CN106712614A - Waveform factor correcting device and waveform factor correcting method - Google Patents
Waveform factor correcting device and waveform factor correcting method Download PDFInfo
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- CN106712614A CN106712614A CN201710158609.5A CN201710158609A CN106712614A CN 106712614 A CN106712614 A CN 106712614A CN 201710158609 A CN201710158609 A CN 201710158609A CN 106712614 A CN106712614 A CN 106712614A
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- 238000000034 method Methods 0.000 title abstract description 8
- 238000005070 sampling Methods 0.000 claims description 47
- 239000003990 capacitor Substances 0.000 claims description 16
- 230000005611 electricity Effects 0.000 claims description 5
- 238000005457 optimization Methods 0.000 claims description 4
- 230000009466 transformation Effects 0.000 claims description 2
- 230000008092 positive effect Effects 0.000 abstract description 2
- 230000010363 phase shift Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000013024 troubleshooting Methods 0.000 description 1
Classifications
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- 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
Abstract
The invention relates to a waveform factor correcting device and a waveform factor correcting method and belongs to the technical field of industrial control. According to the technical scheme, the method comprises the following steps: collecting voltages and currents of a bus of a generator (4), a filter device (9) and a load (7) to obtain a control error by a master controller (1); calculating the harmonic content and the required compensation capacity in the bus of the generator; then performing calculation to obtain a real time control signal; optimizing the capacity through a capacity adjusting module (10); performing adjustment in a 0-50-time harmonic range by virtue of a waveform adjusting module (11); and controlling the phase-shift angle of a power apparatus by virtue of the filter device (9) to correct the waveform factor of the bus. The device and method provided by the invention have the positive effects of fully exerting the characteristics of being fast in speed of a singlechip microcomputer and high in stability and combining the capacity adjusting module and the waveform adjusting module; the waveform factor can be corrected, so that the whole system is stable and reliable in operation and high in adaptability.
Description
Technical field
The present invention relates to a kind of form factor means for correcting and method, belong to technical field of industrial control.
Background technology
In medium and small micro- duty generator application system, when load capacity is higher and containing a large amount of harmonic waves, generator is female
Harmonic content in line voltage electric current can also be significantly increased, and the index parameter such as form factor cannot meet standard requirement so that hair
Electric system cannot connect multiple load cooperations, or even cause system crash.Its origin cause of formation is mainly when harmonic current is notable
During increase, generator outlet waveform can occur Severe distortion, it is impossible to meet requirement of the form factor less than 3% that standard specifies；Mesh
Before, the research of this respect is had begun to both at home and abroad, mainly administering the two angles by capacitive current compensation harmonic is carried out,
Harmonic wave control is at present based on passive filtering and fixed capacity.But due to the diversity of load so that regulation effect is undesirable.
The content of the invention
It is an object of the invention to provide a kind of form factor means for correcting and method, filter capacity, wide scope can be optimized
（In the range of 0-50 subharmonic）Adjustment form factor, adapts to different load requests, and correction signal coefficient solves background technology and deposits
Above mentioned problem.
The technical scheme is that：
A kind of form factor means for correcting, comprising master controller, voltage x current sampling apparatus one, voltage x current sampling apparatus two,
Generator, capacity calculation module, voltage x current sampling apparatus three, load, drive module, filter, pondage module and
Waveform adjusting module, the master controller is interconnected by voltage x current sampling apparatus one with generator, by voltage x current
Sampling apparatus two is interconnected with filter, is interconnected with load by voltage x current sampling apparatus three, by volumeter
Module is calculated to be interconnected with drive module；Drive module is also connected with generator, load and filter respectively, and load is led to successively
Overregulate capacity module and waveform adjusting module is connected with filter.
The filter, comprising variable inductance one, variable inductance two, capacitor one, capacitor two and power device, can
Become inductance one to be connected with capacitor one, variable inductance two is concatenated after capacitor two and power device parallel connection.
The master controller is DSP28335 chips.
A kind of form factor bearing calibration, comprises the following steps：
Carried out using a kind of form factor means for correcting, the device includes master controller, voltage x current sampling apparatus one, voltage electricity
Stream sampling apparatus two, generator, capacity calculation module, voltage x current sampling apparatus three, load, drive module, filter, tune
Section capacity module and waveform adjusting module, the master controller are interconnected by voltage x current sampling apparatus one with generator,
Interconnected by voltage x current sampling apparatus two and filter, be mutually connected with load by voltage x current sampling apparatus three
Connect, interconnected by capacity calculation module and drive module；Drive module also connects with generator, load and filter respectively
Connect, load passes sequentially through pondage module and waveform adjusting module is connected with filter；
Whole system uses closed-loop control, and master controller collection generator bus, filter, the voltage x current of load pass through
Comparison system bus actual waveform coefficient and reference value, obtain controlling error, calculate the harmonic content in now generator bus
With required compensation capacity, then by calculating obtain real-time control signal, real-time control signal by drive module amplify, by adjust
Section capacity module carries out capacity optimization, is adjusted in the range of 0-50 subharmonic by waveform adjusting module, by filter control
The phase shifting angle of the power device of itself is made, correction bus form factor is realized.
Using DSP28335 chips as master controller, the voltage electricity of generator is gathered by voltage x current sampling apparatus one
Stream, the voltage x current of filter is gathered by voltage x current sampling apparatus two, gathers negative by voltage x current sampling apparatus three
The voltage x current of load, filter capacity is calculated by capacity calculation module, and filter is controlled by drive module, is held by adjusting
Amount module optimization, adapts to the load of different capabilities and voltage class, by waveform adjusting module in the range of 0-50 subharmonic school
Positive form factor, meets form factor and requires；System uses closed-loop control, by generator bus voltage, the electric current of sampling, meter
Real-time form factor is calculated, is compared with form factor reference value and is obtained error signal, master controller is calculated through DSP28335
Required control signal, the form factor of system is corrected by filter.
The positive effect of the present invention：Single-chip microcomputer speed is given full play to fast, stability characteristic high, with reference to pondage mould
Block and waveform adjusting module, can correct system waveform coefficient, make the reliable and stable operation of whole system, strong adaptability.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is flow chart of the present invention；
Fig. 3 is embodiment of the present invention filter structural representation；
In figure：Master controller 1, voltage x current sampling apparatus 1, voltage x current sampling apparatus 23, generator 4, calculation of capacity mould
Block 5, voltage x current sampling apparatus 36, load 7, drive module 8, filter 9, pondage module 10, waveform adjusting module
11st, the L1 of variable inductance one, the L2 of variable inductance two, the C1 of capacitor one, the C2 of capacitor two, power device K1.
Specific embodiment
The present invention is described further with reference to the accompanying drawings and examples：
A kind of form factor means for correcting, comprising master controller 1, voltage x current sampling apparatus 1, voltage x current sampling apparatus two
3rd, generator 4, capacity calculation module 5, voltage x current sampling apparatus 36, load 7, drive module 8, filter 9, regulation is held
Amount module 10 and waveform adjusting module 11, the master controller 1 are mutually connected by voltage x current sampling apparatus 1 with generator 4
Connect, interconnected with filter 9 by voltage x current sampling apparatus 23, by voltage x current sampling apparatus 36 and load 7
Interconnect, interconnected with drive module 8 by capacity calculation module 5；Drive module also respectively with generator 4, load 7 and
Filter 9 is connected, and load 7 passes sequentially through pondage module 10 and waveform adjusting module 11 is connected with filter 9.
The filter 9, comprising the L1 of variable inductance one, the L2 of variable inductance two, the C1 of capacitor one, the C2 of capacitor two and work(
Rate device K1, the L1 of variable inductance one connect with the C1 of capacitor one, and concatenation can power transformation after the C2 of capacitor two and power device K1 parallel connections
Feel two L2.
The main element of the master controller 1 is DSP28335 chips.
A kind of form factor bearing calibration, comprises the following steps：
Carried out using a kind of form factor means for correcting, the device includes master controller 1, voltage x current sampling apparatus one 2, voltage
Current sampling device 23, generator 4, capacity calculation module 5, voltage x current sampling apparatus 36, load 7, drive module 8, filter
Wave apparatus 9, pondage module 10 and waveform adjusting module 11, the master controller 1 by voltage x current sampling apparatus 1 with
Generator 4 is interconnected, and is interconnected with filter 9 by voltage x current sampling apparatus 23, by voltage x current sampling cartridge
Put 36 to be interconnected with load 7, interconnected with drive module 8 by capacity calculation module 5；Drive module also respectively with hair
Motor 4, load 7 and filter 9 are connected, and load 7 passes sequentially through pondage module 10 and waveform adjusting module 11 with filtering
Device 9 is connected；
Whole system uses closed-loop control, and master controller 1 gathers the bus of generator 4, filter 9, the voltage x current of load 7,
By comparison system bus actual waveform coefficient and reference value, obtain controlling error, calculate the harmonic wave in now generator bus
Content and required compensation capacity, then real-time control signal is obtained by calculating, real-time control signal amplifies by drive module 8,
Capacity optimization is carried out by pondage module 10, is adjusted in the range of 0-50 subharmonic by waveform adjusting module 11, passed through
Filter 9 controls the phase shifting angle of the power device of itself, realizes correction bus form factor.
Using DSP28335 chips as master controller 1, the electricity of generator 4 is gathered by voltage x current sampling apparatus 1
Current voltage, the voltage x current of filter 9 is gathered by voltage x current sampling apparatus 23, by voltage x current sampling apparatus 36
The voltage x current of collection load 7, filter capacity is calculated by capacity calculation module 5, and filter 9 is controlled by drive module 8,
Optimized by pondage module 10, the load of different capabilities and voltage class is adapted to, by waveform adjusting module 11 in 0-50
Correction signal coefficient in the range of subharmonic, meets form factor and requires；System uses closed-loop control, female by generator of sampling
Line voltage, electric current, calculate real-time form factor, compare with form factor reference value and obtain error signal, through DSP28335
Control signal needed for master controller is calculated, the form factor of system is corrected by filter 9.
3, L1 and L2 is respectively variable inductance one and variable inductance two referring to the drawings, and C1 and C2 is difference capacitor one and electricity
Container two, K1 is power device, the control signal that DSP28335 is obtained after calculating, by drive amplification, by adjusting work(
The phase shifting angle and the L2 optimizing capacities of variable inductance two of rate device K1, wide scope is realized with reference to the L1 of variable inductance one, the C1 of capacitor one
Form factor is corrected, and uninterrupted in real time in control process can be adjusted, and reaches the purpose of correction signal coefficient.
Referring to the drawings 2,
The present invention is comprised the following steps that：
1st, automatic running initialization；
2nd, judge whether power-on self-test completes, if do not completed, automatic running initialization after fault alarm；
3rd, start after completing self-inspection, determine whether fault alarm；If fault alarm, automatic running after troubleshooting is carried out
Initialization；
4th, collection generator bus, filter, capacity calculation module, the voltage and current signal of load；Compare actual waveform system
Number and reference value, obtain signal errors, and calculating now needs the capacity of adjustment, obtains real-time control signal；
5th, judge whether calculation of capacity completes；If it did not, after changing PI regulation parameters, automatic running initialization；
6th, the phase shifting angle in filter is controlled by form factor adjustable strategies, absorbs the harmonic wave on generator bus, adjustment
System waveform coefficient；
8th, judge whether waveform meets the requirements；If do not met, automatic running initialization；
9th, terminate.
Claims (4)
1. a kind of form factor means for correcting, it is characterised in that：Comprising master controller（1）, voltage x current sampling apparatus one（2）、
Voltage x current sampling apparatus two（3）, generator（4）, capacity calculation module（5）, voltage x current sampling apparatus three（6）, load
（7）, drive module（8）, filter（9）, pondage module（10）With waveform adjusting module（11）, the master controller
（1）By voltage x current sampling apparatus one（2）With generator（4）Interconnect, by voltage x current sampling apparatus two（3）With filter
Wave apparatus（9）Interconnect, by voltage x current sampling apparatus three（6）With load（7）Interconnect, by capacity calculation module
（5）With drive module（8）Interconnect；Drive module also respectively with generator（4）, load（7）And filter（9）Connection,
Load（7）Pass sequentially through pondage module（10）With waveform adjusting module（11）With filter（9）Connection.
2. a kind of form factor means for correcting according to claim 1, it is characterised in that：The filter（9）, comprising
Variable inductance one（L1）, variable inductance two（L2）, capacitor one（C1）, capacitor two（C2）And power device（K1）, can power transformation
Sense one（L1）With capacitor one（C1）Series connection, capacitor two（C2）And power device（K1）Variable inductance two is concatenated after parallel connection
（L2）.
3. a kind of form factor means for correcting according to claim 1 and 2, it is characterised in that：The master controller（1）For
DSP28335 chips.
4. a kind of form factor bearing calibration, it is characterised in that comprise the following steps：
Carried out using a kind of form factor means for correcting, the device includes master controller（1）, voltage x current sampling apparatus one（2）、
Voltage x current sampling apparatus two（3）, generator（4）, capacity calculation module（5）, voltage x current sampling apparatus three（6）, load
（7）, drive module（8）, filter（9）, pondage module（10）With waveform adjusting module（11）, the master controller
（1）By voltage x current sampling apparatus one（2）With generator（4）Interconnect, by voltage x current sampling apparatus two（3）With filter
Wave apparatus（9）Interconnect, by voltage x current sampling apparatus three（6）With load（7）Interconnect, by capacity calculation module
（5）With drive module（8）Interconnect；Drive module also respectively with generator（4）, load（7）And filter（9）Connection,
Load（7）Pass sequentially through pondage module（10）With waveform adjusting module（11）With filter（9）Connection；
Whole system uses closed-loop control, master controller（1）Collection generator（4）Bus, filter（9）, load（7）Electricity
Current voltage, by comparison system bus actual waveform coefficient and reference value, obtains controlling error, and calculating is now in generator bus
Harmonic content and required compensation capacity, then by calculating obtain real-time control signal, real-time control signal is by drive module
（8）Amplify, by pondage module（10）Capacity optimization is carried out, by waveform adjusting module（11）In 0-50 subharmonic scopes
Interior adjustment, by filter（9）The phase shifting angle of the power device of itself is controlled, correction bus form factor is realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710158609.5A CN106712614A (en) | 2017-03-17 | 2017-03-17 | Waveform factor correcting device and waveform factor correcting method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710158609.5A CN106712614A (en) | 2017-03-17 | 2017-03-17 | Waveform factor correcting device and waveform factor correcting method |
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| Publication Number | Publication Date |
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| CN106712614A true CN106712614A (en) | 2017-05-24 |
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| CN201710158609.5A Pending CN106712614A (en) | 2017-03-17 | 2017-03-17 | Waveform factor correcting device and waveform factor correcting method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108960531A (en) * | 2018-07-27 | 2018-12-07 | 南方科技大学 | A kind of environment power generation processing method |
| CN112286165A (en) * | 2020-09-30 | 2021-01-29 | 上海艾为电子技术股份有限公司 | Method for calibrating drive waveform data of linear motor and electronic device |
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| CN101790689A (en) * | 2007-08-27 | 2010-07-28 | 西门子公司 | Measuring and/or switching device |
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| CN203339712U (en) * | 2013-07-26 | 2013-12-11 | 山西省电力公司吕梁供电公司 | 10KV system static var compensator |
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| CN206517327U (en) * | 2017-03-17 | 2017-09-22 | 保定天威保变电气股份有限公司 | A kind of form factor means for correcting |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101790689A (en) * | 2007-08-27 | 2010-07-28 | 西门子公司 | Measuring and/or switching device |
| CN201667539U (en) * | 2009-12-30 | 2010-12-08 | 江苏省电力公司南通供电公司 | Intelligent mixed type reactive compensation filtering screen |
| CN103095201A (en) * | 2012-12-24 | 2013-05-08 | 中国北车集团大连机车研究所有限公司 | Internal combustion locomotive alternating current auxiliary generator excitation control device |
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| CN206517327U (en) * | 2017-03-17 | 2017-09-22 | 保定天威保变电气股份有限公司 | A kind of form factor means for correcting |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108960531A (en) * | 2018-07-27 | 2018-12-07 | 南方科技大学 | A kind of environment power generation processing method |
| CN108960531B (en) * | 2018-07-27 | 2021-12-28 | 南方科技大学 | Environment power generation processing method |
| CN112286165A (en) * | 2020-09-30 | 2021-01-29 | 上海艾为电子技术股份有限公司 | Method for calibrating drive waveform data of linear motor and electronic device |
| CN112286165B (en) * | 2020-09-30 | 2022-02-01 | 上海艾为电子技术股份有限公司 | Method for calibrating drive waveform data of linear motor and electronic device |
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Application publication date: 20170524 |