CN106953564A - A kind of chopper speed regulating device with complementary energy feedback function - Google Patents
A kind of chopper speed regulating device with complementary energy feedback function Download PDFInfo
- Publication number
- CN106953564A CN106953564A CN201710238126.6A CN201710238126A CN106953564A CN 106953564 A CN106953564 A CN 106953564A CN 201710238126 A CN201710238126 A CN 201710238126A CN 106953564 A CN106953564 A CN 106953564A
- Authority
- CN
- China
- Prior art keywords
- circuit module
- regulating device
- speed regulating
- chopper
- chopper speed
- 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.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
- H02P9/44—Control of frequency and voltage in predetermined relation, e.g. constant ratio
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P1/00—Arrangements for starting electric motors or dynamo-electric converters
- H02P1/16—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters
- H02P1/46—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters for starting an individual synchronous motor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
- H02P9/48—Arrangements for obtaining a constant output value at varying speed of the generator, e.g. on vehicle
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P2101/00—Special adaptation of control arrangements for generators
- H02P2101/15—Special adaptation of control arrangements for generators for wind-driven turbines
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P2103/00—Controlling arrangements characterised by the type of generator
- H02P2103/20—Controlling arrangements characterised by the type of generator of the synchronous type
Abstract
A kind of chopper speed regulating device with complementary energy feedback function, belong to electrical equipment technical field, it is made up of in structure epicyclic train, magneto alternator, chopper speed regulating device, current detection controller and host computer, the width of output waveform, which is controlled, by changing the ON time of on-off circuit controls the voltage or electric current of direct current output, compact conformation is reasonable, operation principle is clear, has the advantages that speed efficiency height, low cost, power factor (PF) height, harmonic component are small.
Description
Technical field
The invention belongs to electrical equipment technical field, it is related to a kind of electric power arrangements for speed regulation, particularly relates to a kind of tool
There is the chopper speed regulating device of complementary energy feedback function.
Background technology
The electric power resource critical shortage of China, in order to build an energy-saving country, it is necessary to develop novel energy-conserving tune
Fast technology.At present, by it is a kind of by NGW planetary mechanisms, magneto alternator and inversion grid connection circuit constitute it is high-power
Pot motor permanent magnet coupling stepless speed-regulating device, the device can overcome that original magnetic coupling eddy-current loss is big, conductor
The energy waste situation that rotor heating amount is big and causes, while the vortex heat energy in magnetic coupling can be fed back to power network,
Realization is increased income and decreased expenditure.In this device, it then follows the principle of the conservation of energy, the grid-connected wattful power that can be generated electricity by regulator generator
Rate realizes the regulation of load speed.Therefore, a kind of arrangements for speed regulation suitable for this novel energy-conserving governing system to be designed.
But in the industries such as current, domestic petrochemical industry, electric power, metallurgy, papermaking, building materials, the centrifugation of its high-power and high-speed
The mode of speed regulation that blower fan and centrifugal pump are used is frequency control mostly.In view of variable-frequency governor institute in power plant production run
The serious uncertainty of produced problem, especially frequency conversion equipment failure, brings very big hidden danger to enterprise's production, directly affects
To the continuity, stability and reliability of production run;Larger economic loss is also brought to enterprise simultaneously, this loss is led to
Normally due to when electrical equipment breaks down, promoting load load shedding or processing to cause to shut down not in time.Therefore, in high-power height
On the basis of rotating speed motor is studied with permanent magnet coupling stepless speed-regulating device, work out a kind of copped wave with complementary energy feedback function and adjust
Speed variator is particularly important.
The content of the invention
The purpose of the present invention is to use frequency control to exist for above-mentioned high-power and high-speed centrifugal blower and centrifugal pump
Potential safety hazard, influences production run;And high-power and high-speed motor lacks the tune of adaptability with permanent magnet coupling continuous speed regulation system
Speed variator, proposes a kind of chopper speed regulating device with complementary energy feedback function, achievable stepless speed regulation to load, complementary energy feedback
The soft start of power network and system.
The technical scheme is that:A kind of chopper speed regulating device with complementary energy feedback function, including motor, planet
Gear train and magneto alternator, the output shaft of the epicyclic train connect magneto alternator rotor and negative respectively
Carry;It is characterized in that:Described device is also made up of chopper speed regulating device, current detection controller and host computer;The permanent magnetism
The stator of synchronous generator is connected with the chopper speed regulating device, and the chopper speed regulating device is by rectification circuit module, copped wave electricity
Road module and inversion grid connection circuit module composition, the input of the output end of the rectification circuit module and the chopper circuit module
End is connected, and the output end of the chopper circuit module is connected with the input of the inversion grid connection circuit module, the host computer
Connect setting is in the output end of the inversion grid connection circuit module, and the current detection controller is filled with the chopping regulating speed
Put connected, the current detection controller is made up of inverter current controller and DSP digital processing units, at the DSP numerals
Reason device is connected with the rectification circuit module, inversion grid connection circuit module respectively.
The rectification circuit module is connected in parallel by three groups of thyristor groups and constituted, and each thyristor groups are by 6 IGCTs
Element is connected and constituted.
The chopper circuit module is made up of two loops parallel connections, and first loop is by an insulated gate bipolar crystalline substance
Body pipe and a diode reverse parallel connection are constituted, and second loop is by a capacity cell and inductance, a diode
The series circuit parallel connection of composition is constituted.
The inversion grid connection circuit module is connected by the reverse parallel connection group of three groups of IGBT and diode and constituted.
The DSP digital processing units are model DSP2812 32 microprocessors.
Beneficial effects of the present invention are:A kind of chopper speed regulating device with complementary energy feedback function that the present invention is provided, knot
Structure compact and reasonable, operation principle are clear, are examined in structure by epicyclic train, magneto alternator, chopper speed regulating device, electric current
Survey control device and host computer composition, by change the ON time of on-off circuit control the width of output waveform control directly
The voltage or electric current of output are flowed, has the advantages that speed efficiency height, low cost, power factor height, harmonic component are small.
Specific advantage is as follows:
(1) device can be required according to the speed governing of load, by the decomposition and synthesis of epicyclic train, directly be driven with complementary energy
Magneto alternator generates electricity, then by the chopping regulating speed to rectification circuit, chopper circuit and inverter circuit link, by generator
The frequency that sends, the electric energy of voltage change are converted into the electric energy of constant frequency and constant voltage, as long as regulation power output, you can realize for negative
The stepless speed regulation of load;
(2) device contains inversion grid connection circuit, it is possible to achieve by complementary energy feedback grid, saves the energy;
(3) arrangements for speed regulation also have the anti-ability for dragging motor, i.e., when system starts, the device can make generator do electronic
Machine is run, and is converted electric energy to the startup of mechanical energy help system, is played a part of soft start.After main motor starts motor again from
It is dynamic to be changed into electrical power generators, eliminate the starter of conventional power generation systems.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present invention.
Fig. 2 is circuit control module schematic diagram of the present invention.
In figure:Motor 1, epicyclic train 2, epicyclic train rotor 3, magneto alternator 4, permanent-magnet synchronous generate electricity
Machine rotor 5, chopper speed regulating device 6, current detection controller 7, load 8, host computer 9, rectification circuit module 10, chopper circuit
Module 11, inversion grid connection circuit module 12, inverter current controller 13, DSP digital processing units 14.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings:
As shown in Figure 1-2, a kind of chopper speed regulating device with complementary energy feedback function, including motor 1, the and of epicyclic train 2
Magneto alternator 4, the output shaft of epicyclic train 2 connects magneto alternator rotor 5 and load 8 respectively;The device
Also it is made up of chopper speed regulating device 6, current detection controller 7 and host computer 9;The stator of magneto alternator 4 and copped wave
Arrangements for speed regulation 6 are connected, and chopper speed regulating device 6 is by rectification circuit module 10, chopper circuit module 11 and inversion grid connection circuit module
12 compositions, the output end of rectification circuit module 10 is connected with the input of chopper circuit module 11, chopper circuit module 11 it is defeated
Go out end with the input of inversion grid connection circuit module 12 to be connected, the connect setting of host computer 9 is defeated inversion grid connection circuit module 12
Go out on end, current detection controller 7 is connected with chopper speed regulating device 6, current detection controller 7 is by inverter current controller
13 and DSP digital processing units 14 are constituted, DSP digital processing units 14 respectively with rectification circuit module 10, inversion grid connection circuit module
12 are connected.
As shown in Figure 1-2, a kind of chopper speed regulating device with complementary energy feedback function, rectification circuit module 10 is brilliant by three groups
Brake tube group is connected in parallel and constituted, and each thyristor groups are connected by 6 Thyristors and constituted;Chopper circuit module 11 is by two
Individual loop is in parallel and constitutes, and first loop is by an insulated gate bipolar transistor and diode reverse structure in parallel
Into the series circuit parallel connection that second loop is made up of a capacity cell and inductance, a diode is constituted;Inversion
Parallel network circuit module 12 is connected by the reverse parallel connection group of three groups of IGBT and diode and constituted;DSP digital processing units 14 are models
For DSP2812 32 microprocessors.
As shown in Figure 1-2, a kind of operation principle of the chopper speed regulating device with complementary energy feedback function is as follows:In rectified current
Chop control is carried out in road module, chopper circuit module, inversion grid connection circuit module, is adjusted by the break-make of controlling switch pipe
Output voltage, electric current are saved, power output is finally controlled, that is, controls grid-connected active power, and then by planetary
The stepless speed regulation to load is realized in action, and the information of load change can be gathered at any time and arrangements for speed regulation are fed back to, Jin Ertong
The real-time regulation to grid-connected power is crossed to realize that the chopping regulating speed of load is controlled.
Claims (5)
1. a kind of chopper speed regulating device with complementary energy feedback function, including motor (1), epicyclic train (2) and permanent magnetism are same
Generator (4) is walked, the output shaft of the epicyclic train (2) connects magneto alternator rotor (5) and load (8) respectively;
It is characterized in that:Described device is also made up of chopper speed regulating device (6), current detection controller (7) and host computer (9);Institute
The stator for stating magneto alternator (4) is connected with the chopper speed regulating device (6), and the chopper speed regulating device (6) is by rectification
Circuit module (10), chopper circuit module (11) and inversion grid connection circuit module (12) composition, the rectification circuit module (10)
Output end be connected with the input of the chopper circuit module (11), the output end of the chopper circuit module (11) with it is described
The input of inversion grid connection circuit module (12) is connected, and host computer (9) connect setting is in the inversion grid connection circuit module
(12) in output end, the current detection controller (7) is connected with the chopper speed regulating device (6), the current detecting
Control device (7) is made up of inverter current controller (13) and DSP digital processing units (14), the DSP digital processing units (14)
It is connected respectively with the rectification circuit module (10), inversion grid connection circuit module (12).
2. a kind of chopper speed regulating device with complementary energy feedback function according to claim 1, it is characterised in that:It is described whole
Current circuit module (10) is connected in parallel by three groups of thyristor groups and constituted, each thyristor groups connected by 6 Thyristors and
Constitute.
3. a kind of chopper speed regulating device with complementary energy feedback function according to claim 1, it is characterised in that:It is described to cut
Wave circuit module (11) is made up of two loops parallel connections, and first loop is by an insulated gate bipolar transistor and one
Diode reverse parallel connection is constituted, the series connection that second loop is made up of a capacity cell and inductance, a diode
Circuit in parallel is constituted.
4. a kind of chopper speed regulating device with complementary energy feedback function according to claim 1, it is characterised in that:It is described inverse
Become parallel network circuit module (12) to be connected by the reverse parallel connection group of three groups of IGBT and diode and constituted.
5. a kind of chopper speed regulating device with complementary energy feedback function according to claim 1, it is characterised in that:It is described
DSP digital processing units (14) are model DSP2812 32 microprocessors.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710238126.6A CN106953564A (en) | 2017-04-13 | 2017-04-13 | A kind of chopper speed regulating device with complementary energy feedback function |
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CN201710238126.6A CN106953564A (en) | 2017-04-13 | 2017-04-13 | A kind of chopper speed regulating device with complementary energy feedback function |
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Publication Number | Publication Date |
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CN106953564A true CN106953564A (en) | 2017-07-14 |
Family
ID=59475823
Family Applications (1)
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CN201710238126.6A Pending CN106953564A (en) | 2017-04-13 | 2017-04-13 | A kind of chopper speed regulating device with complementary energy feedback function |
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Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2306983Y (en) * | 1997-08-13 | 1999-02-10 | 莫魁 | Stepless speed regulator for hoister |
CN201288721Y (en) * | 2008-10-31 | 2009-08-12 | 浙江大学 | Energy recovery system of mixed power single-valve multiple actuator assembly |
CN201674458U (en) * | 2010-05-18 | 2010-12-15 | 襄樊德普电气有限公司 | High-frequency chopper and inverter serial pole speed regulator |
CN102410150A (en) * | 2011-12-12 | 2012-04-11 | 山东大学 | Mechanically-coupled mini-type hybrid wind power generating system capable of storing energy in form of compressed air |
CN102474108A (en) * | 2009-11-26 | 2012-05-23 | 丰田自动车株式会社 | Charging device |
CN104596764A (en) * | 2015-02-02 | 2015-05-06 | 华北电力大学 | Fault diagnosing and predicating test device for epicyclic gearbox |
CN105024405A (en) * | 2015-08-06 | 2015-11-04 | 沈阳远大科技电工有限公司 | Three-machine set drive variable-frequency generation system |
CN206650609U (en) * | 2017-04-13 | 2017-11-17 | 扬州大学 | A kind of chopper speed regulating device with complementary energy feedback function |
-
2017
- 2017-04-13 CN CN201710238126.6A patent/CN106953564A/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2306983Y (en) * | 1997-08-13 | 1999-02-10 | 莫魁 | Stepless speed regulator for hoister |
CN201288721Y (en) * | 2008-10-31 | 2009-08-12 | 浙江大学 | Energy recovery system of mixed power single-valve multiple actuator assembly |
CN102474108A (en) * | 2009-11-26 | 2012-05-23 | 丰田自动车株式会社 | Charging device |
CN201674458U (en) * | 2010-05-18 | 2010-12-15 | 襄樊德普电气有限公司 | High-frequency chopper and inverter serial pole speed regulator |
CN102410150A (en) * | 2011-12-12 | 2012-04-11 | 山东大学 | Mechanically-coupled mini-type hybrid wind power generating system capable of storing energy in form of compressed air |
CN104596764A (en) * | 2015-02-02 | 2015-05-06 | 华北电力大学 | Fault diagnosing and predicating test device for epicyclic gearbox |
CN105024405A (en) * | 2015-08-06 | 2015-11-04 | 沈阳远大科技电工有限公司 | Three-machine set drive variable-frequency generation system |
CN206650609U (en) * | 2017-04-13 | 2017-11-17 | 扬州大学 | A kind of chopper speed regulating device with complementary energy feedback function |
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