CN211405584U - Uninterrupted power supply control circuit of energy storage control system - Google Patents
Uninterrupted power supply control circuit of energy storage control system Download PDFInfo
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- CN211405584U CN211405584U CN201922411793.7U CN201922411793U CN211405584U CN 211405584 U CN211405584 U CN 211405584U CN 201922411793 U CN201922411793 U CN 201922411793U CN 211405584 U CN211405584 U CN 211405584U
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- 238000004146 energy storage Methods 0.000 title claims abstract description 24
- 238000010280 constant potential charging Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The utility model discloses an energy storage control system uninterrupted power supply control circuit, which comprises a high-voltage power supply circuit and a low-voltage power supply circuit, wherein the high-voltage power supply circuit comprises a high-voltage direct current circuit part and a high-voltage alternating current circuit part; the control management system BMS is supplied with power supply energy through the AC/DC module and the 12V storage battery, so that when the AC/DC module stops working, the control management system BMS can still normally work, timely supply is achieved for the power utilization condition of a user, and an uninterrupted power supply control circuit is formed.
Description
Technical Field
The utility model relates to a low voltage control system's supply circuit among the energy storage system especially relates to the incessant power supply control circuit of energy storage control system who prevents the abnormal outage of control management system BMS low pressure power supply.
Background
The control management system BMS is a component part provided with the energy storage system and is a control center of the energy storage system, the control management system BMS monitors the running state of the energy storage equipment and controls the running of the energy storage system, and when the power grid side is cut off, the energy storage system is used as a prepared power supply to supply power for the power grid in time. At present, most of the power supply modes for the BMS are single, and the normal work of the BMS cannot be guaranteed when the power supply modes fail.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide an uninterruptible power supply control circuit of an energy storage control system, which provides two power supplies for a control management system BMS, and when any one power supply fails, the other power supply can also ensure the normal operation of the control management system BMS.
The utility model discloses an energy storage control system uninterrupted power supply control circuit, which comprises a high-voltage power supply circuit and a low-voltage power supply circuit, wherein the high-voltage power supply circuit comprises a high-voltage direct current circuit part and a high-voltage alternating current circuit part;
the high-voltage direct-current circuit part comprises the following specific connecting circuits: the positive pole of the DC energy storage box is connected with one end of a high-voltage cable, the other end of the high-voltage cable penetrates through the current sensor and is sequentially connected with the negative pole of the fuse, the positive pole of the fuse, the negative pole of the first contactor, the positive pole of the AC-DC converter, the negative pole of the AC-DC converter, the positive pole of the second contactor, the negative pole of the second contactor and the negative pole of the DC energy storage box, and the DC energy storage box is used for outputting standby electric energy;
the high-voltage alternating current circuit part is specifically connected with a circuit as follows: the zero line, the live wire and the ground wire of the alternating current output end of the alternating current-direct current converter are respectively connected with the input ends of the zero line, the live wire and the ground wire of the alternating current network end through high-voltage cables;
the specific connecting circuit of the low-voltage power supply circuit is as follows: the positive and negative electrodes of the AC/DC module and the 12V storage battery are connected in parallel through a low-voltage cable to form a parallel low-voltage power supply circuit, and the positive and negative electrodes of the control management system are respectively connected with the positive and negative electrodes of the parallel low-voltage power supply circuit through leads;
and one control management system is respectively connected with the current sensor, the fuse, the first contactor, the alternating current-direct current converter, the alternating current network end and the signal input end of the second contactor in the high-voltage power circuit through control lines, and controls the conduction of the high-voltage power supply circuit through the control management system.
The invention has the beneficial effects that: for control management system BMS power supply through two kinds of power supply modes, when the AC/DC module stop work, the 12V battery guarantees normal work for control management system BMS provides the power, can not make control management system BMS stop work because of the condition of AC/DC module low voltage outage to for 12V battery constant voltage charging after the AC/DC module normally works, guarantee that the electric quantity of battery is sufficient.
Drawings
Fig. 1 is a schematic structural diagram of an uninterruptible power supply control circuit of an energy storage control system of the present invention.
Detailed Description
The invention will now be further described by way of specific examples with reference to the accompanying figure 1:
as shown in fig. 1, the utility model discloses an energy storage control system uninterrupted power supply control circuit, including high voltage power supply circuit and low voltage power supply circuit, high voltage power supply circuit includes high voltage dc circuit part and high-pressure alternating current circuit part.
The high-voltage direct-current circuit part comprises the following specific connecting circuits: the positive pole of the DC energy storage box is connected with one end of a high-voltage cable, the other end of the high-voltage cable penetrates through the current sensor and is sequentially connected with the negative pole of the fuse, the positive pole of the fuse, the negative pole of the first contactor S1, the positive pole of the first contactor S1, the positive pole of the AC-DC converter PCS, the negative pole of the AC-DC converter PCS, the positive pole of the second contactor S2, the negative pole of the second contactor S2 and the negative pole of the DC energy storage box, and the DC energy storage box is used for outputting standby electric energy;
the high-voltage alternating current circuit part is specifically connected with a circuit as follows: the zero line N, the live wire L and the ground wire E of the alternating current output end of the alternating current-direct current converter PCS are respectively connected with the input ends of the zero line N, the live wire L and the ground wire E of the alternating current network end through high-voltage cables, and the zero line N, the live wire L and the ground wire E of the alternating current output end of the alternating current network end are respectively connected with the input ends of the zero line N, the live wire L and the ground wire E of the AC/DC module;
the specific connecting circuit of the low-voltage power supply circuit is as follows: the positive and negative electrodes of the AC/DC module and the 12V storage battery are connected in parallel through a low-voltage cable to form a parallel low-voltage power supply circuit, and the positive and negative electrodes of the control management system BMS are respectively connected with the positive and negative electrodes of the parallel low-voltage power supply circuit through leads;
a control management system BMS is respectively connected with a current sensor, a fuse, a first contactor S1, an AC-DC converter PCS, an AC network end and a signal input end of a second contactor S2 in a high-voltage circuit through control lines, and the control management system BMS controls the conduction of a high-voltage power supply circuit;
when the alternating current network end is powered off, the AC/DC module stops working, and the 12V storage battery provides power for the control management system BMS to ensure normal working. The control management system BMS receives alternating current network end outage signal, and in time control first contactor S1 and second contactor S2 are closed and provide the electric energy for the electric wire netting end, and when the alternating current network end recovered normal, the normal work of AC/DC module continued for the control management system BMS power supply to for 12V battery constant voltage charging, form uninterrupted power supply circuit.
Claims (1)
1. The utility model provides an energy storage control system incessant power supply control circuit which characterized in that: the high-voltage power supply circuit comprises a high-voltage power supply circuit and a low-voltage power supply circuit, wherein the high-voltage power supply circuit comprises a high-voltage direct current circuit part and a high-voltage alternating current circuit part;
the high-voltage direct-current circuit part comprises the following specific connecting circuits: the positive pole of the DC energy storage box is connected with one end of a high-voltage cable, the other end of the high-voltage cable penetrates through the current sensor and is sequentially connected with the negative pole of the fuse, the positive pole of the fuse, the negative pole of the first contactor, the positive pole of the AC-DC converter, the negative pole of the AC-DC converter, the positive pole of the second contactor, the negative pole of the second contactor and the negative pole of the DC energy storage box, and the DC energy storage box is used for outputting standby electric energy;
the high-voltage alternating current circuit part is specifically connected with a circuit as follows: the zero line, the live wire and the ground wire of the alternating current output end of the alternating current-direct current converter are respectively connected with the input ends of the zero line, the live wire and the ground wire of the alternating current network end through high-voltage cables;
the specific connecting circuit of the low-voltage power supply circuit is as follows: the positive and negative electrodes of the AC/DC module and the 12V storage battery are connected in parallel through a low-voltage cable to form a parallel low-voltage power supply circuit, and the positive and negative electrodes of the control management system are respectively connected with the positive and negative electrodes of the parallel low-voltage power supply circuit through leads;
and one control management system is respectively connected with the current sensor, the fuse, the first contactor, the alternating current-direct current converter, the alternating current network end and the signal input end of the second contactor in the high-voltage power circuit through control lines, and controls the conduction of the high-voltage power supply circuit through the control management system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922411793.7U CN211405584U (en) | 2019-12-28 | 2019-12-28 | Uninterrupted power supply control circuit of energy storage control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922411793.7U CN211405584U (en) | 2019-12-28 | 2019-12-28 | Uninterrupted power supply control circuit of energy storage control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211405584U true CN211405584U (en) | 2020-09-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922411793.7U Active CN211405584U (en) | 2019-12-28 | 2019-12-28 | Uninterrupted power supply control circuit of energy storage control system |
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| Country | Link |
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| CN (1) | CN211405584U (en) |
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2019
- 2019-12-28 CN CN201922411793.7U patent/CN211405584U/en active Active
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