CN206775133U - A kind of New DSP utility power quality control and on-Line Monitor Device - Google Patents
A kind of New DSP utility power quality control and on-Line Monitor Device Download PDFInfo
- Publication number
- CN206775133U CN206775133U CN201720632342.4U CN201720632342U CN206775133U CN 206775133 U CN206775133 U CN 206775133U CN 201720632342 U CN201720632342 U CN 201720632342U CN 206775133 U CN206775133 U CN 206775133U
- Authority
- CN
- China
- Prior art keywords
- inverter
- processing units
- signal processing
- dsp
- dsp signal
- 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.)
- Expired - Fee Related
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/40—Arrangements for reducing harmonics
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
Landscapes
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
A kind of New DSP utility power quality control and on-Line Monitor Device,Including sensor,Detect circuit,A/D converter,DSP signal processing units,Drive circuit,Serial connection controllable silicon,Inverter,Communication unit and by-pass switch,Inverter and by-pass switch are arranged in parallel between three phase mains and load connection line,Detect the output end of circuit access sensor,The output end of A/D converter detection circuit for access,DSP signal processing units access the output end of A/D converter,Drive circuit is connected with DSP signal processing units,Inverter is connected with serial connection controllable silicon,The built-in hysteresis comparator for adding pi regulator of DSP signal processing units,Inverter includes the inverter of three-phase independence,It is in series per phase inverter by two groups of inverters,Every group of inverter is by four Insulated Gate Bipolar thyristor groups into H type full-controlled bridge structures,Every group of inverter is parallel with electrical energy accumulator,Voltage compensation electric capacity is equipped with per phase inverter load-side.
Description
Technical field
It the utility model is related to a kind of New DSP utility power quality control and on-Line Monitor Device.
Background technology
The quality of power supply is the quality of electric energy in power system, and preferable electric energy should be the sine wave of ideal symmetrical.Some
Factor can make waveform deviate symmetrical sine, thus just generate power quality problem.On the one hand we study influences in the presence of for which
Factor can cause power quality problem, and on the one hand we study the problem of which aspect is these factors can cause, finally, Wo Menyao
How research eliminates these factors, so as to make electric energy to the full extent close to sine wave.But due to a large amount of electricity in recent decades
The use of power electronics load and nonlinear-load in power system so that power system power supply quality further deteriorates；It is worth
The system as caused by power supply quality in recent years and the economic loss of user also getting worse are concerned with, at present in industrialization state
Family, voltage dip have risen to most important power quality problem.Though currently used electric energy quality controller has certain
The function of utility power quality control, but the effect handled is unsatisfactory, and damaging and being difficult with easily occur in inner member, together
The data sheet one of Shi Chuantong electric energy quality controller monitoring, it is difficult to the quality of power supply of comprehensive utilization analysis transmission line of electricity.
Utility model content
The utility model devises a kind of New DSP utility power quality control and filled with on-line monitoring to solve the above problems
Put, the device sets independent inverter per circuitry phase, and the inverter per circuitry phase has an inverter of two groups of series connection, at harmonic wave
Manage better, inverter is connected with serial connection controllable silicon, prevents too high voltages from causing inverter circuit, can more effectively be protected inverse
Become device, increase the service life of device；The communication unit of the device is connected to Surveillance center simultaneously and forms remote control network,
The quality of power supply information of transmission line of electricity, comprehensive analysis and the control quality of power supply can be gathered comprehensively.
In order to realize above-mentioned technical purpose, reach above-mentioned technique effect, the utility model is real by the following technical programs
Existing：
A kind of New DSP utility power quality control and on-Line Monitor Device, including sensor, detection circuit, A/D converter,
DSP signal processing units, drive circuit, serial connection controllable silicon, inverter, communication unit and by-pass switch, inverter are opened with bypass
Pass is arranged in parallel between three phase mains and load connection line, and the sensor is connected with three phase mains interface and gathers three
The voltage and current fundametal compoment of phase power supply, the output end of detection circuit access sensor, A/D converter detection circuit for access
Output end, DSP signal processing units access the output end of A/D converter, and drive circuit is connected with DSP signal processing units, drive
Dynamic circuit can receive the signal pulse of DSP signal processing units and export positive level and negative level control serial connection controllable silicon and inversion
The turn-on and turn-off of device circuit, output end access load after inverter is connected with serial connection controllable silicon；
The built-in hysteresis comparator for adding pi regulator of the DSP signal processing units, the hysteresis comparator is using instantaneous
It is worth manner of comparison, DSP signal processing units send PMW signals to drive by comparing the voltage and current signal of input with preset value
Dynamic circuit controls the break-make of serial connection controllable silicon；
The inverter includes the inverter of three-phase independence, is in series per phase inverter by two groups of inverters, every group inverse
Become device and be parallel with electrical energy accumulator into H type full-controlled bridge structures, every group of inverter by four Insulated Gate Bipolar thyristor groups, often
Phase inverter load-side is equipped with voltage compensation electric capacity；
The communication unit is connected with DSP signal processing units, and communication unit includes RS485 communication modules, RF communication moulds
Block and WIFI transport modules.
Further, described communication unit can transmit Monitoring Data to Surveillance center, New DSP utility power quality control
Surveillance center, which can be connected to, with on-Line Monitor Device forms remote control network.
The beneficial effects of the utility model are：The device sets independent inverter per circuitry phase, the inversion per circuitry phase
Device has the inverter of two groups of series connection, and harmonic management is better, and inverter is connected with serial connection controllable silicon, prevents too high voltages from making
Damaged into inverter circuit, can more effectively protect inverter, increase the service life of device；The communication unit of the device is same
When be connected to Surveillance center and form remote control network, can gather the quality of power supply information of transmission line of electricity comprehensively, comprehensive analysis with
And the control quality of power supply.
Certainly, implement any product of the present utility model to it is not absolutely required to reach all the above advantage simultaneously.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of the utility model embodiment, make required for being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the utility model,
For those of ordinary skill in the art, on the premise of not paying creative work, can also be obtained according to these accompanying drawings
Other accompanying drawings.
Fig. 1 is a kind of New DSP utility power quality control and on-Line Monitor Device illustrative view of functional configuration；
Fig. 2 is a kind of New DSP utility power quality control and the electrical block diagram of on-Line Monitor Device.
In accompanying drawing, the list of parts representated by each label is as follows：
1- sensors, 2- detection circuits, 3-A/D converters, 4-DSP signal processing units, 5- drive circuits, 6- series connection can
Control silicon, 7- inverters, 8- communication units, 81-RS485 communication modules, 82-RF communication modules, 83-WIFI transport modules, by 9-
Way switch.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The all other embodiment obtained, belong to the scope of the utility model protection.
Refering to shown in Fig. 1-2, a kind of New DSP utility power quality control and on-Line Monitor Device, including sensor (1), inspection
Slowdown monitoring circuit (2), A/D converter (3), DSP signal processing units (4), drive circuit (5), serial connection controllable silicon (6), inverter
(7), communication unit (8) and by-pass switch (9), inverter (7) is arranged in parallel with by-pass switch (9) to be connected in three phase mains and load
Between link, the sensor (1) is connected with three phase mains interface and gathers the voltage and current fundamental wave point of three phase mains
Amount, the output end of detection circuit (2) access sensor (1), the output end of A/D converter (3) detection circuit for access (2), DSP letters
The output end of number processing unit (4) access A/D converter (3), drive circuit (5) are connected with DSP signal processing units (4), drive
Dynamic circuit (5) can receive the signal pulse of DSP signal processing units and export positive level and negative level control serial connection controllable silicon (6)
With the turn-on and turn-off of inverter (7) circuit, output end access load after inverter (7) is connected with serial connection controllable silicon (6)；
The built-in hysteresis comparator for adding pi regulator of the DSP signal processing units (4), the hysteresis comparator use wink
Duration manner of comparison, DSP signal processing units send PMW signals extremely by comparing the voltage and current signal of input with preset value
Drive circuit controls the break-make of serial connection controllable silicon；
The inverter (7) includes the inverter of three-phase independence, is in series per phase inverter by two groups of inverters, every group
Inverter is parallel with electrical energy accumulator by four Insulated Gate Bipolar thyristor groups into H type full-controlled bridge structures, every group of inverter,
Voltage compensation electric capacity is equipped with per phase inverter load-side；
The communication unit (8) is connected with DSP signal processing units (4), and communication unit (8) includes RS485 communication modules
(81), RF communication modules (82) and WIFI transport modules (83).
Therein, described communication unit (8) can transmit Monitoring Data to Surveillance center, New DSP quality of power supply control
System can be connected to Surveillance center with on-Line Monitor Device and form remote control network.
One of the present embodiment has particular application as：Sensor (1) is accessed at three phase mains and inverter (7) import wiring,
Sensor (1) transmits the voltage of three phase mains and circuit signal to detection circuit (2) whether to detect the three-phase of three phase mains
Balance, detection circuit (2) transmit the signal of detection into A/D converter (3), the three phase mains after digital and analogue signals are changed
Voltage and current data signal is inputted to DSP signal processing units (4), and DSP signal processing units are by the signal of input with presetting
Value is compared, and output pwm signal to drive circuit and drives serial connection controllable silicon (6) and inverter (7) to carry out break-make after comparing
Operation, inverter make corresponding voltage and current compensating operation, and the electric energy after compensation is flowed into load；DSP signal transacting lists
First (4) are also connected with communication unit (8), and communication unit (8) leads to the process signal of DSP signal processing units (4) by RS485
News module (81) or RF communication modules or WIFI transport modules (83) are transmitted to Surveillance center to analyze the quality of power supply；Inverter
(7) inverter of three-phase independence, it is in series per phase inverter by two groups of inverters, every group of inverter is by four Insulated Gate Bipolars
Thyristor groups are parallel with electrical energy accumulator into H type full-controlled bridge structures, every group of inverter, are equipped with per phase inverter load-side
Voltage compensation electric capacity, voltage and current compensation can be carried out to the three phase mains of input, improve the quality of power supply of power supply, while per phase
Two serial inverters (7) are set preferably to solve power quality problem, while inverter (7) and serial connection controllable silicon (6)
Using series system, overtension can be avoided to cause inverter to damage and be difficult with.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
It is contained in reference to specific features, structure, material or the feature that the embodiment or example describe of the present utility model at least one
In embodiment or example.In this manual, the schematic representation of above-mentioned term is not necessarily referring to identical embodiment or
Example.Moreover, specific features, structure, material or the feature of description can be in any one or more embodiments or example
In combine in an appropriate manner.
The utility model preferred embodiment disclosed above is only intended to help and illustrates the utility model.Preferred embodiment is simultaneously
There is no the details that detailed descriptionthe is all, it is only described embodiment also not limit the utility model.Obviously, according to this theory
The content of bright book, it can make many modifications and variations.This specification is chosen and specifically describes these embodiments, is in order to preferably
Principle and practical application of the present utility model is explained, so that skilled artisan can be best understood by and utilize this
Utility model.The utility model is only limited by claims and its four corner and equivalent.
Claims (2)
1. a kind of New DSP utility power quality control and on-Line Monitor Device, it is characterised in that：Including sensor (1), detection circuit
(2), A/D converter (3), DSP signal processing units (4), drive circuit (5), serial connection controllable silicon (6), inverter (7), communication
Unit (8) and by-pass switch (9), inverter (7) and by-pass switch (9) be arranged in parallel in three phase mains and load connection line it
Between, the sensor (1) is connected with three phase mains interface and gathers the voltage and current fundametal compoment of three phase mains, detection electricity
The output end of road (2) access sensor (1), the output end of A/D converter (3) detection circuit for access (2), DSP signal transacting lists
The output end of first (4) access A/D converter (3), drive circuit (5) are connected with DSP signal processing units (4), drive circuit (5)
The signal pulse of DSP signal processing units can be received and export positive level and negative level control serial connection controllable silicon (6) and inverter
(7) turn-on and turn-off of circuit, output end access load after inverter (7) is connected with serial connection controllable silicon (6)；
The built-in hysteresis comparator for adding pi regulator of the DSP signal processing units (4), the hysteresis comparator use instantaneous value
Manner of comparison, DSP signal processing units send PMW signals to driving by comparing the voltage and current signal of input with preset value
Circuit controls the break-make of serial connection controllable silicon；
The inverter (7) includes the inverter of three-phase independence, is in series per phase inverter by two groups of inverters, every group of inversion
Device is parallel with electrical energy accumulator by four Insulated Gate Bipolar thyristor groups into H type full-controlled bridge structures, every group of inverter, per phase
Inverter load-side is equipped with voltage compensation electric capacity；
The communication unit (8) is connected with DSP signal processing units (4), communication unit (8) include RS485 communication modules (81),
RF communication modules (82) and WIFI transport modules (83).
2. a kind of New DSP utility power quality control according to claim 1 and on-Line Monitor Device, it is characterised in that：Described
Monitoring Data can be transmitted to Surveillance center, New DSP utility power quality control and can connected with on-Line Monitor Device by communication unit (8)
It is connected to Surveillance center and forms remote control network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720632342.4U CN206775133U (en) | 2017-06-02 | 2017-06-02 | A kind of New DSP utility power quality control and on-Line Monitor Device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720632342.4U CN206775133U (en) | 2017-06-02 | 2017-06-02 | A kind of New DSP utility power quality control and on-Line Monitor Device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206775133U true CN206775133U (en) | 2017-12-19 |
Family
ID=60635847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720632342.4U Expired - Fee Related CN206775133U (en) | 2017-06-02 | 2017-06-02 | A kind of New DSP utility power quality control and on-Line Monitor Device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206775133U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108772202A (en) * | 2018-04-26 | 2018-11-09 | 浙江大维高新技术股份有限公司 | One kind being based on DSP unit tandem reactor integrated manipulator |
| CN110086199A (en) * | 2019-05-05 | 2019-08-02 | 苏州阳野自动化系统有限公司 | A method of optimization inverter system |
-
2017
- 2017-06-02 CN CN201720632342.4U patent/CN206775133U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108772202A (en) * | 2018-04-26 | 2018-11-09 | 浙江大维高新技术股份有限公司 | One kind being based on DSP unit tandem reactor integrated manipulator |
| CN110086199A (en) * | 2019-05-05 | 2019-08-02 | 苏州阳野自动化系统有限公司 | A method of optimization inverter system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204012751U (en) | A kind of energy feedback type programmable electronic can be presented load device | |
| CN103091587B (en) | Energy-saving inverter test circuit and control method | |
| CN207398834U (en) | A kind of series voltage compensation device based on Power Electronic Technique | |
| CN106950512B (en) | Energy storage converter grid-connected and grid-disconnected characteristic integrated detection system and method | |
| CN102157952A (en) | Intelligent storage battery discharge energy-saving device for constant-current multi-loop feedback power grid | |
| CN206775133U (en) | A kind of New DSP utility power quality control and on-Line Monitor Device | |
| CN107769367B (en) | Distribution network medium-voltage load seamless switching device based on solid-state switch | |
| CN204515032U (en) | A kind of proving installation of energy feedback unit | |
| CN206523614U (en) | A kind of energy consumption type alternating current electronic load | |
| CN106772128B (en) | A kind of energy consumption type alternating current electronic load and its method of work | |
| CN105242221A (en) | DC feedback type DC electronic load for locomotive power supply test | |
| CN208767798U (en) | Dynamic SVG module and phase-change switch mixed type three-phase imbalance governing system | |
| CN103986308A (en) | Dynamic voltage-sharing circuit of direct-current capacitor of multilevel converter | |
| CN208767793U (en) | A kind of distribution transformer active power balancer based on electronic power convertor | |
| CN204361687U (en) | Many combined parallels static reacance generator | |
| CN204333964U (en) | A kind of static synchronous reactive compensator improving sample circuit | |
| CN209104812U (en) | A kind of energy storage unsteady flow collection control chain | |
| CN209767395U (en) | Voltage sag generator and voltage sag generating system | |
| CN203025291U (en) | Energy-saving inverter test circuit | |
| CN102347618A (en) | Three-phase energy feedback device | |
| CN201750163U (en) | Three-phase energy saving feedback load | |
| CN204361689U (en) | Intelligent reactive power compensation and harmonic treating apparatus | |
| CN205846734U (en) | The three-phase power balance device controlled based on FPGA | |
| CN104297701A (en) | Turn-off testing platform for single bridge arm in three-level H bridge converter and method thereof | |
| CN206432911U (en) | A kind of DC power-supply system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171219 |