CN108631339A - A kind of tin plating production line soft-melting system based on energy storage device - Google Patents
A kind of tin plating production line soft-melting system based on energy storage device Download PDFInfo
- Publication number
- CN108631339A CN108631339A CN201810659589.4A CN201810659589A CN108631339A CN 108631339 A CN108631339 A CN 108631339A CN 201810659589 A CN201810659589 A CN 201810659589A CN 108631339 A CN108631339 A CN 108631339A
- Authority
- CN
- China
- Prior art keywords
- power
- circuit
- controller
- energy
- active
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004146 energy storage Methods 0.000 title claims abstract description 108
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 title claims abstract description 55
- 238000007747 plating Methods 0.000 title claims abstract description 46
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 41
- 238000002844 melting Methods 0.000 title claims abstract description 17
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 63
- 238000001514 detection method Methods 0.000 claims description 20
- 238000012544 monitoring process Methods 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 8
- 239000002023 wood Substances 0.000 abstract description 8
- 239000011248 coating agent Substances 0.000 abstract description 7
- 238000000576 coating method Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 10
- 230000008859 change Effects 0.000 description 9
- 230000007547 defect Effects 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000005028 tinplate Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000010309 melting process Methods 0.000 description 2
- 238000007665 sagging Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000009969 flowable effect Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/24—Arrangements for preventing or reducing oscillations of power in networks
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/30—Electroplating: Baths therefor from solutions of tin
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/48—After-treatment of electroplated surfaces
- C25D5/50—After-treatment of electroplated surfaces by heat-treatment
- C25D5/505—After-treatment of electroplated surfaces by heat-treatment of electroplated tin coatings, e.g. by melting
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D7/00—Electroplating characterised by the article coated
- C25D7/06—Wires; Strips; Foils
- C25D7/0614—Strips or foils
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/18—Arrangements for adjusting, eliminating or compensating reactive power in networks
- H02J3/1821—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
- H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention provides a kind of tin plating production line soft-melting system based on energy storage device, in tin plating production line resistance reflow section input conductive rollers and resistance reflow section output conductive rollers connect, for the strip progress soft heat in tin plating production line, including：Resistance reflow power supply and energy storage device；Energy storage device includes：Energy-storage module, bidirectional converter and controller；The output end of resistance reflow power supply is separately connected resistance reflow section input conductive rollers and resistance reflow section output conductive rollers, forms soft heat circuit；Energy storage device is connect with resistance reflow power supply, and pass through energy-storage module, bidirectional converter and controller, compensation active power or compensating power are exported to soft heat circuit, so that the circuit active power in soft heat circuit maintains an active preset value and circuit reactive power maintains an idle preset value.Soft heat power-efficient can be improved in the present invention, realizes accurate adjustment frequency, reactive power and active power, achievees the effect that save tin coating weight and accurately eliminates " wood grain ".
Description
Technical field
The present invention relates to field of metallurgy, espespecially a kind of tin plating production line soft-melting system based on energy storage device.
Background technology
Soft-melting process is one of important procedure of tin plating production line or processing sections, tin trip is heated to the fusing point of tin
232 DEG C or more, the tin coating of belt steel surface is allowed to melt flowable state, and generate metallic luster, then, strip is through water-carrying groove
Section, strip are bright.Under low tin coating weight (1.1g/m2 and 2.8g/m2) condition of production, often there is grained striped, cause to regard
Feel difference, i.e. aesthetics is also poor, is commonly called as " wood grain " defect.Quality is had no effect on, but is sold as bad, market selling price is reduced
Lattice influence economic benefit.
Electrotinning production is the typical production line based on electric flux type.In tin plating production, there is some steel bands operation speed
Degree changes, steel plate material is uneven, tin plating section of interference can cause the current value of tin plating power supply to fluctuate, and power is made to fluctuate,
Directly affect the variation of the a-c cycle in circuit.Frequency variation directly affect it is tin plating production plate " wood grain " defect reduction or
In the presence of.
The soft heat technology of current tin plating production line, frequency that can be by setting higher than power frequency heat reply tin plate,
Substantially it solves the wood grain defect of tin plate, and has found out a set of process data or table, it is right under different tin plating techniques
Different frequency F is answered, coarse regulation scope is belonged to.But the disadvantage is that work is by tin plating production tin plating thickness change, line speed
Variation, other impacts etc. disturbed, frequency wave in electric current (load) fluctuation → power swing → circuit in soft heat electric power loop
It is dynamic → to influence the fluctuation that wood grain defect occurs, and due to there is a pair of of choke coil in electric power loop, when work power because
Number is low to cause system power supply efficiency low.
Invention content
It cannot accurately be adjusted to solve frequency existing for current soft heat technology, reactive power, soft heat power supply can not be adjusted
The problems such as efficiency is low, the embodiment of the present invention provides a kind of tin plating production line soft-melting system based on energy storage device, with tin plating production
Resistance reflow section input conductive rollers in line and the output conductive rollers connection of resistance reflow section, for in the tin plating production line
Strip carries out soft heat, the system comprises：Resistance reflow power supply and energy storage device；The energy storage device includes：It is energy-storage module, double
To current transformer and controller；
The output end of the resistance reflow power supply is separately connected the resistance reflow section input conductive rollers and resistance reflow section
Conductive rollers are exported, soft heat circuit is formed；
The energy storage device is connect with the resistance reflow power supply, and passes through the energy-storage module, bidirectional converter and control
Device processed exports compensation active power or compensating power, so that the circuit in the soft heat circuit has to the soft heat circuit
Work(power maintains an active preset value and circuit reactive power maintains an idle preset value；
Wherein, the energy-storage module is connect with the bidirectional converter, for exporting electric energy to the bidirectional converter；
The bidirectional converter is connect with the resistance reflow power supply, for exporting compensation wattful power to the soft heat circuit
Rate or compensating power；
The controller is connect with the energy-storage module and bidirectional converter, for according to the active preset value and described
Circuit active power and the idle preset value and circuit reactive power, it is defeated to the bidirectional converter to control the energy-storage module
Go out electric energy, and controls the bidirectional converter and export the compensation active power or benefit to the soft heat circuit using the electric energy
Repay reactive power.
Optionally, in one embodiment of this invention, the energy-storage module includes：Accumulator group and battery cell monitoring module；
The battery cell monitoring module is connect with the accumulator group and the controller, and the state for acquiring the accumulator group is believed
Breath, the controller is sent to by the status information.
Optionally, in one embodiment of this invention, the controller is additionally operable to according to the active preset value and circuit
Active power, the idle preset value and circuit reactive power and the status information control the electricity of the energy-storage module output
Pressure value and current value.
Optionally, in one embodiment of this invention, the bidirectional converter includes a current transformer control module, the change
Stream device control module is connect with the controller；The controller is described two-way by controlling the current transformer control module adjusting
The compensation active power or compensating power of current transformer output.
Optionally, in one embodiment of this invention, the energy storage device further includes：First electro-detection module and the second electricity
Detection module；The first electro-detection module is connect with the controller, for acquiring the circuit in the soft heat circuit
Active power and circuit reactive power, and the circuit active power and circuit reactive power are sent to the controller；Institute
It states the second electro-detection module to connect with the controller, the compensation active power for acquiring the bidirectional converter output
Or compensating power, and the compensation active power or compensating power are sent to the controller.
Optionally, in one embodiment of this invention, the controller is additionally operable to circuit active power and institute described in comparison
Circuit reactive power described in active preset value and comparison and the idle preset value are stated, comparison result is exported；According to the comparison
As a result, control the energy-storage module and the bidirectional converter exports the compensation active power or compensation to the soft heat circuit
Reactive power.
Optionally, in one embodiment of this invention, when the circuit active power is less than the active preset value, institute
It states controller and controls the energy-storage module and the bidirectional converter to the soft heat circuit output compensation active power；When
When the circuit reactive power is less than the idle preset value, the controller controls the energy-storage module and the Bidirectional variable-flow
Device exports the compensating power to the soft heat circuit.
Optionally, in one embodiment of this invention, the controller is additionally operable to be sent out according to the second electro-detection module
The compensation active power sent and the active preset value adjust the compensation active power of the bidirectional converter output
Value；The compensating power and the idle preset value sent according to the second electro-detection module adjusts described double
The value of the compensating power exported to current transformer.
Optionally, in one embodiment of this invention, the controller connects with the master controller in the tin plating production line
It connects, for receiving the active preset value and idle preset value that the master controller is sent.
Optionally, in one embodiment of this invention, the resistance reflow power supply include power module and output transformer,
The output transformer is connect with the power module and the energy storage device.
The present invention is by the way that during soft heat tin trip, thus active power and reactive power in regulating loop change
Become the frequency characteristic and power factor in circuit, improve soft heat power-efficient, realize accurate adjustment frequency, reactive power and
Active power achievees the effect that save tin coating weight and accurate elimination " wood grain ".
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, embodiment will be described below
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description be only the present invention some
Embodiment for those of ordinary skill in the art without having to pay creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is a kind of structural schematic diagram of the tin plating production line soft-melting system based on energy storage device of the embodiment of the present invention；
Fig. 2 is that a kind of energy storage device structure of the tin plating production line soft-melting system based on energy storage device of the embodiment of the present invention shows
It is intended to；
Fig. 3 is a kind of equivalent circuit diagram of the tin plating production line soft-melting system based on energy storage device of the embodiment of the present invention；
Fig. 4 is a kind of effect emulation figure of the tin plating production line soft-melting system based on energy storage device of the embodiment of the present invention.
Symbol description：
110 resistance reflow section input grounding roller, 120 resistance reflow section output ground connection roller
210 resistance reflow section input choke-coil, 220 resistance reflow section output choke
300 resistance reflow section soft heat tower, 400 hardening slot and sinking roller
500 squeeze roller, 610 resistance reflow section inputs conductive rollers
620 resistance reflow sections export 700 slewing rollers of conductive rollers
800 resistance reflow power supplys
810 output transformers (single-phase)
820 power modules (single-phase)
900 energy storage devices
910 bidirectional converters
920 accumulator groups
930 controllers
Specific implementation mode
The embodiment of the present invention provides a kind of tin plating production line soft-melting system based on energy storage device.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without creative efforts
Embodiment shall fall within the protection scope of the present invention.
It is a kind of structural representation of the tin plating production line soft-melting system based on energy storage device of the embodiment of the present invention as shown in Figure 1
Scheme, system inputs conductive rollers 610 with the resistance reflow section in tin plating production line in figure and resistance reflow section output conductive rollers 620 connect
It connects, for carrying out soft heat to the strip in the tin plating production line, the system comprises：Resistance reflow power supply 800 and energy storage dress
Set 900；The energy storage device 900 includes：Energy-storage module 920, bidirectional converter 910 and controller 930；
The output end of the resistance reflow power supply 800 is separately connected the resistance reflow section input conductive rollers 610 and resistance
Soft heat section exports conductive rollers 620, forms soft heat circuit；
The energy storage device 900 is connect with the resistance reflow power supply 800, and passes through the energy-storage module 920, two-way change
Device 910 and controller 930 are flowed, compensation active power or compensating power are exported to the soft heat circuit, so that the soft heat
Circuit active power in circuit maintains an active preset value and circuit reactive power maintains an idle preset value；
Wherein, the energy-storage module 920 is connect with the bidirectional converter 910, for defeated to the bidirectional converter 910
Go out electric energy；
The bidirectional converter 910 is connect with the resistance reflow power supply 800, is compensated for being exported to the soft heat circuit
Active power or compensating power；
The controller 930 is connect with the energy-storage module 920 and bidirectional converter 910, for according to described active pre-
If value and the circuit active power and the idle preset value and circuit reactive power, control the energy-storage module 920 to institute
It states bidirectional converter 910 and exports electric energy, and control the bidirectional converter 910 and exported to the soft heat circuit using the electric energy
The compensation active power or compensating power.
In the present embodiment, arrow direction as shown in Figure 1 is the moving direction of strip in tin plating production line, resistance reflow
Two output ends of power supply 800 are separately connected resistance reflow section input conductive rollers 610 and resistance reflow section output conductive rollers 620,
With resistance reflow section input grounding roller 110, resistance reflow section input choke-coil 210, resistance reflow section soft heat tower 300, hardening slot
Circuit is collectively formed with sinking roller 400 and squeeze roller 500, as soft heat circuit, resistance reflow power supply 800 passes through soft heat circuit pair
Strip carries out soft heat.Resistance reflow power supply 800 is connected in parallel with energy storage device 900 simultaneously, when occurring strip fortune in soft heat circuit
Row velocity variations, steel plate material be uneven, when tin plating section of interference, the active power of output into circuit of energy storage device 900
Or reactive power, to maintain soft heat circuit to be run with stable working condition.Wherein, the active power in soft heat circuit can claim
For circuit active power, the reactive power in soft heat circuit can be described as circuit reactive power, can pre-set circuit active power
With the value of circuit reactive power, be referred to as active preset value and idle preset value, soft heat circuit be maintained at active preset value with
When idle preset value, it is ensured that smooth stablize of softening-melting process carries out, and active preset value can be according to reality with idle preset value
Construction operating condition is set.
Specifically, energy storage device 900 includes energy-storage module 920, bidirectional converter 910 and controller 930, wherein energy storage
Module 920 is connect with bidirectional converter 910, and controller 930 is connect with energy-storage module 920, bidirectional converter 910.Controller 930
According to circuit active power and active preset value, the circuit reactive power and idle preset value in soft heat circuit, energy storage mould is controlled
Block 920 exports electric energy to bidirectional converter 910, and it is big to be specifically as follows the voltage and current values that control energy-storage module 900 exports
It is small.Meanwhile controller 930 controls the electric energy that bidirectional converter 910 is exported using energy-storage module 920, is exported into soft heat circuit
Active power or reactive power are specifically as follows 910 output voltage of control bidirectional converter, electric current and number of phases etc..By energy storage
The active power that device 900 exports can be referred to as compensation active power, the reactive power can be referred to as compensating power.
As an embodiment of the present invention, it is a kind of based on the tin plating of energy storage device to be illustrated in figure 2 the embodiment of the present invention
The energy storage device structure schematic diagram of production line soft-melting system, energy-storage module 920 as shown in the figure include：Accumulator group and battery cell monitoring
Module；Battery cell monitoring module is connect with accumulator group and the controller, the status information for acquiring accumulator group, by state
Information is sent to controller 930.Wherein, battery cell monitoring module is connect with accumulator group, controller 930, by collected electric power storage
The status information of pond group is sent to controller 930, the status information of accumulator group be specifically as follows battery current electric quantity, voltage,
The data such as electric current.
In the present embodiment, controller 930 be additionally operable to according to active preset value and circuit active power, idle preset value and
Circuit reactive power and status information, the voltage and current values of control energy-storage module output.Controller 930 receives battery inspection
After surveying the accumulator group status information that module is sent, according to circuit active power and active preset value, circuit reactive power and nothing
Work(preset value and status information, control energy-storage module export electric energy.Specifically, controller 930 is according to circuit active power and has
Work(preset value, circuit reactive power and idle preset value may determine that value or the compensation of the compensation active power of required output
The value of reactive power, while judging whether current accumulator group is capable of providing corresponding voltage according to the status information of accumulator group
And electric current, it is achieved in the utilization rate for improving accumulator group, and effective protection accumulator group.
As an embodiment of the present invention, bidirectional converter 910 as shown in Figure 2 includes that a current transformer controls mould
Block, current transformer control module are connect with controller 930；Controller 930 adjusts Bidirectional variable-flow by controlling current transformer control module
The compensation active power or compensating power that device 910 exports.Specifically, controller 930 is realized by transformer control module
Adjusting to the performance number that bidirectional converter 910 exports further can adjust Bidirectional variable-flow by transformer control module
Voltage, electric current and the number of phases etc. that device 910 exports.Preferably, such as PCS (Power Control may be used in bidirectional converter
System)。
In the present embodiment, bidirectional converter 910 as shown in Figure 2 further includes a DC/AC two-way changing modules, for realizing
Bidirectional modulation.
As an embodiment of the present invention, energy storage device 900 as shown in Figure 2 further includes：First electro-detection module
With the second electro-detection module；First electro-detection module is connect with controller 930, for acquiring the circuit wattful power in soft heat circuit
Rate and circuit reactive power, and circuit active power and circuit reactive power are sent to controller 930；Second electro-detection module
It connect, compensation active power or compensating power for acquiring the output of bidirectional converter 910, and will mend with controller 930
It repays active power or compensating power is sent to controller 930.
In the present embodiment, controller 930 be additionally operable to comparison loop active power and active preset value and comparison loop without
Work(power and idle preset value, export comparison result；According to comparison result, controls energy-storage module and bidirectional converter and returned to soft heat
Road output compensation active power or compensating power.
Wherein, controller 930 according to the first electro-detection module acquire circuit active power in soft heat circuit and circuit without
Work(power, comparison loop active power compare with active preset value and comparison loop reactive power and idle preset value, output
As a result.Energy-storage module 920 and the output of bidirectional converter 910 compensation active power or compensating reactive power work(are controlled according to the comparison result
Rate.Specifically, when circuit active power is less than active preset value, controller 930 controls energy-storage module 920 and bidirectional converter
910 export compensation active power to soft heat circuit；When circuit reactive power is less than idle preset value, the control storage of controller 930
Energy module 920 and bidirectional converter 910 export compensating power to soft heat circuit.
Further, when circuit active power is less than active preset value, controller 930 judges the value of circuit active power
With the difference of active preset value, energy-storage module 920 is controlled according to the difference and bidirectional converter 910 exports corresponding wattful power
Rate.It is similar, when circuit reactive power is less than idle preset value, controller 930 judge the value of circuit reactive power with it is idle
The difference of preset value controls energy-storage module 920 according to the difference and bidirectional converter 910 exports corresponding reactive power.
It is noted that when the active power in soft heat circuit is adjusted in energy storage device 900, may be implemented accurate
Frequency in adjustment circuit may be implemented accurately to adjust when the reactive power in soft heat circuit is adjusted in energy storage device 900
Power factor in whole circuit improves the efficiency of resistance reflow power supply.
In the present embodiment, controller 930 is additionally operable to the compensation active power sent according to the second electro-detection module and has
Work(preset value, the value for the compensation active power that adjustment bidirectional converter 910 exports；The compensation sent according to the second electro-detection module
Reactive power and the idle preset value, the value for the compensating power that adjustment bidirectional converter 910 exports.Controller is according to
The value and circuit active power of the compensation active power of the bidirectional converter output of two electro-detection modules acquisition, adjust two-way change
Flow the value for the compensation active power that device 910 exports, the value and this process of the compensating power that adjustment bidirectional converter 910 exports
Unanimously.This process is feedback control procedure, preferably, can be with droop control.
As an embodiment of the present invention, controller 930 is connect with the master controller in the tin plating production line, is used for
Receive the active preset value and idle preset value that master controller is sent.The master control of controller 930 and tin plating production line as shown in Figure 2
Device connection processed, active preset value and idle preset value can be pre-set by master controller.In addition, as shown in Fig. 2, resistance is soft
It is additionally provided between molten 800 output end of power supply and resistance reflow section input conductive rollers 610 and resistance reflow section output conductive rollers 620
Tin plating power transformer.
As an embodiment of the present invention, resistance reflow power supply includes power module 820 and exports transformer 810, defeated
Go out transformer 810 to connect with power module 820 and energy storage device 900.As shown in Figure 1, including power supply mould in resistance reflow power supply
Block 820 and output transformer 810.
Further, energy storage device 900 can adjust it certainly according to the frequency size of 800 outlet side of resistance reflow power supply
The working condition of body.Preferably, can be, for example,：As 800 outlet side frequency range F of resistance reflow power supply<96%F, energy storage dress
It sets 900 and is not located at charged state (beginning preparing for discharge condition)；As 800 outlet side frequency range 96%F≤F of resistance reflow power supply
<99%F, energy storage device 900, which is in charged state 0.2s, switchs to discharge condition, active power of output, and continuous operation；Resistance
800 outlet side frequency range 99%F≤F of soft heat power supply≤100.4%F, energy storage device 900, which is in, charges normal or prepares electric discharge
State is run；800 outlet side frequency range 100.4%F of resistance reflow power supply<F≤101%F, 900 charged state of energy storage device；
800 outlet side frequency range F of resistance reflow power supply>101%F, energy storage device 900 continue to be in charged state, bidirectional converter
910 allow to operate in and work or fix tentatively work between frequency adjustment range.
In addition, 900 self-protecting measure of energy storage device, when the voltage fluctuation of resistance reflow power supply 800 exceeds a range
When, it can control the normal work of energy storage device 900 and shut down operation.Preferably, can be, for example,：Resistance reflow power supply 800 exports
Side voltage range U>50%UN, assist active device 900 to be in opening time and be no more than 0.2s, UNIt is defeated for resistance reflow power supply 800
Go out side rated voltage；800 outlet side voltage range 50%U of resistance reflow power supplyN≤U<85%UN, energy storage device 900 is in separating brake
Time is no more than 2s；800 outlet side voltage range 85%U of resistance reflow power supplyN≤U<110%UN, energy storage device 900 is in just
Normal charge or discharge operation；800 outlet side voltage range 110%U of resistance reflow power supplyN≤U<120%UN, at energy storage device 900
It is no more than 2s in opening time；800 outlet side voltage range 120%U of resistance reflow power supplyN≤ U, energy storage device 900 are in point
The lock time is no more than 0.2s.
