CN109507588A - A kind of energy-saving electrical machine band load pilot system - Google Patents
A kind of energy-saving electrical machine band load pilot system Download PDFInfo
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- CN109507588A CN109507588A CN201910013893.6A CN201910013893A CN109507588A CN 109507588 A CN109507588 A CN 109507588A CN 201910013893 A CN201910013893 A CN 201910013893A CN 109507588 A CN109507588 A CN 109507588A
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- 238000012544 monitoring process Methods 0.000 claims abstract description 7
- 238000006243 chemical reaction Methods 0.000 claims description 19
- 238000012360 testing method Methods 0.000 claims description 9
- 238000004458 analytical method Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 238000010248 power generation Methods 0.000 abstract description 4
- 238000011161 development Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/34—Testing dynamo-electric machines
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- Control Of Electric Motors In General (AREA)
Abstract
The invention proposes a kind of energy-saving electrical machine bands to carry pilot system, including to dragging motor platform, accompany survey frequency converter, energy back unit and monitoring platform, it includes tested motor M1 that described pair, which is dragged motor platform, accompany examination motor M2, the tested motor M1 with accompany examination motor M2 it is coaxially connected, the accompany survey frequency converter includes the frequency converter V1 being connected with tested motor M1, with the frequency converter V2 for accompanying examination motor M2 to be connected, the tested motor M1 carries out speed control by frequency converter V1, it is described to accompany examination motor M2 by frequency converter V1 driving for torque load control, the output end of the frequency converter V2 is connected with energy back unit, the electric energy for accompanying examination motor M2 to be issued is fed back to tested motor M1 by inverter by the energy back unit, the monitoring platform include with to dragging motor platform phase Electric power generation energy, is directly fed back in power grid using energy back, utilizes again, reach energy-saving effect by integrated console and instrument and meter platform even.
Description
[technical field]
The present invention relates to the technical field of motor load experiment, especially a kind of energy-saving electrical machine band carries pilot system, purport
To realize to carry the band of motor and test, so as to motor after new motor or maintenance to dragging pattern and passing through energy back device
Quality detected.
[background technique]
The development of science and technology proposes increasingly higher demands to motor performance and quality index, Motor Measuring Technology
Development and the development of electric machine industry are closely related.Motor test is to quality of motors and technical performance overall merit
Important link is the important procedure of motor manufacturing and production, and existing motor band carries test platform at present, and load energy is mostly with heat
The other ways such as resistance, water-cooling system are consumed, and load device had not only occupied a large amount of place spaces, but also loss mass energy, because
This proposes that a kind of energy-saving electrical machine band carries pilot system.
[summary of the invention]
The object of the invention is to solve the problems of the prior art, propose that a kind of energy-saving electrical machine band carries pilot system,
Electric power generation energy is directly fed back in power grid using energy back, utilizes again, reaches energy-saving effect.
To achieve the above object, the invention proposes a kind of energy-saving electrical machine bands to carry pilot system, including flat to motor is dragged
Platform, accompany survey frequency converter, energy back unit and monitoring platform, described pair is dragged motor platform to include tested motor M1, accompany examination electricity
Machine M2, the tested motor M1 with accompany examination motor M2 it is coaxially connected, the accompany survey frequency converter includes and tested motor M1 phase
Frequency converter V1 even, speed control is carried out by frequency converter V1 with the frequency converter V2, the tested motor M1 for accompanying examination motor M2 to be connected
System, described to accompany examination motor M2 by frequency converter V1 driving for torque load control, the output end and energy of the frequency converter V2 is anti-
It presents unit to be connected, the electric energy for accompanying examination motor M2 to be issued is fed back to tested motor by inverter by the energy back unit
M1, the monitoring platform include with to the integrated console and instrument and meter platform for dragging motor platform to be connected.
Preferably, described pair is dragged motor platform to include two groups of tested motor M1, accompany examination motor M2, it is described to accompany survey frequency conversion
Device include two groups successively with tested motor M1, accompany examination motor M2 the frequency converter V1, the frequency converter V2 that are connected.
Preferably, be tested motor M1 described in every group, accompany the power of examination motor M2 identical, it is described to accompany examination motor M2 connection
There is the corresponding rotation-speed measuring device of matching.
Preferably, the torque output for accompanying examination motor M2 is adjusted by frequency converter V2 closed-loop control torque mode
Section, the electric energy for accompanying examination motor M2 to be issued are exported through frequency converter V2, are fed back to V1 input terminal, finally by energy back unit
It is transported to tested motor M1.
Preferably, the tested motor M1, accompany examination motor M2 connected motor shaft on torque sensor is installed.
Preferably, the integrated console includes: for the direct and variable frequency starting and power frequency to tested motor M1
The industrial control computer of operation control, tested motor M1 load control；For showing tested motor M1 and accompanying examination motor
The screen display of the real-time running data of M2；With the acquisition for test data, storage, analysis and the high-precision exported are quick
Response simulation amount acquisition module, PLC, printer；The real-time running data includes voltage, power, electric current, power factor, frequency
Rate, vibration, temperature data.
Preferably, the laboratory apparatus of the instrument and meter platform includes: power meter, oscillograph, safety instrument.
Preferably, further include electric control cabinet system, the electric control cabinet system includes: that electric power incoming line cabinet, motor directly initiate
Cabinet, motor frequency conversion starting cabinet, motor frequency conversion control connection cabinet, the motor directly initiate cabinet for 45KW and following motor
At least three circuits should be arranged in cabinet in full voltage starting, meet 45KW respectively, the No Load Start of 15kw and 5.5KW motor and same
When operation demand；Start-stop button is configured on cabinet body, it can start and stop equipment on the spot；The frequency conversion of the motor frequency conversion starting cabinet motor is opened
It is dynamic, meet the variable frequency starting of motor and power frequency operation requirement within 200KW；The motor frequency conversion control connection cabinet adds for motor
During carrying test, drives cabinet and load the energy feedback between cabinet and control.
Beneficial effects of the present invention: the present invention is by dragging motor platform, accompany survey frequency converter, energy back unit and observing and controlling
The cooperation of platform wind is combined using energy back feed device and frequency converter, forms a set of four-quadrant system, when frequency converter slows down,
DC bus-bar voltage is excessively high, and DC bus-bar voltage reaches 800V under conventional situation, and frequency converter starts to report over voltage alarm, and this system is adopted
Electric power generation energy is directly fed back in power grid with energy back, utilizes again, reaches energy-saving effect.
Feature and advantage of the invention will be described in detail by embodiment combination attached drawing.
[Detailed description of the invention]
Fig. 1 is the system principle schematic diagram that a kind of energy-saving electrical machine band of the present invention carries pilot system；
Fig. 2 is the configuration diagram that a kind of energy-saving electrical machine band of the present invention carries pilot system.
[specific embodiment]
Pilot system is carried to a kind of energy-saving electrical machine band of Fig. 2 present invention refering to fig. 1, including is become to dragging motor platform, accompanying to survey
Frequency device, energy back unit and monitoring platform, described pair is dragged motor platform to include tested motor M1, accompany examination motor M2, described
It is tested motor M1 and accompanies examination motor M2 coaxially connected, the accompany survey frequency converter includes the frequency converter being connected with tested motor M1
V1, speed control is carried out by frequency converter V1 with the frequency converter V2, the tested motor M1 for accompanying examination motor M2 to be connected, it is described to accompany examination
By frequency converter V1 driving for torque load control, the output end of the frequency converter V2 is connected motor M2 with energy back unit,
The electric energy for accompanying examination motor M2 to be issued is fed back to tested motor M1, the observing and controlling by inverter by the energy back unit
Platform include with to the integrated console and instrument and meter platform for dragging motor platform to be connected.
Further, motor platform is dragged to include two groups of tested motor M1, accompany examination motor M2 for described pair, it is described to accompany survey frequency conversion
Device include two groups successively with tested motor M1, accompany examination motor M2 the frequency converter V1, the frequency converter V2 that are connected；It is tested described in every group
Motor M1, accompany the power of examination motor M2 identical, it is described that examination motor M2 is accompanied to be connected with the corresponding rotation-speed measuring device of matching, two groups of institutes
The power for stating tested motor M1 is respectively 160KW, 55KW；The torque output for accompanying examination motor M2 is closed by frequency converter V2
Ring control torque mode is adjusted, and the electric energy for accompanying examination motor M2 to be issued is exported through frequency converter V2, passes through energy back list
Member feedback arrives V1 input terminal, is finally transported to tested motor M1；The tested motor M1, the connected electricity for accompanying examination motor M2
Torque sensor is installed on arbor.
Further, the integrated console includes: for the direct and variable frequency starting and power frequency to tested motor M1
The industrial control computer of operation control, tested motor M1 load control；For showing tested motor M1 and accompanying examination motor
The screen display of the real-time running data of M2；With the acquisition for test data, storage, analysis and the high-precision exported are quick
Response simulation amount acquisition module, PLC, printer；The real-time running data includes voltage, power, electric current, power factor, frequency
Rate, vibration, temperature data, the laboratory apparatus of the instrument and meter platform includes: power meter, oscillograph, safety instrument.
It further, further include electric control cabinet system, the electric control cabinet system includes: that electric power incoming line cabinet, motor directly initiate
Cabinet, motor frequency conversion starting cabinet, motor frequency conversion control connection cabinet, the motor directly initiate cabinet for 45KW and following motor
At least three circuits should be arranged in cabinet in full voltage starting, meet 45KW respectively, the No Load Start of 15kw and 5.5KW motor and same
When operation demand；Start-stop button is configured on cabinet body, it can start and stop equipment on the spot；The frequency conversion of the motor frequency conversion starting cabinet motor is opened
It is dynamic, meet the variable frequency starting of motor and power frequency operation requirement within 200KW；The motor frequency conversion control connection cabinet adds for motor
During carrying test, drives cabinet and load the energy feedback between cabinet and control.
The course of work of the present invention:
A kind of energy-saving electrical machine band of the present invention carries pilot system, and using bi-motor to mode is dragged, verification motor performance is related
Data target carries out the actual performance index of effective analyzing evaluation motor, and system is controlled using frequency conversion drive, frequency conversion software
Control uses vector controlled, and loading end uses speed closed loop vector controlled, carries out torque and gives, to tested motor load, school
The relevant technical indicator of tested motor after loading is tested, the electric energy for accompanying examination motor to be issued feeds back to subject motor by inverter,
So circulation, recycling, reduces the energy that system is drawn from power grid.Wherein, system uses energy back feed device and frequency conversion
Device combination, forms a set of four-quadrant system, it is therefore an objective to which, when frequency converter slows down, DC bus-bar voltage is excessively high, under conventional situation, directly
Stream busbar voltage reaches 800V, and frequency converter starts to report over voltage alarm, and this system can be by electric power generation energy using energy back
It is directly fed back in power grid, utilizes again, to reach energy-saving effect.
Above-described embodiment is the description of the invention, is not limitation of the invention, after any pair of simple transformation of the present invention
Scheme all belong to the scope of protection of the present invention.
Claims (8)
1. a kind of energy-saving electrical machine band carries pilot system, it is characterised in that: including to dragging motor platform, accompany survey frequency converter, energy
Feedback unit and monitoring platform, described pair is dragged motor platform to include tested motor M1, accompany examination motor M2, the tested motor
M1 with accompany examination motor M2 coaxially connected, the accompany survey frequency converter includes the frequency converter V1 being connected with tested motor M1, and accompanies examination
Motor M2 connected frequency converter V2, the tested motor M1 carries out speed control by frequency converter V1, it is described accompany examination motor M2 by
Frequency converter V1 driving is connected for torque load control, the output end of the frequency converter V2 with energy back unit, the energy
The electric energy for accompanying examination motor M2 to be issued is fed back to tested motor M1 by inverter by feedback unit, and the monitoring platform includes
With to the integrated console and instrument and meter platform for dragging motor platform to be connected.
2. a kind of energy-saving electrical machine band as described in claim 1 carries pilot system, it is characterised in that: described pair is dragged motor platform
Including two groups of tested motor M1, accompany examination motor M2, the accompany survey frequency converter include two groups successively with tested motor M1, accompany examination
Motor M2 connected frequency converter V1, frequency converter V2.
3. a kind of energy-saving electrical machine band as claimed in claim 2 carries pilot system, it is characterised in that: be tested electricity described in every group
Machine M1, accompany the power of examination motor M2 identical, it is described that examination motor M2 is accompanied to be connected with the corresponding rotation-speed measuring device of matching.
4. a kind of energy-saving electrical machine band as described in claim 1 carries pilot system, it is characterised in that: described to accompany examination motor M2's
Torque output is adjusted by frequency converter V2 closed-loop control torque mode, and the electric energy for accompanying examination motor M2 to be issued is through frequency conversion
Device V2 output, is fed back to V1 input terminal by energy back unit, is finally transported to tested motor M1.
5. a kind of energy-saving electrical machine band according to any one of claims 1-4 carries pilot system, it is characterised in that: described tested
Examination motor M1, accompany examination motor M2 connected motor shaft on torque sensor is installed.
6. a kind of energy-saving electrical machine band as described in claim 1 carries pilot system, it is characterised in that: the integrated console packet
It includes: the work for direct and variable frequency starting and power frequency operation control, tested motor M1 load control to tested motor M1
Industry controls computer；For show tested motor M1 and accompany examination motor M2 real-time running data screen display；With with
In the acquisition of test data, storage, the high-precision quick response analogue collection module of analysis and output, PLC, printer；Institute
Stating real-time running data includes voltage, power, electric current, power factor, frequency, vibration, temperature data.
7. a kind of energy-saving electrical machine band as described in claim 1 carries pilot system, it is characterised in that: the instrument and meter platform
Laboratory apparatus includes: power meter, oscillograph, safety instrument.
8. a kind of energy-saving electrical machine band as described in claim 1 carries pilot system, it is characterised in that: further include power control cabinet system
System, the electric control cabinet system includes: electric power incoming line cabinet, motor directly initiates cabinet, motor frequency conversion starts cabinet, motor frequency conversion control connects
It receives at the counter, the motor directly initiates full voltage starting of the cabinet for 45KW and following motor, at least three circuits should be set in cabinet,
Meet 45KW respectively, the No Load Start of 15kw and 5.5KW motor and simultaneously operation demand configure start-stop button on cabinet body；Institute
The variable frequency starting for stating motor frequency conversion starting cabinet motor, meets the variable frequency starting of motor and power frequency operation requirement within 200KW；It is described
Motor frequency conversion control connection cabinet is for during motor load test, driving cabinet and loading the energy feedback between cabinet and control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910013893.6A CN109507588A (en) | 2019-01-08 | 2019-01-08 | A kind of energy-saving electrical machine band load pilot system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910013893.6A CN109507588A (en) | 2019-01-08 | 2019-01-08 | A kind of energy-saving electrical machine band load pilot system |
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| CN109507588A true CN109507588A (en) | 2019-03-22 |
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| CN201910013893.6A Pending CN109507588A (en) | 2019-01-08 | 2019-01-08 | A kind of energy-saving electrical machine band load pilot system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111458636A (en) * | 2020-04-03 | 2020-07-28 | 中国航发哈尔滨东安发动机有限公司 | High-speed permanent magnet motor loading device |
| CN112526343A (en) * | 2021-02-09 | 2021-03-19 | 江苏扬子检验认证有限公司 | Rapid energy efficiency detection device and detection method for permanent magnet synchronous motor |
| CN112649729A (en) * | 2020-11-26 | 2021-04-13 | 天地（常州）自动化股份有限公司 | Test system and test method for comprehensively evaluating control performance of frequency converter |
| CN114114013A (en) * | 2021-12-03 | 2022-03-01 | 上海煤科检测技术有限公司 | Feedback small-sized motor test platform |
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| CN111458636A (en) * | 2020-04-03 | 2020-07-28 | 中国航发哈尔滨东安发动机有限公司 | High-speed permanent magnet motor loading device |
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| CN112526343A (en) * | 2021-02-09 | 2021-03-19 | 江苏扬子检验认证有限公司 | Rapid energy efficiency detection device and detection method for permanent magnet synchronous motor |
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| CN114114013A (en) * | 2021-12-03 | 2022-03-01 | 上海煤科检测技术有限公司 | Feedback small-sized motor test platform |
| CN114114013B (en) * | 2021-12-03 | 2024-04-09 | 上海煤科检测技术有限公司 | Feedback small motor test platform |
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