CN103178486A - Direct-current breaker and cutoff method thereof - Google Patents
Direct-current breaker and cutoff method thereof Download PDFInfo
- Publication number
- CN103178486A CN103178486A CN2013100611744A CN201310061174A CN103178486A CN 103178486 A CN103178486 A CN 103178486A CN 2013100611744 A CN2013100611744 A CN 2013100611744A CN 201310061174 A CN201310061174 A CN 201310061174A CN 103178486 A CN103178486 A CN 103178486A
- Authority
- CN
- China
- Prior art keywords
- circuit
- converter
- cutout
- control circuit
- cut
- 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.)
- Granted
Links
Images
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Direct Current Feeding And Distribution (AREA)
Abstract
The invention discloses a direct-current breaker including a converter circuit, a cutoff circuit and an energy-absorption circuit which are connected in parallel. A breaker comprises a control circuit which is connected to the converter circuit, the cutoff circuit, the energy-absorption circuit and a main circuit respectively. The converter circuit comprises converter units connected in series and at least one mechanical switch. The cutoff circuit comprises N cutoff units connected in series. Arc-less breaking of current can be realized rapidly with the direct current breaker controlled; and number of switches of a power semiconductor is greatly decreased on the premise of realizing two-way cutoff capacity is realized, and cost is reduced.
Description
Technical field
The invention belongs to electric and electronic technical field, be specifically related to a kind of dc circuit breaker and cut-off method.
Background technology
Along with based on the multiterminal flexible direct current of voltage source converter (VSC) and direct current network technology begin use, Fast DC Circuit Breaker becomes one of key equipment that guarantees the system stability safe and reliable operation.In AC system, there are two natural zero-crossing points in alternating current in one-period, AC circuit breaker is utilized the natural zero-crossing point cut-off current of electric current just, and in direct current system, there is not the natural zero-crossing point in direct current, thus direct current cut-off the difficulty of cut-offfing more than alternating current.
Breaking direct current has dual mode usually, a kind of is to exchange on the basis of mechanical chopper in routine, by increasing auxiliary circuit, the oscillating current of superposition amplification on the direct current that cut-offs the arc gap, cut-off circuit when utilizing current over-zero, the mechanical type circuit breaker that utilizes this principle to make can't satisfy the requirement of multiterminal flexible DC power transmission system on break-time; Another kind is to utilize the high-power power electronic device of turn-offing, direct disjunction direct current, the solid circuit breaker that utilizes this principle to make is although can satisfy in time the requirement of multiterminal flexible direct current system, but the loss when normally is excessive, and economy is relatively poor.
Summary of the invention
For the deficiencies in the prior art, the present invention proposes a kind of dc circuit breaker and cut-offs method, realized cutting off direct current with turn-offing power electronic device, and without arc cutting, fireballing effect.
A kind of dc circuit breaker provided by the invention, described circuit breaker comprise the commutation circuit that is connected in parallel, cutout loop and energy absorption loop, and its improvements are,
Described circuit breaker comprises control circuit, and described control circuit is connected with total line with described commutation circuit, cutout loop, energy absorption loop respectively;
Described commutation circuit comprises the convertor unit of series connection and the mechanical switch of at least one;
Described cutout loop comprises the cutout unit of N series connection.
Wherein, described convertor unit and described cutout unit include the converter of full bridge structure.
Wherein, the converter of described full bridge structure comprises four diodes and the power semiconductor switch of at least one;
Every two diodes series connection consists of a branch road, two branch circuit parallel connections, and draw respectively the intermediate point of two branch roads, as input or output;
The branch circuit parallel connection that power semiconductor switch and described diode consist of.
Wherein, described energy absorption loop comprises lightning arrester.
Wherein, described energy absorption loop comprises slide rheostat.
The present invention is based on the method for cut-offfing of a kind of dc circuit breaker that another purpose provides, its improvements are, described method comprises the steps:
A, control circuit are controlled the converter deblocking of convertor unit, closed mechanical switch;
B, control circuit are monitored the electric current of each branch road, and in the time of need to cut-offfing the direct current in the loop, control circuit triggers the converter deblocking in the unit that stops, if receive locking convertor unit converter signal, locking convertor unit converter;
C, disconnect described mechanical switch;
If D receives locking cutout unit converter signal, control circuit locking cutout unit converter, with current conversion to the energy absorption loop.
Wherein, generate and send the convertor unit block signal in generation with before sending the unit converter blocking signal that stops.
Wherein, if electric current surpasses the first current limitation, control circuit sends described convertor unit converter cut-off signal;
The first current limit value is more than or equal to the rated current of connection current conversion station.
Wherein, when step C control circuit judgement electric current switched to the cutout loop from commutation circuit, control circuit disconnected described mechanical switch.
Wherein, at described transmission line or distribution line, or the electric device that is connected to described circuit is when breaking down, and control circuit generates, sends and receive cutout unit converter blocking signal;
Wherein, do not receiving in the time from second segment described convertor unit converter blocking or from described high speed machine switch disconnects under cutout unit converter blocking RST, described high speed machine switch is again closed, described convertor unit converter deblocking.
Wherein, still receive or again receive described convertor unit converter blocking signal after described high speed machine switch closure and described convertor unit converter deblocking, at first locking convertor unit converter, after this disconnect the high speed machine switch, and if after this receive described cutout unit converter blocking signal locking cutout unit converter.
Compared with the prior art, beneficial effect of the present invention is:
1, dc circuit breaker circuit topology provided by the invention, bear the normally electric current by commutation circuit, and in commutation circuit, convertor unit series connection progression is few, so the on-state loss during the dc circuit breaker normally is low.
2, dc circuit breaker circuit topology provided by the invention is the no current disjunction by the high speed machine switch, has greatly accelerated the switch breaking speed.
3, the invention provides dc circuit breaker topology on-state loss low.
4, dc circuit breaker convertor unit provided by the invention and cutout unit employing full bridge structure, modularization has reduced the conforming requirement of power electronic device, and the series connection that is easy to the dc circuit breaker power electronic device is used.
5, dc circuit breaker circuit topology provided by the invention, by the cutout loop power semiconductor switch cut off direct current, without arc cutting, speed is fast.
6, dc circuit breaker provided by the invention also can be realized conduct bidirectional current, has reduced the requirement to the power electronic device drive circuit, has reduced simultaneously cost.
7, dc circuit breaker topological structure provided by the invention is novel succinct, and complete function is controlled simple.
8, the method for cut-offfing provided by the invention can ensure that safely, in order, reliably circuit breaker normally moves.
Description of drawings
Fig. 1 is the electrical structure schematic diagram of circuit breaker provided by the invention.Wherein, K is mechanical switch; Z is lightning arrester.
Fig. 2 is the exemplary plot of full bridge structure converter provided by the invention.
Fig. 3 is the exemplary plot of the circuit breaker of realizing based on full bridge structure provided by the invention.
Fig. 4 is that circuit breaker of the present invention is connected exemplary plot with control circuit.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
A kind of circuit breaker that the present embodiment proposes, its electrical structure comprise the commutation circuit that is connected in parallel, cutout loop and energy absorption loop as shown in Figure 1; On this, this rational dc circuit breaker comprises control circuit, and control circuit is connected with the loop that is connected with commutation circuit respectively, is used for controlling conducting and the shutoff in commutation circuit and cutout loop, and it can comprise processor, DSP or FPGA etc., as shown in Figure 4.And the present embodiment further proposes,
Commutation circuit is used for foreign current is switched to the loop that stops, and comprises the mechanical switch and the convertor unit that are connected in series, conduct bidirectional current; On-state voltage drop when convertor unit only bears the cut-off switch conducting; After disconnecting, bears by the high speed machine switch voltage of whole circuit breaker.
The direct current in the fast shut-off loop after the high speed machine switch disconnects is responsible in the cutout loop, can turn-off bidirectional current.It comprises the cutout unit that is connected in series.
Convertor unit and the converter formation of unit by full bridge structure that stop.
The converter of full bridge structure comprises that 4 diodes and at least one power semiconductor switch form, as shown in Figure 2, every two diodes series connection consists of a branch road, article two, branch circuit parallel connection, and draw respectively the intermediate point of two branch roads, as input or output, power semiconductor switch is connected in two series arm mid points; The converter of a full bridge structure, change of current inductance and mechanical switch series connection consist of commutation circuit, and the converter of N full bridge structure is connected with the cutout inductance and consisted of the loop that stops.The circuit breaker example that realizes with the converter of full bridge structure as shown in Figure 3.
The energy absorption loop can absorb the energy that in DC transmission system, inductance stores after the loop cut-off loop direct current that stops, comprise lightning arrester or slide rheostat.When utilizing slide rheostat to realize, the voltage in system is larger, and the resistance of slide rheostat is lower, and the voltage in system is less, and the resistance of slide rheostat is higher.
Adopt the method for cut-offfing that the dc circuit breaker of the present embodiment realizes, its step is as follows:
A, control circuit are controlled the converter deblocking of convertor unit, closed mechanical switch;
B, control circuit are monitored the electric current of each branch road, and at described transmission line or distribution line, or the electric device that is connected to described circuit is when breaking down, and control circuit generates, sends and receive cutout unit converter blocking signal; If electric current surpasses the first current limitation, control circuit sends described convertor unit converter cut-off signal; The first current limit value is more than or equal to the rated current of connection current conversion station;
When C, control circuit judgement electric current switched to the cutout loop from commutation circuit, control circuit disconnected described mechanical switch;
If D receives locking cutout unit converter signal, locking cutout unit converter, with current conversion to the energy absorption loop.
From not receiving under the unit converter blocking RST that stops in the second segment time (being determined by power semiconductor switch withstand current ability in without cooling situation) described convertor unit converter blocking or from described mechanical switch disconnects, described high speed machine switch is again closed, described convertor unit converter deblocking.
Still receive or again receive described convertor unit converter blocking signal after described mechanical switch closure and described convertor unit converter deblocking, at first locking convertor unit converter, after this disconnect the high speed machine switch, and if after this receive described cutout unit converter blocking signal locking cutout unit converter.
The present embodiment adopts full bridge structure power semiconductor switch module to realize the function of the change of current and cutout, has realized cost-effective effect.
Should be noted that at last: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit, although with reference to above-described embodiment, the present invention is had been described in detail, those of ordinary skill in the field are to be understood that: still can modify or be equal to replacement the specific embodiment of the present invention, and do not break away from any modification of spirit and scope of the invention or be equal to replacement, it all should be encompassed in the middle of claim scope of the present invention.
Claims (12)
1. dc circuit breaker, described circuit breaker comprise the commutation circuit that is connected in parallel, cutout loop and energy absorption loop, it is characterized in that,
Described circuit breaker comprises control circuit, and described control circuit is connected with total line with described commutation circuit, cutout loop, energy absorption loop respectively;
Described commutation circuit comprises the convertor unit of series connection and the mechanical switch of at least one;
Described cutout loop comprises the cutout unit of N series connection.
2. dc circuit breaker as claimed in claim 1, is characterized in that, described convertor unit and described cutout unit include the converter of full bridge structure.
3. dc circuit breaker as claimed in claim 2, is characterized in that, the converter of described full bridge structure comprises four diodes and the power semiconductor switch of at least one;
Every two diodes series connection consists of a branch road, two branch circuit parallel connections, and draw respectively the intermediate point of two branch roads, as input or output;
The branch circuit parallel connection that described power semiconductor switch and described diode consist of.
4. dc circuit breaker as claimed in claim 1, is characterized in that, described energy absorption loop comprises lightning arrester.
5. dc circuit breaker as claimed in claim 1, is characterized in that, described energy absorption loop comprises slide rheostat.
A dc circuit breaker cut-off method, it is characterized in that, described method comprises the steps:
A, control circuit are controlled the converter deblocking of convertor unit, closed mechanical switch;
B, control circuit are monitored the electric current of each branch road, and in the time of need to cut-offfing the direct current in the loop, control circuit triggers the converter deblocking in the unit that stops, if receive locking convertor unit converter signal, locking convertor unit converter;
C, disconnect described mechanical switch;
If D receives locking cutout unit converter signal, control circuit locking cutout unit converter, with current conversion to the energy absorption loop.
7. the method for cut-offfing as claimed in claim 6, is characterized in that, generates and send the convertor unit block signal in generation with before sending the unit converter blocking signal that stops.
8. the method for cut-offfing as claimed in claim 6, is characterized in that, if electric current surpasses the first current limitation, control circuit sends described convertor unit converter cut-off signal;
The first current limit value is more than or equal to the rated current of connection current conversion station.
9. the method for cut-offfing as claimed in claim 6, is characterized in that, when step C control circuit judgement electric current switched to the cutout loop from commutation circuit, control circuit disconnected described mechanical switch.
10. the method for cut-offfing as claimed in claim 6, is characterized in that, at described transmission line or distribution line, or the electric device that is connected to described circuit is when breaking down, and control circuit generates, sends and receive cutout unit converter blocking signal.
11. the method for cut-offfing as claimed in claim 6, it is characterized in that, do not receiving in the time from second segment described convertor unit converter blocking or from described high speed machine switch disconnects under cutout unit converter blocking RST, described high speed machine switch is again closed, described convertor unit converter deblocking.
12. the method for cut-offfing as claimed in claim 11, it is characterized in that, still receive or again receive described convertor unit converter blocking signal after described high speed machine switch closure and described convertor unit converter deblocking, at first locking convertor unit converter, after this disconnect the high speed machine switch, and if after this receive described cutout unit converter blocking signal locking cutout unit converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310061174.4A CN103178486B (en) | 2013-02-27 | 2013-02-27 | A kind of dc circuit breaker and cutoff method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310061174.4A CN103178486B (en) | 2013-02-27 | 2013-02-27 | A kind of dc circuit breaker and cutoff method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103178486A true CN103178486A (en) | 2013-06-26 |
| CN103178486B CN103178486B (en) | 2016-12-28 |
Family
ID=48638174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310061174.4A Active CN103178486B (en) | 2013-02-27 | 2013-02-27 | A kind of dc circuit breaker and cutoff method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103178486B (en) |
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103337829A (en) * | 2013-07-04 | 2013-10-02 | 国家电网公司 | Semi-controlled passive injection current high voltage direct current breaker and realization method thereof |
| CN103337851A (en) * | 2013-07-04 | 2013-10-02 | 国家电网公司 | Semi-controlled active injection current high voltage direct current breaker and realization method thereof |
| CN104300517A (en) * | 2014-05-05 | 2015-01-21 | 西南交通大学 | Unidirectional transformation-type high-voltage DC circuit breaker based on Buck-Boost convertor |
| CN104300516A (en) * | 2014-05-05 | 2015-01-21 | 西南交通大学 | Unidirectional transformation-type high-voltage DC circuit breaker based on Buck convertor |
| CN104637752A (en) * | 2015-02-06 | 2015-05-20 | 孙毅彪 | Arc-free parallel intelligent bridge strong control type high-voltage circuit breaker |
| CN104637751A (en) * | 2015-02-06 | 2015-05-20 | 孙毅彪 | Arc-free series intelligent bridge strong control type high-voltage circuit breaker |
| WO2015103857A1 (en) * | 2014-01-08 | 2015-07-16 | 西安交通大学 | Modular high-voltage vacuum direct-current breaking device based on artificial zero-crossing |
| CN105807118A (en) * | 2014-12-30 | 2016-07-27 | 国家电网公司 | Virtual current testing device and testing method thereof for high-voltage DC circuit breaker |
| CN105849994A (en) * | 2013-10-30 | 2016-08-10 | 阿尔斯通技术有限公司 | Breaker circuit |
| CN106099841A (en) * | 2015-04-28 | 2016-11-09 | 通用电气公司 | DC circuit-breaker and the method for use |
| CN106209039A (en) * | 2016-08-18 | 2016-12-07 | 平高集团有限公司 | A kind of novel mixed type dc circuit breaker and power cell |
| CN106532661A (en) * | 2016-11-22 | 2017-03-22 | 平高集团有限公司 | Opening control method for high-voltage direct-current circuit breaker |
| WO2017050103A1 (en) * | 2015-09-25 | 2017-03-30 | 全球能源互联网研究院 | Cascaded full-bridge high-voltage dc circuit breaker, quick reclosing method, and storage medium |
| CN106786349A (en) * | 2016-11-22 | 2017-05-31 | 平高集团有限公司 | A kind of assist exchanging circuit module and high voltage DC breaker |
| CN107749616A (en) * | 2017-09-29 | 2018-03-02 | 浙江大学 | One kind drop damage formula capacitor type dc circuit breaker and its DC Line Fault processing strategy |
| CN107800120A (en) * | 2017-09-29 | 2018-03-13 | 浙江大学 | A kind of capacitor type dc circuit breaker and its DC Line Fault processing strategy |
| CN107968388A (en) * | 2018-01-11 | 2018-04-27 | 国家电网公司 | A kind of direct current transportation high voltage DC breaker |
| CN109494693A (en) * | 2018-11-16 | 2019-03-19 | 北京交通大学 | A kind of hybrid dc circuit breaker and control method reducing reclosing impact |
| CN109510179A (en) * | 2018-11-08 | 2019-03-22 | 华北电力大学 | Split-phase damps the direct current cut-off device and method of MMC and AC circuit breaker cooperation |
| CN110268493A (en) * | 2017-01-25 | 2019-09-20 | 伊顿智能动力有限公司 | Under-voltage protection switch unit |
| CN110854797A (en) * | 2018-08-21 | 2020-02-28 | 西安西电高压开关有限责任公司 | Direct current breaker and central controller and control method thereof |
| US11888403B2 (en) | 2019-01-29 | 2024-01-30 | United States Of America As Represented By The Secretary Of The Air Force | High-bandwidth analog-controlled DC breaker on DC/DC converter with galvanic isolation |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1048635A (en) * | 1989-07-03 | 1991-01-16 | 西屋电气公司 | The solid-state trip unit of DC circuit breakers |
| CN2301784Y (en) * | 1997-04-21 | 1998-12-23 | 浙江三强科技工业有限公司 | Compound non-arcing DC circuit breaker |
| CN102687221A (en) * | 2009-11-16 | 2012-09-19 | Abb技术有限公司 | Device and method to break the current of a power transmission or distribution line and current limiting arrangement |
-
2013
- 2013-02-27 CN CN201310061174.4A patent/CN103178486B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1048635A (en) * | 1989-07-03 | 1991-01-16 | 西屋电气公司 | The solid-state trip unit of DC circuit breakers |
| CN2301784Y (en) * | 1997-04-21 | 1998-12-23 | 浙江三强科技工业有限公司 | Compound non-arcing DC circuit breaker |
| CN102687221A (en) * | 2009-11-16 | 2012-09-19 | Abb技术有限公司 | Device and method to break the current of a power transmission or distribution line and current limiting arrangement |
Cited By (33)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103337851B (en) * | 2013-07-04 | 2015-09-23 | 国家电网公司 | A kind of half control type active injection current high voltage direct current breaker and its implementation |
| CN103337851A (en) * | 2013-07-04 | 2013-10-02 | 国家电网公司 | Semi-controlled active injection current high voltage direct current breaker and realization method thereof |
| CN103337829A (en) * | 2013-07-04 | 2013-10-02 | 国家电网公司 | Semi-controlled passive injection current high voltage direct current breaker and realization method thereof |
| CN103337829B (en) * | 2013-07-04 | 2016-08-10 | 国家电网公司 | A kind of half control type passive injection current high voltage direct current breaker and its implementation |
| CN105849994B (en) * | 2013-10-30 | 2018-11-02 | 通用电气技术有限公司 | Breaker circuit |
| CN105849994A (en) * | 2013-10-30 | 2016-08-10 | 阿尔斯通技术有限公司 | Breaker circuit |
| WO2015103857A1 (en) * | 2014-01-08 | 2015-07-16 | 西安交通大学 | Modular high-voltage vacuum direct-current breaking device based on artificial zero-crossing |
| CN104300516B (en) * | 2014-05-05 | 2017-04-19 | 西南交通大学 | Unidirectional transformation-type high-voltage DC circuit breaker based on Buck convertor |
| CN104300516A (en) * | 2014-05-05 | 2015-01-21 | 西南交通大学 | Unidirectional transformation-type high-voltage DC circuit breaker based on Buck convertor |
| CN104300517A (en) * | 2014-05-05 | 2015-01-21 | 西南交通大学 | Unidirectional transformation-type high-voltage DC circuit breaker based on Buck-Boost convertor |
| CN104300517B (en) * | 2014-05-05 | 2018-07-17 | 西南交通大学 | A kind of unidirectional variable-pressure high voltage DC breaker based on improved One Buck-Boost converter body |
| CN105807118A (en) * | 2014-12-30 | 2016-07-27 | 国家电网公司 | Virtual current testing device and testing method thereof for high-voltage DC circuit breaker |
| CN104637751A (en) * | 2015-02-06 | 2015-05-20 | 孙毅彪 | Arc-free series intelligent bridge strong control type high-voltage circuit breaker |
| CN104637752A (en) * | 2015-02-06 | 2015-05-20 | 孙毅彪 | Arc-free parallel intelligent bridge strong control type high-voltage circuit breaker |
| CN104637751B (en) * | 2015-02-06 | 2018-05-22 | 孙毅彪 | No electric arc type series connection learning bridge controls by force formula high-voltage circuitbreaker |
| CN104637752B (en) * | 2015-02-06 | 2018-04-06 | 孙毅彪 | Formula primary cut-out is controlled by force without electric arc type parallel connection learning bridge |
| CN106099841A (en) * | 2015-04-28 | 2016-11-09 | 通用电气公司 | DC circuit-breaker and the method for use |
| CN106099841B (en) * | 2015-04-28 | 2019-07-19 | 通用电气公司 | DC circuit-breaker and the method used |
| WO2017050103A1 (en) * | 2015-09-25 | 2017-03-30 | 全球能源互联网研究院 | Cascaded full-bridge high-voltage dc circuit breaker, quick reclosing method, and storage medium |
| CN106209039A (en) * | 2016-08-18 | 2016-12-07 | 平高集团有限公司 | A kind of novel mixed type dc circuit breaker and power cell |
| CN106786349A (en) * | 2016-11-22 | 2017-05-31 | 平高集团有限公司 | A kind of assist exchanging circuit module and high voltage DC breaker |
| CN106532661A (en) * | 2016-11-22 | 2017-03-22 | 平高集团有限公司 | Opening control method for high-voltage direct-current circuit breaker |
| CN106532661B (en) * | 2016-11-22 | 2019-08-06 | 平高集团有限公司 | A kind of separating brake control method of high voltage DC breaker |
| CN110268493A (en) * | 2017-01-25 | 2019-09-20 | 伊顿智能动力有限公司 | Under-voltage protection switch unit |
| CN107800120A (en) * | 2017-09-29 | 2018-03-13 | 浙江大学 | A kind of capacitor type dc circuit breaker and its DC Line Fault processing strategy |
| CN107749616A (en) * | 2017-09-29 | 2018-03-02 | 浙江大学 | One kind drop damage formula capacitor type dc circuit breaker and its DC Line Fault processing strategy |
| CN107749616B (en) * | 2017-09-29 | 2019-01-04 | 浙江大学 | A kind of capacitive dc circuit breaker of decreasing loss formula and its DC Line Fault processing strategie |
| CN107968388A (en) * | 2018-01-11 | 2018-04-27 | 国家电网公司 | A kind of direct current transportation high voltage DC breaker |
| CN110854797A (en) * | 2018-08-21 | 2020-02-28 | 西安西电高压开关有限责任公司 | Direct current breaker and central controller and control method thereof |
| CN110854797B (en) * | 2018-08-21 | 2022-01-28 | 西安西电高压开关有限责任公司 | Direct current breaker and central controller and control method thereof |
| CN109510179A (en) * | 2018-11-08 | 2019-03-22 | 华北电力大学 | Split-phase damps the direct current cut-off device and method of MMC and AC circuit breaker cooperation |
| CN109494693A (en) * | 2018-11-16 | 2019-03-19 | 北京交通大学 | A kind of hybrid dc circuit breaker and control method reducing reclosing impact |
| US11888403B2 (en) | 2019-01-29 | 2024-01-30 | United States Of America As Represented By The Secretary Of The Air Force | High-bandwidth analog-controlled DC breaker on DC/DC converter with galvanic isolation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103178486B (en) | 2016-12-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103178486A (en) | Direct-current breaker and cutoff method thereof | |
| CN103280763B (en) | A kind of dc circuit breaker and its implementation | |
| CN105281303B (en) | A kind of hybrid high voltage DC breaker and its implementation | |
| CN103219699B (en) | High-voltage mixing type direct-current breaker | |
| CN203166459U (en) | DC circuit breaker | |
| CN109659967B (en) | Converter station containing resistive superconducting current limiter and direct current breaker and direct current fault processing strategy thereof | |
| CN103997322A (en) | Full-solidity direct-current breaker and control method thereof | |
| CN105609344A (en) | Hybrid DC current breaker topological structure | |
| CN103618298A (en) | High-voltage direct-current breaker | |
| CN103646805B (en) | A kind of direct-current breaker topology | |
| CN103632895B (en) | A kind of DC circuit breaker | |
| WO2017080354A1 (en) | High voltage dc circuit breaker having coupled inductor | |
| CN106300296B (en) | A kind of active short-circuit type high voltage DC breaker | |
| CN104113057B (en) | A kind of combined DC switchgear and control method thereof | |
| CN102377235B (en) | Cascaded converter-based multifunctional high-speed switch device | |
| CN104158171A (en) | High voltage direct current circuit breaker topology circuit | |
| CN104979796A (en) | Pre-charged high speed direct current breaker and control method therefor | |
| CN106877301A (en) | A kind of high voltage DC breaker and test method | |
| CN103337829A (en) | Semi-controlled passive injection current high voltage direct current breaker and realization method thereof | |
| CN106972479A (en) | The design method and high-low pressure dc circuit breaker of a kind of direct-current grid | |
| CN103681039A (en) | High-voltage direct-current breaker topology | |
| CN103839710B (en) | A kind of mixed type dc circuit breaker | |
| CN110299700A (en) | A kind of electro-mechanical mixed dc circuit breaker and its control method | |
| CN103647263B (en) | Dc circuit breaker based on half control type power electronic devices | |
| CN103532091B (en) | A kind of cutoff method of electromechanical integration high voltage DC breaker |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 102209 Beijing City, Changping District science and Technology Park in the future smart grid research institute hospital Co-patentee after: CHINA-EPRI ELECTRIC POWER ENGINEERING Co.,Ltd. Patentee after: GLOBAL ENERGY INTERCONNECTION Research Institute Co-patentee after: State Grid Corporation of China Address before: 102211 Beijing city Changping District Xiaotangshan town big East Village Road No. 270 (future technology city) Co-patentee before: CHINA-EPRI ELECTRIC POWER ENGINEERING Co.,Ltd. Patentee before: STATE GRID SMART GRID Research Institute Co-patentee before: State Grid Corporation of China |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20170531 Address after: 102209 Beijing City, Changping District science and Technology Park in the future smart grid research institute hospital Co-patentee after: State Grid Corporation of China Patentee after: GLOBAL ENERGY INTERCONNECTION Research Institute Address before: 102209 Beijing City, Changping District science and Technology Park in the future smart grid research institute hospital Co-patentee before: CHINA-EPRI ELECTRIC POWER ENGINEERING Co.,Ltd. Patentee before: GLOBAL ENERGY INTERCONNECTION RESEARCH INSTITUTE Co-patentee before: State Grid Corporation of China |