It is illustrated in figure 3 a kind of equivalent circuit of the tin plating production line soft-melting system based on energy storage device of the embodiment of the present invention
Scheme, can be seen that in Fig. 3, resistance reflow power supply 800 is connected in parallel with energy storage device 900.Meanwhile with resistance reflow power supply 800 and
What energy storage device 900 was connected in parallel also has between resistance reflow section input grounding roller 110 and resistance reflow section output ground connection roller 120
Strip resistance, additionally include two reactors.
Wherein, the load due to choke coil 210 and 220 as soft-melting system, reactance is larger, greatly reduces resistance reflow
The power factor and power-efficient of power supply 800.The reactive power and special algorithm that adjustment energy storage device 900 exports calculate knot
Fruit carrys out closed-loop control reactive power, under some plants working condition in technique initialization, reaches accurate power control factor.Generally
Improve 15% or more power-efficient.Preferably, can be, for example,：800 output power factor of resistance reflow power supply only need to be (super
Before)~0.98 (- 0.98 between (lag)<CosΦ<+ 0.98), energy storage device 900 is in output reactive power Q.It adjusts idle
Power is ensured steady to be obtained in certain frequency in heating in tin plate with the voltage of 800 outlet side of steady resistance soft heat power supply
Fixed power, is evenly heated tin coating, and tin coating is caused to be evenly distributed on substrate.
In addition, energy storage device 900, has control function：In tin plating production line situation, can be put automatically into charging the latter
Electric working condition；It can be directly connected to technical grade network and perimeter network with external communication；Battery-operated shape can be monitored
Condition；Charging and discharging number, i.e. active power, reactive power output times and the number of output are automatically recorded, in conjunction with each technique
Tin coating weight carries out cost accounting；The automatic protection ability of device.
It is illustrated in figure 4 a kind of effect emulation of the tin plating production line soft-melting system based on energy storage device of the embodiment of the present invention
Figure, simulated conditions are：Resistance reflow power supply capacity：20kVA, energy storage device：2kVA, supply frequency：50Hz (as nominal value),
Active power tracks slope：1/50 energy storage device power.Wherein, using the droop control method of active power and FREQUENCY CONTROL,
Control the frequency in tin plating production electric power loop, detailed process is：A, frequency response is in the dead zone：It is less than nominal value in frequency
In the case of, active power is not involved in modulation or control.B, droop control：In the feelings of frequency departure (being less than nominal value frequency values)
Under condition, energy storage power device must provide positive active power output variation according to sagging strategy.It should be noted that sagging control
System can be used symmetrically.On the contrary, more than (being higher than nominal frequency value) frequency setting value, it is necessary to provide negative electricity change
Change.Tin plating production line frequency does not influence to eliminate " wood text " defect higher than setting value.C, maximum power capability：First, by lowest frequency
The maximum power value that can be provided in energy storage device power supply is arranged in rate value.More than the value, control system does not work.
Figure 4, it is seen that when soft-melting system frequency declines, have using the energy storage device output compensation in the present invention
Work(power may be implemented to adjust system frequency precisely in real time, achieve the effect that accurate frequency modulation, frequency accuracy range：- 4%≤δ
≤+1%.
Tin plating production line resistance reflow power supply works together with energy storage device in through the invention, when tin plating by tin plating production
Thickness change, the variation of line speed, other disturbances impact it is current, energy storage device by automatic active power of output, with
The active power lost in supplement resistance reflow electric power loop, keeps general power constant, it is ensured that the working frequency in circuit is constant.
And at work, the low voltage in electric power loop or reactive power are low, energy storage device by automatic output reactive power into
Row compensation, improves voltage, power factor and the efficiency in resistance reflow electric power loop.Thus change circuit in frequency characteristic with
And power factor, soft heat power-efficient is improved, accurate adjustment frequency, reactive power and active power is realized, reaches saving plating
Tin amount and the accurate effect for eliminating " wood grain ".
Particular embodiments described above has carried out further in detail the purpose of the present invention, technical solution and advantageous effect
Describe in detail it is bright, it should be understood that the above is only a specific embodiment of the present invention, the guarantor being not intended to limit the present invention
Range is protected, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should be included in this
Within the protection domain of invention.
Claims (10)
1. a kind of tin plating production line soft-melting system based on energy storage device inputs conductive with the resistance reflow section in tin plating production line
Roller and the output conductive rollers connection of resistance reflow section, for carrying out soft heat to the strip in the tin plating production line, which is characterized in that
The system comprises：Resistance reflow power supply and energy storage device；The energy storage device includes：Energy-storage module, bidirectional converter and control
Device processed；
The output end of the resistance reflow power supply is separately connected the resistance reflow section input conductive rollers and the output of resistance reflow section
Conductive rollers form soft heat circuit；
The energy storage device is connect with the resistance reflow power supply, and by the energy-storage module, bidirectional converter and controller,
Compensation active power or compensating power are exported to the soft heat circuit, so that the circuit active power in the soft heat circuit
It maintains an active preset value and circuit reactive power maintains an idle preset value；
Wherein, the energy-storage module is connect with the bidirectional converter, for exporting electric energy to the bidirectional converter；
The bidirectional converter is connect with the resistance reflow power supply, for the soft heat circuit export compensation active power or
Compensating power；
The controller is connect with the energy-storage module and bidirectional converter, for according to the active preset value and the circuit
Active power and the idle preset value and circuit reactive power control the energy-storage module and export electricity to the bidirectional converter
Can, and control the bidirectional converter and export the compensation active power or compensation nothing to the soft heat circuit using the electric energy
Work(power.
2. system according to claim 1, which is characterized in that the energy-storage module includes：Accumulator group and battery cell monitoring
Module；The battery cell monitoring module is connect with the accumulator group and the controller, the shape for acquiring the accumulator group
The status information is sent to the controller by state information.
3. system according to claim 2, which is characterized in that the controller be additionally operable to according to the active preset value and
Circuit active power, the idle preset value and circuit reactive power and the status information control the energy-storage module output
Voltage and current values.
4. system according to claim 1, which is characterized in that the bidirectional converter includes a current transformer control module,
The current transformer control module is connect with the controller；The controller adjusts institute by controlling the current transformer control module
State the compensation active power or compensating power of bidirectional converter output.
5. system according to claim 1, which is characterized in that the energy storage device further includes：First electro-detection module with
Second electro-detection module；
The first electro-detection module is connect with the controller, for acquiring the circuit wattful power in the soft heat circuit
Rate and circuit reactive power, and the circuit active power and circuit reactive power are sent to the controller；
The second electro-detection module is connect with the controller, and the compensation for acquiring the bidirectional converter output has
Work(power or compensating power, and the compensation active power or compensating power are sent to the controller.
6. system according to claim 5, which is characterized in that the controller is additionally operable to circuit active power described in comparison
With circuit reactive power described in the active preset value and comparison and the idle preset value, comparison result is exported；According to described
Comparison result, control the energy-storage module and the bidirectional converter to the soft heat circuit export the compensation active power or
Compensating power.
7. system according to claim 6, which is characterized in that when the circuit active power is less than the active preset value
When, the controller controls the energy-storage module and the bidirectional converter and exports the compensation wattful power to the soft heat circuit
Rate；When the circuit reactive power is less than the idle preset value, the controller controls the energy-storage module and described pair
The compensating power is exported to current transformer to the soft heat circuit.
8. system according to claim 5, which is characterized in that the controller is additionally operable to according to the second electro-detection mould
The compensation active power and the active preset value that block is sent, the compensation for adjusting the bidirectional converter output are active
The value of power；The compensating power and the idle preset value sent according to the second electro-detection module, adjusts institute
State the value of the compensating power of bidirectional converter output.
9. system according to claim 1, which is characterized in that the controller and the master control in the tin plating production line
Device connects, for receiving the active preset value and idle preset value that the master controller is sent.
