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US4085338A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High-voltage network for areas with high rate of icing
Assignee: Individual
•
Filing: 1976-02-20
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Granted: 1978-04-18
•
Expires: 1996-02-20
Abstract
Abstract A high-voltage network for areas with high rates of icing includes load current circuits including aerial electric power transmission lines and a transformer for melting of an ice coating, the primary winding of the transformer being connected in series with a load current circuit and the secondary winding of said transformer being connected to conductors of one of the aerial electric power transmission lines.
Inventors
- 👤 Georgy Andreevich Genrikh
- 👤 Leonid Alexeevich Nikonets
- 👤 Natalia Georgievna Genrikh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:05
CPC Classifications
H; H02; H02G; H02G7/00; H02G7/16
Claims Analysis
Total Claims: 60
Claim 1
Independent Claim
68 words
A high-voltage network for areas with high rates of icing comprising: load current circuits including a generator, a first transformer, aerial power transmission lines and complex loads; a second transformer for melting of ice coatings with its primary winding being connected in series with a load current circuit and the secondary winding of said second transformer being connected to conductors of one of said aerial power transmission lines.
Claim 2
Dependent Claim
68 words
A high-voltage network for areas with high rates of icing comprising: load current circuits including a generator, a first transformer, aerial power transmission lines and complex loads; a second transformer for melting of ice coatings with its primary winding being connected in series with a load current circuit and the secondary winding of said second transformer being connected to conductors of one of said aerial power transmission lines.
Claim 3
Dependent Claim
57 words
A high-voltage network as claimed in claim 1, wherein said secondary winding of said second transformer for melting of ice coatings is connected to conductors of one of said aerial power transmission lines via a rectifier, a recurrent network comprising an inductor and a condenser connected in series being coupled to direct current outlets of said rectifier.
Claim 4
Dependent Claim
56 words
A high-voltage network as claimed in claim 1, wherein said secondary winding of said second transformer for melting of ice coatings is connected to conductors of one of said aerial power transmission lines via a rectifier, a recurrent network comprising an inductor and a condenser connected in series being coupled in parallel with said secondary winding.
Claim 5
Dependent Claim
65 words
A high-voltage network as claimed in claim 1, wherein said secondary winding of said second transformer for melting of ice coatings is connected to conductors of one of said aerial power transmission lines via a rectifier, a recurrent network comprising an inductor and a condenser connected in series being coupled in parallel to said primary winding of said second transformer for melting of ice coatings.
Claim 6
Dependent Claim
66 words
A high-voltage network for areas with high rates of icing, comprising: load current circuits including a generator, an autotransformer, aerial power transmission lines and complex loads; a transformer for melting of ice coatings the primary winding of which is connected in series with a load current circuit, whereas the secondary winding of said transformer is connected to conductors of one of said aerial power transmission lines.
Claim 7
Dependent Claim
66 words
A high-voltage network for areas with high rates of icing, comprising: load current circuits including a generator, an autotransformer, aerial power transmission lines and complex loads; a transformer for melting of ice coatings the primary winding of which is connected in series with a load current circuit, whereas the secondary winding of said transformer is connected to conductors of one of said aerial power transmission lines.
Claim 8
Dependent Claim
56 words
A high-voltage network as claimed in claim 5, wherein said secondary winding of said transformer for melting of ice coatings is connected to conductors of one of said aerial power transmission lines via a rectifier, a recurrent network comprising an inductor and a condenser connected in series being coupled to direct current outlets of said rectifier.
Claim 9
Dependent Claim
55 words
A high-voltage network as claimed in claim 5, wherein said secondary winding of said transformer for melting of ice coatings is connected to conductors of one of said aerial power transmission lines via a rectifier, a recurrent network comprising an inductor and a condenser connected in series being coupled in parallel with said secondary winding.
Claim 10
Dependent Claim
64 words
A high voltage network as claimed in claim 5, wherein said secondary winding of said transformer for melting of ice coatings is connected to conductors of one of said aerial power transmission lines via a rectifier, a recurrent network comprising an inductor and a condenser connected in series being coupled in parallel to said primary winding of said transformer for melting of ice coating.
Claim 11
Dependent Claim
65 words
A high-voltage network for areas with high rates of icing comprising: load current circuits including a generator, a transformer, aerial power transmission lines and complex loads; an autotransformer for melting of ice coatings with its primary winding being connected in series with a load current circuit, whereas the secondary winding of said autotransformer is connected to conductors of one of said aerial power transmission lines.
Claim 12
Dependent Claim
65 words
A high-voltage network for areas with high rates of icing comprising: load current circuits including a generator, a transformer, aerial power transmission lines and complex loads; an autotransformer for melting of ice coatings with its primary winding being connected in series with a load current circuit, whereas the secondary winding of said autotransformer is connected to conductors of one of said aerial power transmission lines.
Claim 13
Dependent Claim
56 words
A high-voltage network as claimed in claim 9, wherein said secondary winding of said autotransformer for melting of ice coatings is connected to conductors of one of said aerial power transmission lines via a rectifier, a recurrent network comprising an inductor and a condenser connected in series being coupled to direct current outlets of said rectifier.
Claim 14
Dependent Claim
55 words
A high-voltage network as claimed in claim 9, wherein said secondary winding of said autotransformer for melting of ice coatings is connected to conductors of one of said aerial power transmission lines via a rectifier, a recurrent network comprising an inductor and a condenser connected in series being connected in parallel with said secondary winding.
Claim 15
Dependent Claim
63 words
A high-voltage network as claimed in claim 9, wherein said secondary winding of said autotransformer for melting of ice coating is connected to conductors of one of said aerial power transmission lines via a rectifier, a recurrent network comprising an inductor and a condenser connected in series being coupled in parallel with said primary winding of said autotransformer for melting of ice coatings.
Claim 16
Dependent Claim
64 words
A high-voltage network for areas with high rates of icing comprising: load current circuits including a generator, a first autotransformer, aerial power transmission lines and complex loads; a second autotransformer for melting of ice coatings with its primary winding being connected in series with a load current circuit, whereas the secondary winding is connected to conductors of one of said aerial power transmission lines.
Claim 17
Dependent Claim
64 words
A high-voltage network for areas with high rates of icing comprising: load current circuits including a generator, a first autotransformer, aerial power transmission lines and complex loads; a second autotransformer for melting of ice coatings with its primary winding being connected in series with a load current circuit, whereas the secondary winding is connected to conductors of one of said aerial power transmission lines.
Claim 18
Dependent Claim
56 words
A high-voltage network as claimed in claim 13, wherein said secondary winding of said second autotransformer for melting of ice coatings is connected to conductors of one of said aerial power transmission lines via a rectifier, a recurrent network comprising a series connected inductor and a condenser being coupled to direct current outlets of said rectifier.
Claim 19
Dependent Claim
56 words
A high-voltage network as claimed in claim 13, wherein said secondary winding of said second autotransformer for melting of ice coatings is connected to conductors of one of said aerial power transmission lines via a rectifier, a recurrent network comprising an inductor and a condenser connected in series being coupled in parallel with said secondary winding.
Claim 20
Dependent Claim
64 words
A high-voltage network as claimed in claim 13, wherein said secondary winding of said autotransformer for melting of ice coatings is connected to conductors of one of said aerial power transmission lines via a rectifier, a recurrent network comprising an inductor and a condenser connected in series, being coupled in parallel with said primary winding of said second autotransformer for melting of ice coatings.
Claim 21
Dependent Claim
88 words
A high-voltage network for areas with high rates of icing comprising: load current circuits including a generator, a first transformer, aerial power transmission lines and complex loads; a second transformer for melting of ice coatings with its primary winding being connected in series with a load current circuit between outlets of said generator and those of a low-voltage winding of said first transformer, whereas the secondary winding of said second transformer for melting of ice coatings is connected to conductors of one of said aerial power transmission lines.
Claim 22
Dependent Claim
88 words
A high-voltage network for areas with high rates of icing comprising: load current circuits including a generator, a first transformer, aerial power transmission lines and complex loads; a second transformer for melting of ice coatings with its primary winding being connected in series with a load current circuit between outlets of said generator and those of a low-voltage winding of said first transformer, whereas the secondary winding of said second transformer for melting of ice coatings is connected to conductors of one of said aerial power transmission lines.
Claim 23
Dependent Claim
79 words
A high-voltage network for areas with high rates of icing comprising: load current circuits including a generator, an autotransformer, aerial power transmission lines and complex loads; a transformer for melting of ice coatings with its primary winding being connected in series with a load current circuit between outlets of said generator and those of a low-voltage winding of said autotransformer, whereas the secondary winding of said transformer is connected to conductors of one of said aerial power transmission lines.
Claim 24
Dependent Claim
79 words
A high-voltage network for areas with high rates of icing comprising: load current circuits including a generator, an autotransformer, aerial power transmission lines and complex loads; a transformer for melting of ice coatings with its primary winding being connected in series with a load current circuit between outlets of said generator and those of a low-voltage winding of said autotransformer, whereas the secondary winding of said transformer is connected to conductors of one of said aerial power transmission lines.
Claim 25
Dependent Claim
87 words
A high-voltage network for areas with high rates of icing comprising: load current circuits including a generator, a first transformer, aerial power transmission lines and complex loads; a second transformer for melting of ice coatings with its primary winding being connected in series with a load current circuit between "earth" and three neutral outlets of a high-voltage winding of said first transformer, whereas the secondary winding of said second transformer for melting of ice coatings is connected to conductors of one of said aerial power transmission lines.
Claim 26
Dependent Claim
87 words
A high-voltage network for areas with high rates of icing comprising: load current circuits including a generator, a first transformer, aerial power transmission lines and complex loads; a second transformer for melting of ice coatings with its primary winding being connected in series with a load current circuit between "earth" and three neutral outlets of a high-voltage winding of said first transformer, whereas the secondary winding of said second transformer for melting of ice coatings is connected to conductors of one of said aerial power transmission lines.
Claim 27
Dependent Claim
78 words
A high-voltage network for areas with high rates of icing comprising: load current circuits including a generator, an autotransformer, aerial power transmission lines and complex loads; a transformer for melting of ice coatings with its primary winding being connected in series with a load current circuit between "earth" and three neutral outlets of a high-voltage winding of said autotransformer, whereas the secondary winding of said transformer is connected to conductors of one of said aerial power transmission lines.
Claim 28
Dependent Claim
78 words
A high-voltage network for areas with high rates of icing comprising: load current circuits including a generator, an autotransformer, aerial power transmission lines and complex loads; a transformer for melting of ice coatings with its primary winding being connected in series with a load current circuit between "earth" and three neutral outlets of a high-voltage winding of said autotransformer, whereas the secondary winding of said transformer is connected to conductors of one of said aerial power transmission lines.
Claim 29
Dependent Claim
77 words
A high-voltage network for areas with high rates of icing comprising: load current circuits including a generator, a transformer, aerial power transmission lines and complex loads; an autotransformer for melting of ice coatings with its primary winding being connected in series with a load current circuit between "earth" and three neutral outlets of a high-voltage winding of said transformer, whereas the secondary winding of said autotransformer is connected to conductors of one of said power transmission lines.
Claim 30
Dependent Claim
77 words
A high-voltage network for areas with high rates of icing comprising: load current circuits including a generator, a transformer, aerial power transmission lines and complex loads; an autotransformer for melting of ice coatings with its primary winding being connected in series with a load current circuit between "earth" and three neutral outlets of a high-voltage winding of said transformer, whereas the secondary winding of said autotransformer is connected to conductors of one of said power transmission lines.
Claim 31
Dependent Claim
82 words
A high-voltage network for areas with high rates of icing comprising: load current circuits including a generator, a first autotransformer, aerial power transmission lines and complex loads; a second autotransformer for melting of ice coatings with its primary winding being connected in series with a load current circuit between "earth" and three neutral outlets of a high-voltage winding of said first autotransformer, whereas the secondary winding of said second autotransformer is connected to conductors of one of said aerial power transmission lines.
Claim 32
Dependent Claim
82 words
A high-voltage network for areas with high rates of icing comprising: load current circuits including a generator, a first autotransformer, aerial power transmission lines and complex loads; a second autotransformer for melting of ice coatings with its primary winding being connected in series with a load current circuit between "earth" and three neutral outlets of a high-voltage winding of said first autotransformer, whereas the secondary winding of said second autotransformer is connected to conductors of one of said aerial power transmission lines.
Claim 33
Dependent Claim
83 words
A high-voltage network for areas with high rates of icing comprising: load current circuits including a generator, a first transformer, aerial power transmission lines and complex loads; a second transformer for melting of ice coatings with its primary winding being connected in series with a load current circuit between a high-voltage bushing of said first transformer and the phase of an aerial power transmission line, whereas the secondary winding of said second transformer is connected to conductors of another aerial power transmission lines.
Claim 34
Dependent Claim
83 words
A high-voltage network for areas with high rates of icing comprising: load current circuits including a generator, a first transformer, aerial power transmission lines and complex loads; a second transformer for melting of ice coatings with its primary winding being connected in series with a load current circuit between a high-voltage bushing of said first transformer and the phase of an aerial power transmission line, whereas the secondary winding of said second transformer is connected to conductors of another aerial power transmission lines.
Claim 35
Dependent Claim
78 words
A high-voltage network for areas with high rates of icing comprising: load current circuits including a generator, an autotransformer, aerial power transmission lines and complex loads; a transformer for melting of ice coatings with its primary winding being connected in series with a load current circuit between a high-voltage bushing of said autotransformer and the phase of one aerial power transmission line, whereas the secondary winding thereof is connected to conductors of another of said power transmission lines.
Claim 36
Dependent Claim
78 words
A high-voltage network for areas with high rates of icing comprising: load current circuits including a generator, an autotransformer, aerial power transmission lines and complex loads; a transformer for melting of ice coatings with its primary winding being connected in series with a load current circuit between a high-voltage bushing of said autotransformer and the phase of one aerial power transmission line, whereas the secondary winding thereof is connected to conductors of another of said power transmission lines.
Claim 37
Dependent Claim
81 words
A high-voltage network for areas with high rates of icing comprising: load current circuits including a generator, a transformer, aerial power transmission lines and complex loads; an autotransformer for melting of ice coatings with its primary winding being connected in series with a load current circuit between a high-voltage bushing of said transformer and the phase of an aerial power transmission line, whereas the secondary winding of said autotransformer is connected to conductors of another of said aerial power transmission lines.
Claim 38
Dependent Claim
81 words
A high-voltage network for areas with high rates of icing comprising: load current circuits including a generator, a transformer, aerial power transmission lines and complex loads; an autotransformer for melting of ice coatings with its primary winding being connected in series with a load current circuit between a high-voltage bushing of said transformer and the phase of an aerial power transmission line, whereas the secondary winding of said autotransformer is connected to conductors of another of said aerial power transmission lines.
Claim 39
Dependent Claim
83 words
A high-voltage network for areas with high rates of icing comprising: load current circuits including a generator, a first autotransformer, aerial power transmission lines and complex loads; a second autotransformer for melting of ice coatings with its primary winding being connected in series with a load current circuit between a high-voltage bushing of said first autotransformer and the phase of an aerial power transmission line, whereas the secondary winding of said second autotransformer is connected to another of said aerial power transmission lines.
Claim 40
Dependent Claim
83 words
A high-voltage network for areas with high rates of icing comprising: load current circuits including a generator, a first autotransformer, aerial power transmission lines and complex loads; a second autotransformer for melting of ice coatings with its primary winding being connected in series with a load current circuit between a high-voltage bushing of said first autotransformer and the phase of an aerial power transmission line, whereas the secondary winding of said second autotransformer is connected to another of said aerial power transmission lines.
Claim 41
Dependent Claim
71 words
A high-voltage network for areas with high rates of icing comprising: load current circuits including aerial power transmission lines and complex loads; a transformer for melting of ice coatings with its primary winding being connected in series with a load current circuit between three neutral outlets of a complex load and "earth," whereas the secondary winding of said transformer is connected to conductors of one of said aerial power transmission lines.
Claim 42
Dependent Claim
71 words
A high-voltage network for areas with high rates of icing comprising: load current circuits including aerial power transmission lines and complex loads; a transformer for melting of ice coatings with its primary winding being connected in series with a load current circuit between three neutral outlets of a complex load and "earth," whereas the secondary winding of said transformer is connected to conductors of one of said aerial power transmission lines.
Claim 43
Dependent Claim
71 words
A high-voltage network for areas with high rates of icing comprising: load current circuits including aerial power transmission lines and complex loads; an autotransformer for melting of ice coatings with its primary winding being connected in series with a load current circuit between three neutral outlets of a complex load and "earth," whereas the secondary winding of said autotransformer is connected to conductors of one of said aerial power transmission lines.
Claim 44
Dependent Claim
71 words
A high-voltage network for areas with high rates of icing comprising: load current circuits including aerial power transmission lines and complex loads; an autotransformer for melting of ice coatings with its primary winding being connected in series with a load current circuit between three neutral outlets of a complex load and "earth," whereas the secondary winding of said autotransformer is connected to conductors of one of said aerial power transmission lines.
Claim 45
Dependent Claim
76 words
A high-voltage network for areas with high rates of icing comprising: load current circuits including a generator, an autotransformer, aerial power transmission lines and complex loads; a transformer for melting of ice coatings with its primary winding being connected in series with a load current circuit between a complex load and outlets of an average-voltage winding of said autotransformer, whereas the secondary winding of said transformer is connected to one of said aerial power transmission lines.
Claim 46
Dependent Claim
76 words
A high-voltage network for areas with high rates of icing comprising: load current circuits including a generator, an autotransformer, aerial power transmission lines and complex loads; a transformer for melting of ice coatings with its primary winding being connected in series with a load current circuit between a complex load and outlets of an average-voltage winding of said autotransformer, whereas the secondary winding of said transformer is connected to one of said aerial power transmission lines.
Claim 47
Dependent Claim
82 words
A high-voltage network for areas with high rates of icing comprising: load current circuits including a generator, a first autotransformer, aerial power transmission lines and complex loads; a second autotransformer for melting of ice coatings with its primary winding being connected in series with a load current circuit between a complex load and outlets of an average-voltage winding of said first autotransformer, whereas the secondary winding of said second autotransformer is connected to conductors of one of said aerial power transmission lines.
Claim 48
Dependent Claim
82 words
A high-voltage network for areas with high rates of icing comprising: load current circuits including a generator, a first autotransformer, aerial power transmission lines and complex loads; a second autotransformer for melting of ice coatings with its primary winding being connected in series with a load current circuit between a complex load and outlets of an average-voltage winding of said first autotransformer, whereas the secondary winding of said second autotransformer is connected to conductors of one of said aerial power transmission lines.
Claim 49
Dependent Claim
99 words
A high-voltage network for areas with high rates of icing comprising: load current circuits including aerial power transmission lines, at least one of said lines comprising two insulated groups of conductors, which are equipotential in working voltage thereof, and a single-phase autotransformer for melting of ice coatings with its primary winding being connected in series with a load current circuit, whereas the secondary winding of said autotransformer is split into two sections, which sections together with said two insulated groups of conductors are switched into a circuit, said sections of said secondary winding being switched into said circuit accordantly.
Claim 50
Dependent Claim
99 words
A high-voltage network for areas with high rates of icing comprising: load current circuits including aerial power transmission lines, at least one of said lines comprising two insulated groups of conductors, which are equipotential in working voltage thereof, and a single-phase autotransformer for melting of ice coatings with its primary winding being connected in series with a load current circuit, whereas the secondary winding of said autotransformer is split into two sections, which sections together with said two insulated groups of conductors are switched into a circuit, said sections of said secondary winding being switched into said circuit accordantly.
Claim 51
Dependent Claim
103 words
A high-voltage network for areas with rates of icing comprising: load current circuits including aerial power transmission lines, at least one of said lines having an insulated group of conductors comprising two conductors, and a conductor, which are equipotential in working voltage thereof; a single-phase autotransformer for melting of ice coatings with its primary winding being connected in series with a load current circuit, whereas the secondary winding thereof is split into two sections, which sections together with said insulated group of conductors and said conductor are switched into a circuit, said sections of the secondary winding being switched into said circuit accordantly.
Claim 52
Dependent Claim
103 words
A high-voltage network for areas with rates of icing comprising: load current circuits including aerial power transmission lines, at least one of said lines having an insulated group of conductors comprising two conductors, and a conductor, which are equipotential in working voltage thereof; a single-phase autotransformer for melting of ice coatings with its primary winding being connected in series with a load current circuit, whereas the secondary winding thereof is split into two sections, which sections together with said insulated group of conductors and said conductor are switched into a circuit, said sections of the secondary winding being switched into said circuit accordantly.
Claim 53
Dependent Claim
83 words
A high-voltage network for areas with high rates of icing comprising: load current circuits including aerial power transmission lines, at least one of said lines comprising three insulated conductors in phase, and a three-phase transformer for melting of ice coatings with its primary winding being connected in series with a load current circuit, whereas each phase of the secondary winding of said transformer is connected in series respectively with one of said insulated conductors of the phase of an aerial power transmission line.
Claim 54
Dependent Claim
83 words
A high-voltage network for areas with high rates of icing comprising: load current circuits including aerial power transmission lines, at least one of said lines comprising three insulated conductors in phase, and a three-phase transformer for melting of ice coatings with its primary winding being connected in series with a load current circuit, whereas each phase of the secondary winding of said transformer is connected in series respectively with one of said insulated conductors of the phase of an aerial power transmission line.
Claim 55
Dependent Claim
138 words
A high-voltage network for areas with high rates of icing comprising: load current circuits including aerial power transmission lines, at least one of said lines comprising four insulated conductors in phase, two unlike pairs of insulated conductors of the line being short-circuited from the opposite ends thereof, and two three-phase transformers for melting of ice coatings with the primary windings of said transformers being connected in series with said load current circuits, whereas the secondary windings of said transformers are connected to said aerial power transmission lines from the opposite ends thereof, line phases of the secondary windings of both said transformers for melting of ice coatings being connected therewith to unlike said pairs of the short-circuited insulated conductors, whereas two remaining phases of said transformers for melting of ice coatings are connected to two remaining insulated conductors.
Claim 56
Dependent Claim
138 words
A high-voltage network for areas with high rates of icing comprising: load current circuits including aerial power transmission lines, at least one of said lines comprising four insulated conductors in phase, two unlike pairs of insulated conductors of the line being short-circuited from the opposite ends thereof, and two three-phase transformers for melting of ice coatings with the primary windings of said transformers being connected in series with said load current circuits, whereas the secondary windings of said transformers are connected to said aerial power transmission lines from the opposite ends thereof, line phases of the secondary windings of both said transformers for melting of ice coatings being connected therewith to unlike said pairs of the short-circuited insulated conductors, whereas two remaining phases of said transformers for melting of ice coatings are connected to two remaining insulated conductors.
Claim 57
Dependent Claim
142 words
A high-voltage network for areas with high rates of icing comprising: load current circuits including aerial power transmission lines, at least one of which comprises four insulated conductors in phase, two unlike pairs of said insulated conductors being short-circuited from the opposite ends thereof, and two three-phase autotransformers for melting of ice coatings with the primary windings of said autotransformers being connected in series with said load current circuits, whereas the secondary windings of said autotransformers are connected to said aerial power transmission lines, the connection being made from the opposite ends of the line, the like phases of said secondary windings of both said autotransformers for melting of ice coatings being connected to unlike said pairs of the short-circuited insulated conductors, whereas two remaining phases of said autotransformers for melting of ice coatings are connected to two remaining said insulated conductors.
Claim 58
Dependent Claim
142 words
A high-voltage network for areas with high rates of icing comprising: load current circuits including aerial power transmission lines, at least one of which comprises four insulated conductors in phase, two unlike pairs of said insulated conductors being short-circuited from the opposite ends thereof, and two three-phase autotransformers for melting of ice coatings with the primary windings of said autotransformers being connected in series with said load current circuits, whereas the secondary windings of said autotransformers are connected to said aerial power transmission lines, the connection being made from the opposite ends of the line, the like phases of said secondary windings of both said autotransformers for melting of ice coatings being connected to unlike said pairs of the short-circuited insulated conductors, whereas two remaining phases of said autotransformers for melting of ice coatings are connected to two remaining said insulated conductors.
Claim 59
Dependent Claim
98 words
A high-voltage network for areas with high rates of icing comprising: load current circuits including aerial power transmission lines, at least one of which comprises two insulated groups of conductors, which are equipotential in working voltage; a transformer for melting of ice coatings with its primary winding being connected in series with a load current circuit; single-phase converters fed from the secondary winding of said transformer for melting of ice coatings and which converters together with said two insulated groups of conductors are connected in series into a circuit, said single-phase converters being connected into said circuit accordantly.
Claim 60
Dependent Claim
98 words
A high-voltage network for areas with high rates of icing comprising: load current circuits including aerial power transmission lines, at least one of which comprises two insulated groups of conductors, which are equipotential in working voltage; a transformer for melting of ice coatings with its primary winding being connected in series with a load current circuit; single-phase converters fed from the secondary winding of said transformer for melting of ice coatings and which converters together with said two insulated groups of conductors are connected in series into a circuit, said single-phase converters being connected into said circuit accordantly.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-04-17 | 1981-10-17 | 1982-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-04-17 | 1985-10-17 | 1986-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-04-17 | 1989-10-17 | 1990-04-18 | $7700.00 | Window Closed / Lapsed |