CN208781015U - Take into account the controller of the UPQC device of telecommunication - Google Patents
Take into account the controller of the UPQC device of telecommunication Download PDFInfo
- Publication number
- CN208781015U CN208781015U CN201820702458.5U CN201820702458U CN208781015U CN 208781015 U CN208781015 U CN 208781015U CN 201820702458 U CN201820702458 U CN 201820702458U CN 208781015 U CN208781015 U CN 208781015U
- Authority
- CN
- China
- Prior art keywords
- module
- dsp
- telecommunication
- controller
- account
- 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
- Inverter Devices (AREA)
Abstract
The utility model provides a kind of controller of UPQC device for taking into account telecommunication, including data acquisition module, temperature detecting module, Keysheet module, LCD display module, auxiliary ARM module, the first DSP module, the second DSP module, remote communication module, series converter drive module, parallel converters drive module, power module, external clock module;The utility model can reduce or eliminate the adverse effect to environment using modular structure, disassembly, recycling and processing after facilitating reuse, upgrading, maintenance and product abandonment.
Description
Technical field
The utility model relates to electronic technology fields, more specifically, being related to a kind of UPQC device for taking into account telecommunication
Controller.
Background technique
Electric energy regulator (UPQC) combines APF series connection and function in parallel, can improve quality of voltage but also change
Kind current quality, has multiple power quality regulatory function, is the recent tendency of custom power technology development.Many states in recent years
This new device that can solve a variety of power quality problems has all been studied by family, domestic on the basis of Basic Topological
Outer scientific research personnel is needed according to the difference, function and capacity of use environment and cost-effectiveness, to certain function moulds therein
Block is supplemented, is improved, and keeps device more perfect.
UPQC device has the disadvantage in that 1) volume is big mostly in the practical application of power distribution network currently on the market, unfavorable
In integrated, maintenance, update;2) general all only self to detect and complete local power quality controlling work, i.e., only have and a little controls
Reason ability does not have a wide range of coordination Governance Ability;3) do not have communication function or mechanics of communication means more to fall behind, be unfavorable for
Realize the networking regulation of distribution network electric energy quality;4) most of to be used for data processing only with a CPU, realize human-computer interaction
Etc. functions, speed is relatively slow, can not more quickly respond to control signal.
Summary of the invention
The technical purpose of the utility model be overcome in the prior art UPQC device do not have communication function and be not easy to tie up
The problem of repairing and updating upgrading, to provide a kind of controller of UPQC device easy to repair and taking into account telecommunication.
To realize the above technical purpose, the technical solution of the utility model is: a kind of UPQC device for taking into account telecommunication
Controller, including data acquisition module, temperature detecting module, Keysheet module, LCD display module, auxiliary ARM module, first
DSP module, the second DSP module, remote communication module, series converter drive module, parallel converters drive module, power supply mould
Block, external clock module;
The power module is connect with the first DSP module, the second DSP module, ARM supplementary module respectively;When described external
Clock module is connect with the first DSP module, the second DSP module, ARM supplementary module respectively;The data acquisition module is respectively with
One DSP module, the connection of the second DSP module;The temperature detecting module is connect with auxiliary ARM module;The auxiliary ARM module point
It is not connect with the first DSP module, the second DSP module by SCI communication mode;The auxiliary ARM module also respectively with keyboard mould
Block, LCD display module, remote communication module connection;First DSP module is connect with series converter drive module;It is described
Second DSP module is connect with parallel converters drive module.
Further, the data acquisition module includes three-phase and neutral conductor voltage and current signal acquisition channel interface, letter
Number conditioning circuit, programmable amplifying circuit, filter circuit, A/D converter, the three-phase and the acquisition of neutral conductor voltage and current signal are logical
The output of pipeline joint terminates the input terminal of the signal conditioning circuit, the output termination programming amplifying electricity of the signal conditioning circuit
The input terminal on road, the output of the programmable amplifying circuit terminate filter circuit, and the output of the filter circuit terminates A/D converter
Input terminal.
Further, the remote communication module includes 4G communication unit and ethernet network communication unit, and the 4G is logical
Believe that unit includes USB interface, 4G communication module, the auxiliary ARM module, USB interface, 4G communication module are sequentially connected;It is described
Ethernet network communication unit includes network card chip, network interface card isolating transformer, RJ45 interface, the auxiliary ARM module, network interface card core
Piece, network interface card isolating transformer, RJ45 interface are sequentially connected.
Further, the series converter drive module, parallel converters drive module are separately connected the UPQC dress
Series converter, parallel converters in setting.
Further, the three-phase and neutral conductor voltage and current signal acquisition channel interface are for acquiring simultaneously conversion line three
Mutually and neutral conductor voltage and current signal, the three-phase and neutral conductor voltage and current signal acquisition channel interface include 4 voltage realities
When the acquisition channel interface and real-time acquisition channel interface of 4 electric currents.
Further, the A/D converter is made of 2 MAX125AEAX chips.
Further, first DSP module, the second DSP module are all made of TMS320F28335.
Further, the auxiliary ARM module uses the Cortex-M3 microcontroller of LPC1768 model.
The controller of the UPQC device for taking into account telecommunication of the utility model, has the advantages that
1, the utility model is designed using modular structure, by data acquisition, temperature detection, display, telecommunication mould
It is integrated that the circuit structure of block, series converter driving, parallel converters driving etc. carries out modularization respectively, so that modules have
There is independence, when one of module failure, it is only necessary to the malfunctioning module is repaired, repair density is greatly reduced, it is such
On the one hand modular structure can shorten research and development of products and manufacturing cycle, increase product line, improve product quality, quickly answer
To turn of the market;On the other hand the adverse effect to environment can also be reduced or eliminated, reuse, upgrading, maintenance and product are facilitated
Disassembly, recycling and processing after discarded.
2, the utility model adds data acquisition module, using in data acquisition module signal conditioning circuit, program-controlled put
The circuits such as big circuit, filter circuit, A/D converter improve collected analogue data, are amplified, being filtered, A/D is converted etc.
Signal processing, by collected analog signal be transformed to be used for data acquisition, control process, execute calculate display read or other
The digital signal of purpose, is then transmitted again, can greatly improve the anti-interference ability of data transmission in this way, is solved random
, with wind speed change power inject power grid, the power quality (voltage fluctuation, harmonic wave, voltage deviation etc.) to power grid is caused
The problem of complex effects.
3, the utility model controls series converter drive module using the first DSP module, using the second DSP module come
Control parallel converters drive module, at the same assist ARM module by SCI interface read monitoring result and control keyboard module,
The real-time response of LCD display module and remote communication module.This working method improves the working efficiency of CPU, in realization pair
The speed of human-computer interaction and uploading detection data is not influenced while the quick control of UPQC device, and is convenient to future feature
The extension of module.
4, the utility model uses the design of remote communication module, utilizes building for 4G communication and ethernet network communication
UPQC device region is to system communication cluster, i.e., in different place installation UPQC device, the controller by UPQC device
Remote communication module builds system communication group system, real convenient for carrying out the UPQC device data of different regions and control data
Transmission is applied, establishes concentrating type distributed generation resource or generation of electricity by new energy factory jointly.
5, the utility model adds temperature detecting module, and the temperature of entire circuit is detected using temperature detecting module, real
The existing excessively high protection of temperature.
6, the clock module of the first DSP module, the second DSP module, ARM supplementary module is all integrated by the utility model
In external clock module, that is, the design structure of external harmoniousness is used, the first DSP module, the 2nd DSP mould on the one hand can be simplified
On the other hand the circuit structure of block, ARM supplementary module can be unified to carry out clock setting management, facilitate operation, it is easy to repair with
Debugging.
7, a total of 36 road pwm signal output interface of two pieces of DSP modules that the utility model uses can realize two
There are certain pwm signal output interfaces for extending function while the control of three-level inverters switching tube.
8, the utility model is designed using modular structure, carries out upgrading update to modules convenient for the later period, significantly
Improve the ductility of the controller of entire UPQC device.
The additional aspect of the utility model and advantage will be set forth in part in the description, partially will be from following description
In become obvious, or recognized by the practice of the utility model.
Detailed description of the invention
Fig. 1 is the modular construction block diagram of utility model;
Fig. 2 is the composition schematic diagram of data acquisition module in utility model;
Fig. 3 is the composition schematic diagram of the remote communication module of the utility model;
Fig. 4 is the circuit diagram of the A/D converter of the utility model;
Fig. 5 is the partial circuit schematic diagram of the parallel converters drive module of the utility model;
Fig. 6 is the circuit diagram of the RJ45 interface of the utility model;
Fig. 7 is the circuit diagram of the auxiliary ARM module of the utility model;
In figure, 1, data acquisition module;2, temperature detecting module;31, series converter drive module;32, unsteady flow in parallel
Device drive module;41, external clock module;42, power module;5, Keysheet module;6, LCD display module;7, telecommunication mould
Block;8, ARM module is assisted;9, the first DSP module;10, the second DSP module;11, signal acquisition interface;12, signal condition electricity
Road;13, programmable amplifying circuit;14, filter circuit;15, A/D converter;16, external crystal oscillation circuit;
71,4G communication unit;72, ethernet network communication unit;711, USB interface;712,4G communication module;721, net
Card chip;722, network interface card isolating transformer;723, RJ45 interface.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation.
In one embodiment of the utility model, as shown in figs. 1-7, a kind of control of UPQC device that taking into account telecommunication
Device, including data acquisition module 1, temperature detecting module 2, Keysheet module 5, LCD display module 6, auxiliary ARM module 8, for controlling
First DSP module 9 of series resonant inverter bridge processed, the second DSP module 10 for controlling parallel inverter bridge, remote communication module 7, string
Join current transformer drive module 31, parallel converters drive module 32, power module 42, external clock module 41.
Power module 42 is connect with the first DSP module 9, the second DSP module 10, ARM supplementary module respectively, is this 3 CPU
Module for power supply.
External clock module 41 is connect with the first DSP module 9, the second DSP module 10, ARM supplementary module respectively, give this 3
A CPU module provides external clock, the design structure integrated using external clock, on the one hand can simplify the first DSP module, the
On the other hand circuit structure inside two DSP modules, ARM supplementary module can be unified to carry out clock setting management, facilitate behaviour
Make, easy to repair and debugging.
Data acquisition module 1 is connect with the first DSP module 9, the second DSP module 10 respectively.Temperature detecting module 2 and auxiliary
ARM module 8 connects, and temperature detecting module 2 can select external AD590 to measure environment temperature, realizes the excessively high protection of temperature.
Auxiliary ARM module 8 is connect with the first DSP module 9, the second DSP module 10 by SCI communication mode respectively.
Auxiliary ARM module 8 is also connect with Keysheet module 5, LCD display module 6, remote communication module 7 respectively.LCD is shown
Module 6 uses TG12864B-03T interface, realizes the function of real-time display monitoring data.
First DSP module 9 is connect with series converter drive module 31, for exporting the driving signal of IGBT switching tube.
Second DSP module 10 is connect with parallel converters drive module 32, for exporting the driving signal of IGBT switching tube.
Working principle: three-phase and the acquisition of neutral conductor voltage and current acquisition channel interface 11 and conversion line three-phase and the neutral conductor
These collected signals are successively transferred to signal conditioning circuit 12, programmable amplifying circuit 13, filtered electrical by voltage and current signal
The data processings such as signal condition, amplification, filtering, A/D are carried out after road 14, A/D converter 15, are then transferred to the first DSP respectively
Module 9, the second DSP module 10 carry out processing analysis to data by the first DSP module 9 and the second DSP module 10 and obtain real-time prison
Control is as a result, the first DSP module 9 generates the PWM modulation signal of series converter, the 2nd DSP according to series converter control strategy
Module 10 generates the PWM modulation signal of parallel converters according to parallel converters;Series and parallel current transformer in UPQC device receives
It is acted accordingly after to corresponding PWM modulation signal, meanwhile, ARM supplementary module 8 passes through asynchronous serial port SCI communication mode
It interacts and communicates with the first DSP module 9, the second DSP module 10, and by the first DSP module 9, after collected data
Two DSP modules 10 issue control instruction and are shown by display module, and are transferred to remote server by remote communication module.
The utility model uses three CPU architectures, is handled respectively by the first DSP module and the second DSP module collected
Voltage, current signal export the driving signal of series converter and parallel converters according to corresponding control strategy, simultaneously respectively
ARM module is assisted to read monitoring result and control keyboard module, LCD display module and remote communication module by SCI interface
Real-time response.This working method improves the working efficiency of CPU, is realizing on not influencing people while the quick control of UPQC
The interactive speed with uploading detection data of machine, and it is convenient to the extension of future feature module.
In another embodiment of the utility model, data acquisition module 1 includes that three-phase and neutral conductor voltage and current signal are adopted
Collect channel interface, signal conditioning circuit 12, programmable amplifying circuit 13, filter circuit 14, A/D converter 15, three-phase and the neutral conductor
The input terminal of the output termination signal conditioning circuit 12 of voltage and current signal acquisition channel interface, the output of signal conditioning circuit 12
Terminate the input terminal of programmable amplifying circuit 13, the output of programmable amplifying circuit 13 terminates filter circuit 14, filter circuit 14 it is defeated
The input terminal of A/D converter 15 is terminated out.
When work, converted using signal conditioning circuit, programmable amplifying circuit, filter circuit, the A/D in data acquisition module
The signal processings such as the circuits such as device improve collected analogue data, amplify, filtering, A/D is converted, by collected simulation
Signal be transformed to for data acquisition, control process, execute calculate display read or other purposes digital signal, then again into
Row transmission, can greatly improve the anti-interference ability of data transmission in this way, solve power injection electricity that is random, changing with wind speed
Net, the problem of power quality (voltage fluctuation, harmonic wave, voltage deviation etc.) to power grid is caused into complex effects.
In another embodiment of the utility model, remote communication module 7 includes 4G communication unit 71 and ethernet network
Communication unit 72,4G communication unit 71 include USB interface 711,4G communication module 712, auxiliary ARM module 8, USB interface 711,
4G communication module 712 is sequentially connected;Ethernet network communication unit 72 include network card chip 721, network interface card isolating transformer 722,
RJ45 interface 723, auxiliary ARM module 8, network card chip 721, network interface card isolating transformer 722, RJ45 interface 723 are sequentially connected.
Wherein, 4G communication is connected to 4G communication module by the USB interface on auxiliary ARM module LPC1768 and (can select
SIM7100C-PCIE4G-LTE communication module) carry out wireless telecommunication;Ethernet network communication passes through auxiliary ARM module
Ethernet controller in LPC1768 chip is connected to network card chip DP83848C, is connected to by network interface card isolating transformer
RJ45 interface is connected for cable.
The utility model realizes 4G wireless communication using 4G communication and two kinds of communication modes of ethernet network communication
Function, no wiring limitation, can using with various distribution environment, such as office buildings, house, all kinds of manufacturing enterprise workshops, help
In the network regulation for pushing distribution data network monitoring and UPQC.
It can also be communicated using 4G and to system communication cluster, i.e., ethernet network communication builds UPQC device region
UPQC device is installed in different places, system communication cluster system is built by the remote communication module in the controller of UPQC device
System establishes concentrating type distributed electrical convenient for the UPQC device data of different regions and control data are carried out implementation transmission jointly
Source or generation of electricity by new energy factory.
In another embodiment of the utility model, series converter drive module 31, parallel converters drive module 32
Series converter, the parallel converters being separately connected in UPQC device.
In another embodiment of the utility model, three-phase and neutral conductor voltage and current signal acquisition channel interface are for adopting
Collect and conversion line three-phase and neutral conductor voltage and current signal, including the real-time acquisition channel interface of 4 voltages and 4 electric current realities
When acquisition channel interface.
In another embodiment of the utility model, A/D converter 15 is made of 2 MAX125AEAX chips.
In another embodiment of the utility model, the first DSP module 9, the second DSP module 10 are all made of
TMS320F28335.TMS320F28335 is 32 floating point processors, have 18 tunnels PWM export and 12 16 channel ADC, the device
The precision of part is high, at low cost, small power consumption, and performance is high, and peripheral hardware integrated level is high, and data and program amount of storage are big, and A/D is converted more
It is accurate quick, meet the functionality and cost-effectiveness requirement of the present apparatus.
A total of 36 road pwm signal output interface of two pieces of DSP modules can realize two three-level inverters switching tubes
Control while there are certain pwm signal output interfaces for extending function.
In another embodiment of the utility model, auxiliary ARM module 8 is micro- using the Cortex-M3 of LPC1768 model
Controller, working frequency, 512KB flash memory of tall and big 120MHz etc. meet the functionality and cost-effectiveness requirement of the present apparatus.
The utility model using modular structure design, by data acquisition, temperature detection, display, remote communication module,
The circuit structure of series converter driving, parallel converters driving etc. carries out modularization respectively and integrates, so that modules have
Independence, when one of module failure, it is only necessary to repair the malfunctioning module, greatly reduce repair density, such mould
On the one hand the structure of block can shorten research and development of products and manufacturing cycle, increase product line, improve product quality, quickly cope with
Turn of the market;On the other hand the adverse effect to environment can also be reduced or eliminated, facilitates reuse, upgrading, maintenance and product useless
Disassembly, recycling and processing after abandoning, greatly improve the ductility of the controller of entire UPQC device.When needing to be updated,
It only needs to replace original module after updating the module, so that it may realize that the upgrading of product updates.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it should not be understood as limiting the present invention, those skilled in the art are not departing from the utility model
Principle and objective in the case where above-described embodiment can be changed in the scope of the utility model, modify, replace and
Modification.The scope of the utility model is extremely equally limited by appended claims.
Claims (8)
1. taking into account the controller of the UPQC device of telecommunication, it is characterised in that: including data acquisition module, temperature detection mould
Block, Keysheet module, LCD display module, auxiliary ARM module, the first DSP module, the second DSP module, remote communication module, series connection
Current transformer drive module, parallel converters drive module, power module, external clock module;
The power module is connect with the first DSP module, the second DSP module, ARM supplementary module respectively;The external clock mould
Block is connect with the first DSP module, the second DSP module, ARM supplementary module respectively;The data acquisition module respectively with the first DSP
Module, the connection of the second DSP module;The temperature detecting module is connect with auxiliary ARM module;The auxiliary ARM module respectively with
First DSP module, the second DSP module are connected by SCI communication mode;The auxiliary ARM module also respectively with Keysheet module,
LCD display module, remote communication module connection;First DSP module is connect with series converter drive module;Described second
DSP module is connect with parallel converters drive module.
2. taking into account the controller of the UPQC device of telecommunication as described in claim 1, it is characterised in that: the data acquisition
Module includes three-phase and neutral conductor voltage and current signal acquisition channel interface, signal conditioning circuit, programmable amplifying circuit, filtered electrical
Road, A/D converter, the output of the three-phase and neutral conductor voltage and current signal acquisition channel interface terminate the signal condition electricity
The input terminal on road, the input terminal of the output termination programmable amplifying circuit of the signal conditioning circuit, the programmable amplifying circuit
Output termination filter circuit, the input terminal of the output termination A/D converter of the filter circuit.
3. taking into account the controller of the UPQC device of telecommunication as described in claim 1, it is characterised in that: the telecommunication
Module includes 4G communication unit and ethernet network communication unit, and the 4G communication unit includes USB interface, 4G communication module,
The auxiliary ARM module, USB interface, 4G communication module are sequentially connected;The ethernet network communication unit includes network interface card core
Piece, network interface card isolating transformer, RJ45 interface, the auxiliary ARM module, network card chip, network interface card isolating transformer, RJ45 interface according to
Secondary connection.
4. taking into account the controller of the UPQC device of telecommunication as described in claim 1, it is characterised in that: the series connection unsteady flow
Device drive module, parallel converters drive module are separately connected series converter, parallel converters in the UPQC device.
5. as claimed in claim 2 take into account telecommunication UPQC device controller, it is characterised in that: the three-phase and in
Property line voltage current signal acquisition channel interface for acquire and conversion line three-phase and neutral conductor voltage and current signal, described three
Mutually and neutral conductor voltage and current signal acquisition channel interface includes that the real-time acquisition channel interface of 4 voltages and 4 electric currents are adopted in real time
Collect channel interface.
6. taking into account the controller of the UPQC device of telecommunication as claimed in claim 2, it is characterised in that: the A/D conversion
Device is made of 2 MAX125AEAX chips.
7. taking into account the controller of the UPQC device of telecommunication as described in claim 1, it is characterised in that: the first DSP
Module, the second DSP module are all made of TMS320F28335.
8. taking into account the controller of the UPQC device of telecommunication as described in claim 1, it is characterised in that: the auxiliary ARM
Module uses the Cortex-M3 microcontroller of LPC1768 model.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820702458.5U CN208781015U (en) | 2018-05-11 | 2018-05-11 | Take into account the controller of the UPQC device of telecommunication |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820702458.5U CN208781015U (en) | 2018-05-11 | 2018-05-11 | Take into account the controller of the UPQC device of telecommunication |
Publications (1)
Publication Number | Publication Date |
---|---|
CN208781015U true CN208781015U (en) | 2019-04-23 |
Family
ID=66148523
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201820702458.5U Active CN208781015U (en) | 2018-05-11 | 2018-05-11 | Take into account the controller of the UPQC device of telecommunication |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN208781015U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108958098A (en) * | 2018-05-11 | 2018-12-07 | 云南电网有限责任公司昆明供电局 | Take into account the controller of the UPQC device of telecommunication |
-
2018
- 2018-05-11 CN CN201820702458.5U patent/CN208781015U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108958098A (en) * | 2018-05-11 | 2018-12-07 | 云南电网有限责任公司昆明供电局 | Take into account the controller of the UPQC device of telecommunication |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102710000B (en) | Parallel current sharing circuit of charging module of electric automobile charger | |
CN102621501B (en) | System and method for testing temperature rise and efficiency under rated power of high-power photovoltaic inverter | |
EP2963431B1 (en) | Test system for power grid adaptability of mobile wind turbine generator system | |
CN204349909U (en) | A kind of high efficiency photovoltaic module power optimizer and use the photovoltaic array of this optimizer | |
CN107134839A (en) | A kind of high power density charging module and method based on all-digitized demodulator | |
CN202135074U (en) | Fully-intelligent cell simulator | |
CN104852566A (en) | H-bridge cascade type STATCOM control system based on model prediction | |
CN202840651U (en) | Parallel current sharing circuit of charging module of electric automobile charger | |
CN105356825A (en) | Hybrid system energy storage device | |
CN110120696A (en) | A kind of extensive energy storage SOC balance coordination control system and method | |
CN104734603B (en) | Complete independent parallel photovoltaic power generation apparatus | |
CN208781015U (en) | Take into account the controller of the UPQC device of telecommunication | |
CN106527272A (en) | Power electronic general control system | |
CN107086564B (en) | Multi-port direct current energy router based on Boost-Buck circuit | |
CN108776438A (en) | The micro-grid system hardware-in-the-loop simulation platform of the spring containing electric power | |
CN108832647A (en) | A kind of battery energy storage system for power distribution network peak load shifting | |
CN104882965B (en) | The control method of intelligent micro-grid control device | |
CN203164379U (en) | Movable wind turbine electric-grid adaptability test system | |
CN106291207A (en) | A kind of chain type SVG module test system, platform and method | |
CN208255675U (en) | The controller for having the UPQC device of concentrating type communication capacity | |
CN109814407A (en) | A kind of digital photovoltaic array simulator and its control method | |
CN108958098A (en) | Take into account the controller of the UPQC device of telecommunication | |
CN209356876U (en) | A kind of digital photovoltaic array simulator | |
CN206041800U (en) | Distributing type MPPT photovoltaic integrated component controller | |
CN106253341B (en) | Line modeling emulation mode is lost in gird-connected inverter |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20191105 Address after: 650000 Yunnan city of Kunming province Wu Wells Road 98 Patentee after: KUNMING POWER SUPPLY BUREAU, YUNNAN POWER GRID CO., LTD. Address before: 650000 Yunnan city of Kunming province Wu Wells Road 98 Co-patentee before: Positive para-electric gas Science and Technology Ltd. is pacified by Shenzhen Patentee before: KUNMING POWER SUPPLY BUREAU, YUNNAN POWER GRID CO., LTD. |
|
TR01 | Transfer of patent right |