CN110486224B - Become oar power management device - Google Patents
Become oar power management device Download PDFInfo
- Publication number
- CN110486224B CN110486224B CN201910696564.6A CN201910696564A CN110486224B CN 110486224 B CN110486224 B CN 110486224B CN 201910696564 A CN201910696564 A CN 201910696564A CN 110486224 B CN110486224 B CN 110486224B
- Authority
- CN
- China
- Prior art keywords
- module
- pitch
- power management
- management device
- power
- 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
- 239000003990 capacitor Substances 0.000 claims description 15
- 238000004891 communication Methods 0.000 claims description 9
- 238000003745 diagnosis Methods 0.000 claims description 7
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 230000017525 heat dissipation Effects 0.000 claims description 4
- 238000002955 isolation Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 230000001012 protector Effects 0.000 claims description 3
- 230000001960 triggered effect Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 239000002131 composite material Substances 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 238000013461 design Methods 0.000 abstract description 7
- 101000860173 Myxococcus xanthus C-factor Proteins 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D7/00—Controlling wind motors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
- F03D80/30—Lightning protection
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
- F03D80/60—Cooling or heating of wind motors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2270/00—Control
- F05B2270/30—Control parameters, e.g. input parameters
- F05B2270/328—Blade pitch angle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2270/00—Control
- F05B2270/50—Control logic embodiment by
- F05B2270/504—Control logic embodiment by electronic means, e.g. electronic tubes, transistors or IC's within an electronic circuit
-
- 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
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Emergency Protection Circuit Devices (AREA)
- Direct Current Feeding And Distribution (AREA)
Abstract
A variable pitch power supply management device comprises a first lightning protection module, a first AC/DC module, a second AC/DC module, a first DC/DC module, a fifth DC/DC module, a PLC module and a control unit, wherein alternating current is connected to the input ends of the first AC/DC module and the second AC/DC module through the first lightning protection module; the output ends of the second AC/DC module are respectively connected to the input ends of the second DC/DC module to the input end of the fifth DC/DC module; the outputs of the second DC/DC module, the second DC/DC module and the fourth DC/DC module are respectively connected to a pitch changing shaft cabinet A/B/C; the fifth DC/DC module is used as a redundant power supply; the output end of the first DC/DC module is connected with the output end of the first AC/DC module in parallel; the PLC module is respectively connected with a safety chain relay and an EFC relay in the variable propeller shaft cabinet A/B/C. The invention has compact and reasonable structural design and reduces the volume of the device; the variable-pitch control and the driving function are separated, and the safety is better.
Description
Technical Field
The invention belongs to the technical field of power supplies, and particularly relates to a power supply management device for a wind power pitch system.
Background
The variable pitch system is an important device for controlling and protecting the wind generating set above MW level and is a main brake system for stopping the fan. At present, most of variable pitch systems adopt a three-axis cabinet design, three axis cabinets have almost the same function and structure, each axis cabinet is provided with a charging module which has the same specification and is independent or integrated in a driver, and each axis cabinet is provided with a PLC module which is independent or integrated in the driver. The charging module is used as an important component in the variable pitch system, rectifies three-phase 400VAC into DC output required by the system, and supplies power for a backup power supply (super capacitor) of the variable pitch shaft cabinet and the driving module. The PLC module is a controller in the variable pitch system, and functions of logic control, signal acquisition, fault diagnosis and the like of the variable pitch system are achieved.
At present, the number of variable-pitch parts of a three-axis cabinet is large, particularly, a variable-pitch system adopting independent charging modules, PLC modules and drivers is adopted, and meanwhile, variable pitch is one of the largest influence factors of the failure rate and the downtime of a wind turbine generator. Therefore, further improvements in pitch integration and stability are desired.
Disclosure of Invention
In order to solve the problems in the prior art and optimize a pitch structure, the invention discloses a novel power management device for pitch control. Meanwhile, a lightning protection module, a PLC module, a DC/DC module and the like are integrated. The power management device is compact and reasonable in structural design, and compared with the total volume of 3 chargers and 3 groups of PLC modules in the existing design, the volume of the device is greatly reduced; compared with a driver integrated with a PLC module, a charging module and a driving module, the variable-pitch control and driving function is separated, and the safety is better. The power supply management device is arranged on the outer side of the A-axis cabinet, the space in the three-axis cabinet is released, and a space with large variable pitch capacity is provided.
The invention adopts the following technical scheme:
a variable pitch power supply management device comprises a first lightning protection module 1, a first AC/DC module 3, a second AC/DC module 4, first to fifth DC/DC modules, a PLC module 5 and a control unit 6; the method is characterized in that:
400V AC alternating current from the slip ring is connected to the input ends of the first AC/DC module 3 and the second AC/DC module 4 through the first lightning protection module 1;
the output terminals of the second AC/DC module 4 are respectively connected to the input terminals of the second to fifth DC/DC modules;
the output ends of the second DC/DC module 8, the third DC/DC module 9 and the fourth DC/DC module 10 are respectively connected with a driver of the pitch changing shaft cabinet A/B/C;
the positive electrode output of the fifth DC/DC module 11 is respectively connected with the positive electrode outputs of the second DC/DC module to the fourth DC/DC module through diodes, and the fifth DC/DC module 11 is connected with the common negative electrode of the second DC/DC module to the fourth DC/DC module;
after the 400V AC alternating current from the slip ring passes through the lightning protection module 1, 230V AC of one phase of three phases is connected into a shaft cabinet A, and then is connected into a shaft cabinet B and a shaft cabinet C in parallel through the shaft cabinet A, and is used for supplying power to a heater and a fan; the other three phases are connected with a power interface of the expansion cabinet;
the output end of the second DC/DC module 8 is connected with the input end of the first DC/DC module 7, and the output end of the first DC/DC module 7 is connected with the output end of the first AC/DC module 3 in parallel and is connected to the PLC module and the power supply end of the control unit;
the PLC module 5 integrates various communication protocols and is used for communicating with the fan main control unit 6 and the variable propeller shaft cabinet.
The invention further comprises the following preferred embodiments:
the first lightning protection module 1 is a 400V AC lightning protection module which is a serial modular surge protector (a 3+1 mode), and the lightning protection grade is 2 grade;
the second lightning protection module 2 is a signal lightning protection module which is a series connection composite lightning current/surge protection module and is used for protecting a non-electric isolation high-frequency transmission signal line which is directly or indirectly shielded and grounded;
the PLC module 5 is in master control communication with the fan through a CANopen/DP bus, receives a master control instruction and uploads variable pitch information;
the PLC module 5 is communicated with a driver of the pitch axis cabinet A/B/C through a CANopen bus, reads driver information and issues a pitch control instruction;
and channels corresponding to the DI/DO module of the PLC module 5 are respectively connected with a slip ring safety chain inlet wire and a safety chain relay in the variable propeller shaft cabinet A/B/C, so that safety chain control is realized.
The control unit 6 receives an instruction of the PLC module 5 through a CANopen bus and controls the start and stop of the first DC/DC module to the fifth DC/DC module; the fault diagnosis and the state monitoring of the power supply function in the power supply management device are realized, and the fault diagnosis and the running state are uploaded to the PLC module 5 through the CANopen bus.
The first AC/DC module 3 is a single-phase rectified AC/DC module, outputs 24V DC, and supplies power to the PLC module and the controller unit when the power management device is powered on and in normal operation;
the second AC/DC module is a 3-phase rectification AC/DC module and outputs 560V DC;
the input of the second DC/DC module to the fifth DC/DC module is 560V DC, the output of the second DC/DC module to the fifth DC/DC module is 450V DC, and the second DC/DC module to the fourth DC/DC module are respectively connected with a driver of the variable propeller shaft cabinet A/B/C to supply power for the driver; meanwhile, the super capacitor is connected through the shaft cabinet isolating switch to charge the super capacitor;
the fifth DC/DC module 11 is a redundant charging module, and when the voltages of the super capacitors are reduced to a set threshold value due to faults or overload of the second to fourth DC/DC modules, the fifth DC/DC module 11 supplies power to the variable pitch shaft cabinet through the diodes;
the first DC/DC module 7 is wide in input direct-current power supply, outputs 24V DC, and supplies power to the PLC module and the controller unit when the power management device operates normally and the power grid is powered off;
the variable pitch power supply management device further comprises a hoisting selection switch, the hoisting selection switch is connected in series in a DI loop of the power supply management device, when the fan blade is hoisted, the hoisting selection switch is triggered, the control unit 6 receives a DI signal, and the power supply management module operates in load reduction mode;
the power supply management device is also provided with a standby CANopen, Ethernet communication and 230V AC interface for connecting the expansion cabinet;
the power management device also comprises a closed metal shell, wherein a square heat dissipation aluminum plate is arranged below the shell, and the aluminum plate adopts a multi-tooth structure to increase the heat dissipation area;
the power management device also comprises an Ethernet port debugging interface.