10. system according to claim 1, which is characterized in that the resistance reflow power supply includes power module and output
Transformer, the output transformer are connect with the power module and the energy storage device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810659589.4A CN108631339B (en) | 2018-06-25 | 2018-06-25 | Tin plating production line reflow system based on energy storage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810659589.4A CN108631339B (en) | 2018-06-25 | 2018-06-25 | Tin plating production line reflow system based on energy storage device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108631339A true CN108631339A (en) | 2018-10-09 |
| CN108631339B CN108631339B (en) | 2024-02-06 |
Family
ID=63688346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810659589.4A Active CN108631339B (en) | 2018-06-25 | 2018-06-25 | Tin plating production line reflow system based on energy storage device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108631339B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110318081A (en) * | 2019-08-05 | 2019-10-11 | 昆山培雷特成套机电设备有限公司 | A kind of electroplating assembly line processing unit (plant) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201261813Y (en) * | 2008-09-23 | 2009-06-24 | 北京机械工业自动化研究所 | Continuous electrotinning equipment for strip steel |
| CN102031544A (en) * | 2010-12-08 | 2011-04-27 | 北京机械工业自动化研究所 | Production method and equipment for continuously electroplating tin on strip steel |
| CN102994932A (en) * | 2012-10-15 | 2013-03-27 | 天津市亿博制钢有限公司 | Processing method of variable-frequency resistance softening-melting process of tinned plate |
| CN104659804A (en) * | 2013-11-20 | 2015-05-27 | 沈阳工业大学 | Micro power grid with hybrid energy storage, and control method of micro power grid |
| CN208337171U (en) * | 2018-06-25 | 2019-01-04 | 中冶京诚工程技术有限公司 | A kind of tin plating production line soft-melting system based on energy storage device |
-
2018
- 2018-06-25 CN CN201810659589.4A patent/CN108631339B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201261813Y (en) * | 2008-09-23 | 2009-06-24 | 北京机械工业自动化研究所 | Continuous electrotinning equipment for strip steel |
| CN102031544A (en) * | 2010-12-08 | 2011-04-27 | 北京机械工业自动化研究所 | Production method and equipment for continuously electroplating tin on strip steel |
| CN102994932A (en) * | 2012-10-15 | 2013-03-27 | 天津市亿博制钢有限公司 | Processing method of variable-frequency resistance softening-melting process of tinned plate |
| CN104659804A (en) * | 2013-11-20 | 2015-05-27 | 沈阳工业大学 | Micro power grid with hybrid energy storage, and control method of micro power grid |
| CN208337171U (en) * | 2018-06-25 | 2019-01-04 | 中冶京诚工程技术有限公司 | A kind of tin plating production line soft-melting system based on energy storage device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110318081A (en) * | 2019-08-05 | 2019-10-11 | 昆山培雷特成套机电设备有限公司 | A kind of electroplating assembly line processing unit (plant) |
| CN110318081B (en) * | 2019-08-05 | 2023-10-17 | 昆山培雷特成套机电设备有限公司 | Processing device for electroplating production line |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108631339B (en) | 2024-02-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106849106B (en) | DC distribution net system voltage flexible control method | |
| CA2784999C (en) | Devices and methods for decentralized coordinated volt/var control | |
| CN109301849A (en) | A kind of energy management combination control tactics of user side battery energy storage power station | |
| CN103606932B (en) | The low voltage dynamic reactive-power compensation capacitor autocontrol method that load is relevant | |
| CN108075491A (en) | The power quality treatment method of APF, SVC combination based on micro-grid energy storage system | |
| CN107425529A (en) | A kind of UPQC control method and device based on power coordination distribution | |
| CN106026142B (en) | three-phase load unbalance compensation method and system | |
| CA2783426A1 (en) | Devices and methods for decentralized volt/var control | |
| CN106849144A (en) | A kind of electric arc furnaces energising power system and its control method containing energy storage | |
| CN108011378A (en) | Receiving end layer-specific access extra-high voltage direct-current underload powerless control method and control device | |
| CN109245123A (en) | A kind of cascade connection type energy-storage system multi-machine parallel connection virtual synchronous control system and method | |
| CN107910869B (en) | A kind of distribution static series compensator control system and its control method | |
| CN110380438A (en) | A kind of fast frequency hopping control method considering energy storage operation limit | |
| CN110048438A (en) | A kind of distribution feeder stage load Poewr control method based on Model Predictive Control | |
| CN110829473A (en) | Power distribution network energy storage optimization configuration method and system considering power four-quadrant output | |
| CN103618308B (en) | The alternating current circuit trend autocontrol method of a kind of interchange transmission system in parallel with flexible direct current | |
| CN110011344A (en) | A kind of energy-storage system and its control method | |
| CN107230979B (en) | A kind of power grid automatic voltage optimal control method | |
| CN110311403A (en) | Low-voltage network voltage power integrated control method based on distributed photovoltaic power generation | |
| CN107947623B (en) | The multi-modal autonomous progress control method of two-way AC/DC converter under the conditions of a kind of laod unbalance | |
| CN208337171U (en) | A kind of tin plating production line soft-melting system based on energy storage device | |
| CN107895948A (en) | A kind of harmonic detecting method of photovoltaic group string inverter | |
| CN108631339A (en) | A kind of tin plating production line soft-melting system based on energy storage device | |
| CN110460056A (en) | The control method for coordinating of series compensation link and alternating current-direct current bus interface converter | |
| CN107732955A (en) | A kind of wind power generation high voltage direct current transportation method and device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |