CN206517327U - A kind of form factor means for correcting - Google Patents
A kind of form factor means for correcting Download PDFInfo
- Publication number
- CN206517327U CN206517327U CN201720259377.8U CN201720259377U CN206517327U CN 206517327 U CN206517327 U CN 206517327U CN 201720259377 U CN201720259377 U CN 201720259377U CN 206517327 U CN206517327 U CN 206517327U
- Authority
- CN
- China
- Prior art keywords
- voltage
- module
- filter
- current sampling
- sampling apparatus
- 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.)
- Active
Links
Landscapes
- Control Of Electrical Variables (AREA)
Abstract
The utility model is related to a kind of form factor means for correcting, belongs to technical field of industrial control.Technical scheme is：The master controller（1）Pass through voltage x current sampling apparatus one（2）With generator（4）Interconnect, pass through voltage x current sampling apparatus two（3）With filter（9）Interconnect, pass through voltage x current sampling apparatus three（6）With load（7）Interconnect, pass through 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.Good effect of the present utility model：Speed is fast, and stability is high, with reference to pondage module and waveform adjusting module, can correct system waveform coefficient, make the reliable and stable operation of whole system, strong adaptability.
Description
Technical field
The utility model is related to a kind of form factor means for correcting, belongs 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 can not meet standard requirement so that hair
Electric system can not connect multiple load cooperations, or even cause system crash.Its origin cause of formation is mainly when harmonic current is notable
During increase, Severe distortion can occur for generator outlet waveform, it is impossible to meet the requirement that form factor as defined in standard is less than 3%；Mesh
Before, the research of this respect is had begun to both at home and abroad, and 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.
Utility model content
The purpose of this utility model is to provide a kind of form factor means for correcting, can optimize filter capacity, wide scope（0-
In the range of 50 subharmonic）Form factor is adjusted, different load requests are adapted to, correction signal coefficient solves background technology and existed
Above mentioned problem.
The technical solution of the utility model is：
A kind of form factor means for correcting, includes master controller, voltage x current sampling apparatus one, voltage x current sampling apparatus
2nd, generator, capacity calculation module, voltage x current sampling apparatus three, load, drive module, filter, pondage module
With waveform adjusting module, the master controller is interconnected by voltage x current sampling apparatus one and generator, passes through voltage electricity
Flow sampling apparatus two to interconnect with filter, interconnected by voltage x current sampling apparatus three with load, pass through capacity
Computing module is interconnected with drive module；Drive module is also connected with generator, load and filter respectively, and load is successively
It is connected by pondage module and waveform adjusting module with filter.
The filter, can comprising variable inductance one, variable inductance two, capacitor one, capacitor two and power device
Become inductance one to connect with capacitor one, variable inductance two is concatenated after capacitor two and power device parallel connection.
The master controller is DSP28335 chips.
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
Measure module optimization, adapt to the load of different capabilities and voltage class, by waveform adjusting module in the range of 0-50 subharmonic school
Positive form factor, makes form factor meet requirement；System uses closed-loop control, passes through generator bus voltage, the electric current of sampling, meter
Real-time form factor is calculated, is compared with form factor reference value and obtains error signal, master controller is calculated through DSP28335
Required control signal, the form factor of system is corrected by filter.
Good effect of the present utility model：Speed is fast, and stability is high, with reference to pondage module and waveform adjusting module,
System waveform coefficient can be corrected, makes the reliable and stable operation of whole system, strong adaptability.
Brief description of the drawings
Fig. 1 is the utility model structural representation；
Fig. 2 is the utility model embodiment filter structural representation；
In figure：Master controller 1, voltage x current sampling apparatus 1, voltage x current sampling apparatus 23, generator 4, volumeter
Calculate module 5, voltage x current sampling apparatus 36, load 7, drive module 8, filter 9, pondage module 10, waveform adjustment
Module 11, 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.
Embodiment
The utility model is described further with reference to the accompanying drawings and examples：
A kind of form factor means for correcting, includes master controller 1, voltage x current sampling apparatus 1, voltage x current sampling cartridge
Put 23, generator 4, capacity calculation module 5, voltage x current sampling apparatus 36, load 7, drive module 8, filter 9, tune
Capacity module 10 and waveform adjusting module 11 are saved, the master controller 1 is mutual by voltage x current sampling apparatus 1 and generator 4
It is connected, is interconnected by voltage x current sampling apparatus 23 with filter 9, by voltage x current sampling apparatus 36 with bearing
Carry 7 to interconnect, interconnected by capacity calculation module 5 with drive module 8；Drive module also respectively with generator 4, load
7 and filter 9 connect, load 7 passes sequentially through pondage module 10 and waveform adjusting module 11 is connected with filter 9.
The filter 9, includes 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 are in parallel
Feel two L2.
The main element of the master controller 1 is DSP28335 chips.
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, passes through 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, makes form factor meet requirement；System uses closed-loop control, female by generator of sampling
Line voltage, electric current, calculate real-time form factor, are compared 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.
2, L1 and L2 is respectively variable inductance one and variable inductance two referring to the drawings, and C1 and C2 are capacitor one and electricity respectively
Container two, K1 is power device, and DSP28335 is by the control signal that is obtained after calculating, by drive amplification, by adjusting work(
Rate device K1 phase shifting angle and the L2 optimizing capacities of variable inductance two, 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, is reached the purpose of correction signal coefficient.
Claims (3)
1. a kind of form factor means for correcting, it is characterised in that：Include 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）Pass through voltage x current sampling apparatus one（2）With generator（4）Interconnect, pass through voltage x current sampling apparatus two（3）With filter
Wave apparatus（9）Interconnect, pass through voltage x current sampling apparatus three（6）With load（7）Interconnect, pass through 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 or 2, it is characterised in that：The master controller（1）For
DSP28335 chips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720259377.8U CN206517327U (en) | 2017-03-17 | 2017-03-17 | A kind of form factor means for correcting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720259377.8U CN206517327U (en) | 2017-03-17 | 2017-03-17 | A kind of form factor means for correcting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206517327U true CN206517327U (en) | 2017-09-22 |
Family
ID=59870539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720259377.8U Active CN206517327U (en) | 2017-03-17 | 2017-03-17 | A kind of form factor means for correcting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206517327U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106712614A (en) * | 2017-03-17 | 2017-05-24 | 保定天威保变电气股份有限公司 | Waveform factor correcting device and waveform factor correcting method |
-
2017
- 2017-03-17 CN CN201720259377.8U patent/CN206517327U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106712614A (en) * | 2017-03-17 | 2017-05-24 | 保定天威保变电气股份有限公司 | Waveform factor correcting device and waveform factor correcting method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105305410B (en) | A kind of adaptive virtual impedance droop control method of direct-flow distribution system energy storage device | |
| CN102075108B (en) | Capacitance current feedforward control method for grid-connected inverter with LCL filter | |
| CN102710105B (en) | Active damping control device for LCL filtering PWM current converter | |
| CN103944190B (en) | A kind of stable state control method of three-phase dual mode inverter | |
| CN109149620B (en) | Self-energy-storage multi-terminal flexible-straight system control method and system | |
| CN103944182B (en) | A kind of and under net state energy storage inverter PQ control method | |
| CN104600748B (en) | A kind of isolated island micro-capacitance sensor multi-inverter control system possessing active power filtering function and method of work thereof | |
| CN100550568C (en) | Harmonic wave dynamic managing and reactive-load dynamic compensation compound control method and implement device thereof | |
| CN103326386B (en) | Capacitor-voltage-based grid-connected inverter active damping method | |
| CN106230257A (en) | A kind of two-way DC converter feedback linearization contragradience sliding-mode control | |
| CN104158220B (en) | The virtual reactance control method of photovoltaic combining inverter | |
| CN107248756A (en) | The control method of multi-inverter parallel power distribution precision in a kind of raising micro-capacitance sensor | |
| CN104079002A (en) | Double-closed-loop control method of photovoltaic energy storage system in grid-connection mode | |
| CN103972922B (en) | The grid-connected control method adding Repetitive controller is controlled based on modified model quasi-resonance | |
| CN112217225B (en) | Self-adaptive virtual resistance-capacitance control method for direct-current micro-grid | |
| WO2012048518A1 (en) | Direct-current side control method for midline arm control model of four bridge arm photovoltaic inverter | |
| CN105610182A (en) | Tandem type microgrid structure of island operation and power control method of structure | |
| CN106877401B (en) | Method for adaptively improving stability of LCL type grid-connected inverter system under weak grid condition | |
| CN107947171A (en) | A kind of bicyclic composite control method of Research on Unified Power Quality Conditioner | |
| CN105515021A (en) | Multi-mode additional sub/super synchronous oscillation control method and control system | |
| CN104410086B (en) | Natural gas power station impact load dynamic compensating device and method | |
| CN105098798B (en) | The control method that a kind of reactive power of distributed power source in parallel is divided equally | |
| CN107887910B (en) | Lead-lag compensation method for improving distributed photovoltaic grid connection performance | |
| CN109449941A (en) | Voltage source operating mode active filter control method based on virtual impedance control | |
| CN104600703A (en) | Grid-connected inverter harmonic resonance suppression method based on phase margin compensation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |