CN202564971U - Energy regeneration system of frequency converter aging test link - Google Patents
Energy regeneration system of frequency converter aging test link Download PDFInfo
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- CN202564971U CN202564971U CN2012202603940U CN201220260394U CN202564971U CN 202564971 U CN202564971 U CN 202564971U CN 2012202603940 U CN2012202603940 U CN 2012202603940U CN 201220260394 U CN201220260394 U CN 201220260394U CN 202564971 U CN202564971 U CN 202564971U
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- frequency converter
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Abstract
An energy regeneration system of a frequency converter aging test link comprises a transformer for lowering voltage of a power grid, a power distribution cabinet for distributing the voltage of the power grid, at least a frequency converter, at least a motor controlled by the frequency converter, a high-low temperature cabinet for providing an aging environment, a computer cabinet, at least a generator for transforming partial kinetic energy of the motor into electrical energy and an electrical energy transmission device for transmitting the electrical energy to the power grid, wherein the transformer is connected to the power grid, the power distribution cabinet is connected to the computer cabinet, the high-low temperature cabinet, the motor and the transformer, the computer cabinet is connected to the high-low temperature cabinet, the frequency converter is mounted inside the high-low temperature cabinet, the frequency converter is connected to the motor, the motor is connected to the generator, the generator is connected to the electrical energy transmission device, and the electrical energy transmission device is connected to the power grid. With the energy regeneration system of the frequency converter aging test link provided by the utility model, surplus energy in the frequency converter aging test link can be utilized efficiently, thereby saving energy and facilitating environmental protection.
Description
Technical field
The utility model relates to a kind of energy regeneration system, relates in particular to the energy regeneration system of frequency converter burn-in test link.
Background technology
In the frequency converter burn-in test link, frequency converter drives motor and carries out exercises, comprising: just change, reverse, quicken, slow down and stop and stop etc.The rotation of motor can produce mechanical energy, if what load motor does not take over, the mechanical energy that motor produced will be wasted.The waste that this has just caused the energy has strengthened production cost, also is unfavorable for environmental protection simultaneously.
The utility model content
The technical problem that the utility model will solve is to overcome owing to can't effectively utilizing motor to cause the problem of energy waste in the burn-in test link of frequency converter, and proposes a kind of energy regeneration system of frequency converter burn-in test link.
For solving the problems of the technologies described above; The utility model proposes a kind of energy regeneration system of frequency converter burn-in test link, comprise one in order to the transformer that reduces line voltage, one in order to the power distribution cabinet that distributes line voltage, at least one frequency converter, at least one motor that is controlled by frequency converter, one in order to high low temperature cabinet that ageing environment is provided, a Computer cabinet, at least onely electric energy is sent to the electric energy transmission device of electrical network, wherein in order to the generator that is converted into the part kinetic energy of motor electric energy and; Transformer connects electrical network; Power distribution cabinet connects Computer cabinet, high low temperature cabinet and transformer, and Computer cabinet connects high low temperature cabinet, and frequency converter is installed in the high low temperature cabinet; Frequency converter connects motor; Motor connects generator, and generator connects the electric energy transmission device, and the electric energy transmission device connects electrical network.
Preferably; The generator output AC; The electric energy transmission device comprise one be converted into DC power supply in order to AC power with generator output rectifier bridge, a direct current link circuit and in order to DC power supply is converted into the inversion unit of AC power, the input of rectifier bridge connects generator, the output of rectifier bridge connects the input of direct current link circuit; The output of direct current link circuit connects inversion unit, and inversion unit connects electrical network.
Compared with prior art, the beneficial effect of the utility model comprises: effectively utilized the energy more than needed that drive motors produced in the frequency converter burn-in test link, reduced production cost, helped environmental protection.
Description of drawings
Fig. 1 is the schematic diagram of energy regeneration system of the frequency converter burn-in test link of the utility model.
Embodiment
For principle and the structure that further specifies the utility model, combine accompanying drawing that the preferred embodiment of the utility model is elaborated at present.
The utility model proposes a kind of energy regeneration system of frequency converter burn-in test link, comprising: one in order to the transformer that reduces line voltage 1, one in order to the power distribution cabinet 2 that distributes line voltage, at least one frequency converter 3, at least one motor that is controlled by frequency converter 34, one in order to high low temperature cabinet that ageing environment is provided 5, a Computer cabinet 6, at least onely electric energy is sent to the electric energy transmission device 8 of electrical network 9 in order to the generator 7 that is converted into the part kinetic energy of motor electric energy and.
Wherein, transformer 1 connects electrical network 9, and power distribution cabinet 2 connects Computer cabinet 6, high low temperature cabinet 5 and transformer 1; Computer cabinet 6 connects high low temperature cabinet 5; Frequency converter 3 is installed in the high low temperature cabinet 5, and frequency converter 3 connects motor 4, and motor 4 connects generator 7; Generator 7 connects electric energy transmission device 8, and electric energy transmission device 8 connects electrical network 9.Generator 7 of frequency converter 1 motor of control 4, one motors, 4 corresponding connections.In the present embodiment, test 12 frequency converters 1 simultaneously, therefore need corresponding 12 motors 4 and generator 7.Motor 4 is an alternating current machine, and generator 7 is the generation alternating current under the driving of motor 4.
In the present embodiment, transformer 1 is chosen the dry-type three-phase transformer of 380V.Power distribution cabinet 2 is provided with diverter switch and selects output 220V AC or 380V AC.High low temperature cabinet 5 is for frequency converter provides ageing environment, and the temperature control requirement of ageing environment is: be raised to 85 ℃ from 25 ℃ in preceding 20 minutes hourly, clock drops to-5 ℃ from 85 ℃ again in back 40 minutes.The frequency converter 1 of corresponding each test is provided with display on the Computer cabinet 6, and this display is in order to the working condition of monitoring frequency converter 1 under ageing environment.Electric energy transmission device 8 is the transmission device of model ACS800.
In the present embodiment, adopt hang 12 frequency converters 1 to be suspended on the inwall of high low temperature cabinet 5 and carry out burn-in test.
Electric energy transmission device 4 comprise one be converted into DC power supply in order to AC power with generator output rectifier bridge, a direct current link circuit and in order to DC power supply is converted into the inversion unit of AC power; The input of rectifier bridge connects generator; The output of rectifier bridge connects the input of direct current link circuit; The output of direct current link circuit connects inversion unit, and inversion unit connects electrical network.
Set forth the operation principle of the energy regeneration system of a kind of frequency converter functional test of the utility model link below in conjunction with Fig. 1.
At first, transformer 1 carries electrical network 9 the 380V voltage of coming to be reduced to 220V.It still is 220V voltage that Computer cabinet 6 is selected 380V voltage according to actual conditions control power distribution cabinet.Behind the selected good voltage, high low temperature cabinet 5 and frequency converter 3 are started working.Frequency converter 3 comprises that according to commands for controlling motor 4 work of Computer cabinet 6 control motor 4 is just changeing, reversing, quickens, slows down and stop and stop.High low temperature cabinet 5 provides the temperature environment of variation for motor.Drive generator 7 in the time of motor 4 work and rotate, generator 7 is converted into electric energy to the mechanical energy of motor 4.Generator 7 output ACs.The alternating current of generator 7 outputs is through the rectification module of electric energy transmission device 8; Rectification module changes into direct current to alternating current; Direct current is through the direct current link circuit inversion module of flowing through; Inversion module uses electronic switch that direct current is changed into the square wave that needs frequency, and repeatedly stack becomes the near sinusoidal alternating current and outputs in the electrical network.Because the electrical network electric energy that needs to use is certain, the electric energy of energy regeneration system recoveries can replenish the output electric energy of electrical network, makes the output electric energy of electrical network reduce, and has saved electric energy effectively.
Compared with prior art, adopt a kind of energy regeneration system of frequency converter burn-in test link, can effectively utilize the energy more than needed in the frequency converter functional test link, saved the energy, reduced production cost and helped environmental protection.
The above is merely the preferable possible embodiments of the utility model, and the protection range of unrestricted the utility model.The equivalent structure that all utilization the utility model specifications and accompanying drawing content have been done changes, and all is included in the protection range of the utility model.
Claims (2)
1. the energy regeneration system of a frequency converter burn-in test link; It is characterized in that; Comprise one in order to the transformer that reduces line voltage, one in order to the power distribution cabinet that distributes said line voltage, at least one frequency converter, at least one motor that is controlled by said frequency converter, one in order to high low temperature cabinet that ageing environment is provided, a Computer cabinet, at least onely said electric energy is sent to the electric energy transmission device of electrical network in order to the generator that is converted into the part kinetic energy of said motor electric energy and; Wherein, said transformer connects electrical network, and said power distribution cabinet connects said Computer cabinet, said high low temperature cabinet and said transformer; Said Computer cabinet connects said high low temperature cabinet; Said frequency converter is installed in the said high low temperature cabinet, and said frequency converter connects said motor, and said motor connects said generator; Said generator connects said electric energy transmission device, and said electric energy transmission device connects said electrical network.
2. energy regeneration as claimed in claim 1 system; It is characterized in that; Said generator output AC; Said electric energy transmission device comprise one be converted into DC power supply in order to AC power with the output of said generator rectifier bridge, a direct current link circuit and in order to said DC power supply is converted into the inversion unit of AC power, the input of said rectifier bridge connects said generator, the output of said rectifier bridge connects the input of said direct current link circuit; The output of said direct current link circuit connects said inversion unit, and said inversion unit connects said electrical network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202603940U CN202564971U (en) | 2012-06-04 | 2012-06-04 | Energy regeneration system of frequency converter aging test link |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202603940U CN202564971U (en) | 2012-06-04 | 2012-06-04 | Energy regeneration system of frequency converter aging test link |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202564971U true CN202564971U (en) | 2012-11-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202603940U Expired - Fee Related CN202564971U (en) | 2012-06-04 | 2012-06-04 | Energy regeneration system of frequency converter aging test link |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202564971U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106226632A (en) * | 2016-09-06 | 2016-12-14 | 东莞市冠达自动化设备有限公司 | A kind of motor variable-frequency driver aging testing system and method for testing thereof |
| CN108646113A (en) * | 2018-06-06 | 2018-10-12 | 广东明阳龙源电力电子有限公司 | A kind of high-pressure transducer testing system |
-
2012
- 2012-06-04 CN CN2012202603940U patent/CN202564971U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106226632A (en) * | 2016-09-06 | 2016-12-14 | 东莞市冠达自动化设备有限公司 | A kind of motor variable-frequency driver aging testing system and method for testing thereof |
| CN106226632B (en) * | 2016-09-06 | 2023-10-20 | 东莞市冠达自动化设备有限公司 | Aging test system and method for variable frequency drive of motor |
| CN108646113A (en) * | 2018-06-06 | 2018-10-12 | 广东明阳龙源电力电子有限公司 | A kind of high-pressure transducer testing system |
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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: 20121128 Termination date: 20150604 |
|
| EXPY | Termination of patent right or utility model |