CN207283172U - The control of reactive power compensating group network system - Google Patents
The control of reactive power compensating group network system Download PDFInfo
- Publication number
- CN207283172U CN207283172U CN201720871549.7U CN201720871549U CN207283172U CN 207283172 U CN207283172 U CN 207283172U CN 201720871549 U CN201720871549 U CN 201720871549U CN 207283172 U CN207283172 U CN 207283172U
- Authority
- CN
- China
- Prior art keywords
- intelligent electric
- electric power
- power capacitance
- master controller
- input terminal
- 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
- Y02E40/30—Reactive power compensation
Landscapes
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The utility model discloses a kind of the control of reactive power compensating group network system, it is characterized in that, it includes current transformer, a master controller and the multiple intelligent electric power capacitance modules for being used to gather the running current of power grid, connected between those intelligent electric power capacitance modules and between the master controller and the intelligent electric power capacitance module by fieldbus, the master controller and those intelligent electric power capacitance modules are connected with power grid busbar, which is connected with the current transformer.Using the system, without manual intervention, the actual capacity of each intelligent electric power capacitance module is carried out system amendment automatically, and the optimum capacity step-length set originally according to system carries out integration merging, so as to form new reactive compensation control system, anti-locking system throw in-of oscillation, endangers distribution system.
Description
Technical field
The utility model is mainly used in reactive-load compensation field, more particularly to a kind of the control of reactive power compensating group network system.
Background technology
Current low-pressure reactive compensation it is main or by electric capacitor come compensating reactive power, indicated in control system per road
Compensation capacity is normal capacity, and the capacity of electric capacitor can decay with working time and work power grid environment, when control is
When the sign capacity of system differs greatly with electric capacitor actual capacity, control system vibrates the unstable of change, when serious
Whole distribution system can be endangered.
Utility model content
The utility model is in view of the problems of the existing technology and insufficient, there is provided a kind of the control of reactive power compensating group network system,
Using the system, without manual intervention, the actual capacity of each intelligent electric power capacitance module is carried out system amendment automatically, and
The optimum capacity step-length set originally according to system carries out integration merging, so as to form new reactive compensation control system, prevents
System throw in-of oscillation, endangers distribution system.
The utility model is to solve above-mentioned technical problem by following technical proposals：
The utility model provides a kind of the control of reactive power compensating group network system, its feature is, it includes one and is used to gather electricity
The current transformer of the running current of net, a master controller and multiple intelligent electric power capacitance modules, those intelligent electric power capacitance moulds
Connected between block and between the master controller and the intelligent electric power capacitance module by fieldbus, the master controller and those
Intelligent electric power capacitance module is connected with power grid busbar, which is connected with the current transformer.
It is preferred that the intelligent electric power capacitance module inside include signal sample circuit, operating passing zero switch, electric capacitor,
Temperature measurement circuit, microprocessor and communication unit；
The power grid busbar main circuit respectively enters the input of the input terminal and the signal sample circuit of operating passing zero switch
End, the output terminal of operating passing zero switch are connected to the input terminal of the electric capacitor, and the output terminal of the electric capacitor connects the survey
The input terminal of circuit temperature, the output terminal of the temperature measurement circuit and the output terminal of the signal sample circuit are all connected with the defeated of the microcontroller
Enter end, operating passing zero switch connects the microcontroller, which connects the communication unit, and it is existing which connects this
Field bus.
On the basis of common knowledge of the art, above-mentioned each optimum condition, can be combined, up to the utility model respectively compared with
Good example.
The positive effect of the utility model is：
Using the control of reactive power compensating group network system, the capacity of the electric capacitor of decay can be carried out system amendment weight
Group, turns parts into the whole, and makes the system stable and reliable in work, and anti-locking system throw in-of oscillation, endangers distribution system.
Brief description of the drawings
Fig. 1 is the structure diagram of the control of reactive power compensating group network system of the utility model preferred embodiment.
Fig. 2 is the structure diagram of the intelligent electric power capacitance module of the utility model preferred embodiment.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, those of ordinary skill in the art's all other embodiments obtained on the premise of creative work is not made, all belong to
In the scope of the utility model protection.
As shown in Figure 1, the present embodiment provides a kind of the control of reactive power compensating group network system, it includes a master controller 1, multiple
Intelligent electric power capacitance module 2 and one is used for the current transformer 5 for gathering the running current of power grid, those intelligent electric power capacitance modules
Connected between 2 and between the master controller 1 and the intelligent electric power capacitance module 2 by fieldbus 3,1 He of master controller
Those intelligent electric power capacitance modules 2 are connected with power grid busbar 4, which is connected with the current transformer 5.
The master controller 1 carries out data sampling by current transformer 5 to the running current of power grid, with reference to power grid busbar electricity
Pressure sampling calculates the operation data of power grid, such as voltage, electric current, active power, reactive power, power factor.
Those intelligent electric power capacitance modules 2 carry out networking note automatically by fieldbus 3 to the master controller 1 after the power is turned on
Volume, which distributes different addresses to the intelligent electric power capacitance module 2 of registration, after being assigned, automatic regular polling system
In all intelligent electric power capacitance modules 2 operation information.
As shown in Fig. 2, the inside of the intelligent electric power capacitance module 2 includes signal sample circuit, operating passing zero switch, electric power
Capacitance, temperature measurement circuit, microprocessor and communication unit；Power grid busbar main circuit respectively enters the input terminal of operating passing zero switch
With the input terminal of the signal sample circuit, the output terminal of operating passing zero switch is connected to the input terminal of the electric capacitor, the electricity
The output terminal of power capacitance connects the input terminal of the temperature measurement circuit, the output terminal of the temperature measurement circuit and the output of the signal sample circuit
End is all connected with the input terminal of the microcontroller, and operating passing zero switch connects the microcontroller, which connects the communication
Unit, communication unit connection fieldbus.
Voltage bus signal enters the microprocessor, the microprocessor after the signal sample circuit is adjusted filtering
Carry out Data Management Analysis；The electric capacitor temperature sensing is output to the input terminal of the temperature measurement circuit, the output of the temperature measurement circuit
End is connected to the input terminal of the microprocessor；Operating passing zero switch zero passage synchronizing signal is output to the input of the microprocessor
End, while microprocessor control I/O is output to the control signal of operating passing zero switch；The output terminal of the microprocessor connects
The communication unit input terminal is connected to, which is output to the fieldbus.
Multiple intelligent electric power capacitance modules are by fieldbus and master controller forming control system, this networking process
It is automatically performed, specifically：Each intelligent electric power capacitance module begins to put monomark after the power is turned on, sends and notes to fieldbus
Volume frame, registered frame include 96 ID, intelligent electric power capacitance module type and the capacitance information of intelligent electric power capacitance module；Often
Whether one intelligent electric power capacitance module judges to send succeeds, and the follow-up supervention that is delayed when unsuccessful is sent untill sending successfully；Hair
The acknowledgement frame for then waiting master controller to issue this module after after sending successfully.
Master controller sends acknowledgement frame, acknowledgement frame after registered frame is received, to corresponding intelligent electric power capacitance module
96 ID of corresponding intelligent electric power capacitance module and the address of distribution are contained, and by the address of the ID of 96 and distribution one by one
Associate to form registration table.
Master controller is polled those intelligent electric power capacitance modules according to registration table, and judges the intelligence electricity of current poll
Power capacitance module whether normal response, if the non-normal response of intelligent electric power capacitance module, time-out count add 1, when time-out count
After number reaches certain value, master controller removes the intelligent electric power capacitance module of time-out from registration table；If intelligent electric power is electric
Molar block normal response, the actual compensation capacity of intelligent electric power capacitance module, current state, capacitance temperature are contained in reply data
The information such as degree, master controller contrast the capacity in actual capacitance capacity and registration table, judge the intelligent electric power capacitance of current poll
When whether the actual compensation capacity of module decays to setting value, after setting value is decayed to, the intelligence of current poll in registration table
Energy electric capacitor module puts restructuring mark, and records actual compensation capacity.
The restructuring label information of each intelligent electric power capacitance module of registration table is inquired about in master controller timing, with restructuring mark
The intelligent electric power capacitance module of note is put into restructuring list, in list is recombinated, is matched according to the actual compensation capacity of record
The combination intelligent electric capacitor module that capacity is suitable before decaying with a certain intelligent electric power capacitance module, updates thereafter switching list.
Such as：Former module capacity is 30kvar, decays to 15kvar now, and recombinates the mould for having 10kvar and 8kvar in list at this time
Block, just combines these three module capacities, forms the combination of 33kvar, forms combination and mainly logically associates
Come, the throwing at the same time of module that main controller controls associate or cut at the same time, can so reach the effect physically combined.
The control of reactive power compensating group network system of the utility model, coordinates control reactive compensation system to power grid by master controller
Reactive-load compensation is carried out, and in compensation process, monitors each intelligent electric power capacitance module operating parameter, and then adjust compensation side
Formula.
The reactive compensation system of the utility model employs the networking mode of intelligent electric power capacitance module plug and play, significantly
Improve in-site installation and debugging efficiency.Each intelligent electric power capacitance module has 96 globally unique condition codes, networking
Journey is exactly that each intelligent electric power capacitance module is registered to 96 condition codes of master controller transmission, and master controller can distribute control
The unique address of system gives intelligent electric power capacitance module, when multiple intelligent electric power capacitance modules send log-on message at the same time, leads to
Cross fieldbus arbitration, the intelligent electric power capacitance module of low priority exits, so until all intelligent electric power capacitance modules all
Complete registration.
In system work process, master controller can be included according to registration order automatic regular polling module information, polling message
The operating status of module, actual compensation capacity and run time.Intelligent electric power capacitance module time-out dont answer is corresponded to during poll,
Then judge that this intelligent electric power capacitance module communication failure or intelligent electric power capacitance module send event of failure, master controller just
This intelligent electric power capacitance module is rejected from registration table.
It is main when the capacity of intelligent electric power capacitance module can be decayed to below certain value with the time in compensation process
Two or three intelligent electric power capacitance module capacity are combined merging by controller in logic, are combined using former module capacity as mesh
Mark reference, forms into a group by a group, and master controller is when switching controls, the module while switching of merging, to reach physically
Merge effect.
Although the foregoing describing specific embodiment of the present utility model, it will be appreciated by those of skill in the art that
These are merely illustrative of, and the scope of protection of the utility model is defined by the appended claims.Those skilled in the art
Member can make these embodiments numerous variations or repair on the premise of the principle and essence without departing substantially from the utility model
Change, but these change and modification each fall within the scope of protection of the utility model.
Claims (2)
1. a kind of the control of reactive power compensating group network system, it is characterised in that it includes an electricity for being used to gather the running current of power grid
Current transformer, a master controller and multiple intelligent electric power capacitance modules, between those intelligent electric power capacitance modules and the master control
Connected between device processed and the intelligent electric power capacitance module by fieldbus, the master controller and those intelligent electric power capacitance modules
It is connected with power grid busbar, which is connected with the current transformer.
2. the control of reactive power compensating group network system as claimed in claim 1, it is characterised in that inside the intelligent electric power capacitance module
Including signal sample circuit, operating passing zero switch, electric capacitor, temperature measurement circuit, microprocessor and communication unit；
The power grid busbar main circuit respectively enters the input terminal of operating passing zero switch and the input terminal of the signal sample circuit, should
The output terminal of operating passing zero switch is connected to the input terminal of the electric capacitor, and the output terminal of the electric capacitor connects the temperature measurement circuit
Input terminal, the output terminal of the temperature measurement circuit and the output terminal of the signal sample circuit be all connected with the input terminal of the microprocessor,
Operating passing zero switch connects the microprocessor, which connects the communication unit, and it is total which connects the scene
Line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720871549.7U CN207283172U (en) | 2017-07-18 | 2017-07-18 | The control of reactive power compensating group network system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720871549.7U CN207283172U (en) | 2017-07-18 | 2017-07-18 | The control of reactive power compensating group network system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207283172U true CN207283172U (en) | 2018-04-27 |
Family
ID=61985409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720871549.7U Active CN207283172U (en) | 2017-07-18 | 2017-07-18 | The control of reactive power compensating group network system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207283172U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108594022A (en) * | 2018-05-25 | 2018-09-28 | 杭州得诚电力科技股份有限公司 | A kind of intelligent capacitor automatization test system and method |
-
2017
- 2017-07-18 CN CN201720871549.7U patent/CN207283172U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108594022A (en) * | 2018-05-25 | 2018-09-28 | 杭州得诚电力科技股份有限公司 | A kind of intelligent capacitor automatization test system and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107221939B (en) | The control of reactive power compensating group network system and its capacity diffused integration compensation method | |
| CN107656467A (en) | A kind of method based on Internet of Things Distribution Management System and its on-line monitoring | |
| CN105322660B (en) | The long-range control method and device of distribution communication apparatus | |
| CN110445700A (en) | Slave communication system, method and terminal device | |
| CN106227689A (en) | A kind of based on Internet of Things and the data collection station of cloud | |
| CN102496955B (en) | Intelligent photovoltaic system and method for data detection and transmission | |
| CN207283172U (en) | The control of reactive power compensating group network system | |
| CN103413169B (en) | A kind of counter device and method of counting | |
| CN102122430A (en) | Device and method for collecting agricultural product information | |
| CN109120063A (en) | A kind of plug & play sensor monitoring method and its system and acquisition unit | |
| CN111611255A (en) | Equipment energy consumption energy-saving management method and device, terminal equipment and storage medium | |
| CN106850284A (en) | A kind of smart jack management method and its managing device, a kind of Cloud Server | |
| CN103607051B (en) | A kind of transformer station's enlargement method and system | |
| CN102710025A (en) | Power system communication device and method | |
| CN207232677U (en) | A kind of more MCU data interactions intelligent acquisition devices | |
| CN205229729U (en) | Garbage bin supervisory systems | |
| CN206313528U (en) | A kind of distribution automation system of integrated marketing automation system | |
| CN206209885U (en) | A kind of power automation distributed information acquisition system | |
| CN104931099A (en) | Environmental monitoring device and method of electronic transformer | |
| CN212460351U (en) | Heterogeneous signal acquisition and processing device | |
| CN205356368U (en) | Real -time cloud monitored control system of network information | |
| CN107968414A (en) | A kind of intelligence SVG dynamic passive compensation systems | |
| CN204967865U (en) | Quantity monitor terminal and system and disposal bag are provided to disposal bag | |
| CN209496279U (en) | Internet of things equipment control circuit, device and electronic product | |
| CN107171440B (en) | System for collecting electrical data of switch cabinet by intelligent transformer terminal and collecting method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Reactive compensation control networking system and capacity dispersion integration compensation method thereof Effective date of registration: 20200121 Granted publication date: 20180427 Pledgee: Bank of Communications Ltd. Wuxi branch Pledgor: JIANGYIN SFERE ELECTRIC Co.,Ltd. Registration number: Y2020320010004 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220725 Granted publication date: 20180427 Pledgee: Bank of Communications Ltd. Wuxi branch Pledgor: JIANGYIN SFERE ELECTRIC Co.,Ltd. Registration number: Y2020320010004 |