CN102011696A - Wind power generating variable-pitch system - Google Patents
Wind power generating variable-pitch system Download PDFInfo
- Publication number
- CN102011696A CN102011696A CN2010105817294A CN201010581729A CN102011696A CN 102011696 A CN102011696 A CN 102011696A CN 2010105817294 A CN2010105817294 A CN 2010105817294A CN 201010581729 A CN201010581729 A CN 201010581729A CN 102011696 A CN102011696 A CN 102011696A
- Authority
- CN
- China
- Prior art keywords
- port
- driver
- variable
- power generating
- wind
- 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.)
- Granted
Links
- 238000012544 monitoring process Methods 0.000 claims abstract description 4
- 238000006243 chemical reaction Methods 0.000 claims description 18
- 238000004891 communication Methods 0.000 claims description 18
- 230000008859 change Effects 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000033001 locomotion Effects 0.000 abstract 1
- 230000005611 electricity Effects 0.000 description 6
- 239000008358 core component Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 235000019800 disodium phosphate Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Landscapes
- Wind Motors (AREA)
Abstract
The invention provides a wind power generating variable-pitch system. The system comprises blades, connections which correspond to the blades respectively, variable-pitch motors used for adjusting the angles of the corresponding blades, connections which correspond to the variable-pitch motors respectively, variable-pitch driver units used for controlling the motions of the variable-pitch motors, a main control unit which is connected with and controls each variable-pitch driver unit, and a plurality of system I/O ports and system A/D ports, which are used for monitoring the operation of the wind power generating pitch system, wherein the system I/O ports and system A/D ports are arranged in each variable-pitch driver unit. The system provided by the invention has the following beneficial effects: as the system I/O ports and system A/D ports are arranged in the pitch driver units, the idle capacity of the variable-pitch driver units can be fully utilized, the operating efficiency of the system can be increased and the system cost can be reduced.
Description
Technical field
The present invention relates to a kind of wind-power generating variable oar system, relate in particular to the I/O port and the A/D port of wind-power generating variable oar system.
Background technique
The development prospect of generation of electricity by new energy industry is very wide, and greatly developing wind-powered electricity generation is the emphasis of China's new energy strategy.Wind-power electricity generation develops into the current stage, and how making its cost performance formation and the competitive advantage of coal electricity, water power is the target that the wind-powered electricity generation industry is chased.When improving constantly reliability, reducing cost is the developing direction of all wind power plants.The wind-power generating variable oar system is as one of core component of wind-power electricity generation, and improving reliability, reducing cost also is the emphasis of its technological innovation.
Wind power pitch-controlled system generally comprises a main control unit and three performance elements.The core component of main control unit is a PLC module group.PLC module group generally is made up of host CPU, coder module, I/O module, A/D module and communication module.The core component of three performance elements is variable pitch drivers.
As shown in Figure 1, in wind-force pitch-controlled system in the past, the work of whole pitch-controlled system is all controlled by PLC module group, and PLC module group is controlled the work of variable pitch driver by I/O port signal and analog signals.Variable pitch driver drives the operation of change oar motor according to I/O signal and the analog signals of PLC, changes the angle of three blades, guarantees that wind-driven generator output is in rated power.The operation that pitch-controlled system needs a large amount of I/O ports and A/D port to monitor and control whole pitch-controlled system.The I/O module of PLC module group generally needs the input and output point more than 80, and the A/D module generally needs the analog sampling mouth more than 20, and shared cost is higher, and not backup, and reliability is not very high.Simultaneously, PLC need handle a large amount of I/O signal of exclusive disjunction and A/D signal, and operational efficiency can't improve.
Summary of the invention
At the deficiencies in the prior art, the object of the invention is to provide a kind of reliability height, the wind-power generating variable oar system that cost is low.
For solving the problems of the technologies described above, technological scheme of the present invention is achieved in that a kind of wind-power generating variable oar system, comprises at least one blade; Be connected one to one with described blade, regulate the change oar motor of corresponding blade angle; Be connected one to one with described change oar motor, control becomes the variable pitch driver unit of oar motor action; Connect and control the main control unit of described each variable pitch driver unit; A plurality of system I/O ports and a plurality of system A/D port of the operation of monitoring wind-power generating variable oar system; Described system I/O port and system's A/D port are arranged in each variable pitch driver unit.
Preferably, described main control unit is by the PLC module, and coder module and communication module are formed.
Preferably, the quantity of described blade is 3.
Preferably, described variable pitch driver unit comprises variable pitch driver, I/O port expansion module and A/D port expansion module, described variable pitch driver has driver I/O port and driver A/D port, described I/O expansion module connects driver I/O port, and described system I/O port is positioned on the I/O port expansion module; A/D port expansion module connects driver A/D port and driver A/D port, and described system A/D port is positioned on the A/D port expansion module.
Preferably, described I/O port expansion module comprises also string conversion expansion submodule of at least one string and conversion expansion submodule and at least one, described string and conversion expansion submodule and and the string conversion expand submodule and all be connected 3 driver I/O ports, all have 16 I/O of system ports.
Preferably, described A/D port expansion module comprises at least one differential path analog switching ic, and described differential path analog switching ic connects 2 driver I/O ports and 2 driver A/D ports, has 8 I/O of system ports.
Preferably, have the CAN communication interface respectively on described main control unit and the variable pitch driver unit, the CAN communication interface of described main control unit uses the CAN bus to be connected with the CAN communication interface of variable pitch driver unit.
Preferably, the length of described CAN bus is less than 40 meters.
Preferably, described variable pitch driver unit is provided with 2 input terminals determining the variable pitch driver address.
Compared with prior art, the invention has the beneficial effects as follows: the I/O of system port and system's A/D port are arranged in the pitch driver unit, make full use of the idle capacity of variable pitch driver unit, the I/O port and the A/D port of main control unit have been cancelled, thereby improved running efficiency of system, reduced system cost.
Further beneficial effect of the present invention is: expand by driver I/O port and driver A/D port to variable pitch driver, increased the quantity of system I/O port and the A/D of system port; Utilize the existing CAN communication interface in driver and PLC unit, set up the CAN bus, variable pitch driver unit and main control unit exchange the input/output signal and the analog sampling signal of whole pitch-controlled system by the CAN communication, guarantee main control unit control whole system.
Simultaneously, the wind-power generating variable oar system has three variable pitch drivers, and every driver only need be expanded the I/O port and the A/D port of 1/3 demand, and signal of interest can back up and fault-tolerant processing mutually by three drivers, has improved reliability; Part signal can directly be handled exclusive disjunction by three variable pitch drivers, changed all I/O signals of former wind-power generating variable oar system and A/D signal and all will handle the operating mode of exclusive disjunction by main control unit, improve the efficient of main control unit operation, strengthened the ageing of wind-power generating variable oar system operation.
Description of drawings
Fig. 1 is the wind generating variable-propeller system module figure of prior art.
Fig. 2 is the wind generating variable-propeller system module figure of the specific embodiment of the present invention.
Fig. 3 is the serial-parallel conversion circuit circuit diagram of the specific embodiment of the present invention.
Fig. 4 is the differential path analog switching ic circuit diagram of the specific embodiment of the present invention.
1, variable pitch driver 7, expansion I/O output circuit
3, serial-parallel conversion circuit 9, differential path analog switching ic
5, data-latching circuit 11, simulated measurement input circuit
Embodiment
Mode with example describes the specific embodiment of the present invention with reference to the accompanying drawings.
The wind-power generating variable oar system of embodiment comprises blade, becomes oar motor, variable pitch driver unit and main control unit.
With reference to Fig. 2, blade needs 1 at least, is generally 3, change oar motor of regulating this blade angle of the connection of each blade correspondence; Each becomes the variable pitch driver unit of this change oar motor action of control of connection of oar motor correspondence; And main control unit connects and control each variable pitch driver unit.
Main control unit is by PLC module (being the PLC host CPU), and coder module and communication module are formed.
Be provided with variable pitch driver 1, I/O port expansion module (being I/O expansion mouth) and A/D port expansion module (being A/D expansion mouth) in the variable pitch driver unit.I/O port expansion module is provided with a plurality of system I/O ports, and A/D port expansion module is provided with a plurality of system A/D ports.A plurality of system I/O ports and a plurality of system A/D port are used for acquisition system information and environmental information, the operation of monitoring wind-power generating variable oar system.Also be provided with address bit in the variable pitch driver unit.
More specifically, variable pitch driver 1 has driver I/O port and driver A/D port, and the I/O expansion module connects driver I/O port; A/D port expansion module connects driver A/D port and driver A/D port.
I/O port expansion module comprises also string conversion expansion submodule of at least one string and conversion expansion submodule and at least one, string and conversion expansion submodule are used for expanding the output port of the driver I/O port of variable pitch driver 1, and string conversion expansion submodule is used for expanding the input port of the driver I/O port of variable pitch driver 1.String and conversion expansion submodule and and the string conversion expand submodule and all be connected 3 driver I/O ports, all have 16 I/O of system ports.
Fig. 3 has disclosed a concrete string and conversion expansion submodular circuits figure, string also conversion expansion submodule connects 3 driver I/O ports of variable pitch driver 1, comprises interconnective two serial-parallel conversion circuits 3, two data latch cicuits 5 and two expansion I/O output circuits 7.Have 8 I/O of system ports on each expansion I/O output circuit 7.
A/D port expansion module comprises at least one differential path analog switching ic 9, and differential path analog switching ic 9 connects 2 driver I/O ports and 2 driver A/D ports, has 8 A/D of system ports.
Fig. 4 has disclosed concrete differential path analog switching ic 9 circuit connection diagrams.Differential path analog switching ic 9 connects 2 driver I/O ports and 2 driver A/D ports of variable pitch driver 1, has 8 A/D of system ports, and 8 A/D of system ports connect a simulated measurement input circuit 11.
Have the CAN communication interface respectively on described main control unit and the variable pitch driver unit, the CAN communication interface of described main control unit uses the CAN bus to be connected with the CAN communication interface of variable pitch driver unit, formulates communications protocol.Like this, the I/O signal and the A/D signal of main control unit and variable pitch driver 1 can be transmitted or control by the CAN bus, and do not need the PLC module unification of main control unit to handle.
In pitch-controlled system, CAN bus transfer between variable pitch driver unit and main control unit distance is less than 40 meters, so communication speed can reach 1M/S, can satisfy the requirement of pitch-controlled system to each control signal response time fully.
The variable pitch driver unit is provided with 2 input terminals determining variable pitch driver 1 address, and in order to set three variable pitch driver 1 addresses separately in the same pitch-controlled system, the PLC module is come the identification signal source by two bit address sign indicating numbers in the CAN communication.The address setting of variable pitch driver 1 adopts the mode of terminal connections, as long as purpose is a variable pitch driver 1 just to be loaded onto and can confirm its address automatically, has so just kept the versatility of variable pitch driver 1.
More specifically, variable pitch driver 1 is the DSP2812CPU chip of TI company, this chip is 32 very powerful fixed DSPs of a function, it had both had digital signal processing capability, had powerful incident management ability and embedded Control function again, was specially adapted to the observing and controlling occasion of data processing in enormous quantities, have 176 pins, dominant frequency can reach 150M, the AD sampling of 16 passages, and precision can reach 12.
Although be the example purpose, preferred implementation of the present invention is disclosed, but those of ordinary skill in the art will recognize that under situation about not breaking away from by the disclosed scope and spirit of the present invention of appending claims, various improvement, increase and replacement are possible.
Claims (9)
1. a wind-power generating variable oar system comprises,
At least one blade;
Be connected one to one with described blade, regulate the change oar motor of corresponding blade angle;
Be connected one to one with described change oar motor, control becomes the variable pitch driver unit of oar motor action;
Connect and control the main control unit of described each variable pitch driver unit;
A plurality of system I/O ports and a plurality of system A/D port of the operation of monitoring wind-power generating variable oar system;
It is characterized in that described system I/O port and system's A/D port are arranged in each variable pitch driver unit.
2. according to a kind of wind-power generating variable oar system described in the claim 1, it is characterized in that: described main control unit is by the PLC module, and coder module and communication module are formed.
3. according to a kind of wind-power generating variable oar system described in the claim 1, it is characterized in that: the quantity of described blade is 3.
4. according to a kind of wind-power generating variable oar system described in the claim 1, it is characterized in that: described variable pitch driver unit comprises variable pitch driver, I/O port expansion module and A/D port expansion module, described variable pitch driver has driver I/O port and driver A/D port, described I/O expansion module connects driver I/O port, and described system I/O port is positioned on the I/O port expansion module; A/D port expansion module connects driver A/D port and driver A/D port, and described system A/D port is positioned on the A/D port expansion module.
5. according to a kind of wind-power generating variable oar system described in the claim 4, it is characterized in that: described I/O port expansion module comprises also string conversion expansion submodule of at least one string and conversion expansion submodule and at least one, described serial-parallel conversion circuit all is connected 3 driver I/O ports with parallel-to-serial converter, all has 16 I/O of system ports.
6. according to a kind of wind-power generating variable oar system described in the claim 4, it is characterized in that: described A/D port expansion module comprises at least one differential path analog switching ic, described differential path analog switching ic connects 2 driver I/O ports and 2 driver A/D ports, has 8 I/O of system ports.
7. according to a kind of wind-power generating variable oar system described in the claim 1, it is characterized in that: have the CAN communication interface respectively on described main control unit and the variable pitch driver unit, the CAN communication interface of described main control unit uses the CAN bus to be connected with the CAN communication interface of variable pitch driver unit.
8. according to a kind of wind-power generating variable oar system described in the claim 7, it is characterized in that: the length of described CAN bus is less than 40 meters.
9. according to a kind of wind-power generating variable oar system described in the claim 1, it is characterized in that: described variable pitch driver unit is provided with 2 input terminals determining the variable pitch driver address.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010581729A CN102011696B (en) | 2010-12-10 | 2010-12-10 | Wind power generating variable-pitch system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010581729A CN102011696B (en) | 2010-12-10 | 2010-12-10 | Wind power generating variable-pitch system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102011696A true CN102011696A (en) | 2011-04-13 |
| CN102011696B CN102011696B (en) | 2012-09-19 |
Family
ID=43841994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010581729A Expired - Fee Related CN102011696B (en) | 2010-12-10 | 2010-12-10 | Wind power generating variable-pitch system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102011696B (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102338032A (en) * | 2011-09-08 | 2012-02-01 | 江苏金风风电设备制造有限公司 | Electric blade-changing system of wind generating set |
| CN102384025A (en) * | 2011-09-22 | 2012-03-21 | 苏州能健电气有限公司 | Programmable logic control (PLC) control system |
| CN102385340A (en) * | 2011-09-22 | 2012-03-21 | 苏州能健电气有限公司 | Programmable logic controller (PLC) controlling system and signal collection circuit thereof |
| CN102385339A (en) * | 2011-09-22 | 2012-03-21 | 苏州能健电气有限公司 | Programmable logic controller (PLC) controlling system and temperature signal collection circuit thereof |
| CN102392784A (en) * | 2011-09-22 | 2012-03-28 | 苏州能健电气有限公司 | PLC (programmable logic controller) control system for pitch control systems |
| CN102635500A (en) * | 2012-04-25 | 2012-08-15 | 广东明阳龙源电力电子有限公司 | Fan electric control system and fan converter integrated control topology |
| CN103066675A (en) * | 2011-10-20 | 2013-04-24 | 苏州能健电气有限公司 | Alternating current driver charging circuit of wind power alternating current variable pitch system |
| CN103161664A (en) * | 2011-12-19 | 2013-06-19 | 苏州能健电气有限公司 | Wind power variable propeller system serial-to-parallel conversion circuit |
| CN104373292A (en) * | 2013-08-14 | 2015-02-25 | 苏州能健电气有限公司 | Simple variable-pitch system |
| CN105467896A (en) * | 2015-12-25 | 2016-04-06 | 大连尚能科技发展有限公司 | Integrated control system of wind-power low-voltage variable pitch blade |
| CN103670920B (en) * | 2012-09-06 | 2016-06-01 | 台达电子工业股份有限公司 | The blade zero point backup of wind-driven variable pitch system and wind-driven variable pitch system and restoration methods |
| CN106405414A (en) * | 2016-08-23 | 2017-02-15 | 固安华电天仁控制设备有限公司 | Integrated automatic test device for wind pitch motor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1410669A (en) * | 2002-11-13 | 2003-04-16 | 沈阳工业大学 | Megawatt grade wind generator set speed change and distance change control system |
| CN101311527A (en) * | 2007-05-23 | 2008-11-26 | 连云港杰瑞电子有限公司 | Pitch control system of wind mill generator |
| CN201507394U (en) * | 2009-09-28 | 2010-06-16 | 国网电力科学研究院 | Variable pitch control device for wind generating set |
| CN101892953A (en) * | 2010-06-28 | 2010-11-24 | 三一电气有限责任公司 | Electric variable propeller system of wind generating set |
| CN201925091U (en) * | 2010-12-10 | 2011-08-10 | 苏州能健电气有限公司 | Variable propeller pitch system for wind electric power generation |
-
2010
- 2010-12-10 CN CN201010581729A patent/CN102011696B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1410669A (en) * | 2002-11-13 | 2003-04-16 | 沈阳工业大学 | Megawatt grade wind generator set speed change and distance change control system |
| CN101311527A (en) * | 2007-05-23 | 2008-11-26 | 连云港杰瑞电子有限公司 | Pitch control system of wind mill generator |
| CN201507394U (en) * | 2009-09-28 | 2010-06-16 | 国网电力科学研究院 | Variable pitch control device for wind generating set |
| CN101892953A (en) * | 2010-06-28 | 2010-11-24 | 三一电气有限责任公司 | Electric variable propeller system of wind generating set |
| CN201925091U (en) * | 2010-12-10 | 2011-08-10 | 苏州能健电气有限公司 | Variable propeller pitch system for wind electric power generation |
Non-Patent Citations (2)
| Title |
|---|
| 《太阳能学报》 20051231 林勇刚等 大型风力发电机组独立桨叶控制*** 780-786 1-9 第26卷, 第6期 * |
| 《机电工程技术》 20100131 魏本建，李志梅 风电机组电动变桨距控制***设计 19-20 1-9 第39卷, 第1期 * |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102338032A (en) * | 2011-09-08 | 2012-02-01 | 江苏金风风电设备制造有限公司 | Electric blade-changing system of wind generating set |
| CN102384025A (en) * | 2011-09-22 | 2012-03-21 | 苏州能健电气有限公司 | Programmable logic control (PLC) control system |
| CN102385340A (en) * | 2011-09-22 | 2012-03-21 | 苏州能健电气有限公司 | Programmable logic controller (PLC) controlling system and signal collection circuit thereof |
| CN102385339A (en) * | 2011-09-22 | 2012-03-21 | 苏州能健电气有限公司 | Programmable logic controller (PLC) controlling system and temperature signal collection circuit thereof |
| CN102392784A (en) * | 2011-09-22 | 2012-03-28 | 苏州能健电气有限公司 | PLC (programmable logic controller) control system for pitch control systems |
| CN103066675A (en) * | 2011-10-20 | 2013-04-24 | 苏州能健电气有限公司 | Alternating current driver charging circuit of wind power alternating current variable pitch system |
| CN103161664A (en) * | 2011-12-19 | 2013-06-19 | 苏州能健电气有限公司 | Wind power variable propeller system serial-to-parallel conversion circuit |
| CN102635500A (en) * | 2012-04-25 | 2012-08-15 | 广东明阳龙源电力电子有限公司 | Fan electric control system and fan converter integrated control topology |
| CN103670920B (en) * | 2012-09-06 | 2016-06-01 | 台达电子工业股份有限公司 | The blade zero point backup of wind-driven variable pitch system and wind-driven variable pitch system and restoration methods |
| US9453498B2 (en) | 2012-09-06 | 2016-09-27 | Delta Electronics, Inc. | Method for backing up and recovering blade zero point of pitch drive system for wind turbine and pitch drive system for wind turbine |
| CN104373292A (en) * | 2013-08-14 | 2015-02-25 | 苏州能健电气有限公司 | Simple variable-pitch system |
| CN105467896A (en) * | 2015-12-25 | 2016-04-06 | 大连尚能科技发展有限公司 | Integrated control system of wind-power low-voltage variable pitch blade |
| CN106405414A (en) * | 2016-08-23 | 2017-02-15 | 固安华电天仁控制设备有限公司 | Integrated automatic test device for wind pitch motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102011696B (en) | 2012-09-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102011696B (en) | Wind power generating variable-pitch system | |
| CN201925091U (en) | Variable propeller pitch system for wind electric power generation | |
| US11719233B2 (en) | Power-saving optimization operation method and switching point determining method for water pump unit | |
| CN201118513Y (en) | Efficiency optimization control system for three-phase inductance electromotor | |
| CN201490999U (en) | Modbus protocol-based current output system | |
| CN203241552U (en) | ZigBee-based vehicle-mounted weather monitoring system | |
| CN202218158U (en) | Anti-jamming power supply for main control panel of AC driver | |
| CN204858593U (en) | Mix wind generator system based on direct current transmission circuit | |
| CN203278884U (en) | Data communication device of wind power current transformer | |
| CN203103985U (en) | Intelligent control device for permanent-magnet direct-drive wind generating set | |
| CN201259630Y (en) | Energy saving type communication power supply | |
| CN202338446U (en) | Serial-parallel conversion circuit of wind power generating pitch system | |
| CN204349584U (en) | A kind of current transformer and current transformer supervisory control system | |
| CN103166246A (en) | Intelligent permanent magnetic direct drive wind generator set control device | |
| CN206877081U (en) | A kind of Large Copacity bank electricity variable frequency power controller | |
| CN103401399A (en) | Wind power converter control system based on programmable computer controller | |
| CN205135904U (en) | Monitoring device that aerogenerator used | |
| CN204347558U (en) | A kind of fiber laser interface arrangement for linking number Ore-controlling Role | |
| CN204759129U (en) | Multichannel temperature analogue means | |
| CN108695881A (en) | A kind of control method and device of photovoltaic plant direct current grid-connected system | |
| CN203383980U (en) | Wind generation set master control system with wide temperature range | |
| CN213518238U (en) | Multiplexing type photovoltaic control device | |
| CN203368329U (en) | Driver driving circuit | |
| CN210509470U (en) | Three-drive three-motor wind power pitch control device and control system thereof | |
| CN203499917U (en) | Wind power generation control system |
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 | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220629 Address after: 215400 No. 17, gugang Road, Chengxiang Industrial Park, Taicang City, Suzhou City, Jiangsu Province Patentee after: JIANGSU RUIXIN UNITED AUTOMOBILE TECHNOLOGY GROUP Co.,Ltd. Address before: 215021 No. 80, Shuangma street, Suzhou Industrial Park, Jiangsu Province Patentee before: REnergy Electric (Suzhou) Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220727 Address after: 215131 room 908, floor 9, building 5 (Building 1), No. 2266 Taiyang Road, high speed rail new town, Xiangcheng District, Suzhou, Jiangsu Province Patentee after: Suzhou xinnengjian Electric Co.,Ltd. Address before: 215400 No. 17, gugang Road, Chengxiang Industrial Park, Taicang City, Suzhou City, Jiangsu Province Patentee before: JIANGSU RUIXIN UNITED AUTOMOBILE TECHNOLOGY GROUP Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120919 |