GB2624842A - Solid-state DC device - Google Patents
Solid-state DC device Download PDFInfo
- Publication number
- GB2624842A GB2624842A GB2404693.0A GB202404693A GB2624842A GB 2624842 A GB2624842 A GB 2624842A GB 202404693 A GB202404693 A GB 202404693A GB 2624842 A GB2624842 A GB 2624842A
- Authority
- GB
- United Kingdom
- Prior art keywords
- solid
- state
- relay
- power semiconductor
- conductor path
- 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.)
- Pending
Links
- 239000004065 semiconductor Substances 0.000 claims abstract 23
- 239000004020 conductor Substances 0.000 claims abstract 19
- 239000003990 capacitor Substances 0.000 claims 5
- 238000007599 discharging Methods 0.000 claims 3
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/02—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess current
- H02H9/025—Current limitation using field effect transistors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/001—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection limiting speed of change of electric quantities, e.g. soft switching on or off
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/59—Circuit arrangements not adapted to a particular application of the switch and not otherwise provided for, e.g. for ensuring operation of the switch at a predetermined point in the ac cycle
- H01H33/596—Circuit arrangements not adapted to a particular application of the switch and not otherwise provided for, e.g. for ensuring operation of the switch at a predetermined point in the ac cycle for interrupting dc
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/54—Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere
- H01H9/541—Contacts shunted by semiconductor devices
- H01H9/542—Contacts shunted by static switch means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/54—Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere
- H01H9/548—Electromechanical and static switch connected in series
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/08—Modifications for protecting switching circuit against overcurrent or overvoltage
- H03K17/081—Modifications for protecting switching circuit against overcurrent or overvoltage without feedback from the output circuit to the control circuit
- H03K17/0814—Modifications for protecting switching circuit against overcurrent or overvoltage without feedback from the output circuit to the control circuit by measures taken in the output circuit
- H03K17/08142—Modifications for protecting switching circuit against overcurrent or overvoltage without feedback from the output circuit to the control circuit by measures taken in the output circuit in field-effect transistor switches
-
- 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
- H02H3/087—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 for dc applications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K2017/515—Mechanical switches; Electronic switches controlling mechanical switches, e.g. relais
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Power Conversion In General (AREA)
Abstract
For a solid-state DC device (1 ) comprising: a first conductor path (2) and a second conductor path (5), a first power semiconductor (12) in the first conductor part (2), a first snubber (8), a first relay (9) arranged in series to the first power semiconductor (12), a second relay (10) arranged in parallel to the first power semiconductor (12), a control and driver unit (13) configured to drive the first power semiconductor (12), the first relay (9) and the second relay (10) with control signals, it is suggested, that the solid-state DC device (1 ) is embodied to limit an electric current in the first conductor path (2) to a predefined range of current-values, and that the control and driver unit (13) is embodied to switch on the first relay (9), switch off the second relay (10), and to operate the first power semiconductor (12) to limit the electric current.
Claims (12)
1 . Solid-state DC device (1 ) comprising: a first conductor path (2) from a first power supply connection (3) of the solid-state DC device (1 ) to a first load connection (4) of the solid-state DC device (1 ), a second conductor path (5) from a second power supply connection (6) of the solid- state DC device (1 ) to a second load connection (7) of the solid-state DC device (1 ), a first power semiconductor (12) of the solid-state DC device (1 ) arranged in the first conductor path (2), a first snubber (8) connected parallel to the first power semiconductor (12), and connected to the second conductor path (5), a first relay (9) arranged in series to the first power semiconductor (12), a second relay (10) arranged in a parallel conductor path (15), which is electrically parallel to the first power semiconductor 12 and the first relay (9), whereby the second relay (10) comprises a first end part (16) and a second end part (17), a control and driver unit (13) configured to drive the first power semiconductor (12), the first relay (9) and the second relay (10) with control signals, characterised in, that the solid-state DC device (1 ) is embodied to limit an electric current in the first conductor path (2), especially at the first power supply connection (3), to a predefined range of current-values, and that the control and driver unit (13) is embodied to switch on the first relay (9), switch off the second relay (10), and to operate the first power semiconductor (12) to limit the electric current to the predefined range of current-values.
2. Solid-state DC device (1 ) according to claim 1 , characterised in, that the control and driver unit (13) generates hysteresis modulated turning on and/or turning off signals of the first power semiconductor (12) to operate the first power semiconductor (12).
3. Solid-state DC device (1 ) according to one of the claims 1 or 2, characterised in, that the control and driver unit (13) is embodied to limit the electric current to the predefined range of current- values for charging or discharging a load, especially a load capacitor.
4. Solid-state DC device (1 ) according to one of the claims 1 to 3, characterised in, that the solid-state DC device (1 ) comprises a predefined line impedance (18), and that the line impedance (18) is arranged in the first conductor path (2) between the first power supply connection (3) and the first end part (16) of the parallel conductor path (15).
5. Solid-state DC device (1 ) according to one of the claims 1 to 4, characterised in, that the solid-state DC device (1 ) comprises a predefined inductor (19), and that the inductor (19) is arranged in the first conductor path (2).
6. Solid-state DC device (1 ) according to one of the claims 1 to 5, characterised in, that at least a first current measuring device (20) is arranged at the first conductor path (2), and that the first current measuring device (20) is connected with the control and driver unit (13).
7. Solid-state DC device (1 ) according to one of the claims 1 to 6, characterised in, that the solid-state DC device (1 ) comprises a third relay (11 ) and a third resistor (21 ) in series to the third relay (11 ), and that the switched on third relay (11 ) connects the first conductor path (2) and the second conductor path (5) with the third resistor (21 ).
8. Solid-state DC device (1 ) according to claim 7, characterised in, that the the control and driver unit (13) is embodied to switch on the third relay (11 ) in case of a discharge operation.
9. Solid-state DC device (1 ) according to one of the claims 7 or 8, characterised in, that the solid-state DC device (1 ) comprises a second power semiconductor (14) arranged in the first conductor path (2) between the first power semiconductor (12) and the second end part (17) of the parallel conductor path (15), and that the second power semiconductor (14) is arranged contrary to the first power semiconductor (12).
10. Solid-state DC device (1 ) according to claim 9, characterised in, that the third relay (11 ) is connected to the first conductor path (2) between the first power semiconductor (12) and the second power semiconductor (14).
11 . Solid-state DC device (1 ) according to claim 10, characterised in, that the control and driver unit (13) is embodied for charging a load, especially a load capacitor, and the control and driver unit (13) is embodied to switch on the first relay (9), switch off the second relay (10), switch off the third relay (11 ), switch on the second power semiconductor (14), and to operate the first power semiconductor (12) to limit the electric current to the predefined range of current-values during charging the load capacitor.
12. Solid-state DC device (1 ) according to claim 8 or 9, characterised in, that the control and driver unit (13) is embodied for discharging a load, especially a load capacitor, and the control and driver unit (13) is embodied to switch on the first relay (9), switch off the second relay (10), switch on the third relay (11 ), switch off the first power semiconductor (12), and to operate the second power semiconductor (12) to limit the electric current to the predefined range of current-values during discharging the load capacitor. 15
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2114870.5A GB2611826A (en) | 2021-10-18 | 2021-10-18 | Solid-state DC device |
| PCT/EP2022/025473 WO2023066519A1 (en) | 2021-10-18 | 2022-10-14 | Solid-state dc device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| GB202404693D0 GB202404693D0 (en) | 2024-05-15 |
| GB2624842A true GB2624842A (en) | 2024-05-29 |
Family
ID=78718486
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2114870.5A Pending GB2611826A (en) | 2021-10-18 | 2021-10-18 | Solid-state DC device |
| GB2404693.0A Pending GB2624842A (en) | 2021-10-18 | 2022-10-14 | Solid-state DC device |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2114870.5A Pending GB2611826A (en) | 2021-10-18 | 2021-10-18 | Solid-state DC device |
Country Status (2)
| Country | Link |
|---|---|
| GB (2) | GB2611826A (en) |
| WO (1) | WO2023066519A1 (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010007452A1 (en) * | 2010-02-10 | 2011-08-11 | Siemens Aktiengesellschaft, 80333 | Switching relief for a circuit breaker |
| EP2602894A1 (en) * | 2011-12-05 | 2013-06-12 | Efore OYJ | Circuit, method and system for overload protection |
| CN107819457A (en) * | 2017-12-06 | 2018-03-20 | 昆山安平电气有限公司 | A kind of machinery and semiconductors coupling formula switch and its application method |
| EP3321948A1 (en) * | 2016-11-11 | 2018-05-16 | Xi'an Jiaotong University | Dc circuit breaker based on combination of damping circuit and magnetic induction commutation circuit |
| KR20200024069A (en) * | 2018-08-27 | 2020-03-06 | 엘에스산전 주식회사 | Bi-directional solid state circuit breaker |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10444031B2 (en) * | 2014-09-16 | 2019-10-15 | Hitachi Automotive Systems, Ltd. | Sensor device |
| GB2579636B (en) * | 2018-12-07 | 2022-10-26 | Eaton Intelligent Power Ltd | Circuit breaker |
| CN111404113B (en) * | 2020-04-24 | 2023-04-25 | 四川大学 | T-shaped direct current breaker and control method thereof |
-
2021
- 2021-10-18 GB GB2114870.5A patent/GB2611826A/en active Pending
-
2022
- 2022-10-14 WO PCT/EP2022/025473 patent/WO2023066519A1/en unknown
- 2022-10-14 GB GB2404693.0A patent/GB2624842A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010007452A1 (en) * | 2010-02-10 | 2011-08-11 | Siemens Aktiengesellschaft, 80333 | Switching relief for a circuit breaker |
| EP2602894A1 (en) * | 2011-12-05 | 2013-06-12 | Efore OYJ | Circuit, method and system for overload protection |
| EP3321948A1 (en) * | 2016-11-11 | 2018-05-16 | Xi'an Jiaotong University | Dc circuit breaker based on combination of damping circuit and magnetic induction commutation circuit |
| CN107819457A (en) * | 2017-12-06 | 2018-03-20 | 昆山安平电气有限公司 | A kind of machinery and semiconductors coupling formula switch and its application method |
| KR20200024069A (en) * | 2018-08-27 | 2020-03-06 | 엘에스산전 주식회사 | Bi-directional solid state circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| GB202114870D0 (en) | 2021-12-01 |
| GB2611826A (en) | 2023-04-19 |
| GB202404693D0 (en) | 2024-05-15 |
| WO2023066519A1 (en) | 2023-04-27 |
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