GB2587139B - Method and device of abnormal efficiency protection for electrical apparatus - Google Patents
Method and device of abnormal efficiency protection for electrical apparatus Download PDFInfo
- Publication number
- GB2587139B GB2587139B GB2016952.0A GB202016952A GB2587139B GB 2587139 B GB2587139 B GB 2587139B GB 202016952 A GB202016952 A GB 202016952A GB 2587139 B GB2587139 B GB 2587139B
- Authority
- GB
- United Kingdom
- Prior art keywords
- electrical apparatus
- efficiency protection
- abnormal efficiency
- abnormal
- protection
- 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.)
- Active
Links
Classifications
-
- 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
- H02H3/26—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents
- H02H3/28—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at two spaced portions of a single system, e.g. at opposite ends of one line, at input and output of apparatus
-
- 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
- H02H3/42—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 product of voltage and current
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/10—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers
- H02H7/12—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/20—Responsive to malfunctions or to light source life; for protection
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
- Inverter Devices (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2203941.6A GB2602591B (en) | 2018-04-27 | 2018-04-27 | Method and device of abnormal efficiency protection for electrical apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CN2018/084741 WO2019205072A1 (en) | 2018-04-27 | 2018-04-27 | Method and device of abnormal efficiency protection for electrical apparatus |
Publications (3)
Publication Number | Publication Date |
---|---|
GB202016952D0 GB202016952D0 (en) | 2020-12-09 |
GB2587139A GB2587139A (en) | 2021-03-17 |
GB2587139B true GB2587139B (en) | 2022-05-11 |
Family
ID=68293628
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2016952.0A Active GB2587139B (en) | 2018-04-27 | 2018-04-27 | Method and device of abnormal efficiency protection for electrical apparatus |
Country Status (2)
Country | Link |
---|---|
GB (1) | GB2587139B (en) |
WO (1) | WO2019205072A1 (en) |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1234643A (en) * | 1998-04-10 | 1999-11-10 | 松下电器产业株式会社 | Power-supply apparatus |
US20100026208A1 (en) * | 2008-07-29 | 2010-02-04 | Exclara Inc. | Apparatus, System and Method for Cascaded Power Conversion |
CN104466914A (en) * | 2013-12-11 | 2015-03-25 | 成都芯源***有限公司 | Short-circuit protection circuit and switching power supply and protection method thereof |
CN105814783A (en) * | 2014-06-23 | 2016-07-27 | Smk株式会社 | DC-DC converter |
CN105874684A (en) * | 2013-12-30 | 2016-08-17 | (株)晓星 | Power duplication apparatus for HVDC system and control method therefor |
WO2018031757A1 (en) * | 2016-08-11 | 2018-02-15 | Finsix Corporation | Control of power converters |
CN107846142A (en) * | 2013-08-19 | 2018-03-27 | 英飞凌科技奥地利有限公司 | Circuit of power factor correction and method |
EP3367526A1 (en) * | 2017-02-27 | 2018-08-29 | ABB Schweiz AG | Method for protecting inverter assembly against direct current arc, and inverter assembly |
-
2018
- 2018-04-27 WO PCT/CN2018/084741 patent/WO2019205072A1/en active Application Filing
- 2018-04-27 GB GB2016952.0A patent/GB2587139B/en active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1234643A (en) * | 1998-04-10 | 1999-11-10 | 松下电器产业株式会社 | Power-supply apparatus |
US20100026208A1 (en) * | 2008-07-29 | 2010-02-04 | Exclara Inc. | Apparatus, System and Method for Cascaded Power Conversion |
CN107846142A (en) * | 2013-08-19 | 2018-03-27 | 英飞凌科技奥地利有限公司 | Circuit of power factor correction and method |
CN104466914A (en) * | 2013-12-11 | 2015-03-25 | 成都芯源***有限公司 | Short-circuit protection circuit and switching power supply and protection method thereof |
CN105874684A (en) * | 2013-12-30 | 2016-08-17 | (株)晓星 | Power duplication apparatus for HVDC system and control method therefor |
CN105814783A (en) * | 2014-06-23 | 2016-07-27 | Smk株式会社 | DC-DC converter |
WO2018031757A1 (en) * | 2016-08-11 | 2018-02-15 | Finsix Corporation | Control of power converters |
EP3367526A1 (en) * | 2017-02-27 | 2018-08-29 | ABB Schweiz AG | Method for protecting inverter assembly against direct current arc, and inverter assembly |
Also Published As
Publication number | Publication date |
---|---|
GB2587139A (en) | 2021-03-17 |
WO2019205072A1 (en) | 2019-10-31 |
GB202016952D0 (en) | 2020-12-09 |
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