CN202523800U - Control system for vanadium redox battery in all working conditions - Google Patents
Control system for vanadium redox battery in all working conditions Download PDFInfo
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- CN202523800U CN202523800U CN2012201405586U CN201220140558U CN202523800U CN 202523800 U CN202523800 U CN 202523800U CN 2012201405586 U CN2012201405586 U CN 2012201405586U CN 201220140558 U CN201220140558 U CN 201220140558U CN 202523800 U CN202523800 U CN 202523800U
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- 229910052720 vanadium Inorganic materials 0.000 title claims abstract description 100
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 title claims abstract description 100
- 238000005259 measurement Methods 0.000 claims abstract description 18
- 238000006243 chemical reaction Methods 0.000 claims description 94
- 238000004146 energy storage Methods 0.000 claims description 65
- 238000001514 detection method Methods 0.000 claims description 8
- 230000011664 signaling Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 abstract description 6
- 230000009466 transformation Effects 0.000 abstract 2
- 239000007788 liquid Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 6
- 238000007599 discharging Methods 0.000 description 5
- 238000007796 conventional method Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model provides a control system for a vanadium redox battery in all working conditions. The control system is a frequency control system and/or a constant speed control system and comprises a current sensor, a signal transformation module, a frequency converter group and/or a contactor group; the signal transformation module comprises a power supply terminal, a measurement signal input terminal and a frequency translating command output terminal and/or a coil power supply output terminal; the power supply terminal is connected with a 24V direct current power supply; the measurement signal input terminal is connected with the current sensor; the frequency translating command output terminal is connected with the frequency converter group; the coil power supply output terminal is connected with the contactor group; and the current sensor and the frequency converter group as well as the contactor group are respectively connected with a galvanic pile and a recycle pump group in a battery system so as to realize frequency control running and/or constant speed running. Without using general or special controllers, the complexity and the production and maintenance costs of the whole system are reduced; the control system for a vanadium redox battery in all working conditions has high running reliability and maintainability, and is particularly suitable for small-scale vanadium redox storage battery systems; and the system has wide application prospect.
Description
[ technical field ] A method for producing a semiconductor device
The utility model belongs to the technical field of vanadium redox flow battery, especially, relate to a vanadium redox flow battery operating mode control system entirely.
[ background of the invention ]
At present, a typical vanadium redox flow energy storage battery system runs by means of a pump set, and the running modes of the system are divided into two types: frequency-conversion speed-regulation operation and constant-speed operation; and there are four states: a charging state, a discharging state, a standby state, a stop state. In order to realize the variable-frequency speed-regulating operation or the constant-speed operation of the vanadium redox flow energy storage battery system under different working conditions, a set of control device needs to be designed in the conventional method, and a universal or special controller is adopted, so that the structure is very complicated, the reliability and the maintainability of the system operation are poor, the miniaturization of the vanadium redox flow energy storage battery system is not facilitated, and the production cost and the maintenance cost of the system are greatly increased.
[ Utility model ] content
In order to solve the above-mentioned not enough that exists among the prior art, the utility model provides a vanadium redox flow battery operating mode control system that simple structure, production and maintenance cost are low, operational reliability and maintainability are high.
The utility model provides a not enough technical scheme who adopts of conventional control does:
a vanadium redox flow battery all-condition control system is a variable frequency speed control system, and comprises a current sensor, a signal conversion module and a frequency converter group which are sequentially connected in a conducting manner through signal lines, wherein two ends of the current sensor are connected with a galvanic pile in a vanadium redox flow energy storage battery system in a conducting manner through signal cables, and the frequency converter group is connected with a circulating pump group in the vanadium redox flow energy storage battery system in a conducting manner; the current sensor is used for detecting the current of the vanadium redox flow energy storage battery when the vanadium redox flow energy storage battery system is in different states; the signal conversion module is used for converting the detection current signal output by the current sensor into a current signal with a specific output range and outputting the current signal to the frequency converter group; and the frequency converter group is used for converting the current signal input by the signal conversion module into a frequency instruction signal and controlling a circulating pump group in the vanadium redox flow energy storage battery system according to the frequency instruction signal so as to realize frequency conversion and speed regulation operation.
As the utility model discloses preferred technical scheme, signal conversion module is including a power supply terminal, a measuring signal input terminal and a frequency conversion instruction output terminal, just the power supply terminal is connected with 24V DC power supply, inputs working power supply, measuring signal input terminal passing signal line with current sensor's output terminal turn-on connection, frequency conversion instruction output terminal passing signal line with the signal input terminal turn-on connection of converter group.
As the utility model discloses preferred technical scheme, the current signal lower limit of signal conversion module output corresponds vanadium redox flow energy storage battery system operating frequency lower limit or slightly is greater than its lower limit, the current signal upper limit of signal conversion module output corresponds vanadium redox flow energy storage battery system operating frequency upper limit.
As the utility model discloses preferred technical scheme, the input range of signal conversion module is unanimous with current sensor's output range.
As a preferred technical solution of the present invention, the current sensor is a shunt.
As the preferred technical scheme of the utility model, current sensor, signal conversion module and converter group are integrated as an organic whole.
A vanadium redox flow battery all-condition control system is a constant-speed control system, and comprises a current sensor, a signal conversion module and a contact set which are sequentially connected in a conducting manner through signal lines, wherein two ends of the current sensor are connected with a galvanic pile in a vanadium redox flow energy storage battery system in a conducting manner through signal cables, and the contact set is connected with a circulating pump set in the vanadium redox flow energy storage battery system in a conducting manner; the current sensor is used for detecting the current of the vanadium redox flow energy storage battery when the vanadium redox flow energy storage battery system is in different states; the signal conversion module is used for outputting a coil control power supply to the contactor group as a contactor group control instruction after the detection current signal output by the current sensor reaches a specific range; the contactor group is used for enabling an input control power supply to generate a magnetic field when flowing through a coil of the contactor group, and further driving the contact to act, so that a circulating pump group in the vanadium redox flow energy storage battery system is controlled, and constant-speed operation is achieved.
As the utility model discloses preferred technical scheme, signal conversion module is including a power supply terminal, a measuring signal input terminal and a coil power supply output terminal, just the power supply terminal is connected with 24V DC power supply, inputs working power supply, measuring signal input terminal passing signal line with current sensor's output terminal turn-on connection, coil power supply output terminal passing signal line with the control coil terminal turn-on connection of contactor group.
As the preferred technical scheme of the utility model, specific range does 5% of signal conversion module range.
As the utility model discloses preferred technical scheme, the current signal lower limit of signal conversion module output corresponds vanadium redox flow energy storage battery system operating frequency lower limit or slightly is greater than its lower limit, the current signal upper limit of signal conversion module output corresponds vanadium redox flow energy storage battery system operating frequency upper limit.
As the utility model discloses preferred technical scheme, the input range of signal conversion module is unanimous with current sensor's output range.
As a preferred technical solution of the present invention, the current sensor is a shunt.
As the preferred technical scheme of the utility model, current sensor, signal conversion module and contactor group are integrated as an organic whole.
A vanadium redox flow battery all-condition control system comprises a current sensor, a signal conversion module, a frequency converter group and a contactor group, wherein the signal conversion module comprises a power supply terminal, a measurement signal input terminal, a frequency conversion instruction output terminal and a coil power supply output terminal, the power supply terminal is connected with a 24V direct current power supply and inputs a working power supply, the measurement signal input terminal is in conduction connection with the output terminal of the current sensor through a signal line, the frequency conversion instruction output terminal is in conduction connection with the signal input terminal of the frequency converter group through a signal line, and the coil power supply output terminal is in conduction connection with a control coil terminal of the contactor group through a signal line; and the current sensor, the frequency converter group and the contact group are respectively connected with a galvanic pile and a circulating pump group in the vanadium redox flow energy storage battery system through a signal cable and a power cable in a conduction manner, so that the frequency conversion speed regulation operation or the constant speed operation is realized.
As the preferred technical scheme of the utility model, current sensor, signal conversion module, converter group and contactor group are integrated as an organic whole.
Through the above technical scheme, need not use general or special controller just can realize the variable frequency speed governing operation and/or the constant speed operation under the various operating modes of vanadium redox flow battery system, the simplest control mode of vanadium redox flow battery system has been embodied, thereby whole vanadium redox flow battery system's complexity has been reduced, the operation is more stable, it is more reliable, vanadium redox flow battery system production and maintenance cost have also been reduced, and reliability and maintainability that vanadium redox flow battery system operated have been improved to a certain extent, need not possess professional knowledge, need not face complex system, just can normal use and maintain this system, use easy operation, and convenient, especially, be fit for small-scale vanadium redox flow battery system, wide application prospect has.
[ description of the drawings ]
Fig. 1 is a structural schematic block diagram of an embodiment of an all-condition control system of a vanadium redox flow battery system according to the present invention;
FIG. 2 is a schematic structural diagram of a signal conversion module in the embodiment of FIG. 1;
fig. 3 is a schematic structural diagram of another embodiment of the full condition control system of the vanadium redox flow battery system according to the present invention;
FIG. 4 is a schematic diagram of a signal conversion module in another embodiment of FIG. 3;
fig. 5 is a schematic structural diagram of another embodiment of the full condition control system of the vanadium redox flow battery system according to the present invention;
fig. 6 is a schematic structural diagram of a signal conversion module in the embodiment of fig. 5.
[ detailed description ] embodiments
The technical solution of the present invention will be described in detail with reference to the accompanying drawings.
The first embodiment is as follows:
as shown in fig. 1 and 2:
the embodiment of the utility model provides a vanadium redox flow battery operating mode control system entirely, this control system are variable frequency speed control system 1, variable frequency speed control system 1 is including passing through signal line 14 turn on connection's current sensor 11, signal conversion module 12 and converter group 13 in proper order. The current sensor 11 is a shunt, two ends of the current sensor are connected with the galvanic pile 3 in the vanadium redox flow energy storage battery system in a conduction mode through a signal cable 15, and the charging and discharging current of the vanadium redox flow energy storage battery does not exceed 200A, so that the current sensor 11 selects the shunt with the measuring range of 200A and the output signal of 0 mV-75 mV, and the current sensor 11 is mainly used for detecting the current of the vanadium redox flow energy storage battery when the vanadium redox flow energy storage battery system is in different states. The signal conversion module 12 includes a power supply terminal 121, a measurement signal input terminal 122 and a frequency conversion command output terminal 123, the power supply terminal 121 is connected to a 24V dc power supply, a working power supply is input, a voltage signal of 0mV to 75mV is input, the measurement signal input terminal 122 is conductively connected to an output terminal of the current sensor 11 through a signal line 14, the frequency conversion command output terminal 123 is conductively connected to a signal input terminal of the frequency converter group 13 through the signal line 14, the signal conversion module 12 is mainly used for converting a detection current signal output by the current sensor 11 into a current signal of a specific output range and outputting the current signal of the specific output range to the frequency converter group 13, and the current signal of the specific output range is proportional to the input voltage signal. The frequency converter group 13 is internally provided with a signal conversion module (not shown in the figure), a frequency instruction input terminal of the signal conversion module is in conduction connection with a frequency instruction output terminal 123 of the signal conversion module 12, and the output terminal is in conduction connection with a circulating pump group 4 in the vanadium redox flow energy storage battery system through a power cable 16, and the frequency conversion module group is mainly used for converting a current signal input by the signal conversion module 12 into a frequency instruction signal, controlling the circulating pump group 4 in the vanadium redox flow energy storage battery system according to the frequency instruction signal, and realizing frequency conversion and speed regulation operation.
In addition, when the current signal received by the frequency command input terminal of the frequency converter 13 and transmitted by the frequency conversion command output terminal 123 of the signal conversion module 12 is 4mA to 20mA, the lower limit of the frequency command of the frequency converter 13 is FL hz, the upper limit of the frequency command is FH hz, the measurement range of the current sensor 11 is 0 to CH ampere, the input range of the signal conversion module 12 is consistent with the output range of the current sensor 11, the range of the frequency command electrical signal of the frequency converter 13 is VL to VH, and the output frequency reaches the set upper limit FH when the frequency command electrical signal of the frequency converter 13 reaches the upper limit, then:
the lower limit of the current signal output by the signal conversion module 12 is (FL ÷ FH) × (VH-VL) + VL;
the upper limit of the current signal output by the signal conversion module 12 is VH.
And the current signal output by the signal conversion module 12 is electrically compatible with the frequency instruction electrical signal of the frequency converter 13, the lower limit of the current signal output by the signal conversion module 12 corresponds to the lower limit of the operation frequency of the vanadium redox flow energy storage battery system or slightly larger than the lower limit, and the upper limit of the output current signal corresponds to the upper limit of the operation frequency of the vanadium redox flow energy storage battery system.
For example: for a vanadium redox flow energy storage battery system with the lowest working frequency of 25HZ and the highest working frequency of 50HZ, the highest working frequency of the frequency converter 13 can be set to 50HZ, and when a current signal in a specific output range received by a frequency command input terminal of the frequency converter 13 is 4+ (20-4) × (25 ÷ 50) ═ 12mA, the working frequency of the frequency converter 13 is 25HZ, which corresponds to the lowest working frequency of the circulating pump group 4 in the vanadium redox flow energy storage battery system; when the current signal of the specific output range received by the frequency instruction input terminal of the frequency converter 13 is 20mA, the working frequency of the frequency converter 13 is 50HZ, and corresponds to the highest working frequency of the circulating pump group 4 in the vanadium redox flow energy storage battery system. When the charging and discharging current is a median, i.e. 100A, the signal conversion module 12 outputs a median, i.e. 16mA current signal, and at this time, the frequency instruction of the frequency converter 13 is: and (16/20) x 50-40 (HZ), and the operation requirement of the vanadium redox flow battery process system 5 in the vanadium redox flow energy storage battery system is completely met.
Vanadium redox flow battery operating mode's variable frequency speed control system 1's theory of operation: firstly, when the vanadium redox flow energy storage battery system is in a charging state, a discharging state, a standby state or a stop state, the current sensor 11 detects the current of the vanadium redox flow energy storage battery through the signal cable 15 and transmits the current to the measurement signal input terminal 122 of the signal conversion module 12 through the signal line 14, and meanwhile, the power terminal 121 of the signal conversion module 12 receives a 24V direct current working power supply; then, the signal conversion module 12 converts the detection signal output by the current sensor 11 into a current signal in a specific output range, and transmits the current signal to the frequency converter group 13 through the frequency conversion command output terminal 123; and finally, the frequency converter group 13 converts the current signal input from the frequency instruction input terminal into a frequency instruction signal, and controls the circulating pump group 4 in the vanadium redox flow energy storage battery system according to the frequency instruction signal to realize frequency conversion and speed regulation operation.
Thus, vanadium liquid stream energy storage battery system passes through frequency conversion speed regulation control system 1 can directly carry out frequency conversion speed regulation operation control, need not use general or special controller like traditional control system, moreover, the steam generator is simple in structure, thereby the complexity of whole vanadium liquid stream energy storage battery system has been reduced, the operation is more stable, reliable, vanadium liquid stream energy storage battery system production and maintenance cost have also been reduced, and the reliability and the maintainability of vanadium liquid stream energy storage battery system operation have been improved to a certain extent, especially, be fit for small-scale vanadium liquid stream energy storage battery system, wide application prospect has.
Example two:
as shown in fig. 3 and 4:
the embodiment of the utility model provides a vanadium redox flow battery operating mode control system entirely, this control system are constant speed control system 2, constant speed control system 2 is including passing through signal line 24 turn on connection's current sensor 21, signal conversion module 22 and contactor group 23 in proper order. The structure, connection relationship and function of the current sensor 21 are the same as those disclosed in the first embodiment, and are not described herein again. The signal conversion module 22 includes a power terminal 221, a measurement signal input terminal 222 and a coil power output terminal 223, the power terminal 221 is connected to a 24V dc power supply, a working power supply is input, a voltage signal of 0mV to 75mV is input, the measurement signal input terminal 222 is connected to the output terminal of the current sensor 21 through the signal line 24, the coil power output terminal 223 is connected to the control coil terminal of the contactor group 23 through the signal line 24, the signal conversion module 22 is mainly used for outputting a coil control power to the contactor group 23 after the detection current signal output by the current sensor 21 reaches a specific range (for example, 5% of the range), and the coil control power is used as a control command of the contactor group 23 to control the contact of the contactor group 23 to be closed and opened. The control coil terminal of the contactor group 23 is in conduction connection with the coil power supply output terminal 223 of the signal conversion module 22, and the output terminal is in conduction connection with the circulating pump group 4 in the vanadium redox flow energy storage battery system through the power cable 26, and the control coil terminal is mainly used for enabling the input control power supply to generate a magnetic field when flowing through the coil of the contactor group 23, and further driving the contact to act, so as to control the circulating pump group 4 in the vanadium redox flow energy storage battery system and realize constant-speed operation.
As in the embodiment, the input range of the signal conversion module 22 is the same as the output range of the current sensor 21, the lower limit of the current signal output by the signal conversion module 22 corresponds to the lower limit of the operation frequency of the vanadium redox flow energy storage battery system or is slightly greater than the lower limit of the operation frequency, and the upper limit of the current signal output by the signal conversion module 22 corresponds to the upper limit of the operation frequency of the vanadium redox flow energy storage battery system.
The operating principle of the constant speed control system 2 of the full operating mode of the vanadium redox flow battery is as follows: firstly, when the vanadium redox flow energy storage battery system is in a charging state, a discharging state, a standby state or a stop state, the current sensor 21 detects the current of the vanadium redox flow energy storage battery through the signal cable 25 and transmits the current to the measurement signal input terminal 222 of the signal conversion module 22 through the signal wire 24, and meanwhile, the power terminal 221 of the signal conversion module 22 receives a 24V direct current working power supply; then, the signal conversion module 22 outputs the coil control power to the contactor group 23 after the detection current signal outputted by the current sensor 21 reaches a specific range, and transmits the coil control power to the contactor group 23 through the coil power output terminal 223; and finally, when an input control power supply flows through the coil of the contact group 23, a magnetic field is generated, so that the contact is driven to perform closing and opening actions, the circulating pump group 4 in the vanadium redox flow energy storage battery system is controlled, and constant-speed operation is realized.
Like this, vanadium liquid stream energy storage battery system passes through constant speed control system 2 can directly carry out constant speed operational control, like one by one with the embodiment, need not use general or special controller like traditional control system, moreover, the steam generator is simple in structure, thereby the complexity of whole vanadium liquid stream energy storage battery system has been reduced, the operation is more stable, reliable, vanadium liquid stream energy storage battery system production and maintenance cost have also been reduced, and the reliability and the maintainability of vanadium liquid stream energy storage battery system operation have been improved to a certain extent, especially, be fit for small-scale vanadium liquid stream energy storage battery system, wide application prospect has.
Of course, the current sensor 11, the signal conversion module 12 and the frequency converter group 13, and the current sensor 21, the signal conversion module 22 and the contactor group 23 can be integrated into a whole.
Example three:
as shown in fig. 5 and 6:
control system can be including current sensor 51, signal conversion module 52, converter group 53 and contactor group 54, wherein, current sensor 51, converter group 53 and contactor group 54's structure and function are equallyd divide and are do not like that the two disclosures of aforementioned embodiment one and embodiment, no longer describe here. The difference is that the signal conversion module 52 includes a power supply terminal 521, a measurement signal input terminal 522, a frequency conversion command output terminal 523 and a coil power output terminal 524, and the power supply terminal 521 is connected to a 24V dc power supply, and a working power supply is input, and a voltage signal of 0mV to 75mV is input to the working power supply, the measurement signal input terminal 522 is conductively connected to the output terminal of the current sensor 51 through a signal line 55, the frequency conversion command output terminal 523 is conductively connected to the signal input terminal of the frequency converter group 53 through a signal line 55, and the coil power output terminal 524 is conductively connected to the control coil terminal of the contact group 53 through a signal line 55; the signal conversion module 52 is mainly used for converting the detected current signal output by the current sensor 51 into a current signal in a specific output range and outputting the current signal to the frequency converter group 53 to realize frequency conversion and speed regulation operation, or outputting a coil control power supply to the contact group 53 as a control instruction of the contact group 53 to realize constant speed operation after the detected current signal output by the current sensor 51 reaches a specific range.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.
Claims (10)
1. The utility model provides a vanadium redox flow battery operating mode control system, is a variable frequency speed governing control system (1), its characterized in that: the variable-frequency speed regulation control system (1) comprises a current sensor (11), a signal conversion module (12) and a frequency converter group (13) which are sequentially connected in a conducting manner through a signal wire (14), two ends of the current sensor (11) are connected with a galvanic pile (3) in the vanadium redox flow energy storage battery system in a conducting manner through a signal cable (111), and the frequency converter group (13) is connected with a circulating pump group (4) in the vanadium redox flow energy storage battery system in a conducting manner; wherein,
the current sensor (11) is used for detecting the current of the vanadium redox flow energy storage battery when the vanadium redox flow energy storage battery system is in different states;
the signal conversion module (12) is used for converting the detection current signal output by the current sensor (11) into a current signal in a specific output range and outputting the current signal to the frequency converter group (13);
and the frequency converter group (13) is used for converting the current signal input by the signal conversion module (12) into a frequency instruction signal, and controlling the circulating pump group (4) in the vanadium redox flow energy storage battery system according to the frequency instruction signal to realize frequency conversion and speed regulation operation.
2. The vanadium redox flow battery full condition control system according to claim 1, characterized in that: the signal conversion module (12) comprises a power supply terminal (121), a measurement signal input terminal (122) and a frequency conversion instruction output terminal (123), the power supply terminal (121) is connected with a 24V direct-current power supply to input a working power supply, the measurement signal input terminal (122) is in conductive connection with the output terminal of the current sensor (11) through a signal line (14), and the frequency conversion instruction output terminal (123) is in conductive connection with the signal input terminal of the frequency converter group (13) through the signal line (14).
3. The vanadium redox flow battery full condition control system according to claim 2, characterized in that: the lower limit of a current signal output by the signal conversion module (12) corresponds to the lower limit of the operation frequency of the vanadium redox flow energy storage battery system or is slightly larger than the lower limit of the operation frequency, and the upper limit of the current signal output by the signal conversion module (12) corresponds to the upper limit of the operation frequency of the vanadium redox flow energy storage battery system.
4. The utility model provides a vanadium redox flow battery operating mode control system, is a constant speed control system (2), its characterized in that: the constant speed control system (2) comprises a current sensor (21), a signal conversion module (22) and a contact set (23) which are sequentially connected in a conduction mode through a signal line (24), two ends of the current sensor (21) are connected with a galvanic pile (3) in the vanadium redox flow energy storage battery system in a conduction mode through a signal cable (211), and the contact set (23) is connected with a circulating pump set (4) in the vanadium redox flow energy storage battery system in a conduction mode; wherein,
the current sensor (21) is used for detecting the current of the vanadium redox flow energy storage battery when the vanadium redox flow energy storage battery system is in different states;
the signal conversion module (22) is used for outputting a coil control power supply to the contact group (23) as a control instruction of the contact group (23) after the detection current signal output by the current sensor (21) reaches a specific range;
the contactor group (23) is used for enabling an input control power supply to generate a magnetic field when flowing through a coil of the contactor group (23), and further driving the contact to act, so that a circulating pump group (4) in the vanadium redox flow energy storage battery system is controlled, and constant-speed operation is achieved.
5. The vanadium redox flow battery full condition control system according to claim 4, characterized in that: the signal conversion module (22) comprises a power supply terminal (221), a measurement signal input terminal (222) and a coil power supply output terminal (223), the power supply terminal (221) is connected with a 24V direct-current power supply to input a working power supply, the measurement signal input terminal (222) is in conduction connection with the output terminal of the current sensor (21) through a signal line (24), and the coil power supply output terminal (223) is in conduction connection with the control coil terminal of the contactor group (23) through the signal line (24).
6. The vanadium redox flow battery full condition control system according to claim 5, characterized in that: the lower limit of a current signal output by the signal conversion module (22) corresponds to the lower limit of the operation frequency of the vanadium redox flow energy storage battery system or is slightly larger than the lower limit of the operation frequency, and the upper limit of the current signal output by the signal conversion module (22) corresponds to the upper limit of the operation frequency of the vanadium redox flow energy storage battery system.
7. The vanadium redox flow battery full condition control system according to claim 4, characterized in that: the input range of the signal conversion module (22) is consistent with the output range of the current sensor (21), and the current sensor (21) is a current divider.
8. The vanadium flow battery all-condition control system according to any one of claims 4 to 7, characterized in that: the current sensor (21) and the signal conversion module (22) are integrated with the contact group (23).
9. The utility model provides a vanadium redox flow battery operating mode control system which characterized in that: comprises a current sensor (51), a signal conversion module (52), a frequency converter group (53) and a contact group (54), wherein, the signal conversion module (52) comprises a power supply terminal (521), a measurement signal input terminal (522), a frequency conversion instruction output terminal (523) and a coil power supply output terminal (524), the power supply terminal (521) is connected with a 24V direct current power supply to input working power, the measuring signal input terminal (522) is connected with the output terminal of the current sensor (51) through a signal wire (55) in a conduction way, the frequency conversion command output terminal (523) is conductively connected with the signal input terminal of the frequency converter group (53) through a signal line (55), the coil power supply output terminal (524) is conductively connected with a control coil terminal of the contact group (53) through a signal wire (55); and the current sensor (51), the frequency converter group (53) and the contact group (54) are respectively connected with the galvanic pile (3) and the circulating pump group (4) in the vanadium redox flow energy storage battery system through a signal cable and a power cable in a conduction manner, so that the variable-frequency speed-regulating operation or the constant-speed operation is realized.
10. The vanadium redox flow battery full condition control system according to claim 9, characterized in that: the current sensor (51), the signal conversion module (52), the frequency converter group (53) and the contact group (54) are integrated into a whole.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102623729A (en) * | 2012-04-05 | 2012-08-01 | 深圳市金钒能源科技有限公司 | Full-working condition control system for vanadium redox flow battery |
| CN103248097A (en) * | 2013-05-14 | 2013-08-14 | 大连融科储能技术发展有限公司 | Photovoltaic charging system and method for all vanadium flow batteries |
| CN104132691A (en) * | 2014-07-31 | 2014-11-05 | 国网上海市电力公司 | Operating parameter acquisition circuit of flow battery charging and discharging system |
| US10396375B2 (en) | 2016-03-24 | 2019-08-27 | International Busniess Machines Corporation | System and method for condition monitoring of redox flow batteries using data analytics |
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2012
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102623729A (en) * | 2012-04-05 | 2012-08-01 | 深圳市金钒能源科技有限公司 | Full-working condition control system for vanadium redox flow battery |
| CN102623729B (en) * | 2012-04-05 | 2015-04-29 | 深圳市金钒能源科技有限公司 | Full-working condition control system for vanadium redox flow battery |
| CN103248097A (en) * | 2013-05-14 | 2013-08-14 | 大连融科储能技术发展有限公司 | Photovoltaic charging system and method for all vanadium flow batteries |
| CN103248097B (en) * | 2013-05-14 | 2015-04-08 | 大连融科储能技术发展有限公司 | Photovoltaic charging system and method for all vanadium flow batteries |
| CN104132691A (en) * | 2014-07-31 | 2014-11-05 | 国网上海市电力公司 | Operating parameter acquisition circuit of flow battery charging and discharging system |
| US10396375B2 (en) | 2016-03-24 | 2019-08-27 | International Busniess Machines Corporation | System and method for condition monitoring of redox flow batteries using data analytics |
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