CN108011306A - A kind of integrated type alternating current-direct current power supply and distribution device and its operating method - Google Patents
A kind of integrated type alternating current-direct current power supply and distribution device and its operating method Download PDFInfo
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- CN108011306A CN108011306A CN201711329171.9A CN201711329171A CN108011306A CN 108011306 A CN108011306 A CN 108011306A CN 201711329171 A CN201711329171 A CN 201711329171A CN 108011306 A CN108011306 A CN 108011306A
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- cabinet
- direct current
- module
- power supply
- integrated type
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/20—Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
-
- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
-
- 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
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/33569—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements
-
- 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
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/53—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/537—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
- H02M7/5387—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration
Abstract
A kind of integrated type alternating current-direct current power supply and distribution device, including the composition such as DC/DC DC convertings module, DC/AC inverter modules, DC25V DC convertings module, direct current main distribution module, exchange main distribution module, storage battery charging and monitoring modular, AC380V/AC220V three-phases voltage changing module, composite bus bar, geomantic omen cold heat exchanger, fan and its packet control system.Integrated type alternating current-direct current power supply and distribution apparatus structure of the invention is compact, integrated level is high, redundancy is high, highly reliable, suitable for power transformation in tight space and the functional requirement of distribution, using modularized design, convenient maintenance and replacement, using wind water cooling integrated design thought, concentrate heat generating components direct water-cooling, scattered heating module wind water cooling, heat is finally all taken away by cooling water, space thermic load is not increased, especially suitable for hundred multikilowatt power supply and distribution of electric power system designs, there is general applicability.Also disclose integrated type alternating current-direct current power supply and distribution device operating method.
Description
Technical field
The present invention relates to electric energy conversion and power supply and distribution field, and in particular to a kind of integrated type alternating current-direct current power supply and distribution dress
Put and its operating method.
Background technology
Due to the needs of power change and power supply and distribution, modern power systems design is general to be all separately provided transformation of electrical energy dress
Put, the equipment such as DC distribution panel, AC distribution plate, transformer, battery charging plant.
There are a series of shortcomings for common designing scheme：
1st, equipment is numerous, integrated level is low：Each is an autonomous device with electrical nodes, transformation of electrical energy node, is caused
System equipment substantial amounts, species are various；
2nd, volume is big, weight weight：Traditional copper bus-bar technology, air-cooled technology and conventional circuit breaker are bulky, if
Standby volume becomes larger therewith；
3rd, needed between more equipment by a large amount of cable connections, cause system to occupy volume increase；
4th, the type of cooling of distinct device also disunity, has no longer been applicable in for the more demanding occasion of space environment.
The a variety of drawbacks in view of more than, using composite bus bar technology, mixing wind Water Cooling Technology, modularization distribution transforming power technology,
The integrated type power transformation of Intelligent circuit breaker and the design of the energy stream of optimization, distribution design, are to solve problem above
Effective way.
The content of the invention
The purpose of the present invention is for integrated transformation of electrical energy and power supply and distribution demand, there is provided a kind of compact-sized, integrated level
The integrated type alternating current-direct current power supply and distribution device high, redundancy is high, highly reliable.
Specifically, the present invention provides a kind of integrated type alternating current-direct current power supply and distribution device, including at least two simultaneously
The cabinet set is arranged, each cabinet includes a set of alternating current-direct current power supply and distribution device, and the pedestal of the cabinet is bottom engraved structure；
The cabinet includes at least upper and lower two layers, and the right babinet of lower floor's cabinet is used for configuring direct current main distribution module, external dc electricity
Source inlet wire is all entered the right babinet of lower floor's cabinet by the side plate and top plate of the base bottom through the pedestal
In be connected with the switch lower end of the direct current main distribution module, the switch upper end outlet of direct current main distribution module enters lower floor's cabinet
In the middle housing of body, it is connected with configuring the composite bus bar in the middle housing of lower floor's cabinet, the leading-out terminal of composite bus bar
Travel further into the right babinet of upper strata cabinet, become with configuring the DC/DC direct currents below the right babinet of the upper strata cabinet
The connection of block end of incoming cables is changed the mold, by DC/DC boosting isolated variables, the DC/DC DC convertings module outgoing line end enters upper strata case
In the middle housing of body, further it is connected with the composite bus bar, the outlet of composite bus bar is again introduced into the right of upper strata cabinet
Babinet, is connected with the end of incoming cables for configuring the DC/AC inverter modules above the right babinet of upper strata cabinet, by three-phase DC/AC
Inversion, the outlet of the DC/AC inverter modules are connected to exchange main distribution mould of the configuration on the middle housing upper strata of upper strata cabinet
The alternating-current switch of block, whole current energy stream from bottom to top, successively by the direct current main distribution module, DC/DC DC convertings
Module, DC/AC inverter modules all go out with main distribution module, exchange outlet is exchanged at the top of the middle housing of upper strata cabinet
Go；Further include the AC380V/AC220V three-phase voltage changing modules in lower floor's cabinet middle housing；Configuration is further included in upper strata cabinet
Storage battery charging and monitoring modular below the middle housing of body, the storage battery charging are parallel to the direct current with monitoring modular
Main distribution mould battery switch upper and lower ends in the block, it is in the block by the direct current main distribution mould during storage battery supplying power for outside
Battery switch supplying power for outside, when storage battery charges, the direct current main distribution mould battery switch in the block disconnects, and storage battery leads to
The storage battery charging is crossed to charge with monitoring modular.
Further, cooling system is further included, the cooling system includes geomantic omen cold heat exchanger and fan and its packet control
System processed, the middle housing of lower floor's cabinet two side plates and upper strata cabinet middle housing the side plate of left and right two on all
Multiple fan windows are provided with, each fan window is used to configure fan, and fan packet control system configuration is in upper strata cabinet
On the panel of middle housing.
Further, the operation of every group of fan can be independently controlled according to load condition, is internally formed certainly in equipment
The air passage of from left to right or right-to-left, air passage is configured between the left side babinet of upper strata cabinet and the left side babinet of lower floor's cabinet,
Air passage is also configured between the right babinet of upper strata cabinet and the right babinet of lower floor's cabinet, so when fan rotates, in cabinet
Internal portion is formed the circulated air of closing.
Further, the geomantic omen cold heat exchanger configuration is in the left side babinet of upper strata cabinet or lower floor's cabinet, the base
The water inlet of seat sidepiece enters the geomantic omen cold heat exchanger, air by the bottom plate of water pipe through the left side babinet of lower floor's cabinet
Exchange heat with cooling water in the geomantic omen cold heat exchanger, the outlet pipe of the geomantic omen cold heat exchanger passes through lower floor's cabinet
Connected after the box bottom of the left side with the sidepiece water outlet of the pedestal.
Further, the DC/DC DC convertings module and DC/AC inverter modules are designed using modularization drawer type, water
Road and circuit interface use push-in design.
Another aspect of the present invention additionally provides a kind of method for operating integrated type alternating current-direct current power supply and distribution device, bag
Include using the exterior direct current main power source power supply provided, the step operated to the integrated type alternating current-direct current power supply and distribution device
Suddenly：
Step 1, first closing by hand external dc main power source power switch, composite bus bar obtain electric, DC25V DC converting moulds
Block input terminal obtains electric machine, and integrated type alternating current-direct current power supply and distribution device DC24V systems obtain electric；
Step 2, close a floodgate each DC24V auxiliary power supplies switch again, and DC24V power supply indicator lights are bright；
Step 3, press DC/DC DC convertings module and the start button of DC/AC inverter modules again, corresponding work instruction
Lamp is bright, shows that DC/DC DC convertings module and DC/AC inverter modules have been turned on work, integrated type alternating current-direct current power supply and distribution
Device AC380V systems obtain electric；
Step 4, close a floodgate AC380V/AC220V three-phase voltage changing module input switches again, and integrated type alternating current-direct current is for matching somebody with somebody
Electric installation AC220V systems obtain electric；
Step 5, close a floodgate each AC220V auxiliary power supplies switch again, and AC220V power supply indicator lights are bright；
Step 6, pass through direct current main distribution module on operation panel and the switch knob closed pair for exchanging main distribution module again
Inductive switch, the combined floodgate indicator light of respective switch is bright, shows to switch closing success；
Step 7, press wind turbine start button, and the blower fan work indicator light of respective sets is bright, shows fan and its packet control
System successful operation.
Further, storage battery charging and monitoring modular rate-determining steps are further included：
Step 1, disconnect direct current main distribution mould battery switch in the block；
Step 2, the charging of closure storage battery and the contactor KM1 of monitoring modular input side, at this time storage battery charging and monitoring
Module powers on, and CAN communication is established；
Step 3, set initial voltage Uo and current limit value io, Uo to be arranged to and current time accumulator battery voltage phase
Together, power-on command is retransmited, storage battery charging is started to work with monitoring modular, and output voltage gradually rises up to setting value Uo, then
Charging module output side contactor KM2 is closed, storage battery charging immediately enters charging operating mode with monitoring modular；
Step 4, the output voltage for setting charging module are DC480V, and current limit value is 30A, charging module automatically into
Constant voltage and current limiting pattern, i.e., first carry out constant-current charge, then carries out constant-voltage charge；
Step 5, when battery current is less than 3A, it is believed that charging complete, at this time to storage battery charging and monitoring modular
Issue shutdown command, module shutdown；
After step 6, successively manual brake separating contactor KM1 and KM2, KM1 and KM2 separating brakes, whole charging process finishes.
The advantage of the invention is that：
1) integrated type alternating current-direct current power supply and distribution device of the present invention is by a variety of important power transformations of electric system, distribution
Integration of equipments designs, and employs composite bus bar technology, substantially reduces equipment volume and weight, suitable for power transformation in tight space
With the functional requirement of distribution.
2) integrated type alternating current-direct current power supply and distribution device of the present invention uses wind water cooling integrated design thought, collection
Middle heat generating components direct water-cooling, disperses heating module wind water cooling, and heat is finally all taken away by cooling water, improves heat dissipation effect
Rate, does not increase space thermic load.
3) integrated type alternating current-direct current power supply and distribution device of the present invention uses modularized design, each function module body
Product is small, light-weight, and transformation of electrical energy module is designed using drawer type, circuit and water route interface can fast insert-pull, convenient maintenance with
Quick universal.
4) the storage battery charging in power supply and distribution device of the present invention can realize first constant-current charge with monitoring modular, then certainly
The dynamic constant voltage and current limiting pattern that enters charges, and the information such as the voltage of part typical monomers battery, temperature can be monitored in real time.
5) molded case circuit breaker in power supply and distribution device of the present invention is small, compact-sized, protection seting
Value can on-line tuning, electric parameter passes through CAN communication interface on-line normalization.
6) integrated type alternating current-direct current power supply and distribution device operating method of the present invention, complies with energy flow direction,
Bottom direct current inlet wire, middle part transformation of electrical energy, the design concept of top exchange outlet are employed, energy stream realizes conversion from bottom to top
With transmission.
7) integrated type alternating current-direct current power supply and distribution device of the present invention and its operating method have general applicability,
, can be with further genralrlization to MW class direct current region power supply and distribution device especially suitable for hundred multikilowatt power supply and distribution of electric power system designs
In the mentality of designing of communication area power supply and distribution device.
Brief description of the drawings
Fig. 1 is the overall structure diagram of integrated type alternating current-direct current power supply and distribution device of the present invention；
Fig. 2 is the Section A-A schematic diagram in Fig. 1；
Fig. 3 is the left view of Fig. 1；
The structure diagram of the single cabinet of Fig. 4 being integrated integrated form alternating current-direct current power supply and distribution devices；Functional schematic
Fig. 5 is the DC/DC DC converting module topology structure charts of integrated type alternating current-direct current power supply and distribution device of the present invention
Fig. 6 is the DC/AC inverter module topology diagrams of integrated type alternating current-direct current power supply and distribution device of the present invention
Fig. 7 is the storage battery charge circuit topological diagram of integrated type alternating current-direct current power supply and distribution device of the present invention
Embodiment
Technical scheme is described in detail below in conjunction with the accompanying drawings.
Referring to Fig. 1, the overall structure diagram of the integrated type alternating current-direct current power supply and distribution device of the present invention is shown, should
Integrated type alternating current-direct current power supply and distribution device includes multiple cabinets being set up in parallel, and two are shown as in Fig. 1-2, but it should
Understand, multiple cabinets, such as three, four can be used.Each cabinet includes a set of alternating current-direct current power supply and distribution device, such as
This, can integrate more set alternating current-direct current power supply and distribution devices.
Referring to Fig. 2, it is the Section A-A view of the pedestal of cabinet described in Fig. 1, it can be seen that the pedestal is engraved for bottom
Hollow structure, is not solid base, and the bottom of hollow out is used for wiring and cooling pipe connects up.
Referring to Fig. 3, it is the left view of the integrated type alternating current-direct current power supply and distribution device of the present invention, it can be seen that
The side of pedestal has inlet opening 11 and apopore 12, for providing cooling source to whole device.
Fig. 4 shows the internal structure signal of the single cabinet of the integrated type alternating current-direct current power supply and distribution device of the present invention
Figure.As shown in figure 4, the cabinet includes at least upper and lower two layers, every layer of cabinet at least has three babinets.
The right babinet of lower floor's cabinet is used for configuring direct current main distribution module 4, and external dc power inlet wire is all by described
The side plate and top plate of base bottom through the pedestal enter in the right babinet of lower floor's cabinet with the direct current master
The switch lower end connection of Power entry module 4, the switch upper end outlet of direct current main distribution module 4 enter the middle housing of lower floor's cabinet
In, it is connected with configuring the composite bus bar 9 in the middle housing of lower floor's cabinet, the leading-out terminal of composite bus bar 9 travels further into
In the right babinet of upper strata cabinet, with configuring 1 inlet wire of DC/DC DC convertings module below the right babinet of the upper strata cabinet
End connection, by DC/DC boosting isolated variables, 1 leading-out terminal of DC/DC DC convertings module enters the intermediate box of upper layer box body
In body, it is connected with the composite bus bar 9, the outlet of composite bus bar 9 is again introduced into the right babinet of upper strata cabinet, with configuring upper
2 end of incoming cables of DC/AC inverter modules connection above the right babinet of layer cabinet, it is inverse by three-phase DC/AC inversions, the DC/AC
Become 2 outlet of module and be connected to alternating-current switch of the configuration in the exchange main distribution module 5 on the middle housing upper strata of upper strata cabinet, it is whole
A energy stream from bottom to top, successively by the direct current main distribution module 4, DC/DC DC convertings module 1, DC/AC inverter modules
2 with exchange main distribution module 5, exchange outlet is all gone out at the top of the middle housing of upper strata cabinet.
AC380V/AC220V three-phase voltage changing module 7 of the configuration in lower floor's cabinet middle housing is further included, it is connected to
The leading-out terminal of DC/AC inverter modules 2, is depressurized to AC220V, to being external to AC220V distribution boxs by transformer by AC380V.
Storage battery charging and monitoring modular 6 of the configuration below the middle housing of upper strata cabinet are further included, is parallel to described
Battery switch upper and lower ends in direct current main distribution module 4, during storage battery group supplying power for outside, pass through the direct current main distribution mould
Battery switch supplying power for outside in block 4, during battery charging, the battery switch in the direct current main distribution module 4 breaks
Open, storage battery group is charged by the storage battery and charged with monitoring modular 6.
The geomantic omen cold heat exchanger 8 and fan and its packet control system 10 collectively constitute the cooling system of this equipment, wind
Fan can divide at least three groups of settings, referring to Fig. 4, in two side plates of middle housing and the intermediate box of upper strata cabinet of lower floor's cabinet
Multiple fan windows are both provided with the side plate of left and right two of body, each fan window is used to configure fan, fan and its packet
Control system 10 is configured on the panel of the middle housing of upper strata cabinet.Every group of wind can independently be controlled according to load condition
The operation of fan, can be internally formed the air passage of (or right-to-left) from left to right, the left side babinet of upper strata cabinet is with in equipment
Air passage is configured between the left side babinet of layer cabinet, is also matched somebody with somebody between the right babinet of upper strata cabinet and the right babinet of lower floor's cabinet
Air passage is equipped with, so when fan rotates, the circulated air of closing is formed inside cabinet, it is different according to the rotating speed of fan,
Circulated air from top to bottom (or from bottom to top) by geomantic omen cold heat exchanger 8, the geomantic omen cold heat exchanger 8 configure upper strata cabinet or under
In the left side babinet of layer cabinet.Equipment lower inside right-to-left (or from left to right) forms air passage, left part from bottom to top (or from
Under above) pass through the geomantic omen cold heat exchanger 8.
The water inlet of the pedestal sidepiece enters the wind by the bottom plate of water pipe through the left side babinet of lower floor's cabinet
Water cooling heat exchanger 8, air and cooling water exchange heat in the geomantic omen cold heat exchanger 8.The water outlet of the geomantic omen cold heat exchanger 8
Mouth further by water pipe be connected to DC/DC DC convertings module 1, DC/AC inverter modules 2 back, they are cooled down
Heat exchange, then turns again to the left side babinet of lower floor's cabinet, through the left side box bottom of lower floor's cabinet after from the pedestal
Sidepiece water outlet leave.
The DC/DC DC convertings module 1 and DC/AC inverter modules 2 are designed using modularization drawer type, can be easily
Extract out and be put into from the babinet of cabinet.Water route and circuit interface use push-in design, and fast and easy changes the outfit.
In one embodiment, the multiple configurations of cooling control unit ECU, the cooling control unit ECU monitoring are further included to exist
Temperature sensor inside cabinet, ECU control the rotary speed of fan and the circulation speed of cooling water according to the temperature monitored
Degree.In order to improve convection effects, the loop direction for cooling down current is opposite with the loop direction for cooling down wind.
In another embodiment, each cabinet is independently arranged a set of cooling system.In another embodiment,
Multiple cabinets share a set of cooling system, are both provided with fan group on the side plate between two babinets in adjacent left and right at this time, and the
It is both configured to air company above and below the left side of one cabinet between layer box body, above and below the right of last cabinet between layer box body
It is logical, and the geomantic omen cold heat exchanger 8 is located in left side upper strata or the lower layer box body of first cabinet.
1 main circuit topological structure of DC/DC DC convertings module as shown in figure 3, using three Level Full Bridge topological structures,
Input voltage：DC350-450V, output voltage：DC700V, switching frequency：15kHz, rated power：50kW；
2 main circuit topological structure of DC/AC inverter modules is as shown in figure 4, using NPC topological structures, input voltage：
DC700V, output voltage：AC380V, switching frequency：15kHz, rated power：50kW；
3 input voltage of DC25V DC convertings module：DC350-450V, output voltage：DC25V, rated power：
2.5kW；
The direct current main distribution module 4 and the molded case circuit breaker that exchanges in main distribution module 5 by breaker body,
Motor-operating mechanism, electric quantity monitoring annex and plug-in type erecting bed etc. form, and electric quantity monitoring annex is installed on breaker and insertion
Between formula erecting bed, motor-operating mechanism is installed on circuit breaker panel；Breaker have overload long delay, short circuit short time-delay and
The instantaneous three-stage protection function of short circuit, protection seting value can on-line setup；Electric quantity monitoring annex has CAN communication, electric operating machine
Structure carries manual-operating mechanism, once electrically operated institution breaks down, can make normal occlusion point operation with manual-operating mechanism；
The storage battery charging and 6 charge circuit of monitoring modular topology are as shown in Figure 5, there is provided two kinds of work of constant current and constant pressure
Pattern, charge power about 30kW, can provide 0.2C charging currents, it is possible to achieve storage battery group is fully charged, can be connect
The information such as the voltage of receiving portions typical monomers battery, temperature, input rated voltage under the operating mode that charges：DC450V, charge operating mode under
Output voltage：DC350V~480V；
7 input voltage of AC380V/AC220V three-phases voltage changing module：AC380V, output voltage：AC220V, capacity：
10kVA。
The operating method of the integrated type alternating current-direct current power supply and distribution device, it is characterised in that comprise the following steps：
DC/DC DC convertings module (1), DC/AC inverter modules (2), DC25V DC convertings module (3), direct current main distribution module (4),
Exchange main distribution module (5), storage battery charging and monitoring modular (6), AC380V/AC220V three-phases voltage changing module (7), wind water cooling
Heat exchanger (8), composite bus bar (9), fan and its packet control system (10)
Step 1, the exterior direct current main power source that provides are powered, and integrated type alternating current-direct current power supply and distribution device workflow is such as
Under：
Step 1.1, first closing by hand external dc main power source power switch, composite bus bar 9 obtain electric, DC25V direct currents change
Mold changing 3 input terminal of block obtains electric machine, and integrated type alternating current-direct current power supply and distribution device DC24V systems obtain electric；
Step 1.2, close a floodgate again, each DC24V auxiliary power supplies switch, and DC24V power supply indicator lights are bright；
Step 1.3, press DC/DC DC convertings module 1 and the start button of DC/AC inverter modules 2 again, corresponding work
Indicator light is bright, shows that DC/DC DC convertings module 1 and DC/AC inverter modules 2 have been turned on work, integrated type alternating current-direct current
Power supply and distribution device AC380V systems obtain electric；
Step 1.4, close a floodgate 7 input switch of AC380V/AC220V three-phases voltage changing module again, and integrated type alternating current-direct current supplies
Power distribution equipment AC220V systems obtain electric；
Step 1.5, close a floodgate each AC220V auxiliary power supplies switch again, and AC220V power supply indicator lights are bright；
Step 1.6, closed by direct current main distribution module 4 on operation panel with the switch knob for exchanging main distribution module 5 again
Close to inductive switch, the combined floodgate indicator light of respective switch is bright, shows to switch closing success；
Step 1.7, press wind turbine start button, and the blower fan work indicator light of respective sets is bright, shows fan and its packet control
10 successful operation of system processed；
Step 2, storage battery charging are as follows with 6 work-based logic of monitoring modular：
Battery switch in step 2.1, disconnection direct current main distribution module 4；
Step 2.2, the charging of closure storage battery and the contactor KM1 of 6 input side of monitoring modular, at this time storage battery charging and prison
Survey module 6 to power on, CAN communication is established；
Step 2.3, by software interface set initial voltage Uo and current limit value io to charging module, Uo be arranged to
Current time accumulator battery voltage is essentially identical, to ensure contactor KM2 closing course non-impact currents, retransmits start life
Order, storage battery charging are started to work with monitoring modular 6, and output voltage gradually rises up to setting value Uo, and it is defeated to reclose charging module
Go out side contactor KM2, storage battery charging immediately enters charging operating mode with monitoring modular 6；
Step 2.4, by software interface set charging module output voltage be DC480V, current limit value is 30A, is filled
Electric module first carries out constant-current charge, then carry out constant-voltage charge automatically into constant voltage and current limiting pattern；
Step 2.5, when battery current is less than 3A, it is believed that charging complete, at this time by software interface to storage battery
Charging issues shutdown command, module shutdown with monitoring modular 6；
After step 2.6, successively manual brake separating contactor KM1 and KM2, KM1 and KM2 separating brakes, whole charging process finishes.
The embodiment of the present invention parameter is as follows：
Table 1DC/DC DC converting module design parameters
| Parameter | Model | |
| Input capacitance Cin | 525μF | SHP-900-1050-FS (two strings) |
| Output capacitance Co | 500μF | SHP-900-1000-FS |
| Transformer | 164.2A/15kHz/1:2.3 | |
| Resonant inductance Lr | 164.2A/15kHz/2μH | |
| Capacitance Cb | 200μF | SLA-800-100-64F8 (parallel connection) |
| Striding capacitance Css | 10μF | STF-850-10-RS28 |
| Filter inductance Lf | 71.4A/550μH | |
| Switching tube Q1-Q8 | 1200V/450A | FF450R12ME4 |
| Sustained dioded1-Dd4 | 600V/180A | DSEP2 × 91-06A (parallel connection) |
| Clamp diode Dc1-Dc2 | 600V/90A | DSEP2 × 91-06A (series connection) |
| Rectifier diode DR1-DR8 | 1200V/260A | MEE250-012DA (series connection) |
| Buffering diode Ds | 1200V/60A | DSEP2 × 61-12A (series connection) |
| Buffer capacitance Cs | 5.6μF | STD-850-5.6-57 (two strings two are simultaneously) |
| Buffer resistance Rs | 3.33k | ARCOL HS50-10k (three is in parallel) |
Table 2DC/AC inverter module design parameters
The present invention is not only limited to above-mentioned embodiment, and persons skilled in the art are public according to embodiment and attached drawing
Open content, other a variety of embodiments can be used to implement the present invention, therefore, every design structure using the present invention and
Thinking, does some simple designs converted or change, both falls within the scope of protection of the invention.
Claims (7)
- A kind of 1. integrated type alternating current-direct current power supply and distribution device, it is characterised in that including at least two cabinets being set up in parallel, Each cabinet includes a set of alternating current-direct current power supply and distribution device, and the pedestal of the cabinet is bottom engraved structure；The cabinet is at least Including upper and lower two layers, the right babinet of lower floor's cabinet is used for configuring direct current main distribution module, external dc power inlet wire all by The side plate and top plate of the base bottom through the pedestal enter in the right babinet of lower floor's cabinet with the direct current The switch lower end connection of main distribution module, the switch upper end outlet of direct current main distribution module enter the middle housing of lower floor's cabinet In, it is connected with configuring the composite bus bar in the middle housing of lower floor's cabinet, the leading-out terminal of composite bus bar travels further into In the right babinet of layer cabinet, with configuring the DC/DC DC converting modules end of incoming cables below the right babinet of the upper strata cabinet Connection, by DC/DC boosting isolated variables, the DC/DC DC convertings module outgoing line end enters the middle housing of upper layer box body In, further it is connected with the composite bus bar, the outlet of composite bus bar is again introduced into the right babinet of upper strata cabinet, exists with configuration The end of incoming cables connection of DC/AC inverter modules above the right babinet of upper strata cabinet, by three-phase DC/AC inversions, the DC/AC The outlet of inverter module is connected to alternating-current switch of the configuration in the exchange main distribution module on the middle housing upper strata of upper strata cabinet, whole A current energy stream from bottom to top, successively by the direct current main distribution module, DC/DC DC convertings module, DC/AC inversion moulds Block is all gone out with main distribution module, exchange outlet is exchanged at the top of the middle housing of upper strata cabinet；Further include and be located at lower floor AC380V/AC220V three-phase voltage changing modules in cabinet middle housing；Configuration is further included below the middle housing of upper strata cabinet Storage battery charging and monitoring modular, storage battery charging be parallel to the direct current main distribution mould storage in the block with monitoring modular Cell switch upper and lower ends, during storage battery supplying power for outside, are externally supplied by the direct current main distribution mould battery switch in the block Electricity, when storage battery charges, the direct current main distribution mould battery switch in the block disconnects, and storage battery is charged by the storage battery Charge with monitoring modular.
- 2. integrated type alternating current-direct current power supply and distribution device according to claim 1, it is characterised in that further include cooling system System, the cooling system include geomantic omen cold heat exchanger and fan and its packet control system, in the middle housing of lower floor's cabinet Multiple fan windows, each fan window are both provided with the side plate of left and right two of the middle housing of two side plates and upper strata cabinet Mouth is used to configure fan, and fan packet control system configuration is on the panel of the middle housing of upper strata cabinet.
- 3. integrated type alternating current-direct current power supply and distribution device according to claim 2, it is characterised in that according to load condition The operation of every group of fan can independently be controlled, equipment be internally formed from left to right or right-to-left air passage, upper strata cabinet It is configured with air passage between the left side babinet of body and the left side babinet of lower floor's cabinet, the right babinet of upper strata cabinet and lower floor's cabinet Air passage is also configured between the babinet of the right, so when fan rotates, the circulated air of closing is formed inside cabinet.
- 4. integrated type alternating current-direct current power supply and distribution device according to claim 3, it is characterised in that the wind water cooling changes In the left side babinet of upper strata cabinet or lower floor's cabinet, the water inlet of the pedestal sidepiece passes through lower floor by water pipe for hot device configuration The bottom plate of the left side babinet of cabinet enter the geomantic omen cold heat exchanger, air and cooling water in the geomantic omen cold heat exchanger into Row heat exchange, the outlet pipe of the geomantic omen cold heat exchanger is through the sidepiece after the left side box bottom of lower floor's cabinet with the pedestal Water outlet connects.
- 5. integrated type alternating current-direct current power supply and distribution device according to claim 4, it is characterised in that the DC/DC is straight Flow conversion module and DC/AC inverter modules to design using modularization drawer type, water route and circuit interface use push-in design.
- 6. a kind of method operated according to claim 1-5 any one of them integrated type alternating current-direct current power supply and distribution devices, It is characterized by comprising being powered using the exterior direct current main power source provided, to the integrated type alternating current-direct current power supply and distribution device The step of being operated：Step 1, first closing by hand external dc main power source power switch, composite bus bar obtain electric, and DC25V DC converting modules are defeated Enter to hold obtaining electric machine, integrated type alternating current-direct current power supply and distribution device DC24V systems obtain electric；Step 2, close a floodgate each DC24V auxiliary power supplies switch again, and DC24V power supply indicator lights are bright；Step 3, press DC/DC DC convertings module and the start button of DC/AC inverter modules, corresponding work light again It is bright, show that DC/DC DC convertings module and DC/AC inverter modules have been turned on work, integrated type alternating current-direct current power supply and distribution dress Put AC380V systems obtain it is electric；Step 4, close a floodgate AC380V/AC220V three-phase voltage changing module input switches again, integrated type alternating current-direct current power supply and distribution dress Put AC220V systems obtain it is electric；Step 5, close a floodgate each AC220V auxiliary power supplies switch again, and AC220V power supply indicator lights are bright；Step 6, should be opened by direct current main distribution module on operation panel with the switch knob closed pair for exchanging main distribution module again Close, the combined floodgate indicator light of respective switch is bright, shows to switch closing success；Step 7, press wind turbine start button, and the blower fan work indicator light of respective sets is bright, shows fan and its packet control system Successful operation.
- 7. a kind of method for operating integrated type alternating current-direct current power supply and distribution device according to claim 6, its feature exist In, further include storage battery charging with monitoring modular rate-determining steps：Step 1, disconnect direct current main distribution mould battery switch in the block；Step 2, the charging of closure storage battery and the contactor KM1 of monitoring modular input side, at this time storage battery charging and monitoring modular Power on, CAN communication is established；Step 3, set initial voltage Uo and current limit value io, Uo to be arranged to identical with current time accumulator battery voltage, then Power-on command is sent, storage battery charging is started to work with monitoring modular, and output voltage gradually rises up to setting value Uo, recloses and fill Electric module exports side contactor KM2, and storage battery charging immediately enters charging operating mode with monitoring modular；Step 4, the output voltage of setting charging module are DC480V, and current limit value is 30A, and charging module is automatically into constant pressure Current-limit mode, i.e., first carry out constant-current charge, then carries out constant-voltage charge；Step 5, when battery current is less than 3A, it is believed that charging complete, charges to storage battery issue with monitoring modular at this time Shutdown command, module shutdown；After step 6, successively manual brake separating contactor KM1 and KM2, KM1 and KM2 separating brakes, whole charging process finishes.
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