CN105158703A - Flow cell test system based on energy storage unit - Google Patents
Flow cell test system based on energy storage unit Download PDFInfo
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- CN105158703A CN105158703A CN201510658343.1A CN201510658343A CN105158703A CN 105158703 A CN105158703 A CN 105158703A CN 201510658343 A CN201510658343 A CN 201510658343A CN 105158703 A CN105158703 A CN 105158703A
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Abstract
The invention discloses a flow cell test system based on an energy storage unit. The flow cell test system comprises a plurality of test devices which are connected with flow cells in one-to-one correspondence and used for carrying out a charging test and a discharging test on each flow cell, wherein each test device is connected with a power grid; the energy storage unit connected with the power grid and connected with the flow cells through the test devices; and a test management system connected with the flow cells, the test devices and the energy storage unit. According to the invention, the test management system schedules the flow cells different in test demand and the energy storage unit, the distribution of electric energy in the whole test system is optimized, the electric power from the power grid and the electric power output to the power grid are effectively reduced, and the electric energy consumption and cost in the test process are substantially lowered.
Description
Technical field
The present invention relates to a kind of flow battery test macro based on energy-storage units.
Background technology
Flow battery have safety and environmental protection, flexible design (power and capacity can independent design), long service life, addressing freely, maintenance cost is low and easily realize the plurality of advantages not available for other conventional batteries such as scale electric power storage.During practical application, flow battery can be widely used in the renewable energy system such as wind energy, sun power as accumulator system, enables the output of the electric power continous-stable of generation; Also can be used for carrying out peak load shifting to electrical network, the power storage of low power consumption be got up, exports when peak of power consumption, carry out balancing electric power supply and demand with this; In addition, as emergency power system and stand-by station etc., one of energy storage technology of most Commercial Prospect can also be considered to.At present, multiple country builds up the flow battery demonstration system of kW ~ MW level in succession, is matched in the renewable energy system such as sun power, wind energy and plays the effects such as level and smooth output, tracking plan generating, balanced load and peak load shifting.
Flow battery usually needs to carry out a series of charge-discharge test before dispatching from the factory or running, and all can meet dispatch from the factory or normal requirement with the properties and index of verifying flow battery.Prior art can with reference to figure 1 to the test of flow battery, and when needs carry out charging measurement to flow battery, testing apparatus is charged to flow battery according to test plan after electrical network power taking; When needing the electric energy of then being released by flow battery by testing apparatus when carrying out discharge test to flow battery to be directly fed back to load or electrical network, wherein testing apparatus mainly comprises electro-chemical test equipment, discharge and recharge instrument, constant pressure source or constant current source etc.Consider that the electric energy existence that non-power generating mandate enterprise provides does not meet the problems such as power quality standard, being directly incorporated into electrical network can impact electrical network, during therefore grid company does not allow non-power generating mandate enterprise to be directly connected to the grid by electric energy usually.For need to discharge the battery test system of a large amount of electric energy in test process for, the way that current flow battery manufacturing enterprise takes usually is that the electric energy of being released by discharge regime directly consumes in the mode of heat energy by connecting load, this makes flow battery manufacturing enterprise effectively to utilize the electric energy that battery test system is released further, the electric energy of releasing directly is wasted, and testing cost increases greatly.Consuming in heat mode of the electric energy of releasing to prevent test macro, percentage of batteries manufacturing enterprise selects the electric energy by flow battery test macro is released directly to upload to grid side, but because enterprise does not have the qualification uploading electric energy to grid side, only unidirectional ammeter can be configured between battery test system and electrical network, namely when test macro is from electrical network power taking, ammeter carries out electricity statistics, and when test macro release electric energy is to electrical network, ammeter does not carry out electricity statistics, the electric energy being fed back to electrical network can not be measured, battery testing process is caused to be in power consumption states all the time, economic loss is to a certain extent caused to enterprise.
Summary of the invention
The present invention is directed to the proposition of above problem, and develop a kind of flow battery test macro based on energy-storage units.
