CN105515046A - Black starter - Google Patents
Black starter Download PDFInfo
- Publication number
- CN105515046A CN105515046A CN201511019458.2A CN201511019458A CN105515046A CN 105515046 A CN105515046 A CN 105515046A CN 201511019458 A CN201511019458 A CN 201511019458A CN 105515046 A CN105515046 A CN 105515046A
- Authority
- CN
- China
- Prior art keywords
- contactor
- switch
- power module
- black starting
- battery modules
- 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
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/001—Methods to deal with contingencies, e.g. abnormalities, faults or failures
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/388—Islanding, i.e. disconnection of local power supply from the network
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention relates to a black starter comprising a contactor, a power module, and a first switch. The main contact of the contactor is connected in series between battery modules of an energy storage apparatus. The power module is connected in parallel with the battery modules. The first switch is connected in parallel with the main contact of the contactor. The coil of the contactor is connected with the output end of the power module. When the first switch is switched on, the battery modules power the power module and the power module powers the coil of the contactor. Therefore, the coil is closed and the main contact of the contactor is switched on to achieve self-locking. As a result, the black start of the energy storage apparatus is achieved. The black starter is able to effectively simplify the black start process of the energy storage apparatus and reduce the cost of the black start.
Description
Technical field
The present invention relates to technical field of electric power, particularly relate to a kind of black starting-up device.
Background technology
Along with the pay attention to day by day of people's environmental pollution, various countries drop into increasing attention to utilization of new energy resources, and energy storage device regulates the instable advantage of new forms of energy to be widely used in the every field of utilization of new energy resources because it has preferably.Energy storage device based on electrochemical energy storage when it is applied to off-grid system need can not by external power source realize energy storage device starting up or its break down time must be implemented in do not input by external control power supply, complete the means of self restarting, namely what is often called black starting-up technology.
Comparatively the black-start scheme of main flow is on energy storage device, install uninterrupted power supply (UPS) additional at present, UPS is utilized to provide startup power supply for energy storage device, when not having external ac power source to input, the available stand-by time of battery of UPS is short, need for it separately configures battery, easily make black starting-up process become complicated, and cost increase.
Summary of the invention
Based on this, be necessary the technical problem easily making black starting-up process become complicated for mainstream scheme, a kind of black starting-up device is provided.
A kind of black starting-up device, comprises contactor, power module and the first switch;
The main contact of described contactor is connected in the middle of the battery modules of energy storage device, described power module is connected in parallel on the two ends of described battery modules, described first switch in parallel is at the main contact two ends of described contactor, and the coil of described contactor is connected to power module outlet;
When described first switch closes, described battery modules is that described power module is powered, and described power module is the coil power supply of contactor, and the coil of described contactor obtains electric adhesive, and the main contact of described contactor is connected and realized self-locking, realizes energy storage device black starting-up.
Above-mentioned black starting-up device, a series connection contactor in the middle of the battery modules of energy storage device, the first switch and power module is accessed in above-mentioned comprising in the circuit of contactor, by closed first switch, power module is the coil power supply of contactor, the coil of contactor is made to obtain electric adhesive, the main contact of contactor is connected and is realized self-locking, thus realize the black starting-up of energy storage device, make the black starting-up process of energy storage device without the need to installing uninterrupted power supply additional again, effectively can simplify the black starting-up process of energy storage device, reduce the cost of black starting-up.
Accompanying drawing explanation
Fig. 1 is the energy storage device part-structure schematic diagram of an embodiment;
Fig. 2 is the energy storage device part-structure schematic diagram of an embodiment;
Fig. 3 is the energy storage device part-structure schematic diagram of an embodiment;
Fig. 4 is the energy storage device part-structure schematic diagram of a preferred embodiment.
Embodiment
Be described in detail below in conjunction with the embodiment of accompanying drawing to black starting-up device provided by the invention.
With reference to figure 1, Figure 1 shows that the energy storage device part-structure schematic diagram of an embodiment, as shown in Figure 1, the black starting-up device of above-mentioned energy storage device is as shown in structure in Fig. 1 100, and it can comprise contactor, power module 14 and the first switch 16; Above-mentioned contactor comprises main contact 11 and coil 12;
The main contact 11 of described contactor is connected in the middle of the battery modules 18 of energy storage device, described power module 14 is connected in parallel on the two ends of described battery modules 18, described first switch 16 is connected in parallel on main contact 11 two ends of described contactor, and the coil 12 of described contactor is connected in parallel on power module 14 output;
When described first switch 16 closes, described battery modules 18 is powered for described power module 14, and described power module 14 is that the coil 12 of contactor is powered, and the coil 12 of described contactor obtains electric adhesive, the main contact 11 of described contactor is connected and is realized self-locking, realizes energy storage device black starting-up.
The working power of above-mentioned energy storage device can be battery bunch; Above-mentioned battery bunch can comprise several battery modules 18, the number of above-mentioned battery modules 18 can be arranged according to the power of the input voltage range of described power module 14 and corresponding energy storage device and capacity, 15 can be set to, also the number of above-mentioned battery modules 18 can be set to other values; Above-mentioned battery bunch is the minimum unit of energy storage device battery management.The main contact of above-mentioned contactor can be connected in battery modules between the n-th battery bunch and (n+1)th battery bunch (n is the positive integer being less than battery modules number), such as, if above-mentioned battery bunch number is 15, the main contact of above-mentioned contactor can be connected between the 7th battery modules and the 8th battery modules; The main contact of above-mentioned contactor is connected in the middle of corresponding battery modules, off-the-line effect can be played, namely when energy storage device is out of service, a battery bunch corresponding major loop can be made to be in off-state by the main contact disconnection of control contactor, the total positive and negative end Non voltage output of battery bunch, to guarantee equipment and personal safety.
Above-mentioned power module can be the DC/DC power supply of input voltage range 450 ~ 800V (volt), and its output voltage can be DC24V, and above-mentioned abbreviation DC represents direct current.Above-mentioned first switch 16 can comprise multiple disconnecting link, can close by controlling multiple disconnecting link simultaneously or disconnect, with the connection of the coil 12 of control contactor.
The black starting-up device that the present embodiment provides, a series connection contactor in the middle of the battery modules 18 of energy storage device, the first switch 16 and power module 14 is accessed in above-mentioned comprising in the circuit of contactor, by closed first switch 16, power module 14 is that the coil 12 of contactor is powered, the coil 12 of contactor is made to obtain electric adhesive, the main contact 11 of contactor is connected and is realized self-locking, thus realize the black starting-up of energy storage device, make the black starting-up process of energy storage device without the need to installing uninterrupted power supply additional again, effectively can simplify the black starting-up process of energy storage device, reduce the cost of black starting-up.
With reference to figure 2, Figure 2 shows that the energy storage device part-structure schematic diagram of an embodiment, as shown in Figure 2, the black starting-up device of energy storage device can also comprise second switch 17, described second switch 17 is connected on described power module output loop, as shown in Figure 2, above-mentioned second switch 17 can be connected between described power module 14 output and the coil 12 of contactor;
When described second switch 17 disconnects, the coil 12 loop open circuit dead electricity of described contactor, the main contact 11 of contactor disconnects, and described power module 14 dead electricity, described energy storage device quits work.
The present embodiment by connecting second switch 17 between described power module 14 output and the coil 12 of contactor, when energy storage device occurs that relevant abnormalities situation needs to quit work, above-mentioned second switch 17 can be disconnected, make the coil 12 loop open circuit dead electricity of contactor, the main contact 11 of contactor disconnects, stop the power supply to corresponding power module 14 input circuit, the process for above-mentioned relevant abnormalities situation provides a safer stable environment.
As an embodiment, above-mentioned second switch is scram button, also can be other forms of push-button switch or the identical device of function.
In the present embodiment, above-mentioned second switch adopts scram button, can stop corresponding power supply comparatively rapidly, contribute to improving the adaptability to changes of corresponding energy storage device to unusual condition.
With reference to figure 3, Figure 3 shows that the energy storage device part-structure schematic diagram of an embodiment, as shown in Figure 3, the black starting-up device of above-mentioned energy storage device can also comprise indicator light 21, described indicator light 21 is connected in parallel on the output of described power module 14, and described indicator light 21 is lighted when the coil 12 that power module 14 is contactor is powered.
The present embodiment connects indicator light 21 at the output of power module 14, electric adhesive is obtained at the coil 12 of contactor, the main contact 11 of contactor is connected and is realized self-locking when making energy storage device startup work, above-mentioned indicator light 21 is lit, and can improve the convenience that relevant staff controls energy storage device operating state.
As shown in Figure 3, above-mentioned black starting-up device can also comprise current measuring device 22, and described current measuring device 22 is connected in the major loop of described battery modules 18; Described current measuring device 22 is for detecting the electric current of upper described battery modules 18.
The present embodiment adopts current measuring device 22 to detect the electric current of upper described battery modules 18, the monitoring capacity to electric current in corresponding circuit can be improved, the size of current detected at above-mentioned current measuring device 22 occurs abnormal, such as excessive or too small time, relevant staff can take counter-measure in time, further ensures the fail safe in the corresponding circuit course of work.
As an embodiment, above-mentioned current measuring device can be Hall current sensor, also can be shunt.
The present embodiment adopts Hall current sensor to detect the electric current of battery modules 18, the accuracy of detection of phase induced current can be improved, in addition, it is little, lightweight and be easy to the features such as installation that above-mentioned Hall current sensor also has volume, thus can improve the convenience of above-mentioned current detecting process.
In one embodiment, above-mentioned first switch can be spring reset type switch.
The present embodiment adopts the connection of spring reset type switch control rule contactor coil, and the button pressing above-mentioned spring reset type just can realize it and close, and can simplify the operation of the first switch, thus simplify the control procedure to corresponding contact device.
As shown in Figure 3, above-mentioned black starting-up device can also comprise the first fuse 23, and described first fuse 23 is connected with described first switch 16;
Described first fuse 23 is for exceeding the rated current of described first switch 16 during at the electric current passed through, fuse.
The present embodiment is connected in one end of the first switch 16 the first fuse 23, when excessive by the electric current of the first switch 16 place branch road, the rated current of described first switch 16 is such as exceeded by the electric current of the first switch 16 place branch road, when above-mentioned first switch 16 may be burnt, above-mentioned first fuse 23 fuses, this branch road is made to stop energising, appearance first switch 16 can be avoided excessive and occur the technical problem of accidents such as burning, for above-mentioned first switch 16 provides safer operational environment owing to flowing through electric current.
As shown in Figure 3, above-mentioned black starting-up device can also comprise the second fuse 24, and described second fuse 24 is connected between described battery modules 18 and power module 14;
Described second fuse 24 is for exceeding described setting current value during at the electric current passed through, fuse.
Above-mentioned setting current value can be arranged according to parameter attributes such as the model of battery modules 18 or power module 14, rated power or rated current, such as, be set to 5A (ampere) equivalent.
Above-mentioned black starting-up device can also comprise the 3rd fuse 25, second fuse 24 as shown in Figure 3 and the 3rd fuse 25 can be connected serially to the two ends that power module 14 is connected with battery modules 18 respectively.
The present embodiment connects the second fuse 24 between battery modules 18 and power module 14, and when in corresponding circuit, electric current is excessive, above-mentioned second fuse 24 fuses, and this loop is quit work, can improve the fail safe of related circuit.
In one embodiment, above-mentioned power module can be DC power supply, and described contactor can be D.C. contactor.
In the present embodiment, adopt DC power supply to be corresponding equipment and load supplying, can ensure that it is for electrical stability.
With reference to figure 4, Figure 4 shows that the energy storage device part-structure schematic diagram of a preferred embodiment, as shown in Figure 4, the black starting-up device of above-mentioned energy storage device can comprise contactor, power module 14, first switch 16, second switch 17, indicator light 21, current measuring device 22, first fuse 23, second fuse 24, the 3rd fuse 25 and the 4th fuse 33; Above-mentioned contactor comprises main contact 11 and coil 12;
The main contact 11 of described contactor, current measuring device 22 and the 4th fuse 33 can be connected in the middle of the battery modules 18 of energy storage device successively;
Described power module 14 is connected in parallel on the two ends of described battery modules 18;
Described second fuse 24 and the 3rd fuse 25 are connected on described power module 14 input positive and negative electrode respectively;
After described first switch 16 and the first fuse 23 are connected, more in parallel with the main contact 11 of described contactor, the coil 12 of described contactor is connected in parallel between power module 14 output and working power;
Between the output that described second switch 17 is connected on described power module 14 and working power;
The positive pole of described battery modules 18 connects the contactor 31 at energy storage device battery bunch total positive pole place by current measuring device 22, the negative pole of battery modules 18 connects the contactor 32 at energy storage device battery bunch total negative pole place;
Above-mentioned first switch 16 closes, and described power module 14 is that the coil 12 of contactor is powered, and the coil 12 of described contactor obtains electric adhesive, and the main contact 11 of described contactor is connected and realized self-locking, realizes energy storage device black starting-up; Described second switch 17 disconnects, the coil 12 loop open circuit dead electricity of described contactor, and the main contact 11 of contactor disconnects, described power module 14 dead electricity, and described energy storage device quits work;
Above-mentioned current measuring device 22 for detecting the electric current of upper described battery modules 18, to improve the monitoring capacity to electric current in corresponding circuit;
Above-mentioned first fuse 23, second fuse 24, the 3rd fuse 25 and the 4th fuse 33 when electric current is excessive in corresponding circuit respectively, fuses, make it quit work in loop, place separately, can improve the fail safe of related circuit.
Each technical characteristic of the above embodiment can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics does not exist contradiction, be all considered to be the scope that this specification is recorded.
The above embodiment only have expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but can not therefore be construed as limiting the scope of the patent.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a black starting-up device, is characterized in that, comprises contactor, power module and the first switch;
The main contact of described contactor is connected in the middle of the battery modules of energy storage device, described power module is connected in parallel on the two ends of described battery modules, described first switch in parallel is at the main contact two ends of described contactor, and the coil of described contactor is connected to power module outlet;
When described first switch closes, described battery modules is that described power module is powered, and described power module is the coil power supply of contactor, and the coil of described contactor obtains electric adhesive, and the main contact of described contactor is connected and realized self-locking, realizes energy storage device black starting-up.
2. black starting-up device according to claim 1, is characterized in that, also comprise second switch, and described second switch is connected on described power module output loop;
When described second switch disconnects, the wire loop open circuit dead electricity of described contactor, the main contact of contactor disconnects, and described power module dead electricity, described energy storage device quits work.
3. black starting-up device according to claim 2, is characterized in that, described second switch is scram button.
4. black starting-up device according to claim 1, is characterized in that, also comprise indicator light, and described indicator light is connected in parallel on the output of described power module, and described indicator light is lighted when power module is the coil power supply of contactor.
5. black starting-up device according to claim 1, is characterized in that, also comprise current measuring device, and described current measuring device is connected in the major loop of described battery modules; Described current measuring device is for detecting the electric current of described battery modules.
6. black starting-up device according to claim 5, is characterized in that, described current measuring device is Hall current sensor.
7. black starting-up device according to claim 1, is characterized in that, described first switch is spring reset type switch.
8. black starting-up device according to claim 1, is characterized in that, also comprises the first fuse, and described first fuse is connected with described first switch;
Described first fuse is used for when the electric current passed through exceedes the rated current of described first switch, fuses.
9. black starting-up device according to claim 1, is characterized in that, also comprises the second fuse, and described second fuse is connected between described battery modules and power module;
Described second fuse is used for when the electric current passed through exceedes described setting current value, fuses.
10. black starting-up device according to claim 1, is characterized in that, described power module is DC power supply, and described contactor is D.C. contactor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511019458.2A CN105515046B (en) | 2015-12-29 | 2015-12-29 | Black starting-up device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511019458.2A CN105515046B (en) | 2015-12-29 | 2015-12-29 | Black starting-up device |
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| Publication Number | Publication Date |
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| CN105515046A true CN105515046A (en) | 2016-04-20 |
| CN105515046B CN105515046B (en) | 2019-06-04 |
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| CN201511019458.2A Active CN105515046B (en) | 2015-12-29 | 2015-12-29 | Black starting-up device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107749632A (en) * | 2017-10-18 | 2018-03-02 | 珠海格力电器股份有限公司 | A kind of energy-storage system and its control method |
| CN112186878A (en) * | 2020-08-27 | 2021-01-05 | 量道(深圳)储能科技有限公司 | Black start circuit structure of low-voltage energy storage system and control method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112186878A (en) * | 2020-08-27 | 2021-01-05 | 量道(深圳)储能科技有限公司 | Black start circuit structure of low-voltage energy storage system and control method |
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|---|---|
| CN105515046B (en) | 2019-06-04 |
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