CN208316404U - A kind of intelligent DC busbar coupler - Google Patents
A kind of intelligent DC busbar coupler Download PDFInfo
- Publication number
- CN208316404U CN208316404U CN201820917031.7U CN201820917031U CN208316404U CN 208316404 U CN208316404 U CN 208316404U CN 201820917031 U CN201820917031 U CN 201820917031U CN 208316404 U CN208316404 U CN 208316404U
- Authority
- CN
- China
- Prior art keywords
- bus
- section
- cathode
- delivery outlet
- sections
- 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
- 238000002955 isolation Methods 0.000 claims description 27
- 230000001131 transforming effect Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Direct Current Feeding And Distribution (AREA)
Abstract
The utility model discloses and provides a kind of intelligent DC busbar coupler for connecting and being arranged between two sections of DC bus, when one section of bus breaks down such as Voltage Drop, the device can quickly move through another section of bus and uninterruptedly provide power supply to the fault bus, the continuous power supply for guaranteeing failure DC bus, to improve transforming plant DC power-supply system reliability of operation.The interconnection of the utility model two sections of buses suitable for the DC power systems such as electric system.
Description
Technical field
The utility model relates to a kind of intelligent DC busbar couplers.
Background technique
It is most in DC power system both at home and abroad at present to select the double battery groups of double chargers in order to guarantee power supply reliability
It is referred to as double to fill double storage modes of connection, it is connected with bus connection switch between two sections of DC bus, by carrying out breaking-closing operating manually.Work as station
When being reduced with AC power source power loss or voltage, if the current supply circuit or the battery of the battery group that certain section of DC bus is connected
Internal break down of group can cause this section of DC bus power loss, so as to cause the various power devices on this section of bus are connected to
Power loss causes the fault coverage of substation to expand.It is mutual without two sections of DC bus can be achieved in existing DC power system application
For spare device or equipment.
Utility model content
Technical problem to be solved in the utility model is to have overcome the deficiencies of the prior art and provide a kind of connection setting to exist
Intelligent DC busbar coupler between two sections of DC bus, when one section of bus breaks down such as Voltage Drop, the dress
Another section of bus can be quickly move through by, which setting, uninterruptedly provides power supply to the fault bus, guarantees the continuous confession of failure DC bus
Electricity, to improve transforming plant DC power-supply system reliability of operation.
The technical scheme adopted by the utility model is DC/DC power cell, the second isolation is isolated in the utility model first
DC/DC power cell, the first anti-check diode and the second anti-check diode, the first isolation DC/DC power cell
DC/DC power cell is isolated with described second to be connected between one section of DC bus and two sections of DC bus, described
Between the first isolation DC/DC power cell and two sections of DC bus, described second is anti-reverse for one anti-check diode setting
Only diode setting is between the second isolation DC/DC power cell and one section of DC bus.
The first positive input port, the first positive delivery outlet, the are respectively arranged on the first isolation DC/DC power cell
One cathode input port and the first cathode delivery outlet, it is described second isolation DC/DC power cell on be respectively arranged with second anode
Input port, the second positive delivery outlet, the second cathode input port and the second cathode delivery outlet
Described first positive input port and the anode of one section of DC bus are electrically connected, the described first positive delivery outlet and two
The anode of section DC bus is electrically connected, and the first anti-check diode electrical connection setting is in the first anode output
Between mouth and the anode of two sections of DC bus, the positive direction of the first anti-check diode is being directed toward two sections of DC bus just
Pole, first cathode input port and the cathode of one section of DC bus are electrically connected, and the first cathode delivery outlet and two sections are straight
The cathode of stream bus is electrically connected.
Described second positive input port and the anode of two sections of DC bus are electrically connected, the described second positive delivery outlet and one
The anode of section DC bus is electrically connected, the second anti-check diode electrical connection setting the described second positive delivery outlet with
Between the anode of one section of DC bus, the positive direction of the second anti-check diode is directed toward the anode of one section of DC bus, institute
It states the second cathode input port and the cathode of two sections of DC bus is electrically connected, the second cathode delivery outlet and one section of DC bus
Cathode be electrically connected.
The beneficial effects of the utility model are: the utility model be arranged in the both ends DC bus in DC power system it
Between, when one section of bus breaks down such as Voltage Drop, which can quickly move through another section of bus uninterruptedly to the event
Hinder bus provide power supply, guarantee failure DC bus continuous power supply, thus improve transforming plant DC power-supply system operation can
By property.
Detailed description of the invention
Fig. 1 is the principle of device structural schematic diagram of the utility model.
Specific embodiment
As shown in Figure 1, in the present embodiment, the utility model includes that the first isolation DC/DC power cell 1, second is isolated
DC/DC power cell 2, the first anti-check diode 3 and the second anti-check diode 4, the first isolation DC/DC power list
Member 1 is isolated DC/DC power cell 2 with described second and is connected between one section of DC bus 5 and two sections of DC bus 6,
The first anti-setting of check diode 3 is described between the first isolation DC/DC power cell 1 and two sections of DC bus 6
The second anti-setting of check diode 4 is between the second isolation DC/DC power cell 2 and one section of DC bus 5.
The first positive delivery outlet in positive input port 11, first is respectively arranged on the first isolation DC/DC power cell 1
12, the first cathode input port 13 and the first cathode delivery outlet 14, it is described second isolation DC/DC power cell 2 on be respectively set
There are the second positive delivery outlet 22 in positive input port 21, second, the second cathode input port 23 and the second cathode delivery outlet 24.
Described first positive input port 11 and the anode of one section of DC bus 5 are electrically connected, the described first positive delivery outlet
12 are electrically connected with the anodes of two sections of DC bus 6, and the first anti-electrical connection of check diode 3 is arranged described first
Between positive delivery outlet 12 and the anode of two sections of DC bus 6, the positive direction of the first anti-check diode 3 is directed toward two sections directly
The anode of bus 6 is flowed, first cathode input port 13 and the cathode of one section of DC bus 5 are electrically connected, first cathode
Delivery outlet 14 and the cathode of two sections of DC bus 6 are electrically connected.
Described second positive input port 21 and the anode of two sections of DC bus 6 are electrically connected, the described second positive delivery outlet
22 are electrically connected with the anode of one section of DC bus 5, and the second anti-electrical connection of check diode 4 setting is in second anode
Between delivery outlet 22 and the anode of one section of DC bus 5, the positive direction of the second anti-check diode 4 is directed toward one section of direct current mother
The anode of line 5, second cathode input port 23 and the cathode of two sections of DC bus 6 are electrically connected, the second cathode output
Mouth 24 and the cathode of one section of DC bus 5 are electrically connected.
By the first isolation DC/DC power cell 1 and the output voltage of the second isolation DC/DC power cell 2
It is set as the voltage of slightly less than two sections DC bus.In this embodiment, two sections of DC bus are DC220V system, so
It is described first isolation DC/DC power cell 1 and it is described second isolation DC/DC power cell 2 output voltage setting be
210V.When can ensure that two sections of DC bus are normal in this way, the first isolation DC/DC power cell 1 and second isolation
The not output power of DC/DC power cell 2.
When certain section of DC bus breaks down, busbar voltage is fallen, when its Voltage Drop to DC/DC power cell exports
When below voltage, which powers to load, maintains bussed supply uninterrupted.It is specific at this
In embodiment, when wherein one section DC bus fault and voltage be lower than 210V when, it is described first isolation DC/DC power cell 1
And the second isolation DC/DC power cell 2 is the DC bus output power of the segment fault.
When the failure DC bus occur short circuit when, it is described first isolation DC/DC power cell 1 and described second every
From the output electric current that DC/DC power cell 2 can limit the short-circuit DC bus of this section in time, it is ensured that another section of DC bus 5
It operates normally.
The interconnection of the utility model two sections of buses suitable for the DC power systems such as electric system.
Claims (4)
1. a kind of intelligent DC busbar coupler, it is characterised in that: it includes the first isolation DC/DC power cell (1), the
Two isolation DC/DC power cell (2), the first anti-check diode (3) and the second anti-check diode (4), described first every
DC/DC power cell (2) is isolated with described second from DC/DC power cell (1) and is connected to one section of DC bus and two
Between section DC bus, first anti-check diode (3) setting is in first isolation DC/DC power cell (1) and two
Between section DC bus, second anti-check diode (4) setting is in second isolation DC/DC power cell (2) and one
Between section DC bus.
2. a kind of intelligent DC busbar coupler according to claim 1, it is characterised in that: first isolation
It is defeated that the first positive input port (11), the first positive delivery outlet (12), the first cathode are respectively arranged on DC/DC power cell (1)
Entrance (13) and the first cathode delivery outlet (14), it is described second isolation DC/DC power cell (2) on be respectively arranged with second just
Pole input port (21), the second positive delivery outlet (22), the second cathode input port (23) and the second cathode delivery outlet (24).
3. a kind of intelligent DC busbar coupler according to claim 2, it is characterised in that: first anode is defeated
Entrance (11) and the anode of one section of DC bus are electrically connected, and the described first positive delivery outlet (12) and two sections of DC bus are just
Pole is electrically connected, and first anti-check diode (3) the electrical connection setting is straight in the described first positive delivery outlet (12) and two sections
Between the anode for flowing bus, the positive direction of the first anti-check diode (3) is directed toward the anode of two sections of DC bus, and described the
One cathode input port (13) and the cathode of one section of DC bus are electrically connected, the first cathode delivery outlet (14) and two sections of direct currents
The cathode of bus is electrically connected.
4. a kind of intelligent DC busbar coupler according to claim 3, it is characterised in that: second anode is defeated
Entrance (21) and the anode of two sections of DC bus are electrically connected, and the described second positive delivery outlet (22) and one section of DC bus are just
Pole is electrically connected, and second anti-check diode (4) the electrical connection setting is straight in the described second positive delivery outlet (22) and one section
Between the anode for flowing bus, the positive direction of the second anti-check diode (4) is directed toward the anode of one section of DC bus, and described the
Two cathode input ports (23) and the cathode of two sections of DC bus are electrically connected, the second cathode delivery outlet (24) and one section of direct current
The cathode of bus is electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820917031.7U CN208316404U (en) | 2018-06-14 | 2018-06-14 | A kind of intelligent DC busbar coupler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820917031.7U CN208316404U (en) | 2018-06-14 | 2018-06-14 | A kind of intelligent DC busbar coupler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208316404U true CN208316404U (en) | 2019-01-01 |
Family
ID=64708191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820917031.7U Active CN208316404U (en) | 2018-06-14 | 2018-06-14 | A kind of intelligent DC busbar coupler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208316404U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020147109A1 (en) * | 2019-01-18 | 2020-07-23 | Abb Schweiz Ag | Pv power converter |
-
2018
- 2018-06-14 CN CN201820917031.7U patent/CN208316404U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020147109A1 (en) * | 2019-01-18 | 2020-07-23 | Abb Schweiz Ag | Pv power converter |
| CN113424429A (en) * | 2019-01-18 | 2021-09-21 | Abb瑞士股份有限公司 | PV power converter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107732894B (en) | Three-terminal direct current transmission system and control method of converter station thereof | |
| CN106253465A (en) | Communication base station hybrid power supply and energy-storage system | |
| CN203504285U (en) | UPS integrated power supply | |
| CN102457061A (en) | Photovoltaic generating system and electric power supply of same | |
| CN110011408A (en) | A kind of moving emergency power-supply system and its working method | |
| CN203071637U (en) | DC power supply connection control apparatus | |
| CN109450080A (en) | A kind of automatic redundancy zero propagation switching system of two dc power supply and method | |
| CN211089218U (en) | High-capacity high-reliability rapid power supply switching device | |
| CN104578170A (en) | High-low-voltage ride-through device of thermal power generating unit auxiliary frequency converter | |
| CN208316404U (en) | A kind of intelligent DC busbar coupler | |
| CN219801959U (en) | Energy storage conflux cabinet and use energy storage system of this energy storage conflux cabinet | |
| CN209170039U (en) | A kind of automatic redundancy zero propagation switching system of two dc power supply | |
| CN204706895U (en) | Fossil power plant auxiliary engine frequency converter high-low voltage traversing device | |
| CN207603211U (en) | A kind of three end DC transmission systems | |
| CN208190343U (en) | One kind supplies power with double circuit system | |
| CN207265736U (en) | A kind of DC operation power supply system | |
| CN106300632B (en) | DC uninterrupted remote electric power system | |
| CN112290520B (en) | Grounding fault protection method for metal return line of three-terminal direct-current power transmission system | |
| CN205864051U (en) | Many power supplys change controller switching equipment automatically | |
| CN202957583U (en) | Switching power device with alternating current input over-voltage protection function | |
| CN211556951U (en) | Power supply circuit and auxiliary power supply circuit | |
| CN203859490U (en) | Circuit for solving protection switch breaking in parallel power supply DC system short circuit | |
| CN209823504U (en) | Automatic switching system for control power supply of low-voltage contact cabinet | |
| CN210693533U (en) | Open-circuit protection device for storage battery pack of transformer substation | |
| CN110504670B (en) | Power supply system and power supply method of direct-current power distribution network |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Hengqin Financial Investment International Finance Leasing Co.,Ltd. Assignor: ZHUHAI TITANS TECHNOLOGY Co.,Ltd. Contract record no.: X2022980021491 Denomination of utility model: An Intelligent DC Bus Connection Device Granted publication date: 20190101 License type: Exclusive License Record date: 20221115 |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An Intelligent DC Bus Connection Device Effective date of registration: 20221118 Granted publication date: 20190101 Pledgee: Hengqin Financial Investment International Finance Leasing Co.,Ltd. Pledgor: ZHUHAI TITANS TECHNOLOGY Co.,Ltd. Registration number: Y2022980022396 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20190101 Pledgee: Hengqin Financial Investment International Finance Leasing Co.,Ltd. Pledgor: ZHUHAI TITANS TECHNOLOGY Co.,Ltd. Registration number: Y2022980022396 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Hengqin Financial Investment International Finance Leasing Co.,Ltd. Assignor: ZHUHAI TITANS TECHNOLOGY Co.,Ltd. Contract record no.: X2022980021491 Date of cancellation: 20240426 |
|
| EC01 | Cancellation of recordation of patent licensing contract |