CN103226334B - Hardware security chain control method in a kind of wind turbine control system escalation process - Google Patents
Hardware security chain control method in a kind of wind turbine control system escalation process Download PDFInfo
- Publication number
- CN103226334B CN103226334B CN201310155776.6A CN201310155776A CN103226334B CN 103226334 B CN103226334 B CN 103226334B CN 201310155776 A CN201310155776 A CN 201310155776A CN 103226334 B CN103226334 B CN 103226334B
- Authority
- CN
- China
- Prior art keywords
- security chain
- hardware security
- control system
- hardware
- upgrade
- 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
- Wind Motors (AREA)
Abstract
The invention discloses hardware security chain control method in a kind of wind turbine control system escalation process, relate to wind generating technology, aim to provide a kind of control method making hardware security chain can not produce theft-resistant link chain action in control system escalation process.The technology of the present invention main points comprise: step 1: after upgraded module receives upgrade, export upgrading handshake to hardware security chain control module; Step 2: after hardware security chain control module receives handshake, exports answer signal to upgraded module, enters upgrade mode simultaneously; Step 3: upgraded module starts to receive ROMPaq after receiving answer signal, and upgrade completion signal is exported to hardware security chain control module after upgrading completes; Step 4: after hardware security chain control module receives upgrade completion signal, get back to normal mode.
Description
Technical field
The present invention relates to wind generating technology, especially a kind of in wind turbine control system escalation process, the control method of hardware security chain.
Background technology
Along with installed capacity of wind-driven power is in the increase of electrical network ratio, the technical requirement of electrical network to wind-powered electricity generation is also more and more higher, require that Wind turbines provides the function of more adaptation grid requirements, proprietor is also strengthening the management to wind energy turbine set simultaneously, this just means that wind turbine control system needs are according to the ever-increasing demand of user, has the upgrading and transformation ability carrying out continuing.
Because safe design needs, wind power generating set generally has hardware security chain as its last pipe protection measure.Fig. 1 is existing wind power generating set hardware security chain control circuit, it is made up of direct supply, hardware watchdog gauge tap, internal security chain gauge tap, manual reset switch and relay, described hardware watchdog gauge tap controls it by house dog and disconnects or conducting, and described internal security chain gauge tap controls it by wind power generating set internal processes and disconnects or conducting; Described direct supply is connected to one end of relay coil successively by hardware watchdog gauge tap, internal security chain gauge tap, manual reset switch, the other end ground connection of relay coil; A contact of described relay is in parallel with manual reset switch, and all the other contacts of relay are then distributed in each supply line of wind power generating set.
Existing hardware security chain control method is, when control system breaks down, the internal processes meeting control hardware house dog gauge tap of outer watchdog or wind turbine control system or internal security chain gauge tap disconnect, cut off each branch road to power, thus ensure wind power generating set safety, when control system is resumed work, even if hardware watchdog gauge tap, the equal conducting of internal security chain gauge tap, relay coil and power supply still access failure, each contact of relay is off state, therefore necessary artificial trigger manual reset switch on the spot, make each contact conducting of relay, hardware security chain is normally worked.
But according to the upgrade method that existing PLC or other hardware platforms itself provide, a wind field having a hundreds of platform wind power generating set, each software upgrading is safeguarded, when escalation process neutralization is restarted, control system can reset correlated digital amount export, the internal security chain gauge tap in hardware security chain control circuit is caused to disconnect, on the other hand, in escalation process, control system does not output signal to house dog for a long time, also house dog control hardware house dog gauge tap can be caused to disconnect, therefore, each upgrading must staff reset for every platform wind power generating set on the spot, so not only wind field commissioning staff workload is greatly increased, and cause larger generated energy loss to wind field.
Summary of the invention
Technical matters to be solved by this invention is: for above-mentioned Problems existing, there is provided a kind of in wind turbine control system escalation process, the control method of hardware security chain, make hardware security chain can not produce theft-resistant link chain action in control system escalation process, i.e. hardware security chain not open circuit, when control system breaks down, hardware security chain can ensure fan safe again.
The technical solution used in the present invention comprises the following steps:
Step 1: after upgraded module receives upgrade, exports upgrading handshake to hardware security chain control module;
Step 2: after hardware security chain control module receives handshake, exports answer signal to upgraded module, enters upgrade mode simultaneously;
Step 3: upgraded module starts to receive ROMPaq after receiving answer signal, and upgrade completion signal is exported to hardware security chain control module after upgrading completes;
Step 4: after hardware security chain control module receives upgrade completion signal, get back to normal mode;
Under described upgrade mode, hardware security chain control module maintains hardware security chain and closes;
Under described normal mode, hardware security chain control module controls hardware security chain control circuit according to the instruction of wind turbine control system; If wind turbine control system is not to hardware security chain control module output signal within the scope of certain hour, hardware security chain control module disconnects hardware security chain.
Preferably, described step 1 comprises further: after upgraded module receives upgrade, detect fan condition, as blower fan stops operating, and upgraded module response upgrade, and export upgrading handshake to hardware security chain control module; As blower fan does not stop operating, then upgraded module refusal upgrade.
Preferably, described step 3 comprises further: after upgraded module receives ROMPaq, verifies ROMPaq file and ROMPaq version, if the complete and version of file is correct, then upgrades.
Preferably, also comprise step 5: wind turbine control system also aweather center court control system send upgrade completion signal; Send grid-connected instruction to wind turbine control system after wind field central control system receives upgrade completion signal, wind turbine control system controls wind power generation set grid-connection generating.
Preferably, described hardware security chain control circuit comprises: direct supply, hardware watchdog gauge tap, internal security chain gauge tap, manual reset switch and relay;
Described hardware watchdog gauge tap controls it by house dog and disconnects or conducting, and described internal security chain gauge tap controls it by the internal processes of wind turbine control system and disconnects or conducting;
Described direct supply is connected to one end of relay coil successively by hardware watchdog gauge tap, internal security chain gauge tap, manual reset switch, the other end ground connection of relay coil;
Described relay contact is in parallel with described manual reset switch.
Preferably, described step 2 comprises: after hardware security chain control module receives handshake, export answer signal to upgraded module, the hardware watchdog gauge tap simultaneously in control hardware theft-resistant link chain control circuit, internal security chain gauge tap all keep conducting state.
In sum, owing to have employed technique scheme, the invention has the beneficial effects as follows: for wind turbine control system adding users demand or after improving control software design, staff is not needed to be that each Fans of wind field resets on the spot, the whole blower fan control system upgrading of extensive wind field can be completed efficiently, compare other control system, greatly improve control system and safeguard convenience, save human cost, improve generating efficiency.
Accompanying drawing explanation
Examples of the present invention will be described by way of reference to the accompanying drawings, wherein:
Fig. 1 is wind power generating set hardware security chain control circuit schematic diagram.
Fig. 2 is control method process flow diagram of the present invention.
Fig. 3 is an embodiment schematic diagram of control method of the present invention.
Fig. 4 is another embodiment schematic diagram of control method of the present invention.
Embodiment
All features disclosed in this instructions, or the step in disclosed all methods or process, except mutually exclusive feature and/or step, all can combine by any way.
Arbitrary feature disclosed in this instructions, unless specifically stated otherwise, all can be replaced by other equivalences or the alternative features with similar object.That is, unless specifically stated otherwise, each feature is an example in a series of equivalence or similar characteristics.
As Fig. 2, the control method in the present invention comprises:
Step 1: after upgraded module receives upgrade, exports upgrading handshake to hardware security chain control module;
Step 2: after hardware security chain control module receives handshake, exports answer signal to upgraded module, enters upgrade mode simultaneously;
Step 3: upgraded module starts to receive ROMPaq after receiving answer signal, and upgrade completion signal is exported to hardware security chain control module after upgrading completes;
Step 4: after hardware security chain control module receives upgrade completion signal, get back to normal mode;
Under described upgrade mode, hardware security chain control module maintains hardware security chain and closes;
When wind turbine control system is not upgraded, hardware security chain control module is normal mode, namely according to the instruction of wind turbine control system, hardware security chain control circuit is controlled, such as blower fan breaks down, and control system sends instruction control hardware theft-resistant link chain to hardware security chain control module and disconnects.In addition, when wind turbine control system do not upgrade and exceed safety time do not output signal to hardware security chain control module time, in order to ensure fan safe, hardware security chain control module also can disconnect hardware security chain; The Generally Recognized as safe time is set to 100ms.
As Fig. 3, in one embodiment of the invention, independently CPLD/FPGA/ is from CPU control chip at one for the software program of execution hardware security chain control module function, and the upgraded module of execution ROMPaq is on the host CPU comprising wind turbine control system.Be connected from having signal between CPU with host CPU.Hardware security chain control circuit is as Fig. 1.It is the operating system not supporting multitask that such embodiment is applicable to wind turbine control system.Its concrete control flow is as follows:
A., after upgraded module receives remote upgrade instruction, detect fan condition, as blower fan stops operating, upgraded module then responds remote upgrade instruction; As do not stopped operating, then refuse remote upgrade instruction.
B. after the instruction of upgraded module response remote upgrade, send starting and upgrading instruction to hardware security chain control module, after receiving the handshake response of hardware security chain control module, upgraded module prepares to receive ROMPaq.Those skilled in the art rationally can infer that described starting and upgrading instruction also can be other forms of handshake.
C. hardware security chain control module enters upgrade mode, and keep guard's hardware watchdog gauge tap, internal security chain gauge tap action conducting, during guaranteeing upgrading, hardware security chain closes.
D. after upgraded module receives ROMPaq, detect ROMPaq file and version, the ROMPaq file of new reception is complete and after being confirmed to be redaction, by the ROMPaq code that receives stored in internal memory, original control program is replaced with the control program after upgrading.Because the upgrade file transmission of single task operating system is completed by serial communication, therefore the present embodiment needs to verify whether upgrade file is complete, and conventional verification mode is CRC(cyclic redundancy check (CRC) algorithm) verification.
After having upgraded, upgraded module notice hardware security chain control module exits upgrade mode, enters normal mode (namely controlling hardware security chain control circuit according to the instruction of wind turbine control system), notifies that remote upgrade completes simultaneously.
E. Remote SCADA system (wind field central control system) direction wind-driven generator set control system sends instruction, and wind turbine control system controls wind power generation set grid-connection generating, and remote upgrade completes.
As Fig. 4, in an alternative embodiment of the invention, upgraded module and hardware security chain control module are two independently tasks, and the present embodiment is applicable to CPU or the PLC system of supporting multiple task operating system.
Equally, task 1(respective upgrades module) and task 2(corresponding hardware security chain control module) between also need to transmit relevant handshake communication information.
Upgrade step is the same with front embodiment, supports that the operating system of multitask receives upgrade file by Ethernet, compares front embodiment transfer files speed and communicate more reliable sooner.Therefore, the present embodiment is more convenient and flexible.
Hardware security chain control circuit in the present invention is as Fig. 1, and its circuit structure and principle of work are as stated in the Background Art.In general, before wind turbine control system upgrading, hardware watchdog gauge tap in hardware security chain control circuit, internal security chain gauge tap all keep conducting state, after each branch road hardware security chain control module receives handshake, export answer signal to upgraded module, the hardware watchdog gauge tap simultaneously in control hardware theft-resistant link chain control circuit, internal security chain gauge tap all keep conducting state.
The present invention is not limited to aforesaid embodiment.The present invention expands to any new feature of disclosing in this manual or any combination newly, and the step of the arbitrary new method disclosed or process or any combination newly.
Claims (6)
1. a hardware security chain control method in wind turbine control system escalation process, is characterized in that, comprising:
Step 1: after upgraded module receives upgrade, exports upgrading handshake to hardware security chain control module;
Step 2: after hardware security chain control module receives handshake, exports answer signal to upgraded module, enters upgrade mode simultaneously;
Step 3: upgraded module starts to receive ROMPaq after receiving answer signal, and upgrade completion signal is exported to hardware security chain control module after upgrading completes;
Step 4: after hardware security chain control module receives upgrade completion signal, get back to normal mode;
Under described upgrade mode, hardware security chain control module maintains hardware security chain and closes;
Under described normal mode, hardware security chain control module controls hardware security chain control circuit according to the instruction of wind turbine control system; If wind turbine control system is not to hardware security chain control module output signal within the scope of certain hour, hardware security chain control module disconnects hardware security chain.
2. method according to claim 1, it is characterized in that, described step 1 comprises further: after upgraded module receives upgrade, detect fan condition, if blower fan stops operating, upgraded module response upgrade, and export upgrading handshake to hardware security chain control module; If blower fan does not stop operating, then upgraded module refusal upgrade.
3. method according to claim 1 and 2, is characterized in that, described step 3 comprises further: after upgraded module receives ROMPaq, verifies ROMPaq file and ROMPaq version, if the complete and version of file is correct, then upgrades.
4. method according to claim 1, is characterized in that, also comprises step 5: wind turbine control system also aweather center court control system send upgrade completion signal; Send grid-connected instruction to wind turbine control system after wind field central control system receives upgrade completion signal, wind turbine control system controls wind power generation set grid-connection generating.
5. method according to claim 1, is characterized in that, described hardware security chain control circuit comprises: direct supply, hardware watchdog gauge tap, internal security chain gauge tap, manual reset switch and relay;
Described hardware watchdog gauge tap is outputed signal by house dog and determines that it disconnects or conducting, and described internal security chain gauge tap is exported by the internal processes of wind turbine control system and determines that it disconnects or conducting;
Described direct supply is connected to one end of relay coil successively by hardware watchdog gauge tap, internal security chain gauge tap, manual reset switch, the other end ground connection of relay coil;
The contact of described relay is in parallel with described manual reset switch.
6. method according to claim 5, it is characterized in that, described step 2 comprises: after hardware security chain control module receives handshake, export answer signal to upgraded module, the hardware watchdog gauge tap simultaneously in control hardware theft-resistant link chain control circuit, internal security chain gauge tap all keep conducting state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310155776.6A CN103226334B (en) | 2013-04-28 | 2013-04-28 | Hardware security chain control method in a kind of wind turbine control system escalation process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310155776.6A CN103226334B (en) | 2013-04-28 | 2013-04-28 | Hardware security chain control method in a kind of wind turbine control system escalation process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103226334A CN103226334A (en) | 2013-07-31 |
| CN103226334B true CN103226334B (en) | 2015-11-18 |
Family
ID=48836821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310155776.6A Active CN103226334B (en) | 2013-04-28 | 2013-04-28 | Hardware security chain control method in a kind of wind turbine control system escalation process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103226334B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107524562A (en) * | 2016-06-22 | 2017-12-29 | 北京天诚同创电气有限公司 | program upgrading method and device for wind generating set |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103686358A (en) * | 2013-11-14 | 2014-03-26 | 乐视致新电子科技（天津）有限公司 | MCU reset control device, television system and method |
| CN106406962A (en) * | 2016-09-29 | 2017-02-15 | 四川东方电气自动控制工程有限公司 | Wind power generation controller failed remote upgrade recovery method based on ARM |
| CN108204332B (en) * | 2016-12-19 | 2020-05-05 | 北京金风科创风电设备有限公司 | Method and device for upgrading control program of wind generating set |
| CN107870776B (en) * | 2017-11-03 | 2021-01-12 | 北京锐安科技有限公司 | IPMC online upgrading method and device |
| CN113446151A (en) * | 2021-06-17 | 2021-09-28 | 东方电气风电有限公司 | Remote upgrade control system and method for wind generating set |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1992464A (en) * | 2005-12-30 | 2007-07-04 | 中国科学院电工研究所 | Control system of wind turbines |
| CN101303592A (en) * | 2008-06-30 | 2008-11-12 | 电子科技大学 | Novel method of wind generating set remote maintenance |
| CN101571104A (en) * | 2009-03-12 | 2009-11-04 | 苏州能健电气有限公司 | Safety chain control system |
| CN101893855A (en) * | 2009-05-20 | 2010-11-24 | 天津瑞能电气有限公司 | Control method for guaranteeing safe operation of wind turbine |
| CN102748215A (en) * | 2012-07-12 | 2012-10-24 | 国电南京自动化股份有限公司 | Safety chain system of wind generating set and fault rapid identification method thereof |
-
2013
- 2013-04-28 CN CN201310155776.6A patent/CN103226334B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1992464A (en) * | 2005-12-30 | 2007-07-04 | 中国科学院电工研究所 | Control system of wind turbines |
| CN101303592A (en) * | 2008-06-30 | 2008-11-12 | 电子科技大学 | Novel method of wind generating set remote maintenance |
| CN101571104A (en) * | 2009-03-12 | 2009-11-04 | 苏州能健电气有限公司 | Safety chain control system |
| CN101893855A (en) * | 2009-05-20 | 2010-11-24 | 天津瑞能电气有限公司 | Control method for guaranteeing safe operation of wind turbine |
| CN102748215A (en) * | 2012-07-12 | 2012-10-24 | 国电南京自动化股份有限公司 | Safety chain system of wind generating set and fault rapid identification method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107524562A (en) * | 2016-06-22 | 2017-12-29 | 北京天诚同创电气有限公司 | program upgrading method and device for wind generating set |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103226334A (en) | 2013-07-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103226334B (en) | Hardware security chain control method in a kind of wind turbine control system escalation process | |
| US20190286080A1 (en) | Microgrid controller for distributed energy systems | |
| CN103703645A (en) | Control system for photovoltaic power plant | |
| CA2940212C (en) | Systems and methods for error monitoring and handling in control systems | |
| CN102496966B (en) | Wind power station grid-connected operation power optimization control substation | |
| CN109931217A (en) | Wind power generating set halt control method and system | |
| WO2015138857A1 (en) | Systems and methods for synchronizing an appliance load to a local power generating capability | |
| CN102570446B (en) | The unit level of the enhancing of rebuilding of power grid is supported | |
| CN106775884A (en) | Method and equipment for upgrading control program of wind generating set | |
| US11133675B2 (en) | Method and apparatus for synchronizing start-up of grid-forming inverters | |
| CN111478368B (en) | Connection transformer switching method, system and equipment for hot standby connection transformer circuit | |
| CN114443067B (en) | CPLD (complex programmable logic device) file burning system and CPLD file burning method | |
| US20200295557A1 (en) | Control system for and method of fault location, isolation and supply restoration | |
| CN116822928B (en) | Power transmission line maintenance method and device, computer equipment and storage medium | |
| CN114450484A (en) | Providing safety configuration parameters for a wind turbine | |
| CN103701154A (en) | Automatic power generating control target command receiving system of grid combined power generator set | |
| KR102338517B1 (en) | Remote terminal unit for solar power generation | |
| CN211975276U (en) | PLC automatic restart system of fan engine room | |
| CN205154510U (en) | Fan cabin temperature acquisition system | |
| KR101610699B1 (en) | Power management system for frequency regulation based on energy storage sytem and method thereof | |
| CN204347580U (en) | A kind of remote-controlled wireless public network emergency communication device | |
| CN113446151A (en) | Remote upgrade control system and method for wind generating set | |
| Bi et al. | INTELLIGENT DISTRIBUTION OF BATCH WIND TURBINE GENERATOR BATTERY DETECTION | |
| CN113991643B (en) | Intelligent power grid dispatching system based on traction power model | |
| CN103779860B (en) | The control system of the active power in power plant and control method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 618000 Jinsha Jiangxi Road, high tech Industrial Park, Deyang, Sichuan, 666 Co-patentee after: Dongfang Electric Automatic Control Engineering Co., Ltd. Patentee after: Dongfang Turbine Co., Ltd., Dongfang Electric Group Address before: 618000 Jinsha Jiangxi Road, high tech Industrial Park, Deyang, Sichuan, 666 Co-patentee before: Sichuan Orient Electric Automatic Control Engineering Co., Ltd. Patentee before: Dongfang Turbine Co., Ltd., Dongfang Electric Group |