CN207753460U - A kind of low pressure SVG multi-machine parallel connection control devices based on WIFI module - Google Patents
A kind of low pressure SVG multi-machine parallel connection control devices based on WIFI module Download PDFInfo
- Publication number
- CN207753460U CN207753460U CN201820172250.7U CN201820172250U CN207753460U CN 207753460 U CN207753460 U CN 207753460U CN 201820172250 U CN201820172250 U CN 201820172250U CN 207753460 U CN207753460 U CN 207753460U
- Authority
- CN
- China
- Prior art keywords
- low pressure
- pressure svg
- wifi module
- equipment
- host
- 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
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
- Y02E40/10—Flexible AC transmission systems [FACTS]
Landscapes
- Supply And Distribution Of Alternating Current (AREA)
Abstract
A kind of low pressure SVG multi-machine parallel connection control devices based on WIFI module, low pressure SVG equipment are connected in parallel on same section of busbar, and it is host that a low pressure SVG equipment, which is arranged, and it is slave that the low pressure SVG equipment in addition to host, which is arranged,；CT acquisition modules one end is electrically connected with busbar CT, and the CT acquisition modules other end is electrically connected with the controller of host；Each low pressure SVG equipment is also electrically connected there are one WIFI module, and WIFI module realizes that data communication is transmitted by wireless signal, is connected by the data communication transmission between each WIFI module between low pressure SVG equipment；The utility model, which provides a kind of more low pressure SVG equipment parallel operations of solution, to be there is Complementarity Problem and simplifies the low pressure SVG multi-machine parallel connection control devices based on WIFI module of wiring issue between live low pressure SVG equipment.
Description
Technical field
The utility model is related to electrical equipment technical field, more specifically a kind of low pressure SVG based on WIFI module
Multi-machine parallel connection control device.
Background technology
Low pressure SVG（Static reactive generator）It, can be quick for the state-of-the-art reactive power compensation technology of electric system at this stage
Continuous output capacitive reactive power or lagging reactive power realize that three-phase imbalance is administered, stablize network voltage, improve system
System power factor ensures power system stability, efficient operation.
At present due to being limited by IGBT technologies, low pressure SVG equipment individual capacities are little, not with power system capacity
Disconnected to increase, electric system is also continuously increased the capacity requirement of reactive power compensator, will appear dilatation, more low pressure at the scene
SVG equipment is connected in parallel on the case where same section of bus run, at this moment must increase Parallel Control, otherwise will appear between SVG equipment
Complementary situation.Multiple SVG need to be arranged individual tuning controller when starting host and slave processors, tuning controller and all
SVG is communicated, the master and slave distribution for determining SVG, and carries out reactive power distribution, this with the nothing for coordinating control
Work(compensation scheme increases hardware cost, system complex, and reliability is not high；And directly use, application No. is：
The patent application of 201710806151 .X, coordination control controller need not be arranged by providing one kind, only by mutual between SVG
Communication can be achieved with principal and subordinate's distribution and distribute reactive-load compensation electric current between host and slave, and still, communication mode is wired
Communication, connecting line are complicated.
Invention content
To solve the above problems, overcome the deficiencies in the prior art, the utility model provides a kind of more low pressure SVG of solution
There is Complementarity Problem and simplifies the low pressure based on WIFI module of wiring issue between live low pressure SVG equipment in equipment parallel operation
SVG multi-machine parallel connection control devices.
To achieve the above object, a kind of low pressure SVG multi-machine parallel connections control based on WIFI module provided by the utility model
Device, including at least two low pressure SVG equipment containing controller, the CT acquisition modules for acquiring busbar CT signals, for low
The WIFI module wirelessly communicated between pressure SVG equipment；The low pressure SVG equipment is connected in parallel on same section of busbar, setting one
Platform low pressure SVG equipment is host, and it is slave that the low pressure SVG equipment in addition to host, which is arranged,；CT acquisition modules one end and busbar
CT is electrically connected, and the CT acquisition modules other end is electrically connected with the controller of host；Each low pressure SVG equipment has also been electrically connected one
A WIFI module, the WIFI module realize that data communication is transmitted by wireless signal, pass through each WIFI between low pressure SVG equipment
Data communication transmission between module is connected.
The CT acquisition modules are CT collection plates, and the CT collection plates are converted to simulation by the busbar CT signals of acquisition
Signal or digital signal are connected with the controller of host.
Host calculates reactive command according to the CT signals of acquisition, and sends reactive command to slave by WIFI module,
Then host and slave are multiplied by respective idle distribution coefficient all in accordance with the reactive command of Framework computing and carry out reactive-load compensation；It is described
Idle distribution coefficient be a parameter that can be set inside low pressure SVG, the idle distribution coefficient of each SVG is equal to the volume of each SVG
Determine the sum of power divided by the rated power of all parallel running SVG equipment.
The utility model has the beneficial effects that：The utility model provides a kind of more low pressure SVG equipment parallel connection works of solution
There are the low pressure SVG multimachines based on WIFI module of wiring issue between Complementarity Problem and simplified live low pressure SVG equipment simultaneously in work
Control device；The low pressure SVG equipment containing controller being arranged in parallel using more, a setting wherein SVG is host, other
SVG is slave, and host SVG is connected by CT acquisition modules with busbar CT, and each low pressure SVG equipment is connected with each WIFI module；One
Platform low pressure SVG equipment acquires busbar CT, calculates reactive command, then coordinates to control other low pressure SVG equipment by WIFI module
Compensating reactive power together.
Description of the drawings：
Attached drawing 1 is the structural schematic diagram of the utility model；
Attached drawing 2 is CT collection plate operation principle circuit diagrams
Attached drawing 3 is the structural schematic diagram of the utility model embodiment 1；
Attached drawing 4 is that the signal of the utility model embodiment 1 transmits schematic diagram；
Specific implementation mode：
To keep the purpose, technical scheme and advantage that the utility model is implemented clearer, below in conjunction with the utility model
Attached drawing, the utility model is further described in more detail.
In the description to the utility model, it is to be understood that indicating position or position relationship are described as based on attached
Orientation or positional relationship shown in figure, is merely for convenience of describing the present invention and simplifying the description, rather than indicates or imply
Signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as to this
The limitation of utility model protection range.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is set
Set ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, being rotatablely connected, be slidably connected, can also be
It is detachably connected, or is integrally connected；It can be mechanical connection, can also be electrical connection；It can be directly connected, can also lead to
It crosses intermediary to be indirectly connected, can be the connection inside two elements.It for the ordinary skill in the art, can be with
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
In attached Fig. 1 and 2, a kind of low pressure SVG multi-machine parallel connection control devices based on WIFI module, including at least two contain
The low pressure SVG equipment of controller, is used for channel radio between low pressure SVG equipment at the CT acquisition modules for acquiring busbar CT signals
The WIFI module of letter, it is characterised in that：The low pressure SVG equipment is connected in parallel on same section of busbar, and a low pressure SVG is arranged
Equipment is host, and it is slave that the low pressure SVG equipment in addition to host, which is arranged,；CT acquisition modules one end is electrically connected with busbar CT,
The CT acquisition modules other end is electrically connected with the controller of host；Each low pressure SVG equipment is also electrically connected that there are one WIFI moulds
Block, the WIFI module realizes that data communication is transmitted by wireless signal, by between each WIFI module between low pressure SVG equipment
Data communication transmission be connected.
The CT acquisition modules are CT collection plates, and the CT collection plates are converted to simulation by the busbar CT signals of acquisition
Signal or digital signal are connected with the controller of host.
Host acquires the CT signals of busbar by CT acquisition modules, and calculates reactive command according to the CT signals of acquisition,
Then reactive command is sent to slave by WIFI module；Host and slave are multiplied by respectively all in accordance with the reactive command of Framework computing
Idle distribution coefficient carry out reactive-load compensation；The idle distribution coefficient is a parameter that can be set inside low pressure SVG, respectively
The general power of rated power of the idle distribution coefficient of SVG equal to each SVG divided by parallel running SVG.
Specific embodiment 1
As shown in Fig. 3, the system of 3 low pressure SVG parallel runnings, it includes power grid inlet wire, busbar CT, 1#SVG, 2#
SVG、3#SVG；3 SVG are parallel on same section of busbar；As shown in Fig. 4,1#SVG is electrically connected as host with 1#WIFI modules
It connects, 2#SVG, 3#SVG are electrically connected with 2#WIFI modules, 3#WIFI modules respectively as slave；
Its working principle is that：
1#SVG acquires inlet wire CT signals by CT collection plates, and the busbar CT signals of acquisition are converted to number by CT collection plates
The controller that 1#SVG is transmitted to after signal calculates reactive command, and by 1#WIFI modules to 2#WIFI modules, 3#WIFI moulds
Block sends reactive command information；
Then 1#SVG, 2#SVG and 3#SVG all in accordance with this reactive command be multiplied by respective idle distribution coefficient carry out it is idle
Compensation.
Above example is only that preferred embodiments of the present invention are described, not to the utility model
Range is defined, and under the premise of not departing from this implementation new design spirit, this field ordinary engineering and technical personnel is to this reality
The various modifications and improvement that the novel technical solution of row is made should all fall into the protection that claims of the utility model determine
Range.
It is those skilled in the art known technology in addition to technical characteristic described in specification.
Claims (2)
1. a kind of low pressure SVG multi-machine parallel connection control devices based on WIFI module, include at least two low pressure SVG containing controller
Equipment, the CT acquisition modules for acquiring busbar CT signals, the WIFI module for being wirelessly communicated between low pressure SVG equipment,
It is characterized in that：The low pressure SVG equipment is connected in parallel on same section of busbar, and it is host, setting that a low pressure SVG equipment, which is arranged,
Low pressure SVG equipment in addition to host is slave；CT acquisition modules one end is electrically connected with busbar CT, the CT acquisition module other ends
It is electrically connected with the controller of host；Each low pressure SVG equipment is also electrically connected there are one WIFI module, and the WIFI module is logical
It crosses wireless signal and realizes data communication transmission, pass through the data communication transmission phase between each WIFI module between low pressure SVG equipment
Connection.
2. the low pressure SVG multi-machine parallel connection control devices based on WIFI module as described in claim 1, it is characterised in that described
CT acquisition modules are CT collection plates, and the CT collection plates are converted to analog signal by the busbar CT signals of acquisition or number is believed
Number it is connected with the controller of host.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820172250.7U CN207753460U (en) | 2018-02-01 | 2018-02-01 | A kind of low pressure SVG multi-machine parallel connection control devices based on WIFI module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820172250.7U CN207753460U (en) | 2018-02-01 | 2018-02-01 | A kind of low pressure SVG multi-machine parallel connection control devices based on WIFI module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207753460U true CN207753460U (en) | 2018-08-21 |
Family
ID=63154432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820172250.7U Active CN207753460U (en) | 2018-02-01 | 2018-02-01 | A kind of low pressure SVG multi-machine parallel connection control devices based on WIFI module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207753460U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110994636A (en) * | 2019-12-24 | 2020-04-10 | 新风光电子科技股份有限公司 | SVG multi-machine parallel system based on CAN bus and carrier synchronization control method thereof |
-
2018
- 2018-02-01 CN CN201820172250.7U patent/CN207753460U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110994636A (en) * | 2019-12-24 | 2020-04-10 | 新风光电子科技股份有限公司 | SVG multi-machine parallel system based on CAN bus and carrier synchronization control method thereof |
| CN110994636B (en) * | 2019-12-24 | 2022-03-22 | 新风光电子科技股份有限公司 | SVG multi-machine parallel system based on CAN bus and carrier synchronization control method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106887856B (en) | Three-phase unbalance adjustment control method and device and three-phase unbalance adjustment system | |
| CN104953625B (en) | Secondary voltage control based reactive power distribution method for distributed power supplies in micro-grid | |
| CN103368432B (en) | The modulator approach of flexible DC power transmission modularization multi-level converter and control device | |
| CN103345162A (en) | Power level digital-analog hybrid simulation system | |
| CN102280891B (en) | Static var generator (SVG) device parallel running control system and method based on optical fiber high speed communication | |
| CN207753460U (en) | A kind of low pressure SVG multi-machine parallel connection control devices based on WIFI module | |
| CN103986167A (en) | Reactive compensation device and reactive compensation method | |
| CN109103906A (en) | A kind of three-phase power distribution system and three-phase imbalance compensation device | |
| CN103713563B (en) | A kind of megawatt converter parallel control method and system | |
| CN102832713B (en) | CAN (controller area network) bus based distribution automation terminal and analog quantity acquisition method thereof | |
| CN104935156B (en) | A kind of dynamic current equalizing control method and circuit | |
| CN104297547B (en) | Distributed load current sensing system | |
| CN207098621U (en) | A kind of central controlled power distribution station mixing compensation system and active compensation module | |
| CN103019182B (en) | The electrical parallel system of a kind of current-sharing control method and application the method | |
| CN208767798U (en) | Dynamic SVG module and phase-change switch mixed type three-phase imbalance governing system | |
| CN208623392U (en) | A kind of complex electric energy comprehensive quality control device | |
| CN205231540U (en) | Intelligence hot plug power is listed as cabinet | |
| CN209169965U (en) | Low-voltage network active passive mixes uneven controlling device | |
| CN108718100A (en) | A kind of centralization quick-charging circuit and system | |
| CN207098620U (en) | The mixed compensation device and its integrated controller and active compensation module of master ＆ slave control | |
| CN204595091U (en) | A kind of Multifunctional three-phase electric energy table of mutual inductor integral type | |
| CN205961111U (en) | Shortwave switching matrix sharing system with wireless blind function of inserting | |
| CN110374577A (en) | Oil well digital remote cluster control system | |
| CN202772596U (en) | Three-phase current unbalance compensation system based on capacitive regulation | |
| CN105811440B (en) | A kind of power distribution network multifunction power element and its control method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |