CN206516206U - A kind of small wind unit Control testing bench cabinet - Google Patents
A kind of small wind unit Control testing bench cabinet Download PDFInfo
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- CN206516206U CN206516206U CN201720027337.0U CN201720027337U CN206516206U CN 206516206 U CN206516206 U CN 206516206U CN 201720027337 U CN201720027337 U CN 201720027337U CN 206516206 U CN206516206 U CN 206516206U
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- wind turbines
- inverter
- contactor
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Abstract
The utility model discloses a kind of small wind unit Control testing bench cabinet, including the appurtenances such as air switch, A.C. contactor, frequency converter, three-phase digital display meter, Wind turbines controller, inverter and connecting wire.Air switch and A.C. contactor control the break-make of whole experimental bench circuit；Frequency converter is realized to the flexible modulation of supply frequency to control motor to realize the simulation of unstable wind speed；Three-phase digital display meter realizes the measurement and display in real time that electrical parameter is exported to wind-driven generator in experimental bench；Wind turbines controller is realized to be adjusted to preserve electric energy to the rectification for exporting three-phase voltage；Inverter realizes that the conversion of direct current and work alternating current is utilized with the output for realizing electric energy.The switch board can effectively realize electricity generation system control and the electric energy output control of Wind turbines experimental bench, can in emergency circumstances realize power-off protection while to whole parts, and compact conformation, with low cost, be worth large-scale promotion.
Description
Technical field
The utility model belongs to electrical control cabinet technical field, and in particular to a kind of small wind unit Control testing bench
Cabinet.
Background technology
In recent years, as country is to the attention using Wind turbines as the new energy of representative, increasing researcher carries out
Wind turbines correlative studys, develop many related experimental benches and test device.Current many Wind turbines experimental benches,
Space-consuming is larger in structure, and distribution is more loose in terms of electrical control, and structure is not compact, driven by power control, generating output
The circuit polydispersion such as control are installed.In terms of measurement of electric parameter, such as voltage, electric current, power measurement are more to be surveyed using external instrument
Amount, integrated level is not high.And during the electrical control of experimental bench, it is difficult to realize that electric parameter is shown in real time, it is impossible to electric
Equipment carries out emergent control simultaneously, and operation is less facilitated.
The content of the invention
Utility model purpose：In order to overcome the deficiencies in the prior art, the utility model provides a kind of small wind
Unit Control testing bench cabinet, solves Wind turbines Control testing bench cabinet electric parameter and shows in real time, while the problem of emergent control,
Mounting structure is compact simultaneously, rationally distributed, operation facility, can effectively realize electrical control and the phase of Wind turbines experimental bench
Close operation.
Technical scheme：To achieve the above object, the technical solution adopted in the utility model is：
A kind of small wind unit Control testing bench cabinet, including control system of switching on or off electricity circuit, generating storage circuit and electric discharge electricity
Road, wherein：
The control system of switching on or off electricity circuit includes air switch, A.C. contactor and the frequency converter being sequentially connected, general supply line
The air switch is connected, the on/off of whole switch board and experimental bench is controlled by air switch；The A.C. contactor
Connect three control buttons and main circuit；The frequency converter connects the motor of experimental bench；
The generating storage circuit includes three-phase digital display meter and Wind turbines controller, and one end of the three-phase digital display meter connects
The generator that outside experimental bench is set is connect, the other end connects the Wind turbines controller by electric wire, and motor group controller is again
The battery charging inlet that the outside experimental bench of connection is set；
The discharge circuit includes inverter and battery, and the battery is arranged on the experimental bench outside switch board, leads to
Cross battery discharging interface and connect the inverter.
Further, the air switch, A.C. contactor, frequency converter and Wind turbines controller and inverter are located at control
Inside cabinet processed, control button and the three-phase digital display meter is on control cabinet panel, and the control cabinet panel is by being arranged on
Switch open；
Wherein, the air switch and A.C. contactor are fixed by snap on guide rail, and the guide rail is horizontally fixed on
The base upper position of switch board；
The Wind turbines controller is fixed on switch board right panel upper position；The inverter is fixed on switch board
Base right lower quadrant position；The three-phase digital display meter is fixed by snap in the control cabinet panel right side central position, is located at
Between the Wind turbines controller and inverter；Above the three-phase digital display meter, close to the A.C. contactor；
The frequency converter is fixed on the chassis left side medium position of switch board, on the control cabinet panel corresponding to it
Open up the frequency converter in four correspondingly sized square holes, protrusion switch board；
Further, the control button includes button A, button B, the button C being uniformly arranged side by side；Wherein, button A is selected
With circular green cap Self-resetting button, the startup control of electrical system is realized；Button B selects circular red cap Self-resetting button,
Realize the stopping control of electrical system；Button C from circular red cap can not Self-resetting button, realize the jerk control of electrical system
System is, it is necessary to which this button of manual rotation can reset.
Further, the input voltage of the inverter be 24V direct currents, be output as 220V alternating currents, be available for work and
Household electricity.
Further, the input of the Wind turbines controller is three-phase alternating current, and input voltage range is 0-380V, defeated
Go out for 24V direct currents.
Further, the A.C. contactor operating voltage 380V, working power frequency 50Hz, operating current 12A, is carried
3 pairs of main contacts, a pair of normally opened auxiliary contact, a pair of normally closed auxiliary contacts, a coil.
Further, the frequency converter selects triphase AC variable frequency speed-regulating device, operating voltage 380V, out-put supply frequency model
Enclose 0~50Hz；General supply wire is three-phase and four-line cable, per the copper cash for being mutually diameter 2.5mm.
According to a kind of method of work of above-mentioned small wind unit Control testing bench cabinet, comprise the following steps：
1) air switch and A.C. contactor control the break-make of whole experimental bench circuit：General supply line is introduced by general supply
Interface is incorporated into switch board, connects air switch, the on/off of whole switch board and experimental bench is controlled by air switch；From
The electric current of air switch output, is connected by electrical wiring on A.C. contactor, is realized with reference to control button to whole Wind turbines
The electric control system of switching on or off electricity of experimental bench；
2) frequency converter is realized to the flexible modulation of supply frequency to control motor to realize the simulation of unstable wind speed：Frequency conversion
Device connects the motor of experimental bench by motor interface, and the adjustment to motor speed is realized by regulation power supply frequency, with
Simulate the input effect of unstable wind speed；
3) Wind turbines controller is realized is adjusted to preserve electric energy to the rectification for exporting three-phase voltage：Wind turbines experimental bench
The three-phase alternating current that sends of generator, be input to three-phase digital display meter by connecting generator interface, three-phase digital display meter passes through electricity
Line connects Wind turbines controller, and battery charging inlet and battery are output to after being controlled through the rectification of Wind turbines controller
Connection, charges a battery to preserve electric energy, realizes the generating store function of Wind turbines experimental bench；
4) inverter realizes that the conversion of direct current and work alternating current is utilized with the output for realizing electric energy：Wind turbines are real
The electric discharge release function of platform is tested, realizes that battery is connected to inversion by battery discharging interface by battery and inverter
On device, direct current is changed into by inverter by alternating current, electric energy is exported by power supply interface, for users to use.
Further, the step 1) in the method for control system of switching on or off electricity be：
The A.C. contactor includes that coil KM lines, main contacts KM are main and auxiliary to help that normally opened contact KM is auxiliary, auxiliary normally-closed contact is several
Individual part, when starting switch board when being powered, closes air switch, presses the button A i.e. SB3 of control, and KM lines are powered, normally opened contact
The auxiliary closures of KM form self-locking, and main contacts KM is main to be powered, and is powered to experimental bench electrical system；
During power-off, button B i.e. SB1 or the power-off of button C i.e. SB2, KM line are pressed, the auxiliary disconnections of normally opened contact KM lose certainly
Lock, the main power-off of main contacts KM, experimental bench electrical system dead electricity.
Further, three-phase digital display meter is realized the measurement that electrical parameter is exported to wind-driven generator in experimental bench and shown in real time
Show.
