CN208520931U - Test device and test macro - Google Patents
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- CN208520931U CN208520931U CN201821017774.5U CN201821017774U CN208520931U CN 208520931 U CN208520931 U CN 208520931U CN 201821017774 U CN201821017774 U CN 201821017774U CN 208520931 U CN208520931 U CN 208520931U
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Abstract
The utility model embodiment provides a kind of test device and test macro, and for testing the performance parameter of current transformer, test device includes: testboard, acquires current transformer performance parameter to be measured, and current transformer to be measured has more than two input terminals；Dragging motor converts electrical energy into mechanical energy；Generating set, the input terminal of generating set is connected to the output end of dragging motor, mechanical energy for exporting dragging motor is converted to electric energy, the output end number of generating set and the input terminal number of current transformer to be measured match, so that the output end of generating set can be connected to current transformer to be measured, current transformer to be measured is driven to run；Resilience current transformer, the input terminal of resilience current transformer are electrically connected to the output end of testboard, and the output end of resilience current transformer is electrically connected to the input terminal of dragging motor, to form loop test circuit.The test device of the utility model has preferable versatility, can satisfy the testing requirement of different current transformers.
Description
Technical field
The utility model relates to test equipment technical field more particularly to a kind of test devices and test macro.
Background technique
Wind energy is rich as a kind of clean renewable energy, the increasingly attention by countries in the world, THE WIND ENERGY RESOURCES IN CHINA
Richness, national policy also vigorously supported Wind Power Generation Industry in recent years, so that wind generating technology liquid is developed rapidly.
Domestic MW class wind turbine group multiselect full power convertor, therefore it is required that output current of converter is very big.
And the converter structure of single module is limited by conditions such as device capacitance, switching frequency, heat dissipation, reliabilities, be increasingly difficult to
It satisfies the use demand.To solve the problems, such as the grid-connected high current of power converter, current transformer generally uses multiple power module units simultaneously
The mode of connection.The parallel connection of power module unit can averraged system power, while reduce IGBT power in power module unit
The current stress of device, convenient for the type selecting of IGBT device；In addition, multiple power module unit parallel connections can flexibly form various function
The wind electric converter system of rate grade replaces seriation with modular design, to improve the mark of wind electric converter power module
Quasi-ization degree reduces the maintenance of material variety, so as to shorten developing and the production cycle, reduces cost, and that improves system can
Maintainability and interchangeability.
In order to guarantee that current transformer is safely and steadily run, current transformer needed before applying to wind power generating set into
Row test.Currently, for single module current transformer test device developed it is fairly perfect.The test of single module current transformer fills
It sets and is output and input using single channel, and the current transformer of multiple power cells parallel connection has multi-channel input mouth, the survey of current transformer at present
Trial assembly, which is set, is no longer satisfied testing requirement.
Therefore, a kind of new current transformer test device is needed.
Utility model content
The utility model embodiment provides a kind of test device and test macro, it is intended to improve the test device of current transformer
Versatility meets the testing requirement of different current transformers.
On the one hand the utility model embodiment provides a kind of test device, for testing the performance parameter of current transformer, survey
It includes: testboard that trial assembly, which is set, acquires current transformer performance parameter to be measured, and current transformer to be measured has more than two input terminals；Dragging
Motor converts electrical energy into mechanical energy；The input terminal of generating set, generating set is connected to the output end of dragging motor, is used for
The mechanical energy that dragging motor exports is converted into electric energy, the output end number of generating set and the input terminal number of current transformer to be measured
Match, so that the output end of generating set can be connected to current transformer to be measured, current transformer to be measured is driven to run；Resilience unsteady flow
Device, the input terminal of resilience current transformer are electrically connected to the output end of testboard, and the output end of resilience current transformer is electrically connected to dragging electricity
The input terminal of machine, to form loop test circuit.
One aspect according to the present utility model, generating set include multi-winding generator, the input of multi-winding generator
End is connected to dragging motor, and the winding number of multi-winding generator matches with the input terminal number of current transformer to be measured, Multiple coil
The output end of generator is directly connected in current transformer to be measured.
One aspect according to the present utility model, generating set include multi-winding generator and transfer box；Multiple coil power generation
The input terminal of machine is connected to dragging motor, and the output end of multi-winding generator is connected to transfer box；The output end number of transfer box
Match with the input terminal number of current transformer to be measured, the output end of transfer box is directly connected in current transformer to be measured.
One aspect according to the present utility model, transfer box include M connector assembly, the number and Multiple coil of connector assembly
The winding number of generator is identical, and the input terminal of M connector assembly is electrically connected to multi-winding generator；M connector assembly it is defeated
Outlet is directly connected in current transformer to be measured；Alternatively, the output end parallel connection of M connector assembly forms parallel outputs, parallel output
The number at end and the input terminal number of current transformer to be measured match, and parallel outputs are electrically connected to current transformer to be measured.
One aspect according to the present utility model, when parallel outputs are connected to the current transformer to be measured on testboard, M
N number of connector assembly is one group in connector assembly, is connected in parallel to form M/N parallel outputs, wherein M, N are positive integer, and
M can be evenly divisible by N.
One aspect according to the present utility model, the input terminal of each connector assembly are that single phase input or multiphase input
End；The output end and parallel outputs of each connector assembly are single-phase output end or heterogeneous output end.
One aspect according to the present utility model, further includes: dragging frequency converter, for controlling dragging motor and Multiple coil electricity
Machine operating；Dragging motor and multi-winding generator are coaxially connected.
One aspect according to the present utility model further includes torque sensor,
The input terminal of torque sensor is connected to dragging motor, to obtain the torque of dragging motor, torque sensor it is defeated
Outlet is connected to dragging frequency converter, to send the torque of dragging motor to dragging frequency converter；
Or/also, the input terminal of torque sensor is connected to multiwinding machine, to obtain the torque of multiwinding machine,
The output end of torque sensor is connected to dragging frequency converter, to send the torque of multiwinding machine to dragging frequency converter.
One aspect according to the present utility model further includes encoder,
Encoder is connected to dragging motor, and to obtain the revolving speed of dragging motor, the output end of encoder is connected to dragging and becomes
Frequency device, to send the revolving speed of dragging motor to dragging frequency converter；
Or/also, encoder is connected to multiwinding machine, to obtain the revolving speed of multiwinding machine, the output of encoder
End is connected to dragging frequency converter, to send the revolving speed of multiwinding machine to dragging frequency converter.
On the other hand the utility model provides a kind of test macro, for testing the performance parameter of current transformer, comprising:
Test device, test device are on the one hand test device that the utility model embodiment provides；
Control cabinet, for controlling test device and current transformer to be measured operation；
Central control board, including data collection system and operation panel, data collection system for collecting test device and
The operating parameter of current transformer to be measured, operation panel is for showing and setting operating parameter.
In the test device using the utility model embodiment, dragging motor, generating set, resilience current transformer and test
Platform constitutes loop test circuit, which is used to test the performance parameter of current transformer to be measured on testboard, wherein hair
The output end number of motor group and the input terminal number of current transformer to be measured match, so that the test device of the utility model can be with
For testing the current transformer to be measured with more than two input terminals, the versatility of test device is improved, different unsteady flows is met
The testing requirement of device.
Detailed description of the invention
By reading detailed description of non-limiting embodiments referring to the drawings, other spies of the utility model
Sign, objects and advantages will become more apparent upon, wherein the same or similar appended drawing reference indicates the same or similar feature.
Fig. 1 is a kind of structural schematic diagram of test device of the utility model embodiment；
Fig. 2 is a kind of structural schematic diagram of transfer box of the utility model embodiment；
Fig. 3 is a kind of structural schematic diagram of transfer box of another embodiment of the utility model；
Fig. 4 is a kind of structural schematic diagram of transfer box of another embodiment of the utility model；
Fig. 5 is a kind of structural schematic diagram of test macro of the utility model embodiment.
Description of symbols:
100, test device；
110, testboard；111, current transformer to be measured；
120, dragging motor；
130, generating set；131, multi-winding generator；132, transfer box；132a, connector assembly；132b, parallel output
End；
140, resilience current transformer；
150, frequency converter is dragged；
160, torque sensor；
170, isolating transformer；
180, intermediate-frequency transformer；
200, control cabinet；
300, central control board；310, acquisition system；320, operation panel.
Specific embodiment
The feature and exemplary embodiment of the various aspects of the utility model is described more fully below.It is retouched in detail in following
In stating, many details are proposed, in order to provide the comprehensive understanding to the utility model.But for those skilled in the art
It will be apparent that the utility model can be implemented in the case where not needing some details in these details for member.
Below the description of embodiment is used for the purpose of providing by showing the example of the utility model to the more preferable of the utility model
Understanding.In the the accompanying drawings and the following description, at least part of known features and technology are not shown, to avoid to this reality
Unnecessary obscure is caused with novel；Also, for clarity, may be exaggerated the size of part-structure.In addition, hereinafter being retouched
Feature, the structure or characteristic stated can be incorporated in any suitable manner in one or more embodiments.
The noun of locality of middle appearance described below is direction shown in figure, is not to the embodiments of the present invention
Specific structure is defined.In the description of the present invention, it should also be noted that, unless otherwise specific regulation and limit
Fixed, term " installation ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It can be directly connected, can also be indirectly connected.For the ordinary skill in the art, visual specific
Situation understands the concrete meaning of above-mentioned term in the present invention.
The utility model in order to better understand is set below with reference to Fig. 1 to Fig. 5 according to the trial assembly of the utility model embodiment
And test macro is described in detail.
Fig. 1 is a kind of structural schematic diagram of test device 100 provided by the embodiment of the utility model, for testing current transformer
Performance parameter, test device 100 includes: testboard 110, acquires 111 performance parameter of current transformer to be measured, current transformer 111 to be measured
With more than two input terminals；Dragging motor 120, converts electrical energy into mechanical energy；Generating set 130, generating set 130
Input terminal is connected to the output end of dragging motor 120, and the mechanical energy for exporting dragging motor 120 is converted to electric energy, power generation
The output end number of unit 130 and the input terminal number of current transformer to be measured 111 match, so that the output end of generating set 130
It can be connected to current transformer 111 to be measured, current transformer 111 to be measured is driven to run；Resilience current transformer 140, resilience current transformer 140 it is defeated
Enter the output end that end is electrically connected to testboard 110, the output end of resilience current transformer 140 is electrically connected to the input of dragging motor 120
End, to form loop test circuit.
In the test device 100 using the utility model embodiment, dragging motor 120, generating set 130, resilience become
It flows device 140 and testboard 110 constitutes loop test circuit, the loop test circuit is for testing unsteady flow to be measured on testboard 110
The performance parameter of device 111, wherein the output end number of generating set 130 and the input terminal number phase of current transformer to be measured 111
Match, the test device 100 of the utility model is allowed to be used to test the current transformer to be measured with more than two input terminals
111, the versatility of test device 100 is improved, the testing requirement of different current transformers is met.
Wherein, test device 100 further includes isolating transformer 170, and the input terminal of isolating transformer 170 is connected to power grid,
The output end of isolating transformer 170 is connected to dragging motor 120, so that dragging motor 120 is connected to by isolating transformer 170
The electricity of power grid is changed into the electricity for meeting 120 use demand of dragging motor by power grid, isolating transformer 170, to guarantee dragging motor
120 normal operation.
Test device 100 further includes intermediate-frequency transformer 180, and the input terminal of intermediate-frequency transformer 180 is connected on testboard 110
Current transformer to be measured 111, the output end of intermediate-frequency transformer 180 is connected to resilience current transformer 140, and intermediate-frequency transformer 180 is to be measured
The output voltage of current transformer 111 is adjusted, and inputs suitable supply voltage for the supply of resilience current transformer 140.Resilience current transformer
140 by the output voltage for being tested current transformer be converted into power grid same frequency, same-phase and the network voltage for waiting amplitudes, to be formed
Stable test loop circuit.
The embodiment that the output end number of generating set 130 and the input terminal number of current transformer to be measured 111 match has
It is a variety of, in some alternative embodiments, generating set 130 include multi-winding generator 131, multi-winding generator 131 it is defeated
Enter end and is connected to dragging motor 120, the input terminal number phase of the winding number of multi-winding generator 131 and current transformer 111 to be measured
Matching, the output end of multi-winding generator 131 are directly connected in current transformer 111 to be measured.
In these optional embodiments, generating set 130 includes multi-winding generator 131, multi-winding generator 131
The input terminal number of each winding one output end of formation, winding number and current transformer to be measured 111 matches, so that hair
The output end number of motor group 130 and the input terminal number of current transformer to be measured 111 match.
In other optional embodiments, generating set 130 includes multi-winding generator 131 and transfer box 132；Mostly around
The input terminal of group generator 131 is connected to dragging motor 120, and the output end of multi-winding generator 131 is connected to transfer box 132；
The output end number of transfer box 132 and the input terminal number of current transformer to be measured 111 match, and the output end of transfer box 132 is direct
It is connected to current transformer 111 to be measured.
In these optional embodiments, generating set 130 includes multi-winding generator 131 and transfer box 132, Multiple coil
Generator 131 is connected by transfer box 132 and current transformer to be measured 111, the output end number of transfer box 132 and current transformer to be measured
111 input terminal number matches, therefore the output end number by adjusting transfer box 132, or passes through replacement transfer box
132, that is, the current transformer to be measured 111 for aloowing 100 test input number of test device different, no replacement is required, and Multiple coil is sent out
Motor 131, while improving the versatility of test device 100, additionally it is possible to reduce operation difficulty.
It is understood that the multiple to be measured current transformers 111 different for test input number when test device 100
When, there are many set-up modes that the output end number of transfer box 132 and the input terminal number of current transformer to be measured 111 match, example
Such as, test device 100 is equipped with multiple transfer boxes 132, and output end number is different between multiple transfer boxes 132, according to change to be measured
The input terminal number for flowing device 111 selects suitable transfer box 132, so that the output end number of transfer box 132 and current transformer to be measured
111 input terminal number matches.
In other optional embodiments, transfer box 132 includes M connector assembly 132a, of connector assembly 132a
Number is identical with the winding number of multi-winding generator 131, and the input terminal of M connector assembly 132a is electrically connected to multi-winding generator
131.When the input terminal number of current transformer 111 to be measured is M, the output end of M connector assembly 132a is directly connected in be measured
Current transformer 111；Alternatively, the output end parallel connection of M connector assembly 132a forms parallel outputs 132b, parallel outputs 132b's
Number and the input terminal number of current transformer to be measured 111 match, and parallel outputs 132b is electrically connected to current transformer 111 to be measured.
In these optional embodiments, transfer box 132 includes M adapter assembly, and the input terminal of adapter assembly directly connects
It is connected to multi-winding generator 131, the output end of adapter assembly in parallel can form parallel outputs 132b, due to parallel outputs
132b is formed by the output end parallel connection of adapter assembly, therefore the output voltage of parallel outputs 132b is equal to the output of adapter assembly
Voltage is held, the voltage of parallel outputs 132b will not be made to increase, the voltage of parallel outputs 132b is suitable for current transformer to be measured
111, while parallel outputs 132b makes the output end number of transfer box 132 adjustable, as long as therefore adjusting the defeated of transfer box 132
Outlet number aloows test device 100 to test the current transformer to be measured 111 of different input terminal numbers, easy to operate, makes
With conveniently.
Wherein, the winding number of multi-winding generator 131 it is not limited here, due to the winding of multi-winding generator 131
Number determines the number of connector assembly 132a, in order to improve the versatility of test device 100, multi-winding generator 131 around
Group number should be larger, such as multi-winding generator 131 is 6 winding generators, 12 winding generators etc..
The output end parallel connection of M connector assembly 132a is formed there are many embodiments of parallel outputs 132b, some
In optional embodiment, in M connector assembly 132a N number of connector assembly 132a be one group, be connected in parallel to be formed M/N parallel connection it is defeated
Outlet 132b, wherein M, N are positive integer, and M can be evenly divisible by N.Wherein, M and N can be equal, as M and N equal, i.e. M
The output end of connector assembly 132a is directly connected in current transformer 111 to be measured.
Wherein, the input terminal of connector assembly 132a can be single phase input or multiphase input terminal here；Connector assembly
The output end of 132a can be single-phase output end or heterogeneous output end.When the output end of connector assembly 132a is single-phase output end
When, the parallel outputs 132b that the output end parallel connection of multiple connector assembly 132a is formed is single-phase output end；Work as connector assembly
When the output end of 132a is heterogeneous output end, the parallel outputs 132b that the output end parallel connection of multiple connector assembly 132a is formed is
Heterogeneous output end.Due to the generally output three-phase electricity of multi-winding generator 131, the input terminal of connector assembly 132a can be three
Phase input terminal, the output end of connector assembly 132a can be three-phase output end, and parallel outputs 132b is three-phase output end.
Below by taking 12 winding generators as an example, embodiment is illustrated, when the winding of multi-winding generator 131
When number is 12,132a number of connector assembly of junction box for the input terminal of 12,12 connector assembly 132a be connected to mostly around
Each winding of group generator 131.
As shown in Figure 1, current transformer 111 to be measured has 12 power modules parallel with one another, therefore current transformer to be measured 111 has
There are 12 input terminals, schematically only depicts first power module and the 12nd corresponding connection of power module in Fig. 1
Mode.As shown in Fig. 2, wherein A, B, C are Fig. 2 shows the output end structure schematic diagram of connector assembly 132a in transfer box 132
One group of three-phase output end of connector assembly 132a, one shares 12 connector assembly 132a, 12 three-phase output ends.When unsteady flow to be measured
When the input terminal number of device 111 is 12, the output end of 12 connector assembly 132a is connected to the defeated of current transformer 111 to be measured
Enter end.
As shown in figure 3, when the input terminal number of current transformer 111 to be measured is 4, the output end of 12 connector assembly 132a
3 in parallel for one group, and it is defeated with current transformer 111 to be measured respectively to form 4 parallel outputs 132b, 4 parallel outputs 132b
Enter end to be connected, wherein in order to more accurately illustrate one of parallel outputs 132b, with dotted line by 4 parallel connections in figure
Output end 132b is distinguished, it is to be understood that dotted line is not visible, and does not constitute the limit to 132 structure of transfer box
It is fixed.
As shown in figure 4, when the input terminal number of current transformer 111 to be measured is 2, the output end of 12 connector assembly 132a
6 in parallel for one group, forms 2 parallel outputs 132b.Likewise, 2 parallel outputs 132b are carried out with dotted line in figure
It distinguishes, it is to be understood that dotted line is not visible, do not constitute the restriction to 132 structure of transfer box.
Therefore, in the utility model embodiment, the output end number of transfer box 132 is adjustable, is suitable for different input terminals
The current transformer to be measured 111 of number improves the versatility of test device 100.
In other optional embodiments, when the input terminal number of current transformer 111 to be measured is 6,12 wiring groups
Output end 2 of part 132a are one group in parallel, form 6 parallel outputs 132b.
In some alternative embodiments, test device 100 further include: dragging frequency converter 150, for driving dragging motor
120 and multiwinding machine operating；Dragging motor 120 and multi-winding generator 131 are coaxially connected.
Wherein, there are many dragging motor 120 and the coaxially connected modes of multi-winding generator 131, such as dragging motor 120
It is coaxial with multi-winding generator 131 and coupled using spline, so that signal between dragging motor 120 and multi-winding generator 131
Transmission is stablized.
In these optional embodiments, dragging frequency converter 150 can control the fortune of dragging motor 120 and multiwinding machine
Turn, so that dragging motor 120 and multi-winding generator 131 are run according to actual needs, wherein dragging motor 120 and more
Winding generator 131 is coaxially connected, and dragging motor 120 and multi-winding generator 131 are operated at the same speed, therefore drags and become
As long as frequency device 150 controls one of both dragging motor 120 and multi-winding generator 131, control difficulty is reduced.
In some alternative embodiments, test device 100 further includes torque sensor 160, torque sensor 160 it is defeated
Enter end and be connected to dragging motor 120, to obtain the torque of dragging motor 120, the output end of torque sensor 160 is connected to dragging
Frequency converter 150, to send the torque of dragging motor 120 to dragging frequency converter 150；Or/also, torque sensor 160 it is defeated
Enter end and be connected to multi-winding generator 131, to obtain the torque of multi-winding generator 131, the output end of torque sensor 160 connects
It is connected to dragging frequency converter 150, to send the torque of multi-winding generator 131 to dragging frequency converter 150.
In these optional embodiments, test device 100 further includes torque sensor 160, due to 120 He of dragging motor
Multi-winding generator 131 is coaxially connected, as long as dragging frequency converter 150 controls dragging motor 120 and multi-winding generator 131 wherein
One, therefore torque sensor 160 can be set in dragging motor 120 and multi-winding generator 131 on any one,
Or torque sensor 160 is set to dragging motor 120 and multi-winding generator 131 simultaneously, improves torque sensor 160 and obtains
Data reliability, torque sensor 160 can obtain the torque of dragging motor 120 and/or multi-winding generator 131, and
The torque is sent to dragging frequency converter 150, allows dragging frequency converter 150 according to the moment of torsion control dragging motor 120 and more
The operating of winding generator 131 guarantees the normal table operation of test device 100.
In some alternative embodiments, test device 100 further includes encoder, and encoder is connected to dragging motor 120,
To obtain the revolving speed of dragging motor 120, the output end of encoder is connected to dragging frequency converter 150, to send out to dragging frequency converter 150
Send the revolving speed of dragging motor 120；Or/also, encoder is connected to multi-winding generator 131, to obtain multi-winding generator
Revolving speed 131, the output end of encoder be connected to dragging frequency converter 150, with to dragging frequency converter 150 send multi-winding generator
131 revolving speed.
In these optional embodiments, test device 100 further includes encoder, due to dragging motor 120 and Multiple coil
Generator 131 is coaxially connected, as long as dragging frequency converter 150 controls dragging motor 120 and 131 one of them of multi-winding generator is
Can, therefore encoder can be set in dragging motor 120 and multi-winding generator 131 on any one or encoder is same
When be set to dragging motor 120 and multi-winding generator 131, improve the reliability for the data that encoder obtains, encoder can
The revolving speed of dragging motor 120 and/or multi-winding generator 131 is obtained, and sends the revolving speed to dragging frequency converter 150, so that dragging
Dynamic frequency converter 150 can control the operating of dragging motor 120 and multi-winding generator 131 according to the revolving speed, guarantee test device
100 normal table operation.
Fig. 5 is please combined together, and the utility model second embodiment also provides a kind of test macro, for testing current transformer
Performance parameter, test device 100, test device 100 are the test device 100 of any of the above-described first embodiment；Control cabinet 200,
It is run for controlling test device 100 and current transformer to be measured 111；Central control board 300, including data collection system 310 and behaviour
Make panel 320, data collection system 310 is used for the operating parameter of collecting test device 100 and current transformer to be measured 111, operating surface
Plate 320 is used to show the operating parameter of test device 100 and current transformer to be measured 111, and for typing and setting test device 100
And the operating parameter of current transformer 111 to be measured.
In the utility model embodiment, test device 100 can provide testing stand, and different for current transformer 111 to be measured
The current transformer of number input terminal is all suitable for, and control cabinet 200 can control the operating status of test device 100, so that test device 100
It can be run according to test request, data collection system 310 is capable of the operating parameter of collecting test device 100 and to be measured
The operating parameter of current transformer 111, operation panel 320 can show these operating parameters, and user is facilitated to connect unsteady flow to be measured in time
The operating status of device 111 and test device 100, while these operating parameters can also be set by operation panel 320, it is convenient
User is according to the operation of test device 100 and current transformer to be measured 111 adjustment test device 100 and current transformer to be measured 111 in time
Operating status.
Wherein, control cabinet 200 controls the operation of test device 100 and refers to, the control of control cabinet 200 test device 100 each zero
The operation of part, such as control cabinet 200 control dragging frequency converter 150, resilience current transformer 140, the current transformer to be measured of test device 100
The operation of 111 equal components.
Control cabinet 200 controls there are many embodiments that test device 100 is run, for example, control cabinet 200 includes control
Device, controller are connected to each components of test device 100 by wired or wireless Ethernet, and to each of test device 100
Components send control instruction by wired or wireless Ethernet, to achieve the purpose that control each components of test device 100.
The operating parameter of 310 collecting test device 100 of data collection system and current transformer to be measured 111 includes data acquisition
System 310 is used to acquire and store in real time revolving speed, torque, voltage, temperature, electric current, power, frequency, the power of dragging motor 120
The busbar voltage of factor and resilience current transformer 140, input voltage, running temperature, input current, input frequency, output electricity
Pressure, output electric current, output power, output frequency and pusher side voltage, electric current, power, frequency, power factor, there are also net side electricity
Pressure, electric current, power, frequency, power factor, revolving speed, winding temperature of multi-winding generator 131 etc., and sent out to operation panel 320
These parameters are given, operation panel 320 is enabled to show these operating parameters, user is facilitated to understand test device 100 in time
Operation conditions.Simultaneously data collection system 310 can also the wind speed information that generates of typing dragging motor 120, and by these information
Forming curves are shown in operation panel 320, facilitate user according to wind speed characteristics needed for testing requirement simulation to try
It tests.
In some alternative embodiments, data collection system 310 is surveyed by torque-measuring apparatus, rotating speed coder, voltage
The high-precision sensors such as quantity sensor, current metering sensor, winding temperature, High Speed Data Acquisition card, the groups such as communication module
At.By ethernet communication mode, data are transmitted to 320 real-time display of operation panel by data collection system 310, and are able to achieve song
The functions such as line filing and historical query.
Control cabinet 200 can also obtain in real time operating parameter by data collection system 310, convenient for 200 pairs of control cabinet surveys
Trial assembly set 100 and the operating status of current transformer to be measured 111 monitored.
The utility model can be realized in other specific forms, without departing from its spirit and essential characteristics.For example, specific
Algorithm described in embodiment can be modified, and system architecture is without departing from the essence spirit of the utility model.Cause
This, current embodiment is all counted as being exemplary rather than in all respects limited, and the scope of the utility model is by institute
Attached claim rather than foregoing description define, also, fall into the meaning of claim and whole in the range of equivalent change
To all be included among the scope of the utility model.
Claims (10)
1. a kind of test device (100), for testing the performance parameter of current transformer, which is characterized in that the test device (100)
Include:
Testboard (110), acquires current transformer to be measured (111) performance parameter, and the current transformer (111) to be measured has more than two
Input terminal；
Dragging motor (120), converts electrical energy into mechanical energy；
The input terminal of generating set (130), the generating set (130) is connected to the output end of the dragging motor (120), uses
Electric energy, the output end number of the generating set (130) and institute are converted in the mechanical energy for exporting the dragging motor (120)
The input terminal number for stating current transformer to be measured (111) matches, so that the output end of the generating set (130) can be connected to institute
It states current transformer to be measured (111), drives current transformer (111) operation to be measured；
The input terminal of resilience current transformer (140), the resilience current transformer (140) is electrically connected to the output of the testboard (110)
End, the output end of the resilience current transformer (140) are electrically connected to the input terminal of the dragging motor (120), are surveyed with forming circulation
Try circuit.
2. test device (100) according to claim 1, which is characterized in that the generating set (130) includes Multiple coil
The input terminal of generator (131), the multi-winding generator (131) is connected to the dragging motor (120), the Multiple coil hair
The winding number of motor (131) and the input terminal number of the current transformer (111) to be measured match, the multi-winding generator
(131) output end is directly connected in the current transformer to be measured (111).
3. test device (100) according to claim 1, which is characterized in that the generating set (130) includes Multiple coil
Generator (131) and transfer box (132)；
The input terminal of the multi-winding generator (131) is connected to the dragging motor (120), the multi-winding generator
(131) output end is connected to the transfer box (132)；
The output end number of the transfer box (132) and the input terminal number of the current transformer to be measured (111) match, and described turn
The output end for connecing case (132) is directly connected in the current transformer to be measured (111).
4. test device (100) according to claim 3, which is characterized in that the transfer box (132) includes M wiring
Component (132a), the number of the connector assembly (132a) is identical with the winding number of the multi-winding generator (131), and M
The input terminal of the connector assembly (132a) is electrically connected to the multi-winding generator (131)；
The output end of the M connector assemblies (132a) is directly connected in the current transformer to be measured (111)；
Alternatively, the output end parallel connection of the M connector assemblies (132a) forms parallel outputs (132b), the parallel outputs
The number of (132b) and the input terminal number of the current transformer to be measured (111) match, and the parallel outputs (132b) are electrically connected
It is connected to the current transformer to be measured (111).
5. test device (100) according to claim 4, which is characterized in that the output of the M connector assemblies (132a)
End is in parallel to form parallel outputs (132b), the numbers of the parallel outputs (132b) and the current transformer to be measured (111)
Input terminal number matches, and the parallel outputs (132b) are electrically connected to the current transformer to be measured (111),
N number of connector assembly (132a) is one group in the M connector assemblies (132a), is connected in parallel to form M/N parallel connection
Output end (132b), wherein M, N are positive integer, and M can be evenly divisible by N.
6. test device (100) according to claim 4, which is characterized in that
The input terminal of each connector assembly (132a) is single phase input or multiphase input terminal；
The output end and parallel outputs (132b) of each connector assembly (132a) are that single-phase output end or multiphase are defeated
Outlet.
7. test device (100) according to claim 2 or 3, which is characterized in that further include:
It drags frequency converter (150), for controlling the dragging motor (120) and the multi-winding generator (131) operating；
The dragging motor (120) and the multi-winding generator (131) are coaxially connected.
8. test device (100) according to claim 7, which is characterized in that it further include torque sensor (160),
The input terminal of the torque sensor (160) is connected to the dragging motor (120), to obtain the dragging motor
(120) torque, the output end of the torque sensor (160) are connected to the dragging frequency converter (150), with to the dragging
Frequency converter (150) sends the torque of the dragging motor (120)；
Or/also, the input terminal of the torque sensor (160) is connected to the multi-winding generator (131), to obtain
The torque of multi-winding generator (131) is stated, the output end of the torque sensor (160) is connected to the dragging frequency converter
(150), to send the torque of the multi-winding generator (131) to dragging frequency converter (150).
9. test device (100) according to claim 7, which is characterized in that it further include encoder,
The encoder is connected to the dragging motor (120), to obtain the revolving speed of the dragging motor (120), the coding
The output end of device is connected to the dragging frequency converter (150), to send the dragging motor to the dragging frequency converter (150)
(120) revolving speed；
Or/also, the encoder is connected to the multi-winding generator (131), to obtain the multi-winding generator
(131) revolving speed, the output end of the encoder are connected to the dragging frequency converter (150), with to the dragging frequency converter
(150) revolving speed of the multi-winding generator (131) is sent.
10. a kind of test macro, for testing the performance parameter of current transformer characterized by comprising
Test device (100), the test device (100) are the described in any item test devices of claim 1 to 9 (100)；
Control cabinet (200), for controlling the test device (100) and the current transformer to be measured (111) operation；
Central control board (300), including data collection system (310) and operation panel (320), the data collection system
(310) for acquiring the operating parameter of the test device (100) and the current transformer to be measured (111), the operation panel
(320) for showing and setting the operating parameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821017774.5U CN208520931U (en) | 2018-06-28 | 2018-06-28 | Test device and test macro |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821017774.5U CN208520931U (en) | 2018-06-28 | 2018-06-28 | Test device and test macro |
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| Publication Number | Publication Date |
|---|---|
| CN208520931U true CN208520931U (en) | 2019-02-19 |
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ID=65338061
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| CN201821017774.5U Active CN208520931U (en) | 2018-06-28 | 2018-06-28 | Test device and test macro |
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| Country | Link |
|---|---|
| CN (1) | CN208520931U (en) |
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2018
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