CN204559446U - A kind of wind generating set yaw control circuit - Google Patents
A kind of wind generating set yaw control circuit Download PDFInfo
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- CN204559446U CN204559446U CN201420760682.1U CN201420760682U CN204559446U CN 204559446 U CN204559446 U CN 204559446U CN 201420760682 U CN201420760682 U CN 201420760682U CN 204559446 U CN204559446 U CN 204559446U
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Abstract
A kind of wind generating set yaw control circuit of the utility model, for controlling yaw motor start and stop smoothly, be connected in driftage Enable Pin outside this wind generating set yaw control circuit, comprise an enable loop of driftage, one driftage is along reversing control loop and the main contact loop of a driftage, main contact loop of going off course comprises a clockwise time controling loop of driftage, one driftage inversion time control loop and a main contactor control loop, this wind generating set yaw control circuit comprises a soft initiator and a driftage time delayed turn-off loop further, utilize soft initiator when powering can according to the voltage of the state modulator input yaw motor preset according to necessarily increase progressively to power with production decline law and the time relay time delay break function thus avoid the great vibrations of wind generating set engine room that wind generating set yaw motor starts suddenly or shut down suddenly and then cause, the useful life affecting wind turbine generator further even causes potential safety hazard.
Description
Technical field
The present invention relates to wind turbine generator control field, particularly relate to a kind of wind generating set yaw control circuit.
Background technology
After wind turbine generator is because of request of going off course to situation generations such as wind, action driftage overbottom pressure electromagnetically operated valve release off-course brake also keeps certain damping, then wind generating set engine room starts yaw maneuver, stop driftage overbottom pressure electromagnetically operated valve to realize the braking of off-course brake after yaw maneuver completes, terminate driftage.
After wind turbine generator produces the request of untying the mooring rope; off-course brake can be discharged completely by the driftage of action simultaneously overbottom pressure electromagnetically operated valve with the zero-pressure electromagnetically operated valve undamped ground that unties the mooring rope; shut down after engine room to start driftage and to untie the mooring rope action; stop driftage overbottom pressure electromagnetically operated valve and the zero-pressure electromagnetically operated valve that unties the mooring rope to realize off-course brake braking after action of untying the mooring rope completes simultaneously, terminate to untie the mooring rope.
Wind turbine generator start stop driftage process in, the electric current that the electric current starting yaw motor is directly carried on yaw motor or when directly normally being run by motor by the electric current be carried on motor is down to 0V by usual employing, yaw motor is jerked and is shut down suddenly the judder often causing whole wind turbine generator, What is more can cause the generation of security incident, simultaneously, the unexpected startup of yaw system and out of service suddenly, strong impact can cause driftage bearing, yaw motor, the useful life of the mechanical parts such as uni-drive gear box reduces greatly.
Summary of the invention
The object of the invention is the defect existed for above-mentioned background technology, a kind of wind generating set yaw control circuit is provided.
For achieving the above object, a kind of wind generating set yaw control circuit, for controlling the level and smooth machine that opens of yaw motor and shutdown, be connected in driftage Enable Pin outside this wind generating set yaw control circuit, comprise an enable loop of driftage, one driftage is along reversing control loop and the main contact loop of a driftage, main contact loop of going off course at least comprises a main contactor control loop, driftage comprises the clockwise control loop of a driftage and the counterclockwise control loop of a driftage along reversing control loop, wind generating set yaw control circuit comprises a soft initiator and a driftage time delayed turn-off loop further, described driftage time delayed turn-off loop is made up of a clockwise time delayed turn-off loop of driftage and a counterclockwise time delayed turn-off loop of driftage further, the total enable rear end of driftage is connected to after described driftage clockwise time delayed turn-off loop and the loop parallel connection of described driftage counterclockwise time delayed turn-off, described driftage clockwise time delayed turn-off loop and the counterclockwise time delayed turn-off loop of described driftage include a time delayed turn-off circuit switching and a time relay, the described time relay is undertaken powering by total Enable Pin of going off course and is in charged standby condition always, the shutoff of described time delayed turn-off circuit switching is controlled selectively by the enable loop of described driftage, the clockwise control loop of described driftage and counterclockwise control loop of going off course carry out break-make selectively by the described time relay and control.
Further, the described time relay is the time relay should at least with delayed-breaking-off function.