Beneficial effect：Small wind unit Control testing bench cabinet and its method of work that the utility model is provided, its is beneficial
Effect is, solve Wind turbines Control testing bench cabinet electric parameter show in real time, electrical equipment simultaneously emergent control the problem of,
Mounting structure is compact simultaneously, rationally distributed, operation facility, can effectively realize electrical control and the phase of Wind turbines experimental bench
Close operation.On the other hand, the equipment that the switch board is used, belongs to the electrical equipment commonly used in industry, operation safety, cost
It is cheap, it is easy to large-scale promotion, with larger market prospects and promotional value.
Brief description of the drawings
Fig. 1 is the Wind turbines Control testing bench cabinet panel structural representation of the utility model embodiment；
Fig. 2 is the Wind turbines Control testing bench cabinet internal structure schematic diagram of the utility model embodiment, wherein Fig. 2 (a)
It is control cabinet panel rear structure schematic diagram, Fig. 2 (b) is switch board internal structure schematic diagram；
Fig. 3 is the Wind turbines experimental bench Wind turbines generating-charging electric discharge schematic diagram of the utility model embodiment；
Fig. 4 is the Wind turbines experimental bench control system of switching on or off electricity circuit of the utility model embodiment；
Fig. 5 is the Wind turbines pilot plant testing testing wind power generation machine output current and power supply of the utility model embodiment
The relation curve of frequency.Fig. 5 (a) is wind-driven generator A phases output current value and the relation curve of supply frequency；Fig. 5 (b) is wind
The relation curve of power generator B phases output current value and supply frequency；Fig. 5 (c) is wind-driven generator C phases output current value and electricity
The relation curve of source frequency.
Embodiment
The utility model is further described below in conjunction with the accompanying drawings.
The utility model be a kind of small wind unit Control testing bench cabinet and its method of work, it include air switch,
The appurtenances such as A.C. contactor, frequency converter, three-phase digital display meter, Wind turbines controller, inverter and connecting wire.Air
Switch and A.C. contactor control the break-make of whole experimental bench circuit；Frequency converter is realized to the flexible modulation of supply frequency to control
Motor realizes the simulation of unstable wind speed；Three-phase digital display meter realizes the survey that electrical parameter is exported to wind-driven generator in experimental bench
Amount and in real time display；Wind turbines controller is realized to be adjusted to preserve electric energy to the rectification for exporting three-phase voltage；Inverter is realized
The conversion of direct current and work alternating current is utilized with the output for realizing electric energy.The switch board can effectively realize Wind turbines
The electricity generation system control of experimental bench and electric energy output control, power off while can in emergency circumstances realizing to whole parts and protect
Shield, and compact conformation, it is with low cost, it is worth large-scale promotion.
Embodiment
The present embodiment is applied to the electrical control of general small wind unit experimental bench, and switch board dimensional parameters are width
40cm, high 50cm, thick 15cm.Operating voltage is three-phase four-wire system 380V commercial power, and output Accessory Battery is direct current 24V.
Other types Wind turbines experimental bench can realize electrical control function according to actual conditions adjustment member parameter.
Referring to the drawings 1 and accompanying drawing 2, the small wind unit Control testing bench cabinet of the present embodiment, it include air switch 8,
A.C. contactor 7, frequency converter 12, three-phase digital display meter 5, Wind turbines controller 10, inverter 11 and button A1, button B2, press
The appurtenances such as button C3, guide rail 9, connecting wire.Button A1, button B2, button C3 are fixed on control cabinet panel by knob,
Three-phase digital display meter 5 is fixed by snap on control cabinet panel, and four square holes 6 are to manifest the frequency converter 12 in switch board.Control
Cabinet panel processed is opened by switch 4, and guide rail 9, frequency converter 12, inverter 11 are bolted on controller bottom plate.Air
Switch 8, A.C. contactor 7 are fixed by snap on the rail 9, can slide to adjust right position along guide rail parallel, prevent
Only collided with the button ABC behind control panel and facilitate switch board internal wiring.Wind turbines controller 10 is solid by bolt
It is scheduled on switch board side panel.
In the present embodiment, it is that co-ordinate zero point sets up coordinate system to define the switch board upper left corner, unit cm, then each part on panel
Position and size can draw：The center of circular hole point position (10,10) of button 1, Circularhole diameter 2.2cm；The center of circular hole point of button 2
Position (20,10), Circularhole diameter 2.2cm；The center of circular hole point position (30,10) of button 3, Circularhole diameter 2.2cm；Switch 4 circular holes
Center position (36,25), diameter 2.4cm；The upper left position of three-phase digital display meter 5 (22,20), size wide 9cm, high 9cm；Four directions
The upper left position (5,20) in hole 6, size wide 13cm, high 15cm.Each component locations and size inside switch board：The center of guide rail 9
Line leftward position (2,8.5), long 30cm, width 3.5cm；The upper left position of Wind turbines controller 10 (34,8), wide 14cm is high
15cm, thick 6cm；The upper left corner of inverter 11 is located at (20,22), wide 15cm, high 16cm, thick 6cm；The position of frequency converter 12 and four square holes
6 overlap, and wide 13cm, high 15cm, thick 15cm slightly protrude from control cabinet panel after installation.
General supply line introduces interface 13 by general supply and is incorporated into switch board, is connected up by switch board left side edge, connects
To the top of air switch 8, the on/off of whole switch board and experimental bench is controlled by air switch 8.
In the present embodiment, general supply wire is three-phase and four-line cable, per the copper cash for being mutually diameter 2.5mm.Air switch 8
Mutually switched from four, rated current 20A carries protection power down function.During installation by buckle card on the rail 9, can be along
Guide rail 9 is smoothly mobile.Guide rail 9 is bolted on the base of switch board by two diameter 4mm's.
From air switch 8 export electric current, be connected by electrical wiring on A.C. contactor 7, with reference to button A1, button B2,
Button C3 realizes the electric control system of switching on or off electricity to whole Wind turbines experimental bench.
In the present embodiment, button A1 realizes the startup control of electrical system from circular green cap Self-resetting button；Button
B2 realizes the stopping control of electrical system from circular red cap Self-resetting button；Button C3 can not be certainly from circular red cap
SR, realizes that the jerk of electrical system is controlled, it is necessary to which this button of manual rotation can reset.Button A1, button B2, button
C3 is fixed on the corresponding mounting hole both sides of control cabinet panel by carrying nut, screws, wire is connected on the inside of switch board.Exchange
Contactor 7 selects model C JX2-1210, operating voltage 380V, working power frequency 50Hz, operating current 12A, carries 3 couples of masters
Contact, a pair of normally opened auxiliary contact, a pair of normally closed auxiliary contacts, a coil.A.C. contactor 7 is fixed by snap in guide rail
, can be smooth along guide rail 9 on 9.
Referring to the drawings 3,4, the small wind unit Control testing bench cabinet control system of switching on or off electricity of the present embodiment is powered and starts control
During cabinet, air switch 8 (QS) is closed, button 1 (SB3) is pressed, the coil (KM lines) of A.C. contactor 7 is powered, normally opened contact KM
Auxiliary closure forms self-locking, and main contacts KM is main to be powered, and is powered to experimental bench electrical system.During power-off, press button 2 (SB1) or
Button 3 (SB2), coil (KM lines) power-off of A.C. contactor 7, the auxiliary disconnections of normally opened contact KM lose self-locking, and main contacts KM master is broken
Electricity, experimental bench electrical system dead electricity.
In the present embodiment, frequency converter 12 selects triphase AC variable frequency speed-regulating device, operating voltage 380V, out-put supply frequency model
Enclose 0~50Hz.Frequency converter 12 is bolted on the base of switch board by four diameter 4mm's.
Frequency converter 12 connects the motor of experimental bench by connecting motor interface 14, passes through the realization pair of regulation power supply frequency
The adjustment of motor speed, to simulate the input effect of unstable wind speed.
The three-phase alternating current that the generator of Wind turbines experimental bench is sent, three-phase is input to by connecting generator interface 18
Digital display meter 5.
In the present embodiment, the operating voltage 220V of three-phase digital display meter 5 can show electric ginseng during experimental bench operation in real time
Number, including voltage, electric current, power etc..Three-phase digital display meter 5 is fixed by snap on control cabinet panel, and connecting wire is in control
Connected on the inside of cabinet panel, display screen is arranged on switch board panels outside.
Three-phase digital display meter 5 is connected by electrical wiring on Wind turbines controller 10, through the rectification control of Wind turbines controller 10
Connection battery charging inlet 15 is output to after system, charges a battery to preserve electric energy, realizes the hair of Wind turbines experimental bench
Electric store function.
In the present embodiment, the input of Wind turbines controller 10 is three-phase alternating current, and input voltage range is 0-380V, defeated
Go out for 24V direct currents.The side for being bolted to switch board that Wind turbines controller 10 passes through four diameter 4mm.
The electric discharge release function of Wind turbines experimental bench, is realized by battery and inverter 11, and battery passes through connection
Battery discharging interface 17 is connected on inverter 11, and direct current is changed into alternating current by inverter 11.Connect by power supply
Mouth 16 exports electric energy, for users to use.
Battery has 2 lines of both positive and negative polarity to be connected with extraneous interface, and battery charging inlet 15 is responsible for charging connection, electric power storage
Tank discharge interface 17 is responsible for electric discharge connection, and the actual connected mode outside this switch board is different.Two interfaces respectively have switch to control
System and the disconnection of battery are closed.
The utility model is made up of three electric processes, and one is total control system of switching on or off electricity, and one is electrical power generators charging
Storage, one is that battery discharging is used.The tie point of latter two process is and separate in battery, is mutually system.
In the present embodiment, the input voltage of inverter 11 is 24V direct currents, is output as 220V alternating currents, be available for work and
Household electricity.Inverter 11 is bolted on the base of switch board by four diameter 4mm's.
Referring to the drawings 5, during the present embodiment experimental test, adjust the out-put supply frequency of frequency converter 12, it is possible to adjust
The input speed of Wind turbines experimental bench generator, and then the three-phase alternating current that regulator generator is sent are saved, passes through three-phase digital display
Table 5 can display output in real time voltage x current information.When supply frequency be less than 6Hz when, generator input speed is too low, A, B,
C three-phase output current numerical value is relatively low, and three-phase digital display meter 5 does not show related data；When supply frequency is more than 6Hz, three-phase output
Current values increase, three-phase digital display meter 5 start display data, A, B, C three-phase output current be respectively 0.071A, 0.069A,
0.065A；When supply frequency reach peak 50Hz when, A, B, C three-phase output current be respectively 3.230A, 2.961A,
3.037A, reach maximum.That is, supply frequency is low, then the electric current that generator is sent is low, and supply frequency is high, then generator is sent out
The electric current gone out is high, and its rule meets generator power curvilinear trend, demonstrates the design of Wind turbines Control testing bench cabinet and runs
Reliability.The power storage of Wind turbines experimental bench and release test are more steady, disclosure satisfy that design needs.Meanwhile,
Wind turbines Control testing bench cabinet is compact, occupies little space, with multi-part while the defencive function of jerk, cost is low
It is honest and clean, it is worth large-scale promotion.
Described above is only preferred embodiment of the present utility model, it should be pointed out that：For the common skill of the art
For art personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and
Retouching also should be regarded as protection domain of the present utility model.
Claims (7)
1. a kind of small wind unit Control testing bench cabinet, it is characterised in that：Including control system of switching on or off electricity circuit, generating storage circuit
And discharge circuit, wherein：
The control system of switching on or off electricity circuit includes air switch (8), A.C. contactor (7) and the frequency converter (12) being sequentially connected, always
Power line connects the air switch (8), and the on/off of whole switch board and experimental bench is controlled by air switch (8)；Institute
State A.C. contactor (7) and connect three control buttons and main circuit；The frequency converter (12) connects the motor of experimental bench；
The generating storage circuit includes three-phase digital display meter (5) and Wind turbines controller (10), the three-phase digital display meter (5)
The generator that connection outside experimental bench in one end is set, the other end connects the Wind turbines controller (10), motor by electric wire
Group controller (10) reconnects the battery charging inlet (15) that outside experimental bench is set；
The discharge circuit includes inverter (11) and battery, and the battery is arranged on the experimental bench outside switch board, leads to
Cross battery discharging interface (17) and connect the inverter (11).
2. small wind unit Control testing bench cabinet according to claim 1, it is characterised in that：The air switch (8),
A.C. contactor (7), frequency converter (12) are located inside switch board with Wind turbines controller (10) and inverter (11), the control
Button and three-phase digital display meter (5) processed is on control cabinet panel, and the control cabinet panel is beaten by the switch (4) being arranged on
Open；
Wherein, the air switch (8) and A.C. contactor (7) are fixed by snap on guide rail (9), guide rail (9) water
The flat base upper position for being fixed on switch board；
The Wind turbines controller (10) is fixed on switch board right panel upper position；The inverter (11) is fixed on control
The base right lower quadrant position of cabinet processed；The three-phase digital display meter (5) is fixed by snap in the control cabinet panel right side central position
Put, between the Wind turbines controller (10) and inverter (11)；It is close above the three-phase digital display meter (5)
The A.C. contactor (7)；
The frequency converter (12) is fixed on the chassis left side medium position of switch board, on the control cabinet panel corresponding to it
Open up the frequency converter (12) in correspondingly sized four square holes (6), protrusion switch board.
3. small wind unit Control testing bench cabinet according to claim 1, it is characterised in that：The control button includes
Button A (1), button B (2), the button C (3) being uniformly arranged side by side；Wherein, button A (1) is pressed from circular green cap Self-resetting
Button, realizes the startup control of electrical system；Button B (2) realizes the stopping of electrical system from circular red cap Self-resetting button
Control；Button C (3) from circular red cap can not Self-resetting button, realize that the jerk of electrical system is controlled, it is necessary to manual rotation
This button can reset.
4. small wind unit Control testing bench cabinet according to claim 1, it is characterised in that：The inverter (11)
Input voltage be 24V direct currents, be output as 220V alternating currents, be available for work and family electricity consumption.
5. small wind unit Control testing bench cabinet according to claim 1, it is characterised in that：The Wind turbines control
The input of device (10) is three-phase alternating current, and input voltage range is 0-380V, is output as 24V direct currents.
6. small wind unit Control testing bench cabinet according to claim 1, it is characterised in that：The A.C. contactor
(7) operating voltage 380V, working power frequency 50Hz, operating current 12A, carry 3 pairs of main contacts, a pair of normally opened auxiliary contact,
A pair of normally closed auxiliary contacts, a coil.
7. small wind unit Control testing bench cabinet according to claim 1, it is characterised in that：Frequency converter (12) choosing
Use triphase AC variable frequency speed-regulating device, operating voltage 380V, 0~50Hz of out-put supply frequency range；General supply wire is three-phase four
Line cable, per the copper cash for being mutually diameter 2.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720027337.0U CN206516206U (en) | 2017-01-11 | 2017-01-11 | A kind of small wind unit Control testing bench cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720027337.0U CN206516206U (en) | 2017-01-11 | 2017-01-11 | A kind of small wind unit Control testing bench cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206516206U true CN206516206U (en) | 2017-09-22 |
Family
ID=59865526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720027337.0U Expired - Fee Related CN206516206U (en) | 2017-01-11 | 2017-01-11 | A kind of small wind unit Control testing bench cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206516206U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106781918A (en) * | 2017-01-11 | 2017-05-31 | 江苏师范大学 | A kind of small wind unit Control testing bench cabinet and its method of work |
-
2017
- 2017-01-11 CN CN201720027337.0U patent/CN206516206U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106781918A (en) * | 2017-01-11 | 2017-05-31 | 江苏师范大学 | A kind of small wind unit Control testing bench cabinet and its method of work |
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Granted publication date: 20170922 Termination date: 20200111 |
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| CF01 | Termination of patent right due to non-payment of annual fee |