Compared with the prior art, the technical scheme of the invention has the following beneficial technical effects:
integrated design: the power management module integrates a pitch PLC module, a lightning protection module, a 24V power module, a safety chain and the like, and integrates 4 paths of DC/DC output, so that the functions of controlling and supplying power to a pitch 3 shaft by 1 power management module are realized;
and (3) power supply redundancy design: and the three-axis box capacitor is designed in a common negative mode, and when one of the three charging modules of the power management module is damaged or overloaded to cause the reduction of the capacitor voltage, the redundant DC/DC is used for charging the super capacitor.
And (3) power grid isolation design: and an isolated AC/DC power supply is adopted, so that the power grid is effectively isolated, and the safety of pitch variation when the power grid has impact is ensured.
Drawings
FIG. 1 is a schematic structural diagram of a pitch power management apparatus according to the present invention;
FIG. 2 is a schematic interface diagram of the pitch power management apparatus according to the present invention.
Wherein the reference numerals have the following meanings:
the lightning protection device comprises a first lightning protection module 1, a second lightning protection module 2, a first AC/DC module 3, a second AC/DC module 4, a PLC module 5, a control unit 6, a first DC/DC module 7, a second DC/DC module 8, a third DC/DC module 9, a fourth DC/DC module 10, a fifth DC/DC module 11, a slip ring 400V power supply interface 12, a slip ring safety chain and a Canopen VAC interface 13, an Ethernet debugging interface 14, a hoisting switch interface 15, a 230 power supply interface 16, an expansion cabinet interface 17, an axis A power supply interface 18, an axis A signal interface 19, an axis B power supply interface 20, an axis B signal interface 21, an axis C power supply interface 22 and an axis C signal interface 23.
Detailed Description
The technical scheme of the invention is further described in detail by combining the drawings and the specific embodiments in the specification.
As shown in fig. 1, the pitch power management apparatus of the present invention includes a first lightning protection module 1, a second lightning protection module 2, a first AC/DC module 3, a second AC/DC module 4, first to fifth DC/DC modules, a PLC module 5, and a control unit 6.
The first lightning protection module 1 is a 400V AC lightning protection module, the module is a series surge protector (in a mode of 3+ 1), and the lightning protection grade is grade 2. The second AC/DC module 4 is a 3-phase rectification AC/DC module and outputs 560 VDC. 400V AC alternating current from the slip ring is connected to the input ends of the first AC/DC module 3 and the second AC/DC module 4 through the first lightning protection module 1; the output terminals of the second AC/DC module 4 are connected to the input terminals of the second to fifth DC/DC modules, respectively.
The second DC/DC module 8, the third DC/DC module 9 and the fourth DC/DC module 10 are modules with the same specification, the output voltage is the charging voltage of a variable pitch capacitor of 450V, and the outputs of the second DC/DC module 8, the third DC/DC module 9 and the fourth DC/DC module 10 are respectively connected with a driver of a variable pitch shaft cabinet A/B/C through diodes in the device to supply power for the drivers; and meanwhile, a super capacitor is connected with the separation rod in the shaft cabinet to charge the super capacitor.
The positive electrode output of the fifth DC/DC module 11 is respectively connected with the positive electrode outputs of the second DC/DC module to the fourth DC/DC module through diodes, and the fifth DC/DC module 11 is connected with the common negative electrode of the second DC/DC module to the fourth DC/DC module; when the voltages of the super capacitors are reduced to a set threshold value due to the fact that the second DC/DC module, the fourth DC/DC module and the fourth DC/DC module are in fault or overload, the fifth DC/DC module 11 charges the super capacitors of the variable-pitch A/B/C shaft cabinet through the diodes, and redundant power supply is achieved.
The output end of the second DC/DC module 8 is connected with the input end of the first DC/DC module 7, and the output end of the first DC/DC module 7 is connected with the output end of the first AC/DC module 3 in parallel and is connected to the PLC module and the power supply end of the control unit.
The first AC/DC module 3 is a single-phase rectified AC/DC module, outputs 24V DC, and supplies power to the PLC module 5 and the control unit 6 when the power management device is powered on and in normal operation. The first DC/DC module 7 is a wide-input direct-current power supply, outputs 24V DC, supplies power with the first AC/DC module 3 when the power management device normally operates, and supplies power separately when the power grid is powered off.
After the three phases pass through the lightning protection module 1, one phase 230V AC is connected into a variable propeller shaft cabinet A, and then is connected into a shaft cabinet B and a shaft cabinet C in parallel through the shaft cabinet A for supplying power to a heater and a fan; the other three phases are connected with the power interface of the expansion cabinet.
And channels corresponding to a DI/DO module of the PLC module 5 are respectively connected with a slip ring safety chain incoming line, a safety chain relay in a variable propeller shaft cabinet A/B/C and an EFC relay, so that safety chain control is realized. The PLC module 5 provides CANopen/DP and other buses to communicate with the master control of the fan, receives a master control instruction and uploads variable pitch information; and the PLC module 5 is communicated with a driver of the pitch axis cabinet A/B/C through a CANopen bus, reads driver information and issues a pitch control instruction.
The PLC module 5 and the control unit 6 communicate through a CANopen bus, and the control unit 6 receives an instruction of the PLC module 5 and controls the start and stop of the first DC/DC module, the second DC/DC module and the fifth DC/DC module; the fault diagnosis and the state monitoring of the power supply device are realized, and the fault diagnosis and the running state are uploaded to the PLC module 5 through the CANopen bus.
The power management device supports the expansion of the functional cabinet, provides a standby CANopen, Ethernet communication and 230V AC interface and is used for connecting the expansion cabinet.
As shown in fig. 2, an interface diagram of the pitch power management device of the present invention is shown, and the pitch power management device disclosed by the present invention includes 12 interfaces: the system comprises a slip ring 400V power supply interface 12, a slip ring safety chain and Canopen interface 13, an Ethernet debugging interface 14, a hoisting selection switch 15, a 230VAC power supply interface 16, an expansion cabinet interface 17, a shaft A power supply interface 18, a shaft A signal interface 19, a shaft B power supply interface 20, a shaft B signal interface 21, a shaft C power supply interface 22 and a shaft C signal interface 23.
The shaft A power supply interface 18, the shaft B power supply interface 20 and the shaft C power supply interface 22 are respectively connected with a driver through an interface of the pitch-variable shaft cabinet A/B/C to supply power to the corresponding shaft cabinet.
The shaft A signal interface 19, the shaft B signal interface 21 and the shaft C signal interface 23 are respectively connected with the interfaces of the pitch changing shaft cabinet A/B/C; wherein each interface comprises a safety chain signal, an Ethernet signal and CANopen communication.
The hoisting selection switch 15 is connected in series in a DI loop of the power management device, when the fan blade is hoisted, the hoisting selection switch is triggered, the control unit 6 receives a DI signal, and the power management module operates in load reduction.
And the Ethernet debugging interface 14 is used for connecting the PLC module 5 to perform program downloading, interface login, debugging and the like. Meanwhile, the power supply management device is communicated with the pitch axis cabinet A/B/C and the extension cabinet through the Ethernet, so that the power supply management device can be directly connected with a driver of the pitch axis cabinet A/B/C and communication equipment in the extension cabinet through a debugging interface.
While the best mode for carrying out the invention has been described in detail and illustrated in the accompanying drawings, it is to be understood that the same is by way of illustration and example only and is not to be taken by way of limitation, the scope of the invention should be determined by the appended claims and any changes or modifications which fall within the true spirit and scope of the invention should be construed as broadly described herein.
Claims (13)
1. A variable pitch power supply management device comprises a first lightning protection module (1), a first AC/DC module (3), a second AC/DC module (4), a first DC/DC module, a second DC/DC module, a fifth DC/DC module, a PLC module (5), an Ethernet debugging interface (14) and a control unit (6); the method is characterized in that:
400V AC alternating current from the slip ring is connected to the input ends of the first AC/DC module (3) and the second AC/DC module (4) through the first lightning protection module (1);
the output ends of the second AC/DC module (4) are respectively connected to the input ends of the second DC/DC module to the fifth DC/DC module;
the output ends of the second DC/DC module (8), the third DC/DC module (9) and the fourth DC/DC module (10) are respectively connected to a driver of the pitch changing shaft cabinet A/B/C;
the anode output of the fifth DC/DC module (11) is respectively connected with the anode outputs of the second DC/DC module to the fourth DC/DC module through a diode, and the fifth DC/DC module (11) is connected with the common cathode of the second DC/DC module to the fourth DC/DC module;
after 400V AC alternating current from the slip ring passes through the first lightning protection module (1), 230V AC of one phase of three phases is connected into a variable propeller shaft cabinet A, and then is connected into a shaft cabinet B and a shaft cabinet C in parallel through the shaft cabinet A for supplying power to a heater and a fan; the other 230V AC of the three phases is connected with a power interface of the expansion cabinet;
the output end of the second DC/DC module (8) is connected with the input end of the first DC/DC module (7), and the output end of the first DC/DC module (7) is connected with the output end of the first AC/DC module (3) in parallel and is connected to the PLC module and the power supply end of the control unit;
the PLC module (5) integrates various communication protocols and is used for communicating with the fan master control and control unit (6) and the variable pitch shaft cabinet;
and the Ethernet debugging interface (14) is used for connecting the PLC module (5) to download programs, log in interfaces and debug.
2. The pitch power management apparatus of claim 1, wherein:
the first lightning protection module (1) is a 400V AC lightning protection module, the lightning protection module is a series surge protector, and the lightning protection grade is 2 grade.
3. The pitch power management apparatus of claim 1, wherein:
the pitch-variable power management device further comprises a second lightning protection module (2), wherein the second lightning protection module (2) is a signal lightning protection module, and the second lightning protection module is a series connection composite lightning current/surge protection module and is used for protecting a non-electric isolation high-frequency transmission signal line which is directly or indirectly shielded and grounded.
4. The pitch power management apparatus of claim 1, wherein:
the PLC module (5) provides various communication protocols to communicate with the master control of the fan, receives master control instructions and uploads variable pitch information;
the PLC module (5) is communicated with a driver of the pitch axis cabinet A/B/C through a CANopen bus, reads driver information and issues a pitch control instruction;
and channels corresponding to the DI/DO module of the PLC module (5) are respectively connected with a slip ring safety chain incoming line and a safety chain relay in the variable propeller shaft cabinet A/B/C, so that safety chain control is realized.
5. The pitch power management apparatus of claim 4, wherein:
the control unit (6) receives an instruction of the PLC module (5) through a CANopen bus and controls the start and stop of the first DC/DC module, the second DC/DC module and the fifth DC/DC module; the fault diagnosis and the state monitoring of the power supply function in the power supply management device are realized, and the fault diagnosis and the running state are uploaded to the PLC module (5) through the CANopen bus.
6. A pitch power management apparatus according to claim 1 or 5, wherein:
the first AC/DC module (3) is a single-phase rectified AC/DC module, outputs 24V DC, and supplies power to the PLC module and the controller unit when the power management device is powered on and in normal operation.
7. The pitch power management apparatus of claim 6, wherein:
the second AC/DC module is a 3-phase rectification AC/DC module and outputs 560V DC.
8. The pitch power management apparatus of claim 5, wherein:
the input of the second DC/DC module to the fifth DC/DC module is 560V DC, the output of the second DC/DC module to the fifth DC/DC module is 450V DC, and the second DC/DC module to the fourth DC/DC module are respectively connected with the drivers of 3 shaft cabinets of the A/B/C phase of the variable pitch system to supply power for the drivers; and meanwhile, the shaft cabinet isolating switch is connected with the super capacitor to charge the super capacitor.
9. The pitch power management apparatus of claim 8, wherein:
the fifth DC/DC module (11) is a redundant charging module, and when the voltages of the super capacitors are reduced to a set threshold value due to the fact that the second DC/DC module, the fourth DC/DC module and the fourth DC/DC module are in failure or overload, the fifth DC/DC module (11) supplies power to the variable-pitch shaft cabinet through the diodes.
10. The pitch power management apparatus of claim 1, wherein:
the first DC/DC module (7) is a wide-input direct-current power supply, outputs 24V DC, and supplies power to the PLC module and the controller unit when the power management device is in normal operation and the power grid is in power failure.
11. The pitch power management apparatus of claim 1, wherein:
the variable-pitch power supply management device further comprises a hoisting selection switch, the hoisting selection switch is connected in series in a DI loop of the power supply management device, when the fan blade is hoisted, the hoisting selection switch is triggered, the control unit (6) receives a DI signal, and the power supply management device operates in a load reduction mode.
12. A pitch power management apparatus according to claim 1 or 11, wherein:
the power management device is also provided with a standby CANopen, Ethernet communication and a 230V AC interface for connecting the expansion cabinet.
13. The pitch power management apparatus of claim 12, wherein:
the power management device also comprises a closed metal shell, wherein a square heat dissipation aluminum plate is arranged below the shell, and the aluminum plate adopts a multi-tooth structure to increase the heat dissipation area;
the power management device also comprises an Ethernet port debugging interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910696564.6A CN110486224B (en) | 2019-07-30 | 2019-07-30 | Become oar power management device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910696564.6A CN110486224B (en) | 2019-07-30 | 2019-07-30 | Become oar power management device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110486224A CN110486224A (en) | 2019-11-22 |
| CN110486224B true CN110486224B (en) | 2021-06-29 |
Family
ID=68548809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910696564.6A Active CN110486224B (en) | 2019-07-30 | 2019-07-30 | Become oar power management device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110486224B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113238510A (en) * | 2021-05-26 | 2021-08-10 | 深圳众城卓越科技有限公司 | Fully-integrated variable-pitch control system |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203151128U (en) * | 2012-12-11 | 2013-08-21 | 江苏嘉钰新能源技术有限公司 | Three-way parallel output charging power supply module current sharing control system |
| CN203614322U (en) * | 2013-11-06 | 2014-05-28 | 北京天诚同创电气有限公司 | Variable-pitch control system in wind power generator unit and wind power generator unit |
| CN104300565A (en) * | 2014-10-14 | 2015-01-21 | 许继集团有限公司 | Pitch system and power supply method of pitch system |
| CN204578146U (en) * | 2015-04-10 | 2015-08-19 | 固安华电天仁控制设备有限公司 | A kind of back-up source for pitch-controlled system |
| CN204666719U (en) * | 2015-06-04 | 2015-09-23 | 北京华电天仁电力控制技术有限公司 | A kind of device for testing power for Wind Turbine Electric Pitch System system |
| CN105958839A (en) * | 2016-06-20 | 2016-09-21 | 许继集团有限公司 | Switching power supply device and variable propeller system control cabinet |
| CN205986638U (en) * | 2016-06-20 | 2017-02-22 | 许继集团有限公司 | Switching power supply device and change oar system control cabinet |
| CN207908945U (en) * | 2018-01-24 | 2018-09-25 | 固安华电天仁控制设备有限公司 | A kind of wind power pitch-controlled system supply voltage monitoring relay test-device |
| CN207908647U (en) * | 2018-01-24 | 2018-09-25 | 固安华电天仁控制设备有限公司 | A kind of wind turbine pitch system permanent magnet synchronous electric apparatus test device |
| CN109058042A (en) * | 2018-07-23 | 2018-12-21 | 中国东方电气集团有限公司 | A kind of integrated form wind power master control pitch-controlled system |
| CN109185058A (en) * | 2018-07-23 | 2019-01-11 | 沈阳大学 | A kind of wind-power electricity generation independent feathering control system based on TMS320F2812 |
| CN208595032U (en) * | 2018-05-31 | 2019-03-12 | 北京金风科创风电设备有限公司 | Integrated pitch control device and pitch-controlled system |
| CN109611272A (en) * | 2018-12-29 | 2019-04-12 | 固安华电天仁控制设备有限公司 | It is a kind of easily to replace without box variable blade control system |
-
2019
- 2019-07-30 CN CN201910696564.6A patent/CN110486224B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203151128U (en) * | 2012-12-11 | 2013-08-21 | 江苏嘉钰新能源技术有限公司 | Three-way parallel output charging power supply module current sharing control system |
| CN203614322U (en) * | 2013-11-06 | 2014-05-28 | 北京天诚同创电气有限公司 | Variable-pitch control system in wind power generator unit and wind power generator unit |
| CN104300565A (en) * | 2014-10-14 | 2015-01-21 | 许继集团有限公司 | Pitch system and power supply method of pitch system |
| CN204578146U (en) * | 2015-04-10 | 2015-08-19 | 固安华电天仁控制设备有限公司 | A kind of back-up source for pitch-controlled system |
| CN204666719U (en) * | 2015-06-04 | 2015-09-23 | 北京华电天仁电力控制技术有限公司 | A kind of device for testing power for Wind Turbine Electric Pitch System system |
| CN205986638U (en) * | 2016-06-20 | 2017-02-22 | 许继集团有限公司 | Switching power supply device and change oar system control cabinet |
| CN105958839A (en) * | 2016-06-20 | 2016-09-21 | 许继集团有限公司 | Switching power supply device and variable propeller system control cabinet |
| CN207908945U (en) * | 2018-01-24 | 2018-09-25 | 固安华电天仁控制设备有限公司 | A kind of wind power pitch-controlled system supply voltage monitoring relay test-device |
| CN207908647U (en) * | 2018-01-24 | 2018-09-25 | 固安华电天仁控制设备有限公司 | A kind of wind turbine pitch system permanent magnet synchronous electric apparatus test device |
| CN208595032U (en) * | 2018-05-31 | 2019-03-12 | 北京金风科创风电设备有限公司 | Integrated pitch control device and pitch-controlled system |
| CN109058042A (en) * | 2018-07-23 | 2018-12-21 | 中国东方电气集团有限公司 | A kind of integrated form wind power master control pitch-controlled system |
| CN109185058A (en) * | 2018-07-23 | 2019-01-11 | 沈阳大学 | A kind of wind-power electricity generation independent feathering control system based on TMS320F2812 |
| CN109611272A (en) * | 2018-12-29 | 2019-04-12 | 固安华电天仁控制设备有限公司 | It is a kind of easily to replace without box variable blade control system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110486224A (en) | 2019-11-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2900640C (en) | Parallel modular converter architecture | |
| JP5396670B2 (en) | Electrical network management method | |
| CN103545902B (en) | There is the electrical system of DC chain | |
| EP3002647A1 (en) | System and method for load balancing in a parallel modular converter system | |
| CN103306898B (en) | A kind of MW class wind turbine group pitch-controlled system and pitch control method thereof | |
| US9353731B2 (en) | Wind turbine | |
| CN103437954B (en) | Wind power variable pitch control system and wind power variable pitch system | |
| EP3012941B1 (en) | System and method for parallel power supply control for auxiliary converters of motor train unit in presence of interconnecting lines | |
| CN212579619U (en) | Energy supply device for a rail vehicle and rail vehicle | |
| US20140240880A1 (en) | Coordinated control method for power distribution system with dc bus electrification scheme and apparatus thereof | |
| CN106068591A (en) | The electric conversion of airborne vehicle and compartment system | |
| CN110486224B (en) | Become oar power management device | |
| CN110080942B (en) | Wind power generation variable pitch control system | |
| CN105471088B (en) | A be equipped with electric installation for wind generating set | |
| CN204216804U (en) | The distributed collecting and distributing frequency conversion control energy saving apparatus of cluster well oil extractor | |
| DK2736159T3 (en) | FREQUENCY CONVERTER SYSTEM AND WINDOW AND WATER ENERGY SYSTEMS | |
| CN102222973A (en) | Direct-current power supply device for variable-propeller controller of large wind motor | |
| CN203707801U (en) | Energy-saving high-power positioning capability ship hybrid electric propulsion system | |
| WO2010109262A2 (en) | A redundant, supercapacitor, back-up power supply for wind turbine conversion and control systems | |
| CN104578146A (en) | Control method, device and system for island operation of wind generating set | |
| CN206135421U (en) | Voltage stabilization group wells is DC inversion crowd's device altogether | |
| CN211405480U (en) | Ship direct-current networking power supply system with brake energy storage device | |
| CN202997984U (en) | Frequency changer KNKF energy-saving system of oil field pumping unit | |
| CN204119016U (en) | A kind of electric power system of inverter low voltage ride through control system | |
| EP4108910A1 (en) | Wind turbine power plant including auxiliary systems |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 065500 Guan County Industrial Park, Hebei, Langfang Applicant after: Guoneng information technology (Hebei) Co.,Ltd. Applicant after: Guoneng xinkong Internet Technology Co.,Ltd. Address before: 065500 North District of Gu'an Industrial Park, Gu'an County, Langfang City, Hebei Province Applicant before: GU'AN HUADIAN TIANREN CONTROL EQUIPMENT Co.,Ltd. Applicant before: BEIJING HUADIAN TIANREN ELECTRIC POWER CONTROL TECHNOLOGY Co.,Ltd. |
|
| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |