CN204314405U - Frequency converter band carries experimental provision - Google Patents
Frequency converter band carries experimental provision Download PDFInfo
- Publication number
- CN204314405U CN204314405U CN201420845491.5U CN201420845491U CN204314405U CN 204314405 U CN204314405 U CN 204314405U CN 201420845491 U CN201420845491 U CN 201420845491U CN 204314405 U CN204314405 U CN 204314405U
- Authority
- CN
- China
- Prior art keywords
- frequency converter
- motor
- load
- experimental provision
- power
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model discloses a kind of frequency converter band and carry experimental provision, relate to the proving installation technical field of electrical property.Described device comprises three-phase transformer, tested frequency converter, load-side frequency converter, the first motor, the second motor and PLC control cabinet.The power input of described experimental provision connects three-phase alternating-current supply, three-phase alternating-current supply is connected with the power input of tested frequency converter and load-side frequency converter respectively after three-phase transformer, tested frequency converter and load-side frequency converter common DC bus are arranged, the power output end of tested frequency converter is connected with the power input of the first motor, the power output end of load-side frequency converter is connected with the power input of the second motor, and all control and detection signal receive with the corresponding data in PLC control cabinet and control output end is connected.It is large that described experimental provision has load testing capacity, and actual power loss is low, the obvious feature of power savings.
Description
Technical field
The utility model relates to the proving installation technical field of electrical property, and the frequency converter band particularly relating to a kind of power consumption little carries experimental provision.
Background technology
Frequency converter (Variable-frequency Drive, VFD) is application converter technique and microelectric technique, controls the electric control appliance of AC motor by changing motor working power Frequency Patterns.Along with the continuous popularization of power-saving technology, frequency converter is applied on a large scale, and this proposes requirements at the higher level to the commercial production of frequency converter manufacturer.Need to carry out band in the production run of frequency converter and carry test, the complete machine load testing system of current domestic frequency converter is all adopt traditional approach---exciting motor is debugged, and not only power consumption is large, and excitation division divides damage of easily generating heat.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of frequency converter band and carries experimental provision, and it is large that described experimental provision has load testing capacity, and actual power loss is low, the obvious feature of power savings.
For solving the problems of the technologies described above, technical solution adopted in the utility model is: a kind of frequency converter band carries experimental provision, it is characterized in that: described device comprises three-phase transformer, tested frequency converter, load-side frequency converter, first motor, second motor and PLC control cabinet, the power input of described experimental provision connects three-phase alternating-current supply, three-phase alternating-current supply is connected with the power input of tested frequency converter and load-side frequency converter respectively after three-phase transformer, tested frequency converter and load-side frequency converter common DC bus are arranged, the power output end of tested frequency converter is connected with the power input of the first motor, the power output end of load-side frequency converter is connected with the power input of the second motor, the clutch end of described first motor is oppositely arranged with the clutch end of the second motor and is connected by torque-transmitter shaft, the power output end of tested frequency converter is provided with current sensor and voltage sensor, torque sensor, current sensor is connected with the signal input part of PLC control cabinet with voltage sensor, tested frequency converter and load-side frequency converter and PLC control cabinet are bi-directionally connected.
Further technical scheme is: described experimental provision also comprises worktable, and described first motor and the second motor are fixed on described worktable.
Further technical scheme is: described first motor and the second motor are threephase asynchronous.
The beneficial effect adopting technique scheme to produce is: described experimental provision loading section is made up of several groups of threephase asynchronouses, there is load testing capacity large, easy for installation, power can increase to hundreds of kilowatt, each power section of basic covering frequency converter, common bus system is adopted between threephase asynchronous, most of energy that tested frequency conversion consumes is all provided by feedback motor feedback, frequency conversion actual energy consumption only accounts for about 30% of measured power, power savings is obvious, this device also reduces power transformer capacity, reduces enterprise investment.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is theory diagram of the present utility model;
Wherein: 1, three-phase alternating-current supply 2, three-phase transformer 3, tested frequency converter 4, load-side frequency converter 5, first motor 6, second motor 7, worktable 8, PLC control cabinet 9, torque sensor 10, current sensor 11, voltage sensor.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Set forth a lot of detail in the following description so that fully understand the utility model, but the utility model can also adopt other to be different from alternate manner described here to implement, those skilled in the art can when doing similar popularization without prejudice to when the utility model intension, and therefore the utility model is by the restriction of following public specific embodiment.
As shown in Figure 1, the utility model discloses a kind of frequency converter band and carry experimental provision, described device comprises three-phase transformer 2, tested frequency converter 3, load-side frequency converter 4, first motor 5, second motor 6, worktable 7 and PLC control cabinet 8, and described first motor 5 and the second motor 6 are generally threephase asynchronous.
The power input of described experimental provision connects three-phase alternating-current supply 1, three-phase alternating-current supply 1 is connected with the power input of tested frequency converter 3 and load-side frequency converter 4 respectively after three-phase transformer 2, and tested frequency converter 3 and load-side frequency converter 4 common DC bus are arranged.The power output end of tested frequency converter 3 is connected with the power input of the first motor 5, the power output end of load-side frequency converter 4 is connected with the power input of the second motor 6, the clutch end of described first motor 5 is oppositely arranged with the clutch end of the second motor 6 and is connected by torque sensor 9 axle, and described first motor 5 and the second motor 6 are fixed on described worktable 7.
The power output end of tested frequency converter 3 is provided with current sensor 10 and voltage sensor 11, torque sensor 9, current sensor 10 are connected with the signal input part of voltage sensor 11 with PLC control cabinet 8, and tested frequency converter 3 and load-side frequency converter 4 are bi-directionally connected with PLC control cabinet 8.All control and detection signal receive with the corresponding data in PLC control cabinet 8 and control output end is connected.By carrying out start and stop to frequency converter in PLC control cabinet 8, by the adjustment to tested frequency converter frequency, change motor slip, thus adjustment motor current, make frequency converter oepration at full load.
Described experimental provision loading section is made up of several groups of threephase asynchronouses, there is load testing capacity large, easy for installation, power can increase to hundreds of kilowatt, basic each power section of covering frequency converter, common bus system is adopted between threephase asynchronous, most of energy that tested frequency conversion consumes is all provided by feedback motor feedback, and frequency conversion actual energy consumption only accounts for about 30% of measured power, and power savings is obvious, this device also reduces power transformer capacity, reduces enterprise investment.
Claims (3)
1. a frequency converter band carries experimental provision, it is characterized in that: described device comprises three-phase transformer (2), tested frequency converter (3), load-side frequency converter (4), first motor (5), second motor (6) and PLC control cabinet (8), the power input of described experimental provision connects three-phase alternating-current supply (1), three-phase alternating-current supply (1) is connected with the power input of tested frequency converter (3) and load-side frequency converter (4) respectively after three-phase transformer (2), tested frequency converter (3) and load-side frequency converter (4) common DC bus are arranged, the power output end of tested frequency converter (3) is connected with the power input of the first motor (5), the power output end of load-side frequency converter (4) is connected with the power input of the second motor (6), the clutch end of described first motor (5) is oppositely arranged with the clutch end of the second motor (6) and is connected by torque sensor (9) axle, the power output end of tested frequency converter (3) is provided with current sensor (10) and voltage sensor (11), torque sensor (9), current sensor (10) is connected with the signal input part of voltage sensor (11) with PLC control cabinet (8), tested frequency converter (3) and load-side frequency converter (4) are bi-directionally connected with PLC control cabinet (8).
2. frequency converter band according to claim 1 carries experimental provision, it is characterized in that: described experimental provision also comprises worktable (7), and described first motor (5) and the second motor (6) are fixed on described worktable (7).
3. frequency converter band according to claim 1 carries experimental provision, it is characterized in that: described first motor (5) and the second motor (6) are threephase asynchronous.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420845491.5U CN204314405U (en) | 2014-12-26 | 2014-12-26 | Frequency converter band carries experimental provision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420845491.5U CN204314405U (en) | 2014-12-26 | 2014-12-26 | Frequency converter band carries experimental provision |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204314405U true CN204314405U (en) | 2015-05-06 |
Family
ID=53136711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420845491.5U Active CN204314405U (en) | 2014-12-26 | 2014-12-26 | Frequency converter band carries experimental provision |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204314405U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105067925A (en) * | 2015-07-29 | 2015-11-18 | 浙江易控电子科技有限公司 | Energy-recyclable frequency converter testing system, testing method and installation method |
| CN105116256A (en) * | 2015-08-27 | 2015-12-02 | 北京利德华福电气技术有限公司 | Novel high voltage frequency converter self-circulation test system and debugging method |
-
2014
- 2014-12-26 CN CN201420845491.5U patent/CN204314405U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105067925A (en) * | 2015-07-29 | 2015-11-18 | 浙江易控电子科技有限公司 | Energy-recyclable frequency converter testing system, testing method and installation method |
| CN105116256A (en) * | 2015-08-27 | 2015-12-02 | 北京利德华福电气技术有限公司 | Novel high voltage frequency converter self-circulation test system and debugging method |
| CN105116256B (en) * | 2015-08-27 | 2017-10-20 | 北京利德华福电气技术有限公司 | A kind of new high voltage converter self-loopa test system and its adjustment method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202433454U (en) | Frequency converter load testing platform with electric energy feedback function | |
| CN103091587B (en) | Energy-saving inverter test circuit and control method | |
| CN202837504U (en) | AC servo motor test system | |
| CN202815112U (en) | Frequency converter test system | |
| CN202735435U (en) | Frequency converter load test platform | |
| CN202614870U (en) | Frequency converter load test system | |
| CN206946305U (en) | Big work(electric machine controller fan-out capability test and aging equipment | |
| CN204314405U (en) | Frequency converter band carries experimental provision | |
| CN204886200U (en) | Distribution transformer unbalanced three phase current detection compensation arrangement | |
| CN203643585U (en) | Feedback type multiple-DC (direct-current)-source aging circuit | |
| CN204129146U (en) | A kind of three motors are fully loaded with aging testing apparatus to the frequency converter tied up | |
| CN203151134U (en) | High-efficiency energy-recovery charger aging equipment | |
| CN202330583U (en) | Pure inductive load power evaluation system of alternating current/direct current/alternating current traction converter | |
| CN205070861U (en) | Synchronous motor drive control system | |
| CN203883683U (en) | Frequency conversion device provided with PLC controller | |
| CN204119106U (en) | Motor power saving Intelligent management control system | |
| CN105024396A (en) | Energy feedback frequency converter | |
| CN103470520B (en) | Large power power electronic appliance power cabinet volume adjusting apparatus | |
| CN202631649U (en) | Frequency converter test system | |
| CN203313115U (en) | High power vector inversion control device | |
| CN208028411U (en) | Viscous crude medium frequency heating power source switch board | |
| CN203027170U (en) | Low voltage frequency converter with rotating speed tracing start function | |
| CN103166568A (en) | Pulse-width modulation (PWM) alternating current (AC) variable frequency speed regulating master control circuit | |
| CN202084910U (en) | High-voltage frequency conversion device capable of overheating protection | |
| CN207053428U (en) | 220V threephase asynchronous private energy-saving apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |