CN203705615U - Energy cyclic utilization system designed for motor test - Google Patents
Energy cyclic utilization system designed for motor test Download PDFInfo
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- CN203705615U CN203705615U CN201420066411.6U CN201420066411U CN203705615U CN 203705615 U CN203705615 U CN 203705615U CN 201420066411 U CN201420066411 U CN 201420066411U CN 203705615 U CN203705615 U CN 203705615U
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- tested motor
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- electric energy
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- Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)
- Control Of Eletrric Generators (AREA)
Abstract
The utility model provides an energy cyclic utilization system designed for a motor test. The system comprises the following modules and operation procedures: a DC busbar voltage is connected to an inverter, an AC reactor, a frequency modulation pressure regulating unit and a forward spinning filter, a power supply is output to a motor under test, a generator under accompanying test is driven to generate electricity, and the generator is connected to a voltage transformation module, a rectifier and back to the DC busbar voltage. In the energy cyclic utilization system designed for the motor test, the motor under test drags the generator under accompanying test to do work and generate electricity in the test process, and the electric energy output by the generator under accompanying test is coupled back to the DC busbar voltage emitting electric energy of an external power supply via the voltage transformation module and the rectifier to be supplied to the motor under test, so that usage of external connecting electric energy is greatly reduced, and substantial energy saving effects are achieved.
Description
Technical field
The utility model relates to Motor Measuring Technology field, relates in particular to a kind of heat recovery system designing for electromechanical testing.
Background technology
In the time carrying out the main motor experiment such as temperature rise, load, family curve (accounting for more than 85% in motor test), need to be by tested motor+torque rotary speed sensor+accompany examination load machine to be connected on same straight line.By the mode (such as tested motor supplies 50Hz power supply to it, accompany examination load machine to its 49.99Hz, so just added some loads to motor) of difference frequency, carry out the experiments such as temperature rise, load.In the time testing by this way, tested motor is motor, and accompanying examination motor is the generator being dragged by tested motor; In prior art, the source of the electric energy of tested motor work comes from entirely for external power supply, and accompanies examination motor institute's work in by motor run process not produce any effect, thereby has caused the significant wastage of the energy.
Utility model content
In order to overcome the defect of prior art, save and improve energy utilization, the utility model discloses a kind of heat recovery system of electromechanical testing design, comprise tested motor and accompany examination generator, described tested motor is connected with the described examination generator of accompanying, described tested motor turns round after powering by power-supply system, accompanies examination generator work generating to produce electric energy and export to described tested motor use described in described tested motor drives.
Preferably, described tested motor is connected with the described examination generator of accompanying by torque rotary speed sensor.
Preferably, described accompany examination generator output terminal on be also disposed with voltage changing module and rectifier, described in accompany examination generator produce electric energy after described voltage changing module and the first rectifier, feed back to successively the DC bus-bar voltage that described power-supply system provides for described tested motor.
Preferably, between described DC bus-bar voltage and the power input of described tested motor, be also disposed with inverter, AC reactor, frequency modulation and voltage modulation unit and sinusoidal filter
The utility model, owing to adopting above technical scheme, makes it compared with prior art, has following advantage and good effect:
The heat recovery system designing for electromechanical testing that the utility model provides, tested motor is in tested process, drag and accompany examination generator acting generating, accompany the electric energy of examination generator output to be passed through voltage changing module by system, pass through again rectifier, feed back to external power supply and send at first the DC bus-bar voltage of electric energy, resupply tested motor and use, thereby greatly reduce the use of electric energy, there is energy-conservation effect.
Accompanying drawing explanation
By reference to the accompanying drawings, by the detailed description of stating below, can more clearly understand above-mentioned and other feature and advantage of the present utility model, wherein:
The heat recovery system construction drawing that Fig. 1 designs for electromechanical testing.
Symbol description:
1-DC bus-bar voltage
2-inverter
3-AC reactor
4-frequency modulation and voltage modulation unit
5-sinusoidal filter
The tested motor of 6-
7-accompanies examination generator
8-voltage changing module
9-the first rectifier
10-transformer
11-the second rectifier
Embodiment
Referring to the accompanying drawing that the utility model embodiment is shown, the utility model below will be described in more detail.But the utility model can be with many multi-form realizations, and should not be construed as the restriction of the embodiment being subject in this proposition.On the contrary, it is abundant and complete open in order to reach proposing these embodiment, and makes those skilled in the art understand scope of the present utility model completely.In these accompanying drawings, for clarity sake, may amplify size and the relative size in layer and region.
Description 1 is described the embodiment of the heat recovery system of the utility model electromechanical testing design in detail, the heat recovery system of this electromechanical testing design will accompany examination motor 7 works to change into electric energy, for tested motor 6, thereby reduce greatly the use amount of electric energy in hit testing.
Concrete, the heat recovery system of this electromechanical testing design comprises tested motor 6 and accompanies examination generator 7, and tested motor 6 and accompanying between examination generator 7 is connected by torque rotary speed sensor; Under original state, tested motor 6 turns round after powering by power-supply system, concrete power-supply system comprises external power supply, transformer 10, the second rectifier 11, the electric energy that transformer 10, the second rectifier 11 provide external power supply is converted to DC bus-bar voltage 1 and flows to tested motor 6 and make its rotation, tested motor 6 is driven and is accompanied examination generator 7 to rotate by torque rotary speed sensor, thereby carries out motor experiment.Accompany examination generator 7 to produce electric energy in the process of rotating, the electric energy of accompanying examination generator 7 to export is transferred to the DC bus-bar voltage 1 that power-supply system produces, and continues tested motor 6 to power.
In the present embodiment, accompany the output terminal of examination generator 7 to be disposed with voltage changing module 8 and the first rectifier 9, voltage changing module 8 is for carrying out transformation to the electric energy of accompanying examination generator 7 to export, the first rectifier 9 is for the alternating current of accompanying the higher and less stable of the voltage that sends of examination generator 7, after slicing voltage stabilizing, become voltage and current galvanic current, and guarantee all the time the stable of voltage.Direct current after transformation and rectification feeds back to initial DC bus-bar voltage 1, resupplies tested motor 6 and uses, thereby the use amount of extraneous power supply is reduced, and has the effect of saving the energy.
In the present embodiment, between DC bus-bar voltage 1 and tested motor 6, be also disposed with inverter 2, AC reactor 3, frequency modulation and voltage modulation unit 4 and sinusoidal filter 5, feed back to DC bus-bar voltage 1 by the direct current after transformation rectification of accompanying examination generator 7 to export, inverter 2, AC reactor 3, frequency modulation and voltage modulation unit 4 and sinusoidal filter 5 are provided together with the DC bus-bar voltage 1 being provided by power-supply system.Wherein, inverter 2 is for becoming alternating current by the DC inverter of input, AC reactor 3 is for suppressing surge voltage and surge current, raising electrical source power factor, frequency modulation and voltage modulation unit 4 regulates for the controlled output of single-frequency supply voltage being carried out to frequency and voltage, sinusoidal filter 5 is for carrying out filtering to alternating current, filter peak voltage, effectively suppress high-frequency loss.
In the time testing in the above described manner, tested motor 6 is energy users, trailing accompany examination generator 7 are exporters of energy, the electric energy of output can be passed through voltage changing module by system, pass through again rectification module, feed back to the DC bus-bar voltage 1 of sending at first electric energy, resupply tested motor 6 and use, thereby form the following circulation system: DC bus-bar voltage → inverter → AC reactor → frequency modulation and voltage modulation unit → dextrorotation wave filter → power supply is exported to tested motor → drive and accompanied examination load machine generating → voltage changing module → rectifier → DC bus-bar voltage.The heat recovery system of the electromechanical testing design that motor employing the utility model of a 315kw provides, in the time carrying out temperature rise or load test, be added to full load 315kw, the electric energy that extraneous power supply uses only has 12% to be 38kw left and right, all the other electric energy of 88% are by accompanying examination generator 7 to produce, the electric energy of the extraneous power supply that other big or small motors use also floats in 10% ~ 15% interval, thereby greatly reduces the use amount of power supply, has energy-saving effect.
In sum, the utility model provides a kind of heat recovery system designing for electromechanical testing, and module and operational scheme that this system comprises are specific as follows: DC bus-bar voltage → inverter → AC reactor → frequency modulation and voltage modulation unit → dextrorotation wave filter → power supply is exported to tested motor → drive and accompanied examination load machine generating → voltage changing module → rectifier → DC bus-bar voltage.The heat recovery system designing for electromechanical testing that the utility model provides, tested motor is in tested process, drag and accompany examination generator acting generating, accompany the electric energy of examination generator output to pass through voltage changing module, pass through again rectifier, feed back in the DC bus-bar voltage that external power supply sends electric energy at first, resupply tested motor and use, thereby significantly reduce the use of external electric energy, there is significant energy-saving effect.
Those skilled in the art should be understood that the utility model can not depart from spirit or scope of the present utility model with many other concrete forms realizations.Although described embodiment of the present utility model, should understand the utility model and should not be restricted to these embodiment, within the utility model spirit and scope that those skilled in the art can define as appended claims, make and change and revise.
Claims (4)
1. the heat recovery system designing for electromechanical testing, it is characterized in that, comprise tested motor and accompany examination generator, described tested motor is connected with the described examination generator of accompanying, described tested motor turns round after powering by power-supply system, accompanies examination generator work generating to produce electric energy and export to described tested motor use described in described tested motor drives.
2. the heat recovery system designing for electromechanical testing according to claim 1, is characterized in that, described tested motor is connected with the described examination generator of accompanying by torque rotary speed sensor.
3. the heat recovery system designing for electromechanical testing according to claim 1, it is characterized in that, described accompany examination generator output terminal on be also disposed with voltage changing module and rectifier, described in accompany examination generator produce electric energy after described voltage changing module and the first rectifier, feed back to successively the DC bus-bar voltage that described power-supply system provides for described tested motor.
4. the heat recovery system designing for electromechanical testing according to claim 3, it is characterized in that, between described DC bus-bar voltage and the power input of described tested motor, be also disposed with inverter, AC reactor, frequency modulation and voltage modulation unit and sinusoidal filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420066411.6U CN203705615U (en) | 2014-02-14 | 2014-02-14 | Energy cyclic utilization system designed for motor test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420066411.6U CN203705615U (en) | 2014-02-14 | 2014-02-14 | Energy cyclic utilization system designed for motor test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203705615U true CN203705615U (en) | 2014-07-09 |
Family
ID=51056035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420066411.6U Expired - Fee Related CN203705615U (en) | 2014-02-14 | 2014-02-14 | Energy cyclic utilization system designed for motor test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203705615U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104267347A (en) * | 2014-09-24 | 2015-01-07 | 无锡新大力电机有限公司 | Motor energy-saving and temperature-rising test device and method |
-
2014
- 2014-02-14 CN CN201420066411.6U patent/CN203705615U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104267347A (en) * | 2014-09-24 | 2015-01-07 | 无锡新大力电机有限公司 | Motor energy-saving and temperature-rising test device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20150214 |
|
| EXPY | Termination of patent right or utility model |