Further, the enable loop of described driftage comprises a clockwise enable loop of driftage and a counterclockwise enable loop of driftage further, the clockwise enable loop of described driftage comprises a manual clockwise enable loop of driftage automatically, the clockwise enable loop of driftage and further, and the clockwise enable loop of described manual driftage and the clockwise enable loop of described automatic driftage share the clockwise enable contact and one and the first relay of described clockwise enable contact series that is in normally off.
Further, the clockwise enable loop of described manual driftage comprises a clockwise hand switch module further, the input of this clockwise hand switch one end and described clockwise enable contact connects, the other end is connected with the total Enable Pin of described driftage, the clockwise enable loop of described automatic driftage comprises the clockwise automatic switch module that is in normally open further, the input of this described clockwise enable contact of access, clockwise automatic switch module one end.
Further, electrical structure and the electric state in described driftage is counterclockwise enable loop are identical with the clockwise enable loop of described driftage, counterclockwise enable loop of namely going off course described in this comprise a counterclockwise enable contact, one and the second relay of described clockwise enable contact series, a counterclockwise hand switch module and a counterclockwise automatic switch module output be jointly connected to described clockwise enable contact output.
Further, electrical structure and the electric state in described driftage is counterclockwise enable loop are identical with the clockwise enable loop of described driftage, counterclockwise enable loop of namely going off course described in this comprise a counterclockwise enable contact, one and the second relay of described clockwise enable contact series, a counterclockwise hand switch module and a counterclockwise automatic switch module output be jointly connected to described clockwise enable contact output.
Further, the input of described counterclockwise automatic switch module and the input of clockwise automatic switch module are all connected to by a switch module goes off course in Enable Pin automatically, the output of counterclockwise automatic switch module is connected to the input of counterclockwise enable contact, and the output of clockwise automatic switch module is connected to the input of clockwise enable contact.
Further, described first relay at least comprises one for opening first soft enable clockwise contact of described soft initiator and the first time delayed turn-off Loop Contacts for starting the clockwise time delayed turn-off loop of described driftage, and described first soft contact and time delayed turn-off Loop Contacts are normally open.
Further, described second relay at least comprises second soft enable counterclockwise contact of the described soft initiator of a unlatching and for starting the second time delayed turn-off Loop Contacts in the counterclockwise time delayed turn-off loop of described driftage, and second soft contact and time delayed turn-off Loop Contacts are normally open.
Further, described driftage comprises the clockwise control loop of a driftage and the counterclockwise control loop of a driftage further along reversing control loop, is connected to the total enable rear end of driftage after the clockwise control loop of described driftage and the parallel connection of described driftage counterclockwise control loop.
Further, the clockwise control loop of described driftage comprises that a driftage clockwise control loop make break contact, is connected with the clockwise control loop make break contact of described driftage further and the driftage being in normally off controls contact clockwise, first contactor controlling contact series further with described driftage clockwise.
Further, the electrical structure of described driftage is counterclockwise control loop is identical with described driftage clockwise control loop electric state, and namely the counterclockwise control loop of described driftage comprises that a driftage counterclockwise control loop make break contact, is connected with described driftage counterclockwise control loop make break contact and the driftage being in normally off controls contact, controls contact series further counterclockwise the second contactor with described driftage counterclockwise.
Further, described first contactor at least comprises three normally opened contacts and two normally-closed contacts, wherein, three normally opened contacts carry out start and stop for controlling described yaw motor by clockwise yaw direction, wherein a normally-closed contact is the counterclockwise enable contact of described driftage be arranged on the counterclockwise enable loop of described driftage, and another normally-closed contact is that the described driftage be arranged on the counterclockwise control loop of described driftage controls contact counterclockwise.
Further, described second contactor at least comprises three normally opened contacts and two normally-closed contacts, wherein, three normally opened contacts carry out start and stop for controlling described yaw motor by counterclockwise yaw direction, wherein a normally-closed contact is be arranged on the described clockwise enable contact on the clockwise enable loop of described driftage, and another normally-closed contact is that the described driftage be arranged on the clockwise control loop of described driftage controls contact clockwise.
Further, described driftage is counterclockwise enable contact and described driftage control contact counterclockwise and jointly form the counterclockwise Safe control switch module of driftage, wind turbine generator is when carrying out clockwise yaw maneuver, and described driftage is counterclockwise enable contact and described driftage control contact counterclockwise and be disconnected; The clockwise enable contact of described driftage and described driftage control contact clockwise and jointly form the clockwise Safe control switch module of driftage; Wind turbine generator is when carrying out counterclockwise yaw maneuver, and the clockwise enable contact of described driftage and described driftage control contact clockwise and be disconnected.
Further, in the total enable rear end of driftage after the parallel connection of described main contactor control loop, described main contactor control loop is the 3rd relay at least comprising that three are in the contact of normally open, and described in this, the 3rd relay is for connecting the current supply circuit of yaw motor.
Further, described driftage clockwise control loop make break contact by being in the contact of often opening and realizing break-make and control of the time relay of the clockwise turn-off circuit of described driftage, described driftage is counterclockwise control loop make break contact by tell one of the time relay of counterclockwise turn-off circuit of going off course and be in the contact of often opening and realize break-make and control.
In sum, a kind of wind generating set yaw control circuit provided by the invention utilizes soft initiator can to power with production decline law and the time delay break function of the time relay according to necessarily increasing progressively according to the voltage of the state modulator input yaw motor preset when powering, yaw motor starts suddenly or shuts down suddenly and then the great vibrations of wind generating set engine room that causes and even cause potential safety hazard the useful life affecting wind turbine generator, particularly, because of unexpected by the voltage-drop loading on yaw motor to rated voltage or suddenly the voltage on yaw motor is down to 0V and causes yaw motor to start suddenly or shut down suddenly the great vibrations of the wind generating set engine room inevitably caused, the useful life affecting wind turbine generator further even causes potential safety hazard.
Accompanying drawing explanation
Fig. 1 is a kind of wind generating set yaw circuit diagram of the present invention, the state of each device when this schematic diagram especially illustrates that driftage circuit is in not operating state.
Embodiment
By describing technology contents of the present invention, structural feature in detail, being reached object and effect, hereby exemplify embodiment below and coordinate accompanying drawing to be explained in detail.
Refer to Fig. 1; a kind of wind generating set yaw control circuit; for controlling the level and smooth machine that opens of yaw motor and shutdown; be connected in driftage Enable Pin outside this wind generating set yaw control circuit; comprise an enable loop of driftage, a driftage along reversing control loop and the main contact loop of a driftage; main contact loop of going off course at least comprises a main contactor control loop, and driftage comprises the clockwise control loop of a driftage and the counterclockwise control loop of a driftage along reversing control loop.
Wind generating set yaw control circuit comprises a soft initiator and a driftage time delayed turn-off loop further, described driftage time delayed turn-off loop is made up of a clockwise time delayed turn-off loop of driftage and a counterclockwise time delayed turn-off loop of driftage further, the total enable rear end of driftage is connected to after described driftage clockwise time delayed turn-off loop and the loop parallel connection of described driftage counterclockwise time delayed turn-off, described driftage clockwise time delayed turn-off loop and the counterclockwise time delayed turn-off loop of described driftage include a time delayed turn-off circuit switching and a time relay, the described time relay is undertaken powering by total Enable Pin of going off course and is in charged standby condition always, the shutoff of described time delayed turn-off circuit switching is controlled selectively by the enable loop of described driftage, the clockwise control loop of described driftage and counterclockwise control loop of going off course carry out break-make selectively by the described time relay and control.
The described time relay is the time relay should at least with delayed-breaking-off function.
The enable loop of described driftage comprises a clockwise enable loop of driftage and a counterclockwise enable loop of driftage further, the clockwise enable loop of described driftage comprises a manual clockwise enable loop of driftage automatically, the clockwise enable loop of driftage and further, and the clockwise enable loop of described manual driftage and the clockwise enable loop of described automatic driftage share the clockwise enable contact and one and the first relay of described clockwise enable contact series that is in normally off.
The clockwise enable loop of described manual driftage comprises a clockwise hand switch module further, the input of this clockwise hand switch one end and described clockwise enable contact connects, the other end is connected with the total Enable Pin of described driftage, the clockwise enable loop of described automatic driftage comprises the clockwise automatic switch module that is in normally open further, the input of this described clockwise enable contact of access, clockwise automatic switch module one end.
Electrical structure and the electric state in described driftage is counterclockwise enable loop are identical with the clockwise enable loop of described driftage, counterclockwise enable loop of namely going off course described in this comprise a counterclockwise enable contact, one and the second relay of described clockwise enable contact series, a counterclockwise hand switch module and a counterclockwise automatic switch module output be jointly connected to described clockwise enable contact output.
The input of described counterclockwise automatic switch module and the input of clockwise automatic switch module are all connected to by a switch module goes off course in Enable Pin automatically, the output of counterclockwise automatic switch module is connected to the input of counterclockwise enable contact, and the output of clockwise automatic switch module is connected to the input of clockwise enable contact.
Described first relay at least comprises one for opening first soft enable clockwise contact of described soft initiator and the first time delayed turn-off Loop Contacts for starting the clockwise time delayed turn-off loop of described driftage, and described first soft contact and time delayed turn-off Loop Contacts are normally open.
Described second relay at least comprises second soft enable counterclockwise contact of the described soft initiator of a unlatching and for starting the second time delayed turn-off Loop Contacts in the counterclockwise time delayed turn-off loop of described driftage, and second soft contact and time delayed turn-off Loop Contacts are normally open.
Described driftage comprises the clockwise control loop of a driftage and the counterclockwise control loop of a driftage further along reversing control loop, is connected to the total enable rear end of driftage after the clockwise control loop of described driftage and the parallel connection of described driftage counterclockwise control loop.
The clockwise control loop of described driftage comprises that a driftage clockwise control loop make break contact, is connected with the clockwise control loop make break contact of described driftage further and the driftage being in normally off controls contact clockwise, first contactor controlling contact series further with described driftage clockwise.
The electrical structure of described driftage is counterclockwise control loop is identical with described driftage clockwise control loop electric state, and namely the counterclockwise control loop of described driftage comprises that a driftage counterclockwise control loop make break contact, is connected with described driftage counterclockwise control loop make break contact and the driftage being in normally off controls contact, controls contact series further counterclockwise the second contactor with described driftage counterclockwise.
Described first contactor at least comprises three normally opened contacts and two normally-closed contacts, wherein, three normally opened contacts carry out start and stop for controlling described yaw motor by clockwise yaw direction, wherein a normally-closed contact is the counterclockwise enable contact of described driftage be arranged on the counterclockwise enable loop of described driftage, for guaranteeing that counterclockwise enable loop of going off course when carrying out clockwise yaw maneuver, the counterclockwise enable loop of driftage is in off-state; Another normally-closed contact is that the described driftage be arranged on the counterclockwise control loop of described driftage controls contact counterclockwise, is in off-state for counterclockwise control loop of guaranteeing to go off course counterclockwise control loop of going off course when carrying out counterclockwise yaw maneuver.
Described second contactor at least comprises three normally opened contacts and two normally-closed contacts, wherein, three normally opened contacts carry out start and stop for controlling described yaw motor by counterclockwise yaw direction, wherein a normally-closed contact is be arranged on the described clockwise enable contact on the clockwise enable loop of described driftage, for guaranteeing that clockwise enable loop of going off course when carrying out counterclockwise yaw maneuver, the clockwise enable loop of driftage is in off-state; Another normally-closed contact is that the described driftage be arranged on the clockwise control loop of described driftage controls contact clockwise, is in off-state for clockwise control loop of guaranteeing to go off course clockwise control loop of going off course when carrying out counterclockwise yaw maneuver.
Described driftage is counterclockwise enable contact and described driftage control contact counterclockwise and jointly form the counterclockwise Safe control switch module of driftage, wind turbine generator is when carrying out clockwise yaw maneuver, and described driftage is counterclockwise enable contact and described driftage control contact counterclockwise and be disconnected; The clockwise enable contact of described driftage and described driftage control contact clockwise and jointly form the clockwise Safe control switch module of driftage; Wind turbine generator is when carrying out counterclockwise yaw maneuver, and the clockwise enable contact of described driftage and described driftage control contact clockwise and be disconnected.
In the total enable rear end of driftage after the parallel connection of described main contactor control loop, described main contactor control loop is the 3rd relay at least comprising that three are in the contact of normally open, and described in this, the 3rd relay is for connecting the current supply circuit of yaw motor.
Described driftage clockwise control loop make break contact by being in the contact of often opening and realizing break-make and control of the time relay of the clockwise turn-off circuit of described driftage, described driftage is counterclockwise control loop make break contact by tell one of the time relay of counterclockwise turn-off circuit of going off course and be in the contact of often opening and realize break-make and control.
Described 3rd relay is for connecting the current supply circuit of yaw motor.
The time span that the time span T that described time relay time delay is broken can be arranged according to described soft initiator determines.
Control for manual clockwise driftage below and manual-lock is gone off course clockwise and to be described a kind of wind generating set yaw control circuit of the present invention, its specific works principle is as follows:
Manual control of going off course clockwise
The input of driftage enable signal, three normally opened contacts on main contactor control loop on the 3rd relay closes the 3rd relay are to connect yaw motor current supply circuit, manual closing is gone off course enable switch clockwise, wherein first soft contact adhesive of the first relay on the manual clockwise enable loop of driftage also controls to make soft initiator according to certain progressive law, the voltage be carried on yaw motor is increased to operating voltage under the parameter of setting, first time delayed turn-off Loop Contacts adhesive of the first relay, being positioned at driftage take advantage of a situation pin time delayed turn-off loop another contact also adhesive with connects driftage take advantage of a situation pin time delayed turn-off loop and encourage the very first time relay operation, the clockwise time controling circuit switching contact of this very first time this time relay of relay closes is to connect the clockwise time controling loop of driftage, 3rd relay in described driftage clockwise time controling loop disconnects the clockwise control loop make break contact of driftage on the 3rd relay, two be respectively used to control driftage counterclockwise enable loop on the counterclockwise enable contact of driftage and the driftage on counterclockwise control loop of going off course control counterclockwise contact disconnect, ensure uniqueness and the fail safe of yaw direction.
Manual-lock is gone off course clockwise
Manual-lock take advantage of a situation pin driftage, the control logic in each loop is identical, its difference is: disconnect the clockwise control loop switch module of driftage after time relay time delay a period of time T, in this section of time T, the voltage be carried on yaw motor reduces gradually to 0V according to presetting production decline law by soft starter, meanwhile, three normally opened contacts on main tentaculum control loop on the 3rd relay are because disconnecting without enable signal input.
In sum, a kind of wind generating set yaw control circuit provided by the invention utilizes soft initiator can to power with production decline law and the time delay break function of the time relay according to necessarily increasing progressively according to the voltage of the state modulator input yaw motor preset when powering, yaw motor starts suddenly or shuts down suddenly and then the great vibrations of wind generating set engine room that causes and even cause potential safety hazard the useful life affecting wind turbine generator, particularly, because of unexpected by the voltage-drop loading on yaw motor to rated voltage or suddenly the voltage on yaw motor is down to 0V and causes yaw motor to start suddenly or shut down suddenly the great vibrations of the wind generating set engine room inevitably caused, the useful life affecting wind turbine generator further even causes potential safety hazard.
Above-described technical scheme is only the preferred embodiment of a kind of wind generating set yaw control circuit of the present invention, and any equivalent transformation of doing on a kind of wind generating set yaw control circuit of the present invention basis or replacement are included within the scope of the claim of this patent.
Claims (16)
1. a wind generating set yaw control circuit, for controlling the level and smooth machine that opens of yaw motor and shutdown, be connected in driftage Enable Pin outside this wind generating set yaw control circuit, comprise an enable loop of driftage, one driftage is along reversing control loop and the main contact loop of a driftage, main contact loop of going off course at least comprises a main contactor control loop, driftage comprises the clockwise control loop of a driftage and the counterclockwise control loop of a driftage along reversing control loop, it is characterized in that: wind generating set yaw control circuit comprises a soft initiator and a driftage time delayed turn-off loop further, described driftage time delayed turn-off loop is made up of a clockwise time delayed turn-off loop of driftage and a counterclockwise time delayed turn-off loop of driftage further, the total enable rear end of driftage is connected to after described driftage clockwise time delayed turn-off loop and the loop parallel connection of described driftage counterclockwise time delayed turn-off, described driftage clockwise time delayed turn-off loop and the counterclockwise time delayed turn-off loop of described driftage include a time delayed turn-off circuit switching and a time relay, the described time relay is undertaken powering by total Enable Pin of going off course and is in charged standby condition always, the shutoff of described time delayed turn-off circuit switching is controlled selectively by the enable loop of described driftage, the clockwise control loop of described driftage and counterclockwise control loop of going off course carry out break-make selectively by the described time relay and control.
2. a kind of wind generating set yaw control circuit according to claim 1, is characterized in that: the described time relay is the time relay should at least with delayed-breaking-off function.
3. a kind of wind generating set yaw control circuit according to claim 2, it is characterized in that: the enable loop of described driftage comprises a clockwise enable loop of driftage and a counterclockwise enable loop of driftage further, the clockwise enable loop of described driftage comprises a manual clockwise enable loop of driftage automatically, the clockwise enable loop of driftage and further, and the clockwise enable loop of described manual driftage and the clockwise enable loop of described automatic driftage share the clockwise enable contact and one and the first relay of described clockwise enable contact series that is in normally off.