Technological means of the present invention is as follows:
Based on a flow battery test macro for energy-storage units, described flow battery has multiple, and described flow battery test macro comprises:
Multiple and each flow battery is connected respectively, for carrying out the testing apparatus of charging measurement and discharge test to each flow battery; Each testing apparatus is all connected with electrical network;
Connect electrical network, and via the energy-storage units of testing apparatus connecting fluid galvanic battery;
The test and management system of connecting fluid galvanic battery, testing apparatus and energy-storage units;
When flow battery test macro carries out test job, input and output electric quantity change between described test and management system Real-Time Monitoring flow battery test macro and electrical network, and judge to input to the electricity of test macro by electrical network or whether test macro exports the electricity of electrical network to lower than the first preset value, continue to monitor the input and output electric quantity change between flow battery test macro and electrical network, otherwise enable energy-storage units, and control energy-storage units charging according to inputting electricity by electrical network to test macro, export electricity to electrical network according to test macro and control energy-storage units electric discharge,
Further, described test and management system also has the following course of work:
S1: transfer test plan; Described test plan comprises the default test process of each flow battery, and described default test process is made up of each test phase, performs S2;
S2: the test phase according to initial test phase being test phase or the electric discharge of charging, is divided into charging measurement group and discharge test group, performs S3 by multiple flow battery;
S3: draw the charging general power P1 of charging measurement group when the initial test moment, the electric discharge general power P2 of discharge test group when the initial test moment, perform S4;
S4: according to the different numerical relations between P1, P2, determines whether each flow battery starts to perform test plan simultaneously;
Further, when multiple flow battery first predetermined condition, step S4 specifically comprises the steps;
A11: judge whether P1/P2 is placed between lower limit and the upper limit, is, performs A12, otherwise perform A13;
A12: test and management system carries out corresponding charging measurement or discharge test by each testing apparatus to the flow battery connected respectively with it according to test plan;
A13: judge whether P1/P2 is more than or equal to the upper limit, is, performs A14, otherwise perform A16;
A14: choose from charging measurement group
individual flow battery, and according to test plan, charging measurement is carried out to the flow battery chosen by testing apparatus, until the initial test phase corresponding to the flow battery chosen all terminates, m is the quantity of flow battery to be tested, performs A15;
A15: by testing apparatus according to test plan to each flow battery in the flow battery be not selected in charging measurement group and discharge test group charging measurement or discharge test from respective initial test phase, according to test plan, the flow battery chosen is carried out to discharge test and the charging measurement in respective follow-up test stage simultaneously;
A16: choose from discharge test group
individual flow battery, and according to test plan, discharge test is carried out to the flow battery chosen by testing apparatus, until the initial test phase corresponding to the flow battery chosen all terminates, m is the quantity of flow battery to be tested, performs A17;
A17: by testing apparatus according to test plan to each flow battery in the flow battery be not selected in discharge test group and charging measurement group discharge test or charging measurement from respective initial test phase, according to test plan, the flow battery chosen is carried out to charging measurement and the discharge test in respective follow-up test stage simultaneously;
Further, when multiple flow battery second predetermined condition, step S4 specifically comprises the steps;
B11: judge whether ︱ P1-P2 ︱ is less than the second preset value, is perform B12, otherwise perform B13;
B12: test and management system carries out corresponding charging measurement or discharge test by each testing apparatus to the flow battery connected respectively with it according to test plan;
B13: judge whether P1 is greater than P2, is, performs step B14, otherwise perform B16;
B14: choose a part of flow battery from charging measurement group, and according to test plan, charging measurement is carried out to the flow battery chosen by testing apparatus, until the initial test phase corresponding to the flow battery chosen all terminates, described a part of flow battery choose satisfied 3rd predetermined condition, perform B15;
B15: by testing apparatus according to test plan to each flow battery in the flow battery be not selected in charging measurement group and discharge test group charging measurement or discharge test from respective initial test phase, according to test plan, the flow battery chosen is carried out to discharge test and the charging measurement in respective follow-up test stage simultaneously;
B16: choose a part of flow battery from discharge test group, and according to test plan, discharge test is carried out to the flow battery chosen by testing apparatus, until the initial test phase corresponding to the flow battery chosen all terminates, described a part of flow battery choose satisfied 3rd predetermined condition, perform B17;
B17: by testing apparatus according to test plan to each flow battery in the flow battery be not selected in discharge test group and charging measurement group discharge test or charging measurement from respective initial test phase, according to test plan, the flow battery chosen is carried out to charging measurement and the discharge test in respective follow-up test stage simultaneously;
Further, described energy-storage units is physics energy storage device, chemical energy storage device or Power Flow device;
Further, described flow battery test macro also comprises connection electrical network, and via the load of testing apparatus connecting fluid galvanic battery; When test macro exports the electricity of electrical network to higher than equaling the first preset value, then control load work;
Further, described first predetermined condition is: the quantity of flow battery is higher than equaling predetermined number;
Further, described second predetermined condition is: the quantity of flow battery is lower than predetermined number.
Owing to have employed technique scheme, compared with flow battery test macro of the prior art, there is following advantage in the flow battery test macro based on energy-storage units provided by the invention:
1, by the flow battery of test and management system to different testing requirement and the scheduling of energy-storage units, optimize the distribution of electric energy in whole test macro, effectively reduce from electrical network power taking and the electric energy exporting electrical network to, considerably reduce consumption and the cost of electric energy in test process;
2, the power storage utilizing flow battery itself to have and release function, according to testing requirement and the power of test solution galvanic battery, only need the less startup energy, just can realize the continuous of test macro entirety and stable operation, reduce power consumption, reduce testing cost.
3, test process can realize realizing Automated condtrol completely, is suitable for battery testing that is extensive, mass.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of test macro in prior art;
Fig. 2 is the structural representation of test macro of the present invention;
Fig. 3 is the test and management system course of work process flow diagram of step S1 to S4;
Fig. 4 is the test and management system course of work process flow diagram of steps A 11 to A17;
Fig. 5 is the test and management system course of work process flow diagram of step B11 to B17;
Fig. 6-a, Fig. 6-b relate to a curve exemplary plot of the default test process of flow battery of the present invention;
Fig. 7 is a charge-discharge test curve exemplary plot of existing test macro;
Fig. 8 is selected by the present invention
individual flow battery carries out the curve exemplary plot of testing;
Fig. 9 is the charge-discharge test curve exemplary plot of test macro of the present invention (step S4 corresponding A 11 to A17);
Figure 10 relates to another curve exemplary plot of the default test process of flow battery of the present invention;
Figure 11 is another charge-discharge test curve exemplary plot of existing invention test macro;
Figure 12 is the curve exemplary plot that a part of flow battery chosen from charging measurement group carries out testing;
Figure 13 is the charge-discharge test curve exemplary plot of test macro of the present invention (the corresponding B11 to B17 of step S4).
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Figure 1, Figure 2, a kind of flow battery test macro based on energy-storage units shown in Fig. 3, Fig. 4 and Fig. 5, described flow battery has multiple, described flow battery test macro comprises: multiple and each flow battery is connected respectively, for carrying out the testing apparatus of charging measurement and discharge test to each flow battery, each testing apparatus is all connected with electrical network, connect electrical network, and via the energy-storage units of testing apparatus connecting fluid galvanic battery, the test and management system of connecting fluid galvanic battery, testing apparatus and energy-storage units, when flow battery test macro carries out test job, input and output electric quantity change between described test and management system Real-Time Monitoring flow battery test macro and electrical network, and judge to input to the electricity of test macro by electrical network or whether test macro exports the electricity of electrical network to lower than the first preset value, continue to monitor the input and output electric quantity change between flow battery test macro and electrical network, otherwise enable energy-storage units, and control energy-storage units charging according to inputting electricity by electrical network to test macro, export electricity to electrical network according to test macro and control energy-storage units electric discharge,
Further, described test and management system also has the following course of work:
S1: transfer test plan; Described test plan comprises the default test process of each flow battery, and described default test process is made up of each test phase, performs S2;
S2: the test phase according to initial test phase being test phase or the electric discharge of charging, is divided into charging measurement group and discharge test group, performs S3 by multiple flow battery;
S3: draw the charging general power P1 of charging measurement group when the initial test moment, the electric discharge general power P2 of discharge test group when the initial test moment, perform S4;
S4: according to the different numerical relations between P1, P2, determines whether each flow battery starts to perform test plan simultaneously;
Further, when multiple flow battery first predetermined condition, step S4 specifically comprises the steps;
A11: judge whether P1/P2 is placed between lower limit and the upper limit, is, performs A12, otherwise perform A13;
A12: test and management system carries out corresponding charging measurement or discharge test by each testing apparatus to the flow battery connected respectively with it according to test plan;
A13: judge whether P1/P2 is more than or equal to the upper limit, is, performs A14, otherwise perform A16;
A14: choose from charging measurement group
individual flow battery, and according to test plan, charging measurement is carried out to the flow battery chosen by testing apparatus, until the initial test phase corresponding to the flow battery chosen all terminates, m is the quantity of flow battery to be tested, performs A15;
A15: by testing apparatus according to test plan to each flow battery in the flow battery be not selected in charging measurement group and discharge test group charging measurement or discharge test from respective initial test phase, according to test plan, the flow battery chosen is carried out to discharge test and the charging measurement in respective follow-up test stage simultaneously;
A16: choose from discharge test group
individual flow battery, and according to test plan, discharge test is carried out to the flow battery chosen by testing apparatus, until the initial test phase corresponding to the flow battery chosen all terminates, m is the quantity of flow battery to be tested, performs A17;
A17: by testing apparatus according to test plan to each flow battery in the flow battery be not selected in discharge test group and charging measurement group discharge test or charging measurement from respective initial test phase, according to test plan, the flow battery chosen is carried out to charging measurement and the discharge test in respective follow-up test stage simultaneously;
Further, when multiple flow battery second predetermined condition, step S4 specifically comprises the steps;
B11: judge whether ︱ P1-P2 ︱ is less than the second preset value, is perform B12, otherwise perform B13;
B12: test and management system carries out corresponding charging measurement or discharge test by each testing apparatus to the flow battery connected respectively with it according to test plan;
B13: judge whether P1 is greater than P2, is, performs step B14, otherwise perform B16;
B14: choose a part of flow battery from charging measurement group, and according to test plan, charging measurement is carried out to the flow battery chosen by testing apparatus, until the initial test phase corresponding to the flow battery chosen all terminates, described a part of flow battery choose satisfied 3rd predetermined condition, perform B15;
B15: by testing apparatus according to test plan to each flow battery in the flow battery be not selected in charging measurement group and discharge test group charging measurement or discharge test from respective initial test phase, according to test plan, the flow battery chosen is carried out to discharge test and the charging measurement in respective follow-up test stage simultaneously;
B16: choose a part of flow battery from discharge test group, and according to test plan, discharge test is carried out to the flow battery chosen by testing apparatus, until the initial test phase corresponding to the flow battery chosen all terminates, described a part of flow battery choose satisfied 3rd predetermined condition, perform B17;
B17: by testing apparatus according to test plan to each flow battery in the flow battery be not selected in discharge test group and charging measurement group discharge test or charging measurement from respective initial test phase, according to test plan, the flow battery chosen is carried out to charging measurement and the discharge test in respective follow-up test stage simultaneously;
Further, described energy-storage units is physics energy storage device, chemical energy storage device or Power Flow device; Further, described flow battery test macro also comprises connection electrical network, and via the load of testing apparatus connecting fluid galvanic battery; When test macro exports the electricity of electrical network to higher than equaling the first preset value, then control load work; Further, described first predetermined condition is: the quantity of flow battery is higher than equaling predetermined number; Further, described second predetermined condition is: the quantity of flow battery is lower than predetermined number; Described energy-storage units is preferably flow battery.
Test and management system of the present invention carries out Real-Time Monitoring to the input and output electric quantity change between flow battery test macro and electrical network, and the electricity of test macro or test macro are inputed to electrical network export the electricity of electrical network to and the first preset value compares, determine whether to enable consumption or the waste that energy-storage units reduces electrical network electric energy according to comparative result, wherein, the usual value of first preset value is 0% ~ 20% of the total discharge energy of test macro or total rechargeable energy, such as, suppose that flow battery test macro can carry out charge-discharge test to 20 flow batteries, the discharge energy of each flow battery is not respectively 20 ~ 80kWh not etc., total discharge energy of each flow battery is 2000kWh, then the span of the first preset value is 0 ~ 400kW, whether the present invention is placed between lower limit and the upper limit P1/P2 judges, when P1/P2 is placed between lower limit and the upper limit, test and management system carries out corresponding charging measurement or discharge test by each testing apparatus to the flow battery connected respectively with it according to test plan, chooses in limited time when P1/P2 is more than or equal to from charging measurement group
individual flow battery is first tested, and chooses in limited time under P1/P2 is less than or equal to from discharge test group
individual flow battery is first tested, and upper limit value here can be 1.3, and lower limit value can be 0.7, the absolute value of difference between charging general power P1 and electric discharge general power P2 compares with the second preset value by the present invention, determine whether each flow battery starts to perform test plan simultaneously according to comparative result, wherein, second preset value can pass through C*min (P1 in practical situations both, P2) value is carried out, C is predetermined coefficient, such as C=0.1, and when choosing a part of flow battery according to comparative result needs and first carry out charging measurement or discharge test from charging measurement group or discharge test group, this a part of flow battery demand fulfillment the 3rd predetermined condition chosen, described 3rd predetermined condition is less than the second preset value for making ︱ P1 '-P2 ' ︱, wherein, P1 ' is the charging general power of new charging measurement group, P2 ' is the electric discharge general power of new discharge test group, described new charging measurement group and described new discharge test group are divided by following process, after each initial test phase corresponding to the flow battery chosen all has been tested, according to the test phase that next test phase of the initial test phase of the flow battery chosen is test phase or the electric discharge of charging, initial test phase in conjunction with the flow battery be not selected is the test phase of charging or the test phase of electric discharge, again flow battery is divided into new charging measurement group and new discharge test group, the initial test phase of the flow battery be not namely selected is the test phase of charging, be the charging measurement group that the test phase charged all belongs to new with next test phase of the initial test phase of the flow battery chosen, the initial test phase of the flow battery be not selected is the test phase of electric discharge, be the discharge test group that the test phase discharged all belongs to new with next test phase of the initial test phase of the flow battery chosen, particularly, the quantity of a part of flow battery here exists usually
between choose.The present invention is according to multiple flow battery first predetermined condition or the second predetermined condition, perform different test operations in advance, wherein, first predetermined condition is: the quantity of flow battery is higher than equaling predetermined number, second predetermined condition is: the quantity of flow battery is lower than predetermined number, and predetermined number value is here 6.The follow-up test stage of the present invention refers to for a certain flow battery, the test phase in its test plan after initial test phase.
Test plan of the present invention comprises the default test process of each flow battery, this default test process is made up of each test phase, each test phase characterizes charge power or the corresponding relation between discharge power and test duration, default test process can be characterized by default test curve particularly, Fig. 6-a, Fig. 6-b shows the curve exemplary plot of the default test process of flow battery of the present invention, wherein, the initial test phase of the default test process shown in Fig. 6-a is the test phase of charging, the initial test phase of the default test process shown in Fig. 6-b is the test phase of electric discharge, suppose to have 6 flow batteries to be tested, wherein the default test process of the 1st to the 5th flow battery is as shown in Fig. 6-a, the default test process of the 6th flow battery is as shown in Fig. 6-b, the normal charge-discharge test process of so existing test macro as shown in Figure 7, particularly, test macro absorbs electricity 480kWh by electrical network, the electricity being exported to electrical network by test macro is 480kWh, due to configuration is unidirectional ammeter, the electricity exporting electrical network to is not counted in statistics, therefore the electricity 480kWh that the required payment electricity charge are test macro to be absorbed by electrical network, test macro of the present invention is adopted to test above-mentioned 6 flow batteries to be tested, charging measurement group comprises the 1st to the 5th flow battery, discharge test group comprises the 6th flow battery, and corresponding draw charging measurement group initial test the moment time charging general power P1 be 100, and the electric discharge general power P2 of discharge test group when the initial test moment is 20, because the quantity of flow battery is higher than equaling predetermined number (predetermined number value is 6), then adopt the testing process of corresponding steps A 11 to A17, show that P1/P2 equals 5 and is more than or equal to the upper limit simultaneously, then choose from charging measurement group
individual flow battery, and according to test plan, charging measurement is carried out to the flow battery chosen by testing apparatus, until the initial test phase corresponding to the flow battery chosen all terminates, from Fig. 6-a, the time of initial test phase is 2h, then choose the charging measurement that the 4th, the 5th flow battery first completes initial test phase, Fig. 8 shows selected by the present invention
individual flow battery carries out the curve exemplary plot of testing, wherein,-2h on time shaft to 0h segment table shows the 4th, the initial test phase that 5th flow battery is fulfiled ahead of schedule, corresponding with the 0h to 2h on the time shaft shown in Fig. 6-a, afterwards by testing apparatus according to test plan to each flow battery in the flow battery be not selected in charging measurement group and discharge test group charging measurement or discharge test from respective initial test phase, according to test plan, the flow battery chosen is carried out to discharge test and the charging measurement in respective follow-up test stage simultaneously, obtain test macro charge-discharge test curve exemplary plot as shown in Figure 9, as shown in Figure 9, test macro absorbs electricity 80kWh by electrical network, the electricity being exported to electrical network by test macro is 80kWh, due to configuration is unidirectional ammeter, the electricity exporting electrical network to is not counted in statistics, therefore the electricity 80kWh that the required payment electricity charge are test macro to be absorbed by electrical network, electricity charge 400kWh is economized relative to not adopting the normal charge-discharge test procedure section of test macro of the present invention.
Figure 10 relates to another curve exemplary plot of the default test process of flow battery of the present invention, as shown in Figure 10, suppose to have 3 flow batteries to be measured, the default test process of each flow battery as shown in Figure 10, the normal charge-discharge test process of so existing test macro as shown in figure 11, particularly, test macro absorbs electricity 2150kWh by electrical network, the electricity being exported to electrical network by test macro is 1550kWh, due to configuration is unidirectional ammeter, the electricity exporting electrical network to is not counted in statistics, therefore the electricity 2150kWh that the required payment electricity charge are test macro to be absorbed by electrical network, test macro of the present invention is adopted to test above-mentioned 3 flow batteries to be tested, because the quantity of flow battery is lower than predetermined number (predetermined number value is 6), then adopt the testing process of corresponding step B11 to B17, battery 1, the initial test phase of battery 2 and battery 3 is the test phase of charging, then draw the charging general power P1 of charging measurement group when the initial test moment, the electric discharge general power P2 of discharge test group (nothing) when the initial test moment is zero, and show that ︱ P1-P2 ︱ is more than or equal to the second preset value, and P1 is greater than P2, then from charging measurement group, choose a part of flow battery, and according to test plan, charging measurement is carried out to the flow battery chosen by testing apparatus, until the initial test phase corresponding to the flow battery chosen all terminates, choosing of described a part of flow battery is satisfied 3rd pre-conditioned, particularly, choose the charging measurement that battery 2 and battery 3 first complete initial test phase, Figure 12 shows the curve exemplary plot that a part of flow battery chosen from charging measurement group carries out testing, wherein,-2h on time shaft to 0h segment table shows battery 2, the initial test phase that battery 3 is fulfiled ahead of schedule, with the battery 2 shown in Figure 10, on the time shaft of battery 3,0h to 2h section is corresponding, afterwards by testing apparatus according to test plan to each flow battery in the flow battery be not selected in charging measurement group and discharge test group charging measurement or discharge test from respective initial test phase, according to test plan, the flow battery chosen is carried out to discharge test and the charging measurement in respective follow-up test stage simultaneously, obtain test macro charge-discharge test curve exemplary plot as shown in Figure 13, as shown in Figure 13, test macro absorbs electricity 1500kWh by electrical network, the electricity being exported to electrical network by test macro is 900kWh, due to configuration is unidirectional ammeter, the electricity exporting electrical network to is not counted in statistics, therefore the electricity 1500kWh that the required payment electricity charge are test macro to be absorbed by electrical network, electricity charge 650kWh is economized relative to not adopting the normal charge-discharge test procedure section of test macro of the present invention.
Compared with flow battery test macro of the prior art, there is following advantage in the flow battery test macro based on energy-storage units provided by the invention:
1, by the flow battery of test and management system to different testing requirement and the scheduling of energy-storage units, optimize the distribution of electric energy in whole test macro, effectively reduce from electrical network power taking and the electric energy exporting electrical network to, considerably reduce consumption and the cost of electric energy in test process;
2, the power storage utilizing flow battery itself to have and release function, according to testing requirement and the power of test solution galvanic battery, only need the less startup energy, just can realize the continuous of test macro entirety and stable operation, reduce power consumption, reduce testing cost.
3, test process can realize realizing Automated condtrol completely, is suitable for battery testing that is extensive, mass.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (8)
1. based on a flow battery test macro for energy-storage units, described flow battery has multiple, it is characterized in that, described flow battery test macro comprises:
Multiple and each flow battery is connected respectively, for carrying out the testing apparatus of charging measurement and discharge test to each flow battery; Each testing apparatus is all connected with electrical network;
Connect electrical network, and via the energy-storage units of testing apparatus connecting fluid galvanic battery;
The test and management system of connecting fluid galvanic battery, testing apparatus and energy-storage units;
When flow battery test macro carries out test job, input and output electric quantity change between described test and management system Real-Time Monitoring flow battery test macro and electrical network, and judge to input to the electricity of test macro by electrical network or whether test macro exports the electricity of electrical network to lower than the first preset value, continue to monitor the input and output electric quantity change between flow battery test macro and electrical network, otherwise enable energy-storage units, and control energy-storage units charging according to inputting electricity by electrical network to test macro, export electricity to electrical network according to test macro and control energy-storage units electric discharge.
2. the flow battery test macro based on energy-storage units according to claim 1, is characterized in that described test and management system also has the following course of work:
S1: transfer test plan; Described test plan comprises the default test process of each flow battery, and described default test process is made up of each test phase, performs S2;
S2: the test phase according to initial test phase being test phase or the electric discharge of charging, is divided into charging measurement group and discharge test group, performs S3 by multiple flow battery;
S3: draw the charging general power P1 of charging measurement group when the initial test moment, the electric discharge general power P2 of discharge test group when the initial test moment, perform S4;
S4: according to the different numerical relations between P1, P2, determines whether each flow battery starts to perform test plan simultaneously.
3. the flow battery test macro based on energy-storage units according to claim 2, is characterized in that step S4 specifically comprises the steps when multiple flow battery first predetermined condition;
A11: judge whether P1/P2 is placed between lower limit and the upper limit, is, performs A12, otherwise perform A13;
A12: test and management system carries out corresponding charging measurement or discharge test by each testing apparatus to the flow battery connected respectively with it according to test plan;
A13: judge whether P1/P2 is more than or equal to the upper limit, is, performs A14, otherwise perform A16;
A14: choose from charging measurement group
individual flow battery, and according to test plan, charging measurement is carried out to the flow battery chosen by testing apparatus, until the initial test phase corresponding to the flow battery chosen all terminates, m is the quantity of flow battery to be tested, performs A15;
A15: by testing apparatus according to test plan to each flow battery in the flow battery be not selected in charging measurement group and discharge test group charging measurement or discharge test from respective initial test phase, according to test plan, the flow battery chosen is carried out to discharge test and the charging measurement in respective follow-up test stage simultaneously;
A16: choose from discharge test group
individual flow battery, and according to test plan, discharge test is carried out to the flow battery chosen by testing apparatus, until the initial test phase corresponding to the flow battery chosen all terminates, m is the quantity of flow battery to be tested, performs A17;
A17: by testing apparatus according to test plan to each flow battery in the flow battery be not selected in discharge test group and charging measurement group discharge test or charging measurement from respective initial test phase, according to test plan, the flow battery chosen is carried out to charging measurement and the discharge test in respective follow-up test stage simultaneously.
4. the flow battery test macro based on energy-storage units according to claim 2, is characterized in that step S4 specifically comprises the steps when multiple flow battery second predetermined condition;
B11: judge whether ︱ P1-P2 ︱ is less than the second preset value, is perform B12, otherwise perform B13;
B12: test and management system carries out corresponding charging measurement or discharge test by each testing apparatus to the flow battery connected respectively with it according to test plan;
B13: judge whether P1 is greater than P2, is, performs step B14, otherwise perform B16;
B14: choose a part of flow battery from charging measurement group, and according to test plan, charging measurement is carried out to the flow battery chosen by testing apparatus, until the initial test phase corresponding to the flow battery chosen all terminates, described a part of flow battery choose satisfied 3rd predetermined condition, perform B15;
B15: by testing apparatus according to test plan to each flow battery in the flow battery be not selected in charging measurement group and discharge test group charging measurement or discharge test from respective initial test phase, according to test plan, the flow battery chosen is carried out to discharge test and the charging measurement in respective follow-up test stage simultaneously;
B16: choose a part of flow battery from discharge test group, and according to test plan, discharge test is carried out to the flow battery chosen by testing apparatus, until the initial test phase corresponding to the flow battery chosen all terminates, described a part of flow battery choose satisfied 3rd predetermined condition, perform B17;
B17: by testing apparatus according to test plan to each flow battery in the flow battery be not selected in discharge test group and charging measurement group discharge test or charging measurement from respective initial test phase, according to test plan, the flow battery chosen is carried out to charging measurement and the discharge test in respective follow-up test stage simultaneously.
5. the flow battery test macro based on energy-storage units according to claim 1, is characterized in that described energy-storage units is physics energy storage device, chemical energy storage device or Power Flow device.
6. the flow battery test macro based on energy-storage units according to claim 1, is characterized in that described flow battery test macro also comprises connection electrical network, and via the load of testing apparatus connecting fluid galvanic battery; When test macro exports the electricity of electrical network to higher than equaling the first preset value, then control load work.
7. the flow battery test macro based on energy-storage units according to claim 3, is characterized in that described first predetermined condition is: the quantity of flow battery is higher than equaling predetermined number.
8. the flow battery test macro based on energy-storage units according to claim 4, is characterized in that described second predetermined condition is: the quantity of flow battery is lower than predetermined number.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116365671A (en) * | 2023-06-01 | 2023-06-30 | 苏州精控能源科技有限公司 | PCS test system and method of energy storage container, equipment and storage medium |
| CN117706378A (en) * | 2024-02-05 | 2024-03-15 | 常州拜特测控技术有限公司 | Method, system and storage medium for testing charge and discharge performance of flow battery |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2802739Y (en) * | 2005-01-05 | 2006-08-02 | 深圳市强能电气有限公司 | Energy-saving battery charge-discharge system |
| CN102361101A (en) * | 2011-09-30 | 2012-02-22 | 东莞市冠佳电子设备有限公司 | Method for energy-saving charging and discharging of cells and system for testing energy-saving charging and discharging of cells |
| CN202267739U (en) * | 2011-09-09 | 2012-06-06 | 北京索英电气技术有限公司 | Storage battery charge/discharge tester |
| DE102011105417A1 (en) * | 2011-06-20 | 2012-12-20 | Metroplan Process Management Gmbh | Battery storage plant |
| CN203502566U (en) * | 2013-08-26 | 2014-03-26 | 上海航天有线电厂 | Battery conversion energy recovery system |
| CN103956761A (en) * | 2014-04-22 | 2014-07-30 | 电子科技大学 | Mixed micro-grid system of large-scale energy recycling power battery pack test device |
| CN104362711A (en) * | 2014-11-13 | 2015-02-18 | 广东欧赛能源与自动化技术有限公司 | Efficient charge and discharge detection system for battery packs of AGV |
| CN204230948U (en) * | 2014-09-30 | 2015-03-25 | 深圳市盛弘电气有限公司 | A kind of new forms of energy feed-type charge-discharge machine |
-
2015
- 2015-10-10 CN CN201510658343.1A patent/CN105158703B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2802739Y (en) * | 2005-01-05 | 2006-08-02 | 深圳市强能电气有限公司 | Energy-saving battery charge-discharge system |
| DE102011105417A1 (en) * | 2011-06-20 | 2012-12-20 | Metroplan Process Management Gmbh | Battery storage plant |
| CN202267739U (en) * | 2011-09-09 | 2012-06-06 | 北京索英电气技术有限公司 | Storage battery charge/discharge tester |
| CN102361101A (en) * | 2011-09-30 | 2012-02-22 | 东莞市冠佳电子设备有限公司 | Method for energy-saving charging and discharging of cells and system for testing energy-saving charging and discharging of cells |
| CN203502566U (en) * | 2013-08-26 | 2014-03-26 | 上海航天有线电厂 | Battery conversion energy recovery system |
| CN103956761A (en) * | 2014-04-22 | 2014-07-30 | 电子科技大学 | Mixed micro-grid system of large-scale energy recycling power battery pack test device |
| CN204230948U (en) * | 2014-09-30 | 2015-03-25 | 深圳市盛弘电气有限公司 | A kind of new forms of energy feed-type charge-discharge machine |
| CN104362711A (en) * | 2014-11-13 | 2015-02-18 | 广东欧赛能源与自动化技术有限公司 | Efficient charge and discharge detection system for battery packs of AGV |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116365671A (en) * | 2023-06-01 | 2023-06-30 | 苏州精控能源科技有限公司 | PCS test system and method of energy storage container, equipment and storage medium |
| CN116365671B (en) * | 2023-06-01 | 2023-08-08 | 苏州精控能源科技有限公司 | PCS test system and method of energy storage container, equipment and storage medium |
| CN117706378A (en) * | 2024-02-05 | 2024-03-15 | 常州拜特测控技术有限公司 | Method, system and storage medium for testing charge and discharge performance of flow battery |
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|---|---|
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