CN106772045A - A kind of micro-capacitance sensor simulates variable power asynchronous machine load test platform - Google Patents
A kind of micro-capacitance sensor simulates variable power asynchronous machine load test platform Download PDFInfo
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- CN106772045A CN106772045A CN201611246142.1A CN201611246142A CN106772045A CN 106772045 A CN106772045 A CN 106772045A CN 201611246142 A CN201611246142 A CN 201611246142A CN 106772045 A CN106772045 A CN 106772045A
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- capacitance sensor
- asynchronous machine
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- 238000012360 testing method Methods 0.000 title claims abstract description 20
- 230000001360 synchronised effect Effects 0.000 claims abstract description 11
- 239000003999 initiator Substances 0.000 claims abstract description 9
- 230000008878 coupling Effects 0.000 claims abstract description 5
- 238000010168 coupling process Methods 0.000 claims abstract description 5
- 238000005859 coupling reaction Methods 0.000 claims abstract description 5
- 235000001674 Agaricus brunnescens Nutrition 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
- 238000004088 simulation Methods 0.000 abstract description 8
- 238000010977 unit operation Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 8
- 230000009471 action Effects 0.000 description 5
- 230000005611 electricity Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 3
- 230000001052 transient effect Effects 0.000 description 3
- 230000036461 convulsion Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 244000103635 Lyophyllum ulmarium Species 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- G05B19/058—Safety, monitoring
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/10—Plc systems
- G05B2219/16—Plc to applications
- G05B2219/163—Domotique, domestic, home control, automation, smart, intelligent house
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Control Of Ac Motors In General (AREA)
- Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)
Abstract
The present invention proposes a kind of micro-capacitance sensor simulation variable power asynchronous machine load test platform, belongs to technical field of motors, including：Motor to dragging the resistor box of platform, control cabinet and adjustable electric resistance, wherein, described motor includes to dragging platform：Asynchronous motor, synchronous generator and shaft coupling, described control cabinet include：PLC, touch-screen, dragging motor soft initiator and electric energy quality test instrument；On the basis of the zero load of present invention simulation asynchronous machine, load running, the size of bearing power is set by PLC；Simple structure, stability, good reliability, it is easy to use, there is no unit operation sequence numerous and diverse like that, can be with zero-turn square (zero-turn speed) soft start, impact of the unit starting like that to power network is completely avoid, only loading operation need to just be solved by the regulation for controlling touch screen and carrying out resistance, using extremely convenient；It can keep high stability in whole rotating speed (or even under zero-turn speed) and torque range.
Description
Technical field
The invention belongs to technical field of motors, and in particular to a kind of micro-capacitance sensor simulates variable power asynchronous machine load test
Platform.
Background technology
Micro-capacitance sensor increased the flexible of grid as new electric network composition on the basis of conventional electric power network
Property.In micro-capacitance sensor and off-grid operation, asynchronous machine is used as a kind of power network conventional load.Scale and power accounting are larger.In order to
Influence of the research asynchronous machine load for transient process in micro-capacitance sensor and off-grid operation state and seamless switching connection procedure.It is special
This load experiment device is not have developed.Wherein important purpose is that, in order to study, one is pattern switching mistake in micro-capacitance sensor and off-network
Cheng Zhong, voltage and frequency influence of the excitation that asynchronous machine is idle for micro-capacitance sensor；Two be in micro-capacitance sensor asynchronous machine load for
The system energy feedback problem of micro-capacitance sensor.
The content of the invention
In view of the shortcomings of the prior art, the present invention proposes a kind of micro-capacitance sensor simulation variable power asynchronous machine load test
Platform, simulates the electromagnetic transient during threephase asynchronous machine is supported on micro-capacitance sensor and off-network handoff procedure, includes asynchronous
Startup, operation and stopped process during motor actual motion when zero load, load, can exactly reflect the operation of actual whole motor
Influence of the process for the transient process of micro-capacitance sensor；And with excellent electric motor protecting function, and by adding soft opening device, mistake
The protection to electric system is realized in pressure protection.
A kind of micro-capacitance sensor simulates variable power asynchronous machine load test platform, including：Motor to drag platform, control cabinet and
The resistor box of adjustable electric resistance, wherein, described motor includes to dragging platform：Asynchronous motor, synchronous generator and shaft coupling,
Described control cabinet includes：PLC, touch-screen, dragging motor soft initiator and electric energy quality test instrument；
Described PLC is connected by communication interface with touch-screen, multiple output ends of PLC respectively with dragging motor soft start
The input of device is connected with the input of resistor box, and electric energy quality test instrument is connected with switch board main circuit, measures respectively
Voltage and current signal；
The output end of described dragging motor soft initiator connects the input of asynchronous motor, and asynchronous motor is by connection
Axle device connects synchronous generator, the output end connection resistor box of synchronous generator.
The device also includes security system, including：Theft-resistant link chain latching relay, mushroom head emergency stop switch, PLC are seen
Door dog and power distribution.
Described control cabinet is additionally provided with switch, contactor, relay and low-voltage electrical apparatus.
Described resistor box, including multiple resistance, according to actual power detection demand, resistance are accessed by key combination,
Discharge power is set at intervals of 1kW.
Advantage of the present invention：
The present invention proposes a kind of micro-capacitance sensor simulation variable power asynchronous machine load test platform, and simulation asynchronous machine is empty
On the basis of load, load running, the size of bearing power is set by PLC；Simple structure, stability, good reliability, user
Just, there is no unit operation sequence numerous and diverse like that, can be with zero-turn square (zero-turn speed) soft start, it is entirely avoided unit starting is such
Impact to power network, only need to just solve loading operation, using extremely convenient by the regulation for controlling touch screen and carrying out resistance.It can
High stability is kept with whole rotating speed (or even under zero-turn speed) and torque range.
Brief description of the drawings
Fig. 1 illustrates for the micro-capacitance sensor simulation variable power asynchronous machine load test platform structure of an embodiment of the present invention
Figure；
Fig. 2 is a kind of micro-capacitance sensor simulation variable power asynchronous machine load test platform circuitry figure of the invention.
Specific embodiment
An embodiment of the present invention is described further below in conjunction with the accompanying drawings.
In the embodiment of the present invention, as shown in figure 1, micro-capacitance sensor simulation variable power asynchronous machine load test platform, motor
Resistor box to dragging platform, control cabinet and adjustable electric resistance, described motor includes to dragging platform：Asynchronous motor, synchronous hair
Motor and shaft coupling, described control cabinet include：PLC, touch-screen, dragging motor soft initiator and electric energy quality test
Instrument；
In the embodiment of the present invention, dragging motor soft initiator uses JJ1000 models, for starting Squirrel Cage Asynchronous Motors,
Can limiting starting current, reduced-voltage starting；Reduce impact of the starting current for power network；The vibrations of reduction equipment and noise, extension
The machine driving life-span；
In the embodiment of the present invention, asynchronous motor uses Y2-180M-2 type dragging motors, for dragging 20kW adjustable negatives
Carry；Adding soft starting device can reduce frequent starting for rush of current；After starting completely, after soft start bypass, can carry out micro-
Netcom's electricity, power-off and the simultaneously threephase asynchronous machine feedback electric energy experiment of off-network switching；
In the embodiment of the present invention, synchronous generator uses Synchronous generator, and the steady point of performance, reliable maintenance is few；
In the embodiment of the present invention, resistor box includes multiple electric resistance of stainless compositions.The power difference of resistance under rated voltage
It is 1kW, 2kW, 2kW, 5kW, 10kW.Any power of 1~20kW can be realized by different combinations, minimum resolution is 1kW；
In the embodiment of the present invention, control cabinet is equipped with：Switch, contactor, relay, low-voltage electrical apparatus, cabinet heater and photograph
It is bright；Panel is set：Instrument, switch, button, indicator lamp, scram button；
In the embodiment of the present invention, PLC uses Siemens's S7-1200 series of PLC, and the startup for dragging motor stops control,
Using soft starting device by electric motor starting to rated speed；Load rating power is adjusted, and load work(is realized using controllable resistor case
The adjustment of rate；
In the embodiment of the present invention, main circuit power is three-phase 380V alternating currents, micro-capacitance sensor is taken from, for driving asynchronous electricity
Machine；The load of asynchronous machine is determined by the load resistance of synchronous motor；The power supply that controls of control cabinet is 220V alternating currents,
Power distribution cabinet is taken from, is that control system and UPS power；PLC and control loop carry out power taking by UPS, in micro-capacitance sensor power down
During, can be continual and steady be operated；
In the embodiment of the present invention, described PLC is connected by communication interface with touch-screen, multiple output ends difference of PLC
It is connected with the input of dragging motor soft initiator and the input of resistor box, quality of power supply measuring instrumentss and the main electricity of switch board
Road connects, respectively measurement measurement voltage and current signal；As shown in Fig. 2 for power-adjustable load motor of the present invention to dragging experiment
The circuit theory diagrams of platform；
In the embodiment of the present invention, the device also includes security system, including：Theft-resistant link chain latching relay, mushroom head jerk
Switch, PLC house dog and power distribution；Security system is together in series the link for constituting by element, safety system
System independent control is not constrained by unit control system, and when unit jerk is pressed and is activated, relay will cut off theft-resistant link chain self-locking
Relay, now unit main force power supply be cut off, it is necessary to operating personnel reset；Unit safety main function of system：Ensure system
System it is in a safe condition, will not because foreseeable failure and caused by unit damage；Security system action unit enters emergency shutdown
Program, emergency stopping procedures triggering dragging simulated machine stops, and electricity generation system carries out brake application stoping；
In the embodiment of the present invention, security system is classification, is generally divided into 2 ranks：One-level security system and two grades of peaces
Total system；
A. secondary safety system
Secondary safety system acting (i.e. theft-resistant link chain latching relay action triggers secondary safety system) triggers quick shutdown
Control program；Secondary safety system includes overheat, power network overvoltage and under-voltage protection；
B. one-level security system
One-level security system action (i.e. mushroom head scram button action triggers one-level security system) triggering emergency shutdown journey
Sequence；Function：One-level security system action unit enters emergency stopping procedures.
Claims (4)
1. a kind of micro-capacitance sensor simulates variable power asynchronous machine load test platform, it is characterised in that including：Motor is flat to dragging
The resistor box of platform, control cabinet and adjustable electric resistance, wherein, described motor includes to dragging platform：Asynchronous motor, synchronous generator
Machine and shaft coupling, described control cabinet include：PLC, touch-screen, dragging motor soft initiator and electric energy quality test instrument
Table；
Described PLC is connected by communication interface with touch-screen, multiple output ends of PLC respectively with dragging motor soft initiator
Input is connected with the input of resistor box, and electric energy quality test instrument is connected with switch board main circuit, and voltage is measured respectively
And current signal；
The output end of described dragging motor soft initiator connects the input of asynchronous motor, and asynchronous motor passes through shaft coupling
Mechanically connect synchronous generator, the output end connection resistor box of synchronous generator.
2. micro-capacitance sensor according to claim 1 simulates variable power asynchronous machine load test platform, it is characterised in that should
Device also includes security system, including：Theft-resistant link chain latching relay, mushroom head emergency stop switch, PLC house dog and distribution
Power supply.
3. micro-capacitance sensor according to claim 1 simulates variable power asynchronous machine load test platform, it is characterised in that institute
The control cabinet stated is additionally provided with switch, contactor, relay and low-voltage electrical apparatus.
4. micro-capacitance sensor according to claim 1 simulates variable power asynchronous machine load test platform, it is characterised in that institute
The resistor box stated, including multiple resistance, according to actual power detection demand, resistance are accessed by key combination, set electric discharge work(
Rate is at intervals of 1kW.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611246142.1A CN106772045B (en) | 2016-12-29 | 2016-12-29 | Micro-grid simulation variable-power asynchronous motor load experiment platform |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611246142.1A CN106772045B (en) | 2016-12-29 | 2016-12-29 | Micro-grid simulation variable-power asynchronous motor load experiment platform |
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| CN106772045A true CN106772045A (en) | 2017-05-31 |
| CN106772045B CN106772045B (en) | 2020-04-28 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107390071A (en) * | 2017-08-21 | 2017-11-24 | 上海交通大学 | The simulation system of current-responsive type three-phase permanent magnet synchronous motor |
| CN107645253A (en) * | 2017-10-23 | 2018-01-30 | 上海交通大学 | The three-phase simulation device of current-responsive type permagnetic synchronous motor and its drive system |
| CN108919115A (en) * | 2018-05-15 | 2018-11-30 | 中国航发湖南动力机械研究所 | adjustable resistance load, loading system and loading method |
| CN109581217A (en) * | 2017-09-28 | 2019-04-05 | 株洲变流技术国家工程研究中心有限公司 | A kind of pilot system of permanent magnet coupling speed regulator |
| CN110223579A (en) * | 2019-06-26 | 2019-09-10 | 商飞信息科技（上海）有限公司 | One kind to drag DC servo motor control simulated teaching platform |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107390071A (en) * | 2017-08-21 | 2017-11-24 | 上海交通大学 | The simulation system of current-responsive type three-phase permanent magnet synchronous motor |
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| CN110223579A (en) * | 2019-06-26 | 2019-09-10 | 商飞信息科技（上海）有限公司 | One kind to drag DC servo motor control simulated teaching platform |
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Inventor after: Zhang Fei Inventor after: Wang Jinming Inventor after: Li Size Inventor after: Liu Piliang Inventor after: Ren Xiaoying Inventor before: Zhang Fei Inventor before: Liu Piliang Inventor before: Li Size Inventor before: Ren Xiaoying Inventor before: Wang Jinming |
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Effective date of registration: 20240112 Address after: Room 207, Zone A, Experimental Building 2, Inner Mongolia University of Science and Technology, No. 7 Alding Street, Kundulun District, Baotou City, Inner Mongolia Autonomous Region, 014010 Patentee after: Inner Mongolia Erqi Technology Co.,Ltd. Address before: 014010 No. 7 Arden street, Baotou, the Inner Mongolia Autonomous Region Patentee before: INNER MONGOLIA University OF SCIENCE AND TECHNOLOGY |