RU2738254C2 - Ферритовый сердечник, токовая катушка взаимоиндуктивности и выключатель защиты от токов утечки - Google Patents
Ферритовый сердечник, токовая катушка взаимоиндуктивности и выключатель защиты от токов утечки Download PDFInfo
- Publication number
- RU2738254C2 RU2738254C2 RU2017126617A RU2017126617A RU2738254C2 RU 2738254 C2 RU2738254 C2 RU 2738254C2 RU 2017126617 A RU2017126617 A RU 2017126617A RU 2017126617 A RU2017126617 A RU 2017126617A RU 2738254 C2 RU2738254 C2 RU 2738254C2
- Authority
- RU
- Russia
- Prior art keywords
- ferrite
- magnetic permeability
- ferrite core
- core
- mutual inductance
- Prior art date
Links
- 229910000859 α-Fe Inorganic materials 0.000 title claims abstract description 238
- 239000000463 material Substances 0.000 claims abstract description 141
- 230000035699 permeability Effects 0.000 claims abstract description 90
- 230000006872 improvement Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 239000011162 core material Substances 0.000 description 117
- 239000000956 alloy Substances 0.000 description 19
- 229910000863 Ferronickel Inorganic materials 0.000 description 15
- 238000013461 design Methods 0.000 description 15
- 238000010586 diagram Methods 0.000 description 15
- 229910045601 alloy Inorganic materials 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000000047 product Substances 0.000 description 5
- 239000012467 final product Substances 0.000 description 4
- 230000005415 magnetization Effects 0.000 description 4
- 239000002707 nanocrystalline material Substances 0.000 description 4
- 238000003672 processing method Methods 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 206010014357 Electric shock Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910000889 permalloy Inorganic materials 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F3/00—Cores, Yokes, or armatures
- H01F3/08—Cores, Yokes, or armatures made from powder
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F3/00—Cores, Yokes, or armatures
- H01F3/10—Composite arrangements of magnetic circuits
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F17/00—Fixed inductances of the signal type
- H01F17/04—Fixed inductances of the signal type with magnetic core
- H01F17/06—Fixed inductances of the signal type with magnetic core with core substantially closed in itself, e.g. toroid
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/20—Instruments transformers
- H01F38/22—Instruments transformers for single phase ac
- H01F38/28—Current transformers
- H01F38/30—Constructions
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F3/00—Cores, Yokes, or armatures
- H01F3/10—Composite arrangements of magnetic circuits
- H01F2003/106—Magnetic circuits using combinations of different magnetic materials
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Soft Magnetic Materials (AREA)
- Coils Or Transformers For Communication (AREA)
- Emergency Protection Circuit Devices (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610592898.5A CN107658092B (zh) | 2016-07-25 | 2016-07-25 | 铁氧体磁芯、电流互感器以及漏电保护开关 |
| CN201610592898.5 | 2016-07-25 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| RU2017126617A RU2017126617A (ru) | 2019-01-25 |
| RU2017126617A3 RU2017126617A3 (fr) | 2020-06-26 |
| RU2738254C2 true RU2738254C2 (ru) | 2020-12-11 |
Family
ID=59771608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2017126617A RU2738254C2 (ru) | 2016-07-25 | 2017-07-25 | Ферритовый сердечник, токовая катушка взаимоиндуктивности и выключатель защиты от токов утечки |
Country Status (5)
| Country | Link |
|---|---|
| CN (1) | CN107658092B (fr) |
| AU (1) | AU2017208249B2 (fr) |
| GB (1) | GB2553908A (fr) |
| NZ (1) | NZ734059A (fr) |
| RU (1) | RU2738254C2 (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115583832B (zh) * | 2022-09-09 | 2023-09-29 | 华为数字能源技术有限公司 | 磁芯及其制备方法、共模电感、电子装置 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3065181A (en) * | 1956-09-24 | 1962-11-20 | Sprague Electric Co | Inductor materials |
| GB1369817A (en) * | 1970-09-08 | 1974-10-09 | Siemens Ag | Earth leakage protective arrangement |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB708121A (en) * | 1950-04-20 | 1954-04-28 | Philips Electrical Ind Ltd | Improvements in or relating to inductance coils comprising a ferro-magnetic core of highly-permeable ferrite |
| BE521341A (fr) * | 1952-07-10 | |||
| GB734243A (en) * | 1952-07-10 | 1955-07-27 | Philips Electrical Ind Ltd | Improvements in or relating to ferromagnetic ferrite cores |
| CH607057A5 (fr) * | 1975-03-03 | 1978-11-30 | Bbc Brown Boveri & Cie | |
| JPS63208210A (ja) * | 1987-02-25 | 1988-08-29 | Hitachi Ltd | マグネトロン電源用変圧器 |
| CN2059031U (zh) * | 1989-07-15 | 1990-07-04 | 刘豫东 | 单向漏电有效保护开关 |
-
2016
- 2016-07-25 CN CN201610592898.5A patent/CN107658092B/zh active Active
-
2017
- 2017-07-25 NZ NZ734059A patent/NZ734059A/en unknown
- 2017-07-25 RU RU2017126617A patent/RU2738254C2/ru active
- 2017-07-25 AU AU2017208249A patent/AU2017208249B2/en active Active
- 2017-07-25 GB GB1711964.5A patent/GB2553908A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3065181A (en) * | 1956-09-24 | 1962-11-20 | Sprague Electric Co | Inductor materials |
| GB1369817A (en) * | 1970-09-08 | 1974-10-09 | Siemens Ag | Earth leakage protective arrangement |
Non-Patent Citations (1)
| Title |
|---|
| RU 2426189 C1. * |
Also Published As
| Publication number | Publication date |
|---|---|
| RU2017126617A3 (fr) | 2020-06-26 |
| NZ734059A (en) | 2022-07-29 |
| AU2017208249B2 (en) | 2021-08-05 |
| CN107658092B (zh) | 2020-06-05 |
| RU2017126617A (ru) | 2019-01-25 |
| GB2553908A (en) | 2018-03-21 |
| GB201711964D0 (en) | 2017-09-06 |
| CN107658092A (zh) | 2018-02-02 |
| AU2017208249A1 (en) | 2018-02-08 |
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