CN205749736U - Converter under different electric pressure dissimilar motor environment is to dragging charger - Google Patents
Converter under different electric pressure dissimilar motor environment is to dragging charger Download PDFInfo
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- CN205749736U CN205749736U CN201620561287.XU CN201620561287U CN205749736U CN 205749736 U CN205749736 U CN 205749736U CN 201620561287 U CN201620561287 U CN 201620561287U CN 205749736 U CN205749736 U CN 205749736U
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Abstract
The utility model discloses the converter under a kind of different electric pressure dissimilar motor environment to dragging charger, the drive shaft treating measured motor and the drive shaft accompanying measured motor are docked by torque meter；The outfan of motor driver to be measured connects treats measured motor；The outfan accompanying measured motor driver connects accompanies measured motor；The PN port of motor driver to be measured is by dragging being connected holder function starting relay with the PN port accompanying measured motor driver in platform courses cabinet；The input accompanying measured motor driver connects dragging test platform to accompany survey machine to enter electrical relay；Motor driver to be measured input termination enters electrical relay to the machine to be measured dragging test platform.This utility model can realize different grades of converter and motor, different electric pressures same to loading on torr platform, it is not necessary to set up overlap torr platform or replacing motor more, and embodiment is simple and convenient, cost-effective.
Description
Technical field
This utility model belongs to field of electrical control, relates to Frequency Converter Control technology, is specifically related to a kind of different voltages etc.
Converter under the dissimilar motor environment of level is to dragging charger.
Background technology
At existing converter to dragging in Loading Control technology, in order to realize energy recycling, typically it is selection phase
With converter and the motor of electric pressure, different electric pressures need to set up many sets to dragging platform or devoting a tremendous amount of time more
Change motor, cause the waste of resource.
Utility model content
For the deficiencies in the prior art, the utility model discloses under a kind of different electric pressure dissimilar motor environment
Converter to dragging charger.
The technical solution of the utility model is as follows:
Converter under a kind of different electric pressure dissimilar motor environment is to dragging charger, it is characterised in that: bag
Include treat measured motor, accompany measured motor, motor driver to be measured, accompany measured motor driver, three-phase regulator, torque meter and to torr survey
Examination platform；
Treat measured motor and accompany measured motor to be fixed on the base to torr test platform, treat the drive shaft of measured motor and accompany survey electricity
The drive shaft of machine is docked by torque meter；The outfan of motor driver to be measured connects treats measured motor；Accompany measured motor driver
Outfan connects accompanies measured motor；Described accompany measured motor within be also equipped with encoder, encoder connect accompany measured motor driver it
Interior PG card；
The 220V voltage end of torr test platform switch board is connected civil power, and 380V voltage end connects the output of three-phase regulator
End；The PN port of motor driver to be measured by drag in platform courses cabinet to holder function starting relay and electric fuse with accompany
The PN port of measured motor driver is connected；The input accompanying measured motor driver connects dragging test platform to accompany survey machine to enter electricity
Relay；Motor driver to be measured input termination enters electrical relay to the machine to be measured dragging test platform.
Its further technical scheme is: described in treat the servomotor that measured motor is 220V, 15HP；Described the measured motor is accompanied to be
The asynchronous machine of 380V, 60HP；Described motor driver to be measured is the servo-driver of 380V, 50HP；Described measured motor is accompanied to drive
Dynamic device is the converter of 220V, 60HP.
Its further technical scheme is: accompany survey machine to enter the normally opened contact of electrical relay, machine to be measured enters the normal of electrical relay
Open contact to be all serially connected in the control loop to holder function starting relay.
Advantageous Effects of the present utility model is:
This utility model can realize different grades of converter and motor, different electric pressures same flat to torr
Load on platform, it is not necessary to set up many sets and to torr platform or change motor, and embodiment is simple and convenient, cost-effective.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present utility model.
Fig. 2 is to dragging test platform switch board inner control circuit electrical structure diagram.
Detailed description of the invention
Fig. 1 is schematic diagram of the present utility model.As it can be seen, this utility model include treating measured motor M1, accompany measured motor M2,
Motor driver INV1 to be measured, accompany measured motor driver INV2, three-phase regulator, torque meter and to torr test platform.At this
In embodiment, treat the servomotor that measured motor M1 is 220V, 15HP；The asynchronous machine accompanying measured motor M2 to be 380V, 60HP；To be measured
Motor driver INV1 is the servo-driver of 380V, 50HP；The converter accompanying measured motor driver INV2 to be 220V, 60HP.
Treat measured motor M1 and accompany measured motor M2 be fixed on to torr test platform base on, treat measured motor M1 drive shaft and
The drive shaft accompanying measured motor M2 is docked by torque meter.The outfan of motor driver INV1 to be measured connects treats measured motor M1.Accompany
The outfan of measured motor driver INV2 connects accompanies measured motor M2.Being also equipped with encoder within accompanying measured motor M2, encoder is even
Connect the PG card accompanied within measured motor driver INV2.In the PN port of motor driver INV1 to be measured passes through dragging platform courses cabinet
Holder function starting relay KM3 and electric fuse L1, L2 are connected with the PN port accompanying measured motor driver INV2.Accompany survey electricity
The input of machine driver INV2 connects dragging test platform to accompany survey machine to enter electrical relay KM2.Motor driver INV1 to be measured
Input termination enters electrical relay KM1 to the machine to be measured dragging test platform.
Fig. 2 is to dragging test platform switch board inner control circuit electrical structure diagram.As in figure 2 it is shown, accompany survey machine to enter electricity relay
The normally opened contact of device KM2, machine to be measured enter the normally opened contact of electrical relay KM1 and are all serially connected in holder function starting relay KM3's
Control in loop, in order to ensure until measured motor M1 or accompany measured motor M2 to break down and during power-off, can stop in time torr merit
Can, protection motor and motor driver.
Operation principle of the present utility model is:
1), circuit is connected according to above-mentioned method.
2), check that each device is without exception in switch board, after regulation three-phase regulator output voltage to 0V, switch board 220V electricity
Pressing electricity, 380V voltage powers on, then regulates three-phase regulator output voltage to 240V, is respectively closed relay K M1 to electricity to be measured
Machine driver INV1 powers on, and closing relay KM2 is accompanied measured motor driver INV2 to power on, and checks motor driver INV1 to be measured
With accompany measured motor drive INV2 DC bus-bar voltage, without exception after be closed again holder function starting relay KM3, to dragging function
Enable.
3), arrange that to accompany measured motor driver INV2 be belt sensor vector controlled (direct torque) pattern, PG is correctly set
The back coupling parameter of card, and arrange according to the electric parameter accompanying measured motor M2 and accompany measured motor driver INV2 parameter accordingly, and set
Putting its maximum output frequency is 28.9Hz, and maximum output voltage is 220V, arranges also according to the electric parameter treating measured motor M1
Corresponding motor driver INV1 parameter to be measured, and arrange its output frequency instruction the upper limit be 57.9%.
4), measure constant speed when loading, accompany the measured motor driver INV2 torque instruction to be by the terminal board of switch board is given
0, first start and accompany measured motor driver INV2, restart motor driver INV1 to be measured, after velocity-stabilization, be gradually increased and accompany survey electricity
Machine driver INV2 torque instruction, until it reaches motor driver INV1 nominal torque to be measured；When measuring band load startup, setting is accompanied
Measured motor driver INV2 positive torque speed is limited to 0, is given by terminal board and accompanies measured motor driver INV2 to need measurement
Torque value, first starts and accompanies measured motor driver INV2, restart motor driver INV1 to be measured, observe motor driver to be measured
INV1 starting state.
Above-described is only preferred implementation of the present utility model, and this utility model is not limited to above example.Can
To understand, those skilled in the art directly derive or associate on the premise of without departing from spirit of the present utility model and design
Oher improvements and changes, within being all considered as being included in protection domain of the present utility model.
Claims (3)
1. the converter under a different electric pressures dissimilar motor environment is to dragging charger, it is characterised in that: include
Treat measured motor (M1), accompany measured motor (M2), motor driver to be measured (INV1), accompany measured motor driver (INV2), three phase voltage regulating
Device, torque meter and to torr test platform；
Treat measured motor (M1) and accompany measured motor (M2) to be fixed on the base to torr test platform, treating the drive shaft of measured motor (M1)
Docked by torque meter with the drive shaft accompanying measured motor (M2)；The outfan of motor driver to be measured (INV1) connects treats measured motor
(M1)；The outfan accompanying measured motor driver (INV2) connects accompanies measured motor (M2)；Described accompany measured motor (M2) within also install
Encoder, encoder connection is had to accompany the PG card within measured motor driver (INV2)；
The 220V voltage end of torr test platform switch board is connected civil power, and 380V voltage end connects the outfan of three-phase regulator；
The PN port of motor driver to be measured (INV1) by drag in platform courses cabinet to holder function starting relay (KM3) and protect
Danger silk (L1, L2) is connected with the PN port accompanying measured motor driver (INV2)；Accompany the input of measured motor driver (INV2)
Connect dragging test platform to accompany survey machine to enter electrical relay (KM2)；Motor driver to be measured (INV1) input termination is to dragging test
The machine to be measured of platform enters electrical relay (KM1).
2. the converter under different electric pressure dissimilar motor environment as claimed in claim 1 is to dragging charger, its
Be characterised by: described in treat that measured motor (M1) is the servomotor of 220V, 15HP；It is described that to accompany measured motor (M2) be 380V, 60HP
Asynchronous machine；Described motor driver to be measured (INV1) is the servo-driver of 380V, 50HP；Described accompany measured motor driver
(INV2) it is the converter of 220V, 60HP.
3. the converter under different electric pressure dissimilar motor environment as claimed in claim 1 is to dragging charger, its
It is characterised by: accompany survey machine to enter the normally opened contact of electrical relay (KM2), machine to be measured enters the normally opened contact of electrical relay (KM1) and all goes here and there
It is connected in the control loop to holder function starting relay (KM3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620561287.XU CN205749736U (en) | 2016-06-13 | 2016-06-13 | Converter under different electric pressure dissimilar motor environment is to dragging charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620561287.XU CN205749736U (en) | 2016-06-13 | 2016-06-13 | Converter under different electric pressure dissimilar motor environment is to dragging charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205749736U true CN205749736U (en) | 2016-11-30 |
Family
ID=57359901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620561287.XU Active CN205749736U (en) | 2016-06-13 | 2016-06-13 | Converter under different electric pressure dissimilar motor environment is to dragging charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205749736U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108333508A (en) * | 2017-12-22 | 2018-07-27 | 苏州恒美电子科技股份有限公司 | Power control system for electromechanical testing |
| CN114838855A (en) * | 2022-05-10 | 2022-08-02 | 上海电机系统节能工程技术研究中心有限公司 | Dynamometer device and system for motor drag test |
-
2016
- 2016-06-13 CN CN201620561287.XU patent/CN205749736U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108333508A (en) * | 2017-12-22 | 2018-07-27 | 苏州恒美电子科技股份有限公司 | Power control system for electromechanical testing |
| CN114838855A (en) * | 2022-05-10 | 2022-08-02 | 上海电机系统节能工程技术研究中心有限公司 | Dynamometer device and system for motor drag test |
| CN114838855B (en) * | 2022-05-10 | 2024-03-01 | 上海电机系统节能工程技术研究中心有限公司 | Dynamometer device and system for motor opposite-dragging test |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |