CN214201710U - Novel storage battery remote maintenance system - Google Patents

Novel storage battery remote maintenance system Download PDF

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Publication number
CN214201710U
CN214201710U CN202023288585.1U CN202023288585U CN214201710U CN 214201710 U CN214201710 U CN 214201710U CN 202023288585 U CN202023288585 U CN 202023288585U CN 214201710 U CN214201710 U CN 214201710U
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storage battery
battery pack
direct current
discharge
electric switch
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王继才
鲁继超
崔彪
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Liaoning Haoju Technology Co ltd
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Liaoning Haoju Technology Co ltd
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Abstract

The utility model relates to a novel storage battery remote maintenance system, which comprises a main control unit, a storage battery monitoring unit, a plurality of storage battery monomer modules, an AC/DC acquisition unit and a discharge inverter, wherein the storage battery monomer modules acquire the voltage, temperature and internal resistance data of a single storage battery; the storage battery monitoring unit is used for monitoring the current, voltage and temperature data of the storage battery pack and integrating the voltage, temperature and internal resistance data of a single storage battery; the alternating current and direct current acquisition unit is used for monitoring the alternating current and direct current bus voltage of the system; the discharge inverter is used for converting the direct current output by the storage battery pack into alternating current to feed back to the power grid; the main control unit is used for analyzing the state of the storage battery pack in real time according to the collected data, controlling the action of the electric switch to perform the storage battery pack capacity test and controlling the work of the discharge inverter. The system combines daily storage battery monitoring to increase power supply robustness; the checking discharge test is automatically simulated manually, so that the operation and maintenance workload is greatly reduced, and the working quality is improved.

Description

Novel storage battery remote maintenance system
Technical Field
The utility model belongs to the technical field of the automatic control technique and specifically relates to a battery remote maintenance technical field of transformer substation, concretely relates to novel battery remote maintenance system.
Background
The storage battery of the transformer substation is used as a backup power supply in the power supply system, and is a direct-current power supply. The device is used as the only device for supplying power to the outside by a direct current system in a power system and a communication system, and the performance of the device is directly related to the safety and reliability of the power system and the communication system. Therefore, the stability of the battery and its capacity discharged during the actual discharge process are of great importance to ensure the proper operation of the electrical equipment.
The nuclear capacity discharge is the most effective means for detecting the power supply capacity of the storage battery, and a nuclear capacity discharge test of a newly-installed battery is required in eighteen power grid major anti-accident measures of 2018 national power grid company for 2 years, and a nuclear capacity discharge test is required after 4 years. The traditional on-site nuclear capacity operation is heavy in task, consumes a large amount of manpower and material resources, has long time for one-time discharging and charging tests, has high labor intensity of maintenance personnel, is easy to cause fatigue work to reduce the working quality, and can not meet the operation and maintenance requirements specified by regulations due to the configuration of the operation and maintenance personnel at present.
Meanwhile, the life of the storage battery is directly related to the float charge operation mode, the operation temperature, the battery quality and the like, and the deterioration of the performance and the reduction of the capacity of the storage battery are generally expressed as the increase of the internal resistance and the temperature. The change in internal resistance is a slow process, but a failure or open circuit of a battery is generally a qualitative change caused by a quantitative change. The traditional annual manual measurement of internal resistance is difficult to accurately judge and predict the battery and detect the open circuit of degeneration.
SUMMERY OF THE UTILITY MODEL
The utility model provides a novel storage battery remote maintenance system aiming at the technical problems in the prior art, which combines the daily storage battery monitoring to increase the power supply stability and robustness of the direct current system; meanwhile, the maintenance system can automatically simulate manual checking discharge tests, so that the operation and maintenance workload is greatly reduced, and the working quality is improved; the electric energy of the storage battery pack is fed back to the power grid in the discharging test process, and the discharging test method is more environment-friendly than the traditional load type discharging method.
The utility model provides an above-mentioned technical problem's technical scheme as follows:
a novel storage battery remote maintenance system is arranged on a storage battery pack and a charger, the storage battery pack is respectively connected with a direct current bus and the charger through an electric switch DK12 and an electric switch DK13, the input end of the charger is connected with a power grid, the output end of the charger is connected with the direct current bus through an electric switch DK11, the system comprises a main control unit, a storage battery monitoring unit, a plurality of storage battery monomer modules, an alternating current and direct current acquisition unit and a discharge inverter,
the storage battery monomer modules are connected with the single storage batteries in a one-to-one correspondence mode and are used for collecting voltage, temperature and internal resistance data of the single storage batteries;
the storage battery monitoring unit is respectively connected with the storage battery monomer module and the storage battery pack and is used for monitoring current, voltage and temperature data of the storage battery pack and integrating voltage, temperature and internal resistance data of a single storage battery;
the input end of the alternating current and direct current acquisition unit is respectively connected with the input end of the charger and the direct current bus and is used for monitoring the alternating current and direct current bus voltage of the system;
the input end of the discharge inverter is connected with the storage battery pack through an electric switch DK15, and the output end of the discharge inverter is connected with a power grid and used for converting direct current output by the storage battery pack into alternating current to feed back to the power grid;
the signal input end of the main control unit is connected with the storage battery monitoring unit and the alternating current and direct current acquisition unit, and the signal output end of the main control unit is respectively connected with the control end of the discharge inverter and the control ends of all the electric switches and is used for analyzing the state of the storage battery pack in real time according to acquired data, controlling the action of the electric switches to perform a nuclear capacity test of the storage battery pack and controlling the work of the discharge inverter.
Further, the system is arranged on at least two groups of direct current buses, any two groups of direct current buses are connected through an electric switch DK1, and a control end of the electric switch DK1 is connected with the main control unit; each group of direct current buses is correspondingly provided with the storage battery pack and the charger, and each group of storage battery pack is connected to one group of discharge inverters.
Further, the storage battery monitoring unit comprises a current acquisition module, and the current acquisition module is connected with the storage battery pack in series.
Further, the storage battery monitoring unit comprises a temperature sensor which is fixedly arranged on the storage battery pack.
Further, the storage battery monitoring unit comprises a voltage sampling module, and the voltage sampling module is connected with the storage battery pack.
Further, the system is also provided with an air switch, an air switch DK14 is arranged between the storage battery pack and the direct current input end of the discharge inverter, and an air switch JK2 is arranged between the alternating current output end of the discharge inverter and a power grid.
Furthermore, the system also comprises a display screen, wherein the display screen is connected with the main control unit and used for providing a man-machine interaction page.
Further, the main control unit, the alternating current and direct current acquisition unit, the electric switches, the discharge inverter and the display screen are integrated into a charge-discharge screen.
Furthermore, the system also comprises a remote monitoring platform which is in communication connection with the main control unit.
The utility model has the advantages that:
1. the checking nature discharge test that only has the year basically is maintained to current battery, the technical scheme of the utility model combine daily battery monitoring with battery check capacity test, can increase direct current system's power supply stability, robustness. Meanwhile, the maintenance system can automatically simulate manual checking discharge tests, so that the operation and maintenance workload is greatly reduced, and the working quality is improved.
2. In the prior art, online discharge generally exists, or discharge is carried out by adjusting the output voltage of a charger, so that potential safety hazards exist. Particularly, on-line discharge can only achieve half nuclear capacity, while integrated discharge cannot achieve full nuclear capacity accurately due to the voltage regulation limitation of a charger; the system can perform full-core capacity.
3. The maintenance system is innovatively combined with a direct-current system, and an electric switch is directly used for replacing a common manual changeover switch in the current direct-current system, so that on one hand, remote switch operation is supported, and on the other hand, on-site operation and inspection work recording and monitoring are supported, so that the inspection of the whole storage battery system can be recorded and traced.
4. Direct current of the storage battery pack is converted into alternating current in the discharging process and fed back to a power grid, and compared with the traditional load type discharging, the charging type discharging device is more environment-friendly.
5. The big data analysis has enough data volume support due to multi-station management, can perform transverse and longitudinal multi-dimensional comparison of data, and continuously optimizes the management level of the storage battery.
Drawings
FIG. 1 is a schematic diagram of the system of the present invention;
FIG. 2 is a schematic diagram of the positions of the switches in the system of the present invention;
fig. 3 is the utility model discloses battery monitoring unit and battery monomer module installation picture.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
The purpose of this patent is for the storage battery group that uses in transformer substation, oil, communication trade provides one set and has the multi-functional modularization comprehensive monitoring management system of many state monitoring and long-range online automatic charging and discharging, especially has the condition that two sets of batteries or working battery have reserve battery group in a direct current system. Fig. 2 is a schematic diagram of the positions of the switches in the system, and this embodiment is exemplified by a working scenario with two groups of storage batteries. In this embodiment, two sets of dc buses are provided, and each set of dc bus is provided with a storage battery and a charger matched with the storage battery. The two groups of direct current buses are connected through an electric switch DK1, and when a storage battery nuclear capacity test is carried out, the power supply mode of the tested storage battery pack corresponding to the direct current buses can be switched by controlling the on-off of the electric switch DK 1. For example, when testing the battery pack in one group of dc buses, the connection between the battery pack and the dc buses needs to be disconnected, and at this time, in order not to affect the operation of the loop in which the dc buses are located, the electric switch DK1 may be closed, so that the other group of untested dc buses supplies power to the group of dc buses.
As shown in fig. 1, the novel remote maintenance system for the storage battery provided by this embodiment is arranged on the storage battery pack and the charger. Fig. 2 is a schematic diagram showing the positions of the switches in the system, including two groups of battery packs, which are connected in a similar manner. The connection of the left battery set in fig. 2 is taken as an example for detailed description. The 1# storage battery pack in fig. 2 is connected with a direct-current bus KM1 through an electric switch DK12, and is also connected with a direct-current output end of the 1# charger through an electric switch DK13, an alternating-current input end of the 1# charger is connected with a power grid, and a direct-current output end of the 1# charger is also connected with the direct-current bus KM1 through an electric switch DK 11. The 1# charger converts alternating current of a power grid into direct current, can provide power for a direct current bus KM1 when an electric switch DK11 is closed, and can charge a 1# storage battery pack when an electric switch DK13 is closed. When the power switch DK12 is closed, the 1# battery pack is connected to the dc bus KM 1. Similarly, the 2# storage battery pack, the direct current bus KM2 and the 2# charger on the right side in fig. 2 are connected in the same manner. The 2# storage battery pack is connected with a direct-current bus KM2 through an electric switch DK22 and is also connected with a direct-current output end of the 2# charger through an electric switch DK23, an alternating-current input end of the 2# charger is connected with a power grid, and a direct-current output end of the 2# charger is also connected with a direct-current bus KM2 through an electric switch DK 21. The 2# charger converts alternating current of a power grid into direct current, can provide power for a direct current bus KM2 when the electric switch DK21 is closed, and can charge a 2# storage battery pack when the electric switch DK23 is closed. When the power switch DK22 is closed, the 2# battery pack is connected to the dc bus KM 2.
In this embodiment, the system includes main control unit, battery monitoring unit, a plurality of battery monomer module, alternating current-direct current acquisition unit, discharge inverter, still includes the display screen. Structurally, a main control unit, an alternating current and direct current acquisition unit, each electric switch, a discharge inverter and a display screen are integrated into a charge and discharge screen, so that the hardware volume of the system is reduced. The display screen is in communication connection with the main control unit, a man-machine interaction page is provided by the display screen, workers can operate on the display screen to check various parameters and test data of the system, and meanwhile tests of the storage battery pack can be controlled through the display screen, such as a storage battery pack capacity test.
As shown in fig. 3, the storage battery monitoring unit and the storage battery cell module are installed in a diagram, the storage battery pack is formed by connecting a plurality of storage batteries in series, each storage battery cell module is installed on a single storage battery in a one-to-one correspondence manner, each storage battery cell module is electrically connected with the single storage battery in a one-to-one correspondence manner, and the storage battery cell modules are used for collecting voltage, temperature and internal resistance data of the single storage battery and uploading the data to the storage battery monitoring unit through a dedicated bus.
The storage battery monitoring unit is arranged near the storage battery pack, is electrically connected with the storage battery monomer module and the storage battery pack respectively, and receives real-time data such as voltage, temperature, internal resistance and the like of each battery of the storage battery pack through a special bus.
The storage battery monitoring unit is also provided with a current sensor which is used as a current acquisition module and is connected with the storage battery pack in series so as to acquire current data of the corresponding storage battery pack.
The storage battery monitoring unit is also provided with a temperature sensor which is fixedly arranged on the storage battery pack and used for transmitting the collected storage battery temperature data to the main control unit.
The storage battery monitoring unit is also provided with an AD sampling chip as a voltage sampling module, and the voltage sampling module is connected with the storage battery pack.
The storage battery monitoring unit collects the current, the temperature and the voltage of the storage battery pack through the current sensor, the temperature sensor and the AD sampling chip, receives and integrates storage battery monomer data through the special RS485 communication line, and uploads the storage battery monomer data to the main control unit.
The input end of the alternating current and direct current acquisition unit is respectively connected with the alternating current input end of the charger and the direct current bus, is used for respectively monitoring the alternating current and the direct current bus voltage of the system, and uploads the alternating current and the direct current bus voltage to the main control unit through RS485 communication.
As shown in fig. 2, a plurality of groups of battery packs share a set of discharge inverter, the input end of the discharge inverter is connected with the 1# battery pack through an electric switch DK15, the input end of the discharge inverter is connected with the 2# battery pack through an electric switch DK25, and the output end of the discharge inverter is connected with the power grid through an electric switch JK 1.
The discharge inverter in this embodiment is a three-phase inversion discharge device, the discharge inverter communicates with the main control unit through RS485, three inverters are used for networking to form the discharge inverter in this embodiment (i.e., the three-phase inversion discharge device in fig. 2), direct current is respectively inverted into A, B, C three phases of alternating current, and the alternating current is fed back to a three-phase power grid. The discharging inverter is controlled by the main control unit, and in a regular storage battery checking discharging test, direct current of the storage battery is converted into alternating current and fed back to a power grid, so that the discharging inverter is more environment-friendly than traditional load type discharging.
The signal input ends of the main control unit are respectively connected with the storage battery monitoring unit and the alternating current and direct current acquisition unit, and the signal output end of the main control unit is respectively connected with the control end of the discharge inverter and the control ends of all the electric switches and is used for analyzing the state of the storage battery pack in real time according to acquired data, controlling the action of the electric switches so as to carry out a nuclear capacity test of the storage battery pack and control the work of the discharge inverter.
Each electric switch is controlled by the main control unit, and in the periodic storage battery checking discharge test, the corresponding storage battery pack is safely separated from the direct current bus by switching among the electric switches, and the storage battery pack is connected to the discharge inverter so as to perform automatic discharge. Particularly, the electric control of the electric switch supports remote operation with certain authority, and due to the safety strategy of the system, the operation which causes the abnormal work of the system can be rejected and prompted by the system, so that the maintenance workload can be reduced, and the safety of the equipment can be ensured.
In this embodiment, the system is further provided with an air switch, an air switch is arranged between the storage battery pack and the dc input terminal of the discharge inverter, for example, an air switch DK14 is arranged between the 1# storage battery pack and the dc input terminal of the discharge inverter, an air switch DK24 is arranged between the 2# storage battery pack and the dc input terminal of the discharge inverter, and an air switch JK2 is arranged between the ac output terminal of the discharge inverter and the power grid, so as to further ensure the safety of the system.
As shown in fig. 1, the system further includes a remote monitoring platform, and the main control unit is in communication connection with the remote monitoring platform through an ethernet and performs data interaction. The main control unit realizes control and monitoring of the whole system, uploads data of the whole system to the remote monitoring platform, receives and executes commands of the remote monitoring platform, and preferably, the main control unit is matched with the display screen to support a user to check and operate data at a near end.
The far-end monitoring platform is communicated with the main control units on the near-end charging and discharging screens through the Ethernet to form a network, and multi-station management is achieved. The functions of the system mainly comprise that the information of all storage battery maintenance systems can be checked, the information comprises storage battery manufacturers, the number, the system installation time and the running time, and the operation and maintenance records comprise operation and maintenance personnel, operation and maintenance time, discharge test curves and the like can also be checked. Through data analysis of the monitoring platform, prompts such as battery replacement, battery maintenance and equipment maintenance can be provided for maintenance personnel, and the maintenance personnel can plan the storage battery system in the next step according to the running condition and the operation and maintenance recorded information, such as the examination of storage battery suppliers and the examination of operation and maintenance personnel.
The storage battery maintenance system of the embodiment monitors, records and uploads the voltage, the current and the temperature of the system and the voltage and the temperature of each storage battery within 24 hours; and periodically detecting the internal resistance according to the time set by the user, and recording and uploading. Particularly, when a user carries out manual maintenance, the internal resistance test data can be updated at any time, and when the internal resistance test data are updated, the storage battery maintenance system judges whether the storage battery is degraded or not and gives an alarm and a maintenance prompt for the problem of open circuit of the fact through analyzing the real-time data of each storage battery. When the real-time data of the system exceeds the parameters set by the user, the storage battery maintenance system gives an alarm and records the alarm, and when the alarm disappears, the alarm automatically disappears and the history record is kept, so that the user can conveniently check the alarm. The storage battery is monitored on line in real time, so that the long-term uninterrupted monitoring of the battery can be effectively realized, the degradation and the fault of the battery can be analyzed and predicted, and early warning is timely carried out in advance.
In the battery maintenance system of the embodiment, when the battery maintenance system is regularly maintained, a user can perform battery checking discharge tests at the far end and the near end. The discharge test of the storage battery maintenance system adopts a one-key sequential control mode, namely, a user carries out checking discharge test operation on a human-computer interface at the far end or the near end, the system carries out simulation according to a manual test mode, and reacts to faults in the test process, and data of the test process system are recorded. The capacity of the storage battery is discharged and checked regularly and automatically, the real capacity of the storage battery and the performance conditions of each battery can be known more accurately, and meanwhile, the whole battery pack is effectively activated, and the service life of the battery is prolonged.
The working principle is as follows:
the communication line connection of the system is shown in fig. 1, and the connection relationship of the switches of the system is shown in fig. 2.
In daily use of the battery maintenance system, the system diagram of fig. 2 is normally in a state where electric switch DK11, electric switch DK12, electric switch DK21, electric switch DK22, air switch JK2, air switch DK14, and air switch DK24 are closed, electric switch DK13, electric switch DK23, electric switch DK15, electric switch DK25, electric switch JK1, and electric switch DK1 are open. And monitoring the voltage, the current and the temperature of the system and the voltage and the temperature of each battery within 24 hours, recording and uploading, periodically detecting the internal resistance according to the time set by a user, and recording and uploading. Particularly, when a user carries out manual maintenance, the internal resistance can be updated at any time. When the internal resistance is updated, the storage battery maintenance system judges whether the storage battery has the problems of degradation and open circuit and carries out warning and maintenance prompting through analyzing the real-time data of each storage battery. And when the real-time data of the system exceeds the parameters set by the user, the storage battery maintenance system gives an alarm and records the alarm. When the alarm disappears, the alarm automatically disappears and the history record is kept, so that the user can conveniently check the alarm. When the switch is different from the default state, the system will also alarm and record.
When the storage battery remote/field check discharge test is carried out in the regular maintenance, a user carries out the discharge starting operation on a far-end monitoring platform or a near-end charging and discharging screen, such as the discharge test of the No. 1 storage battery pack in the figure 2. Firstly, the system checks the equipment and related data, and when the system has no fault, the system allows discharging; the maintenance system controls a direct current bus KM1 where a discharging battery pack is located to be connected to another direct current bus KM2 through an electric switch through a closed bus-coupled electric switch DK1, after the system ensures reliable connection between direct current buses through a plurality of data, the system then disconnects an electric switch DK11 from a 1# charger to the direct current bus KM1 and an electric switch DK12 from a 1# storage battery to the direct current bus KM1, the system connects the 1# storage battery to a discharging inverter through the closed electric switch DK15, the electric switch JK1 is closed, and the system starts the discharging inverter to discharge according to set current. The discharge inverter feeds the electric energy released by the storage battery pack back to the three-phase power grid, so that energy waste is avoided. The set current is generally 1/10 of the capacity C of the storage battery pack, and the user can set the current according to the requirement. At this time, the system calculates the discharge capacity according to the integral of the current of the storage battery to the time and starts to time. And when one of the terminal voltage, the cell voltage, the discharge capacity and the discharge time of the storage battery pack reaches a user set value, the discharge is considered to be finished. And the system stops discharging operation when alternating current power loss and equipment failure occur in the discharging process so as to ensure the safe operation of the whole system. After the discharging is finished, the system outputs a control signal to stop the work of the discharging inverter, the electric switch JK1 is disconnected, the electric switch DK15 is disconnected to separate the storage battery from the discharging inverter, and then the electric switch DK13 is closed to connect the 1# storage battery pack with a 1# charger of the direct current system for charging. When the system judges that the storage battery is fully charged according to the current and the voltage of the storage battery pack, the electric switch DK13 is disconnected to disconnect the 1# charger from the 1# storage battery pack, and then when the pressure difference between the 1# storage battery pack and the direct-current bus KM1 is ensured to be low, the switch is restored to a normal running state according to the sequence of closing the electric switch DK11, closing the electric switch DK12 and opening the electric switch DK 1. At this time, the confirmatory discharge test was ended. After the test is finished, the storage battery maintenance system outputs a test report according to the data in the discharging process, wherein the test report comprises a discharging curve, a discharging process record, a discharging finishing reason and whether discharging is successful. And according to the discharging condition and the charging condition, the working condition of the storage battery pack is evaluated, and a suggestion is given to the next maintenance work. Similarly, the operation steps of the capacity check test on the 2# storage battery pack corresponding to the dc bus KM2 are the same as the above steps, and are not described herein again.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (9)

1. A novel storage battery remote maintenance system is arranged on a storage battery pack and a charger, the storage battery pack is respectively connected with a direct current bus and the charger through an electric switch DK12 and an electric switch DK13, the input end of the charger is connected with a power grid, and the output end of the charger is connected with the direct current bus through an electric switch DK11, and the system is characterized by comprising a main control unit, a storage battery monitoring unit, a plurality of storage battery monomer modules, an alternating current and direct current acquisition unit and a discharge inverter,
the storage battery monomer modules are connected with the single storage batteries in a one-to-one correspondence mode and are used for collecting voltage, temperature and internal resistance data of the single storage batteries;
the storage battery monitoring unit is respectively connected with the storage battery monomer module and the storage battery pack and is used for monitoring current, voltage and temperature data of the storage battery pack and integrating voltage, temperature and internal resistance data of a single storage battery;
the input end of the alternating current and direct current acquisition unit is respectively connected with the input end of the charger and the direct current bus and is used for monitoring the alternating current and direct current bus voltage of the system;
the input end of the discharge inverter is connected with the storage battery pack through an electric switch DK15, and the output end of the discharge inverter is connected with a power grid and used for converting direct current output by the storage battery pack into alternating current to feed back to the power grid;
the signal input end of the main control unit is connected with the storage battery monitoring unit and the alternating current and direct current acquisition unit, and the signal output end of the main control unit is respectively connected with the control end of the discharge inverter and the control ends of all the electric switches and is used for analyzing the state of the storage battery pack in real time according to acquired data, controlling the action of the electric switches to perform a nuclear capacity test of the storage battery pack and controlling the work of the discharge inverter.
2. The novel storage battery remote maintenance system is characterized in that the system is arranged on at least two groups of direct current buses, any two groups of direct current buses are connected through an electric switch DK1, and a control end of the electric switch DK1 is connected with the main control unit; each group of direct current buses is correspondingly provided with the storage battery pack and the charger, and each group of storage battery pack is connected to one group of discharge inverters.
3. The novel remote maintenance system for the storage battery as claimed in claim 1, wherein the storage battery monitoring unit comprises a current collection module, and the current collection module is connected with the storage battery pack in series.
4. The novel remote maintenance system for the storage battery as claimed in claim 1, wherein the storage battery monitoring unit comprises a temperature sensor, and the temperature sensor is fixedly installed on the storage battery pack.
5. The novel storage battery remote maintenance system according to claim 1, wherein the storage battery monitoring unit comprises a voltage sampling module, and the voltage sampling module is connected with the storage battery pack.
6. The novel storage battery remote maintenance system as claimed in claim 1, wherein the system is further provided with an air switch, an air switch DK14 is arranged between the storage battery pack and the dc input end of the discharge inverter, and an air switch JK2 is arranged between the ac output end of the discharge inverter and a power grid.
7. The novel storage battery remote maintenance system according to claim 6, further comprising a display screen, wherein the display screen is connected with the main control unit and used for providing a man-machine interaction page.
8. The novel storage battery remote maintenance system according to claim 7, wherein the main control unit, the alternating current/direct current acquisition unit, each electric switch, the discharge inverter and the display screen are integrated into a charge/discharge screen.
9. The novel storage battery remote maintenance system according to claim 1, further comprising a remote monitoring platform, wherein the remote monitoring platform is in communication connection with the main control unit.
CN202023288585.1U 2020-12-30 2020-12-30 Novel storage battery remote maintenance system Active CN214201710U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113917257A (en) * 2021-09-26 2022-01-11 大连理工大学 Dynamic tracking and monitoring method and system for internal resistance of energy storage power station
CN114069770A (en) * 2021-10-22 2022-02-18 南方电网数字电网研究院有限公司 Storage battery remote nuclear capacity control system and method
CN115954991A (en) * 2023-03-13 2023-04-11 九源云(广州)智能科技有限公司 Online inversion charging and discharging device for storage battery pack

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113917257A (en) * 2021-09-26 2022-01-11 大连理工大学 Dynamic tracking and monitoring method and system for internal resistance of energy storage power station
CN113917257B (en) * 2021-09-26 2023-02-24 大连理工大学 Dynamic tracking and monitoring method and system for internal resistance of energy storage power station
CN114069770A (en) * 2021-10-22 2022-02-18 南方电网数字电网研究院有限公司 Storage battery remote nuclear capacity control system and method
CN115954991A (en) * 2023-03-13 2023-04-11 九源云(广州)智能科技有限公司 Online inversion charging and discharging device for storage battery pack
CN115954991B (en) * 2023-03-13 2023-05-30 九源云(广州)智能科技有限公司 Online contravariant charge-discharge device of storage battery

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