CN109474188A - Three level high-voltage high-power water-cooling frequency convertor system - Google Patents
Three level high-voltage high-power water-cooling frequency convertor system Download PDFInfo
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- CN109474188A CN109474188A CN201811642075.4A CN201811642075A CN109474188A CN 109474188 A CN109474188 A CN 109474188A CN 201811642075 A CN201811642075 A CN 201811642075A CN 109474188 A CN109474188 A CN 109474188A
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- 238000001816 cooling Methods 0.000 title claims abstract description 96
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 69
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 45
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 45
- 239000010703 silicon Substances 0.000 claims abstract description 45
- 238000004804 winding Methods 0.000 claims abstract description 43
- 230000005284 excitation Effects 0.000 claims abstract description 35
- 238000006243 chemical reaction Methods 0.000 claims abstract description 14
- 238000010521 absorption reaction Methods 0.000 claims description 28
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 18
- 229910052802 copper Inorganic materials 0.000 claims description 18
- 239000010949 copper Substances 0.000 claims description 18
- 230000009977 dual effect Effects 0.000 claims description 13
- 230000007246 mechanism Effects 0.000 claims description 11
- 230000017525 heat dissipation Effects 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 6
- 239000011888 foil Substances 0.000 claims description 5
- 238000012544 monitoring process Methods 0.000 claims description 5
- 239000003990 capacitor Substances 0.000 claims description 3
- 239000010409 thin film Substances 0.000 claims description 3
- 210000001367 artery Anatomy 0.000 claims 1
- 210000003462 vein Anatomy 0.000 claims 1
- 238000001914 filtration Methods 0.000 abstract description 3
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 230000006872 improvement Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 230000005611 electricity Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/003—Constructional details, e.g. physical layout, assembly, wiring or busbar connections
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/12—Arrangements for reducing harmonics from ac input or output
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/14—Mounting supporting structure in casing or on frame or rack
- H05K7/1422—Printed circuit boards receptacles, e.g. stacked structures, electronic circuit modules or box like frames
- H05K7/1427—Housings
- H05K7/1432—Housings specially adapted for power drive units or power converters
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20927—Liquid coolant without phase change
Abstract
The present invention relates to a kind of three level high-voltage high-power water-cooling frequency convertor systems, comprising: water cooling filter cabinet, prolongable bridge arm parallel connection frequency conversion device cabinet, digital regulator cubicle, water cooling excitation winding system cabinet, water cycle cooling system cabinet；The water cooling filter cabinet, prolongable bridge arm parallel connection frequency conversion device cabinet, digital regulator cubicle, water cooling excitation winding system cabinet, water cycle cooling system cabinet mutually assemble from left to right and the high-power water-cooling frequency converter system of cabinet formation complete set, wherein: the water cooling filter cabinet reduces input higher hamonic wave, is used for smothing filtering；Inhibit bridge arm parallel system because of harmonic wave interference caused by extra long distance input；The water cooling excitation winding system cabinet realizes that mono-/bis-covers 6 pulse SCR rectification excitation winding system function of three-phase by silicon controlled rectifier mould group difference assembling mode.The present invention can effectively inhibit bridge arm parallel system because of harmonic wave interference caused by extra long distance input, balance bridge arm parallel connection frequency conversion device input current, it is effective to improve space utilization, it is further provided one more stable service condition of " frequency converter based on doube bridge arm power cell " system.
Description
Technical field
The present invention relates to a kind of frequency converters, and in particular to three level of one kind can expand the change of bridge arm parallel high voltage high-power water-cooling
Frequency device belongs to electric control structure component technology field.
Background technique
Big-power transducer application technology (CN201711497980.0 patent of invention) comparative maturity at present, it is most of
The radiating efficiency that modularization maintenance, power component can be met, greatly solves the problems, such as space utilization；Pass through doube bridge arm function
Different modes, the quantity such as left and right bridge arm parallel connection, doube bridge arm power cell modules in parallel are combined inside rate cell module, flexibly
The expansion of a variety of output powers of frequency converter is realized in diversification, adapts to the application of different output power demand.But existing skill
Art frequency converter in use, can badly damaged frequency converter often by the impact from surge current and surge voltage
Performance and used life；Harmonic wave interference caused by frequency converter is inputted in extra long distance；The space utilization of excitation winding system accounts for
According to biggish use space, and the poor service life for influencing thyristor of heat dissipation performance.
Summary of the invention
The present invention exactly for the technical problems in the prior art, proposes a kind of three level high-voltage high-power water-cooling frequency conversion
The device system technical solution uses each component modularized design, and smart structural design is compact, simple, easy to promote and utilize.
To achieve the goals above, technical scheme is as follows: a kind of three level high-voltage high-power water-cooling frequency converter
System, the system include: water cooling filter cabinet, prolongable bridge arm parallel connection frequency conversion device cabinet, digital regulator cubicle, water cooling excitation around
Group system cabinet, water cycle cooling system cabinet；The water cooling filter cabinet, prolongable bridge arm parallel connection frequency conversion device cabinet, digital tune
Mutually assembling and cabinet form a set of three level height from left to right for section cabinet, water cooling excitation winding system cabinet, water cycle cooling system cabinet
Press high-power water-cooling frequency convertor system.
Preferably, the water cooling filter cabinet 1 includes high-power water cooling reactor, circulation reactor mould group, disturbs
Flow fan, filter cabinet body；The high-power water cooling reactor is mounted on the downside of filter interior of the cabinet；The circulation electricity
Anti- device mould group is mounted in filter cabinet body or so fixed beam；The flow-disturbing assembling is on filter cabinet door top；The height
Pressure high-power water-cooling reactor, circulation reactor mould group, flow-disturbing blower are mounted on filter cabinet body corresponding positions by bindiny mechanism
It sets.
Preferably, the high-power water cooling reactor is using novel hydroelectric separation, foil winding technologe water cooling electricity
Anti- device；
Preferably, the circulation reactor mould group is made of six air reactors, and two one group, end of incoming cables passes through copper bar string
It is parallel-connected to water cooling reactor, leading-out terminal is connected to bridge arm parallel connection rectification variable-frequency device system by copper bar in series and parallel.
Preferably, the water cooling excitation winding system cabinet includes 6 pulse silicon controlled rectifier mould group of three-phase, over-voltage absorption guarantor
Protect mould group, control mould group, dual system switching module, excitation winding cabinet body；6 pulse silicon controlled rectifier mould group of the three-phase setting peace
Mounted in the excitation winding cabinet body top side Zuo Huozhong, the over-voltage absorbs protection mould group and is arranged in excitation winding cabinet body upper right,
The lower part of 6 pulse silicon controlled rectifier mould group of three-phase is arranged in the control mould group；The dual system switching module setting is controlling
On rear side of mould group；The 6 pulse silicon controlled rectifier mould group of three-phase, over-voltage absorb protection mould group, control mould group, dual system switching module
Excitation winding cabinet body corresponding position is mounted on by bindiny mechanism.
Preferably, the 6 pulse silicon controlled rectifier mould group of three-phase includes water-cooled radiator, cell enclosure, silicon-controlled, resistance
Hold silicon-controlled, resistance-capacitance absorption, pulse amplifier plate described in absorption, pulse amplifier plate and water-cooled radiator one is mounted on by bindiny mechanism
Side.
Preferably, the water-cooled radiator designs two-sided mounting structure, it is described it is silicon-controlled be three two-tube silicon-controlled, point
It is not mounted on three pieces of copper bars, the resistance-capacitance absorption includes six Absorption Capacitances, six absorption resistances, is distributed in series and parallel two-by-two
On the copper bar of every silicon-controlled connection.
Preferably, the resistance-capacitance absorption is novel thin film capacitor, and the copper of silicon-controlled connection is mounted on by bindiny mechanism
On row, absorption resistance is mounted at runner heat dissipation corresponding with water-cooled radiator by bolt.
It preferably, further include monitoring temperature PT, the monitoring temperature PT is mounted on water-cooled radiator by bindiny mechanism
It is placed in the middle up and down to lean on into inlet and outlet side position.
Preferably, the over-voltage absorbs protection mould group and is made of varistor, fastp-acting fuse and rectifier bridge, described
It is subsequent that varistor, fastp-acting fuse and rectifier bridge by bindiny mechanism are mounted on six pulse silicon controlled rectifier mould group of three-phase
Alternating current inlet wire side.
Preferably, the control mould group is by pulse distribution plate, relay, Switching Power Supply, insulating monitor, monitoring temperature
Instrument, voltage transformer composition, the pulse distribution plate, relay, Switching Power Supply, insulating monitor, temperature monitor, voltage are mutual
Sensor is assembled on a mounting plate, forms a control mould group.
Preferably, it is preferred that the dual system switching module is made of multy-way switching disconnecting link, can by switching disconnecting link
To fast implement the switching of different exciting winding system.
Compared with the existing technology, the invention has the advantages that,
1) a kind of water cooling filter cabinet is provided, program water cooling filter cabinet uses high-power water cooling reactor, can drop
Low input higher hamonic wave is used for smothing filtering, is effectively protected frequency converter and improves power factor, can prevent from power grid
Interference, and can be reduced pollution of the harmonic current of rectification unit generation to power grid；High-power water cooling reactor is using novel
Hydroelectric separation, foil winding technologe water cooling reactor, further solve large power reactor bring heat dissipation problem, cooperate
" frequency converter based on doube bridge arm power cell " water-cooling heat radiating system, improves integral space utilization ratio；
2) circulation reactor mould group, harmonic wave interference caused by inhibiting bridge arm parallel connection rectification variable-frequency device system to input over long distances, balance
Bridge arm parallel connection frequency conversion device input current, it is further provided " frequency converter based on doube bridge arm power cell " system one is more stable
Service condition；
3) water-cooled radiator mode is used, system radiating performance is greatly improved；Excitation winding system passes through silicon controlled rectifier mould group
Different number, form carry out component assembling and realize that mono-/bis-set 6 pulse SCR rectification excitation winding system function of three-phase is opened up
Exhibition；It is effective to improve space utilization
4) increase dual system handoff functionality, the switching of different exciting winding system can be fast implemented；Optimize resistance-capacitance absorption scheme, mentions
High capacitance-resistance assimilation effect, effectively improves system reliability；
5) the technical solution structure is simple, has the advantages that low cost and high reliability；Each component modularized design, can more accelerate
Prompt realization Fast Installation maintenance, it is further provided " frequency converter based on doube bridge arm power cell " system one is more stable
Service condition.
Detailed description of the invention
Fig. 1 is that three level of the invention can expand bridge arm parallel high voltage high-power water-cooling frequency changer schematic diagram.
Fig. 2 is water cooling filter cabinet schematic diagram of the invention.
Fig. 3 is circulation reactor mould group series and parallel structure schematic diagram of the invention.
Fig. 4 is high-power water cooling reactor structural schematic diagram of the invention.
Fig. 5 is excitation winding system structure diagram of the invention；
Fig. 6 is six pulse silicon controlled rectifier modular structure schematic diagram of three-phase of the invention；
In figure: 1, water cooling filter cabinet, 2, prolongable bridge arm parallel connection frequency conversion device cabinet, 3, digital regulator cubicle, 4, water cooling excitation
Winding system cabinet, 5, water cycle cooling system cabinet, 101, high-power water cooling reactor, 102, circulation reactor mould group,
103, flow-disturbing blower, 104, filter cabinet body, 401, silicon controlled rectifier mould group, 402, over-voltage absorption protection mould group, 403, control
Mould group, 404, dual system switching module, 405, cabinet body, 4011, water-cooled radiator, 4012, cell enclosure, 4013, two-tube controllable
Silicon, 4014, resistance-capacitance absorption, 4015, pulse amplifier plate, 4016 monitoring temperature PT.
Specific embodiment:
In order to deepen the understanding of the present invention, the present embodiment is described in detail with reference to the accompanying drawing.
Embodiment 1: referring to Fig. 1, a kind of three level high-voltage high-power water-cooling frequency convertor system, comprising: water cooling filter cabinet
1, prolongable bridge arm parallel connection frequency conversion device cabinet 2, digital regulator cubicle 3, water cooling excitation winding system cabinet 4, water cycle cooling system
Cabinet 5；The water cooling filter cabinet 1, prolongable bridge arm parallel connection frequency conversion device cabinet 2, digital regulator cubicle 3, water cooling excitation winding system
Mutually assembling and cabinet form a set of more perfect high-power water cooling change from left to right for system cabinet 4, water cycle cooling system cabinet 5
Frequency device system.
Embodiment 2: referring to fig. 2, as an improvement of the present invention, the water cooling filter cabinet 1 includes high-power
Water cooling reactor 101, circulation reactor mould group 102, flow-disturbing blower 103, filter cabinet body composition 104；The high-power
Water cooling reactor 101 is mounted on 104 inner lower of filter cabinet body, is mounted by means of bolts on filter cabinet body channel steel base
On；The circulation reactor mould group 102 is mounted on 1 top of high-power water cooling reactor, is clamped by screw rod, insulation support solid
After fixed, it is fixedly mounted in filter cabinet body or so fixed beam using bolt；The flow-disturbing blower 103 is mounted on filter cabinet
104 tops are preferably mounted on behind ancillary filter net group；The high-power water cooling reactor 101, circulation reactor mould
Group 102, flow-disturbing blower 103 are fixedly mounted on 104 corresponding position of filter cabinet body by connection types such as bolt, guide rails.
Embodiment 3: referring to fig. 2-4, as an improvement of the present invention, the high-power water cooling reactor 101, suppression
Surge voltage processed and surge current protect frequency converter, prolong its service life and prevent harmonic wave interference, improve the power of frequency converter
Factor and inhibition harmonic current, filter out harmonic voltage and harmonic current, can prevent interference and rectification from power grid
Pollution of the harmonic current that unit generates to power grid；Using novel hydroelectric separation, foil winding technologe reactor, further solve
Large power reactor bring heat dissipation problem cooperates " frequency converter based on doube bridge arm power cell " water-cooling heat radiating system, mentions
High integral space utilization ratio；The high-power water cooling reactor 101 is mounted on 104 inner lower of filter cabinet body.Institute
Flow-disturbing blower is stated, is solved because filter cabinet body seals, inside can not externally form effective air circulation, gradually cause residual heat
Amount is overstock, and is mounted on filter cabinet body front/rear door filter cabinet body, using 16 pleat sectional material of cabinet body of standard, the in parallel, slot by cabinet body
The Optimal Structure Designings such as steel, angle steel parallel connection reinforcing, increase cabinet body load-bearing capacity.Fig. 4 is high-power water cooling reactor structure
Schematic diagram embeds water-cooled radiator using hydroelectric separation structure, and cooling circulating water is isolated with high-tension coil, reduces water quality, peace
Full demand cooperates frequency converter cooling system, saves overall cost.
Embodiment 4: referring to Fig. 3, as an improvement of the present invention, the circulation reactor mould group 102, using three group six
A air reactor, 2 one group of ends of incoming cables are connected to water cooling reactor 1 by copper bar 1 in series and parallel, and leading-out terminal is gone here and there by copper bar 2
It is parallel-connected to bridge arm parallel connection rectification variable-frequency device system, it is humorous caused by inhibiting bridge arm parallel connection rectification variable-frequency device system to input over long distances
Wave interference balances bridge arm parallel connection frequency conversion device input current, it is further provided " frequency converter based on doube bridge arm power cell " system
One more stable service condition；The circulation reactor mould group 102 is mounted on 104 upper inside of filter cabinet body.
Embodiment 5 is referring to Fig. 5, and as an improvement of the present invention, the water cooling excitation winding system cabinet 4 includes three-phase 6
Pulse silicon controlled rectifier mould group 401, over-voltage absorb protection mould group 402, control mould group 403, dual system switching module 404, excitation
Winding cabinet body 405；The 6 pulse silicon controlled rectifier mould group 401 of three-phase is mounted on excitation winding cabinet body by sliding rail, bolt setting
Left/middle side in 405 tops, the over-voltage absorb protection mould group 402 and provide over-voltage suction for 1 inside thyristor of silicon controlled rectifier mould group
It receives, defencive function, is arranged in 405 upper right of excitation winding cabinet body；The control mould group 403 provides control, transmission, triggering function
Can, the lower part of 6 pulse silicon controlled rectifier mould group 401 of three-phase is set by bolt；The dual system switching module 404 is by multichannel
Switch disconnecting link composition, by bolt setting in 403 rear side of control mould group；The 6 pulse silicon controlled rectifier mould group 401 of three-phase, mistake
Pressure absorbs protection mould group 402, control mould group 403, dual system switching module 404 and is fixedly mounted by bolt, guide rail connection type
In 405 corresponding position of excitation winding cabinet body.
Embodiment 6 is referring to Fig. 6, as an improvement of the present invention, 6 pulse silicon controlled rectifier mould group 401 of the three-phase packet
Include water-cooled radiator 4011, cell enclosure 4012, three two-tube silicon-controlled 4013, resistance-capacitance absorption 4014, pulse amplifier plate 4015；
Described three two-tube silicon-controlled 4013, resistance-capacitance absorption 4014, pulse amplifier plate 4015 water-cooled radiator 101 is mounted on by bolt
Function connects are completed by copper bar mode in side.One temperature detection PT4016 is set on water-cooled radiator 4011, chooses spiral shell
Hydrant is directly anchored to about 101 water-cooled radiator between two parties by providing heat-sink temperature signal into inlet and outlet side position；Pulse
Power board 4105 is three pieces, and each pulse amplifier plate 4015 triggers corresponding silicon-controlled 4013 function action of control respectively；It is described double
It manages silicon-controlled 4013, resistance-capacitance absorption 4014 to be connected with each other by connecting copper bar, whole and water-cooled radiator 4011, cell enclosure
4012 are designed to a silicon controlled rectifier assembly module group unit 401, are mounted on excitation winding cabinet body by sliding rail, bolt setting
Left/middle side in 405 tops.
Embodiment 7 is referring to Fig. 6, and as an improvement of the present invention, resistance-capacitance absorption 4104 includes six Absorption Capacitances, six
Absorption resistance is distributed in series and parallel two-by-two on the copper bar of every silicon-controlled connection, is connected in series and parallel according to actual condition by changing
Mode is connect, realizes parameter regulation.Absorption Capacitance chooses novel thin film capacitor, directly passes near the peace such as cable, bolt, copper bar
On the copper bar for filling silicon-controlled 4013 connection, absorption resistance, which is directly designed, is mounted on the corresponding stream of water-cooled radiator 4011 by bolt
Road heat dissipation, improves 4014 effect of resistance-capacitance absorption, effectively improves system reliability.
Embodiment 8 is referring to Fig. 6, and as an improvement of the present invention, the water-cooled radiator 4011 designs two-sided installation knot
Structure；Described three two-tube silicon-controlled 4013, resistance-capacitance absorption 4014, pulse amplifier plate 4015 be mounted on water-cooled radiator 4,011 1
Side is connected by modes such as copper bars, and every side can carry out component assembling by different number, form, realize according to demand it is single/
Double six pulse SCR rectification excitation winding functions of set three-phase.
For embodiment 9 referring to Fig. 6, the over-voltage absorbs protection mould group by varistor, fastp-acting fuse and rectifier bridge group
At by cable, being bolted to six pulse silicon controlled rectifier mould group subsequent system alternating current inlet wire side of three-phase, realize that stabilization can
The over-voltage leaned on absorbs defencive function, and the peak voltage of more efficient quick absorption system exchange reduces di/dt, protects silicon-controlled.
Embodiment 10 is referring to Fig. 6, and as an improvement of the present invention, the control mould group 403 is by pulse distribution plate, relay
Device, Switching Power Supply, insulating monitor, temperature monitor, voltage transformer composition, the pulse distribution plate, relay, switch electricity
Source, insulating monitor, temperature monitor, voltage transformer are assembled on a mounting plate, form a control mould group；The control
Molding group 403 by optical fiber transmission, receives signal to totally by the control of the electrical components such as pulse distribution plate, relay, transmission
Regulation system cabinet, by temperature monitor receive radiator temperature detect temperature, voltage transformer detection system voltage, thus
Control, triggering silicon controlled rectifier module system component, are further ensured that system stability, improve system reliability.
Embodiment 11 is referring to Fig. 6, and as an improvement of the present invention, the dual system switching module 404 is by multy-way switching
Switch composition can fast implement the switching of different exciting winding system by switching switch.Three level height can flexibly be met
Press high-power water-cooling frequency convertor system to cover excitation winding system configuration and multiple excitation magnetic system switching demand more.
From the above mentioned as it can be seen that water cooling filter cabinet uses high-power water cooling reactor, it is humorous that input high order can be reduced
Wave is used for smothing filtering, is effectively protected frequency converter and improves power factor, can prevent the interference from power grid and subtract
Pollution of the harmonic current that few rectification unit generates to power grid；High-power water cooling reactor uses novel electricity separation
Formula, foil winding technologe water cooling reactor, further solve large power reactor bring heat dissipation problem, and cooperation " is based on doube bridge arm
The frequency converter of power cell " water-cooling heat radiating system, improves integral space utilization ratio；Circulation reactor mould group is set, bridge is inhibited
Arm parallel system balances bridge arm parallel connection frequency conversion device input current, further mentions because of harmonic wave interference caused by extra long distance input
For one more stable service condition of " frequency converter based on doube bridge arm power cell " system.Each component of excitation winding system cabinet
Installation maintenance is more efficiently realized in modularized design；Realize that mono-/bis-covers 6 pulse SCR rectification excitation winding system of three-phase
Functions expanding, the switching of different exciting winding system, while gathering corresponding over-voltage and absorbing the system modules such as protection, control system,
Equipment stable operation is protected, the reliability of system is greatly improved.
The present invention can also be by least one of described technical characteristic of embodiment 2,3,4,5,6,7,8,9,10,11 and reality
It applies the combination of example 1 and forms new embodiment.
It should be noted that above-described embodiment, is not intended to limit the scope of protection of the present invention, in above-mentioned technical proposal
On the basis of made equivalents or substitution each fall within the range that the claims in the present invention are protected.
Claims (10)
1. a kind of three level high-voltage high-power water-cooling frequency convertor system characterized by comprising water cooling filter cabinet can be expanded
Bridge arm parallel connection frequency conversion device cabinet, digital regulator cubicle, water cooling excitation winding system cabinet, water cycle cooling system cabinet；The water cooling
Filter cabinet, prolongable bridge arm parallel connection frequency conversion device cabinet, digital regulator cubicle, water cooling excitation winding system cabinet, water circulation cooling
Mutually simultaneously cabinet forms a set of three level high-voltage high-power water-cooling frequency convertor system to system cabinet for assembling from left to right.
2. three level high-voltage high-power water-cooling frequency convertor system according to claim 1, which is characterized in that the water cooling filter
Wave device cabinet includes high-power water cooling reactor, circulation reactor mould group, flow-disturbing blower, filter cabinet body；The high pressure is big
Power water cooling reactor is mounted on the downside of filter interior of the cabinet；The circulation reactor mould group is mounted on filter cabinet body or so
In fixed beam；The flow-disturbing assembling is on filter cabinet door top；The high-power water cooling reactor, circulation reactor
Mould group, flow-disturbing blower are mounted on filter cabinet body corresponding position by bindiny mechanism.
3. three level high-voltage high-power water-cooling frequency convertor system according to claim 2, which is characterized in that the high pressure is big
Power water cooling reactor uses novel hydroelectric separation, foil winding technologe water cooling reactor.
4. three level high-voltage high-power water-cooling frequency convertor system according to claim 2, the circulation reactor mould group by
Six air reactor compositions, two one group, end of incoming cables is connected to water cooling reactor by copper bar in series and parallel, and leading-out terminal passes through copper
Row is connected to bridge arm parallel connection rectification variable-frequency device system in series and parallel.
5. three level high-voltage high-power water-cooling frequency convertor system according to claim 1, it is characterised in that: the water cooling is encouraged
Magnetic winding system cabinet includes 6 pulse silicon controlled rectifier mould group of three-phase, over-voltage absorption protection mould group, control mould group, dual system switching
Mould group, excitation winding cabinet body；The 6 pulse silicon controlled rectifier mould group of three-phase setting be mounted on excitation winding cabinet body top it is left or in
Side, the over-voltage absorb the setting of protection mould group in excitation winding cabinet body upper right, and the control mould group is arranged in 6 pulse of three-phase
The lower part of silicon controlled rectifier mould group；The dual system switching module setting is on rear side of control mould group；6 pulse of three-phase is silicon-controlled
Rectification mould group, over-voltage absorb protection mould group, control mould group, dual system switching module and are mounted on excitation winding cabinet by bindiny mechanism
Body corresponding position.
6. three level high-voltage high-power water-cooling frequency convertor system according to claim 5, which is characterized in that the three-phase 6
Pulse silicon controlled rectifier mould group includes water-cooled radiator, cell enclosure, silicon-controlled, resistance-capacitance absorption, controllable described in pulse amplifier plate
Silicon, resistance-capacitance absorption, pulse amplifier plate are mounted on water-cooled radiator side by bindiny mechanism.
7. three level high-voltage high-power water-cooling frequency convertor system according to claim 6, which is characterized in that the water cooling dissipates
Hot device designs two-sided mounting structure, it is described it is silicon-controlled be three two-tube silicon-controlled, be separately mounted on three pieces of copper bars, the capacitance-resistance
Absorbing 104 includes six Absorption Capacitances, six absorption resistances, is distributed in series and parallel on the copper bar of every silicon-controlled connection two-by-two.
8. three level high-voltage high-power water-cooling frequency convertor system according to claim 7, which is characterized in that the capacitance-resistance is inhaled
Receiving is novel thin film capacitor, is mounted on the copper bar of silicon-controlled connection by bindiny mechanism, absorption resistance is mounted on by bolt
At runner heat dissipation corresponding with water-cooled radiator.
9. three level high-voltage high-power water-cooling frequency convertor system according to claim 6, which is characterized in that further include temperature
PT is monitored, the monitoring temperature PT is mounted on water-cooled radiator by bindiny mechanism and is leaned between two parties up and down into inlet and outlet side position.
10. three level high-voltage high-power water-cooling frequency convertor system according to claim 5, which is characterized in that the control
Mould group is made of pulse distribution plate, relay, Switching Power Supply, insulating monitor, temperature monitor, voltage transformer, the arteries and veins
Distribution plate, relay, Switching Power Supply, insulating monitor, temperature monitor, voltage transformer is rushed to be assembled on a mounting plate,
Form a control mould group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811642075.4A CN109474188B (en) | 2018-12-29 | 2018-12-29 | Three-level high-voltage high-power water-cooling frequency converter system |
Applications Claiming Priority (1)
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| CN109474188B (en) | 2024-03-15 |
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