizing a magnetically saturable core reactor |
| US8593266B2 (en) | 1999-07-01 | 2013-11-26 | Oilfield Equipment Development Center Limited | Power line communication system |
| GB2511162B (en) * | 2013-12-04 | 2015-04-29 | Energy Assets Ltd | Signal demodulation |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1196906A (en) * | 1966-06-29 | 1970-07-01 | Merseyside And North Wales Ele | Improvements in or relating to Control Systems |
-
1974
- 1974-07-18 GB GB31964/74A patent/GB1500891A/en not_active Expired
-
1975
- 1975-07-17 CH CH939475A patent/CH595728A5/xx not_active IP Right Cessation
- 1975-07-17 DE DE19752531897 patent/DE2531897A1/de not_active Withdrawn
- 1975-07-17 IT IT68876/75A patent/IT1041304B/it active
- 1975-07-17 CA CA231,716A patent/CA1054946A/en not_active Expired
- 1975-07-17 AU AU83143/75A patent/AU500793B2/en not_active Expired
- 1975-07-18 SE SE7508239A patent/SE7508239L/xx not_active Application Discontinuation
- 1975-07-18 FR FR7522617A patent/FR2279274A1/fr active Granted
- 1975-07-18 ZA ZA00754638A patent/ZA754638B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AU500793B2 (en) | 1979-05-31 |
| IT1041304B (it) | 1980-01-10 |
| GB1500891A (en) | 1978-02-15 |
| AU8314375A (en) | 1977-01-20 |
| FR2279274B1 (enrdf_load_stackoverflow) | 1982-01-22 |
| ZA754638B (en) | 1976-07-28 |
| FR2279274A1 (fr) | 1976-02-13 |
| CH595728A5 (enrdf_load_stackoverflow) | 1978-02-28 |
| DE2531897A1 (de) | 1976-02-05 |
| SE7508239L (sv) | 1976-01-19 |
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