4. a kind of wind generating set yaw control circuit according to claim 3, it is characterized in that: the clockwise enable loop of described manual driftage comprises a clockwise hand switch module further, the input of this clockwise hand switch one end and described clockwise enable contact connects, the other end is connected with the total Enable Pin of described driftage, the clockwise enable loop of described automatic driftage comprises the clockwise automatic switch module that is in normally open further, the input of this described clockwise enable contact of access, clockwise automatic switch module one end.
5. a kind of wind generating set yaw control circuit according to claim 4, it is characterized in that: electrical structure and the electric state in described driftage is counterclockwise enable loop are identical with the clockwise enable loop of described driftage, counterclockwise enable loop of namely going off course described in this comprise a counterclockwise enable contact, one and the second relay of described clockwise enable contact series, a counterclockwise hand switch module and a counterclockwise automatic switch module output be jointly connected to described clockwise enable contact output.
6. a kind of wind generating set yaw control circuit according to claim 5, it is characterized in that: the input of described counterclockwise automatic switch module and the input of clockwise automatic switch module are all connected to by a switch module goes off course in Enable Pin automatically, the output of counterclockwise automatic switch module is connected to the input of counterclockwise enable contact, and the output of clockwise automatic switch module is connected to the input of clockwise enable contact.
7. a kind of wind generating set yaw control circuit according to any one of claim 3,4,6, it is characterized in that: described first relay at least comprises one for opening first soft enable clockwise contact of described soft initiator and the first time delayed turn-off Loop Contacts for starting the clockwise time delayed turn-off loop of described driftage, and described first soft contact and time delayed turn-off Loop Contacts are normally open.
8. a kind of wind generating set yaw control circuit according to claim 5 or 6, it is characterized in that: described second relay at least comprises second soft enable counterclockwise contact of the described soft initiator of a unlatching and for starting the second time delayed turn-off Loop Contacts in the counterclockwise time delayed turn-off loop of described driftage, and second soft contact and time delayed turn-off Loop Contacts are normally open.
9. a kind of wind generating set yaw control circuit according to claim 1, is characterized in that: be connected to the total enable rear end of driftage after the clockwise control loop of described driftage and the parallel connection of described driftage counterclockwise control loop.
10. a kind of wind generating set yaw control circuit according to claim 9, it is characterized in that: the clockwise control loop of described driftage comprises that a driftage clockwise control loop make break contact, is connected with the clockwise control loop make break contact of described driftage further and the driftage being in normally off controls contact clockwise, first contactor controlling contact series further with described driftage clockwise.
11. a kind of wind generating set yaw control circuits according to claim 10, it is characterized in that: the electrical structure of described driftage is counterclockwise control loop is identical with described driftage clockwise control loop electric state, namely the counterclockwise control loop of described driftage comprises that a driftage counterclockwise control loop make break contact, is connected with described driftage counterclockwise control loop make break contact and the driftage being in normally off controls contact, controls contact series further counterclockwise the second contactor with described driftage counterclockwise.
12. a kind of wind generating set yaw control circuits according to claim 10 or 11, it is characterized in that: described first contactor at least comprises three normally opened contacts and two normally-closed contacts, wherein, three normally opened contacts carry out start and stop for controlling described yaw motor by clockwise yaw direction, wherein a normally-closed contact is the counterclockwise enable contact of described driftage be arranged on the counterclockwise enable loop of described driftage, and another normally-closed contact is that the described driftage be arranged on the counterclockwise control loop of described driftage controls contact counterclockwise.
13. a kind of wind generating set yaw control circuits according to claim 11, it is characterized in that: described second contactor at least comprises three normally opened contacts and two normally-closed contacts, wherein, three normally opened contacts carry out start and stop for controlling described yaw motor by counterclockwise yaw direction, wherein a normally-closed contact is be arranged on the described clockwise enable contact on the clockwise enable loop of described driftage, and another normally-closed contact is that the described driftage be arranged on the clockwise control loop of described driftage controls contact clockwise.
14. a kind of wind generating set yaw control circuits according to claim 9 or 10, it is characterized in that: described driftage is counterclockwise enable contact and described driftage control contact counterclockwise and jointly form the counterclockwise Safe control switch module of driftage, wind turbine generator is when carrying out clockwise yaw maneuver, and described driftage is counterclockwise enable contact and described driftage control contact counterclockwise and be disconnected; The clockwise enable contact of described driftage and described driftage control contact clockwise and jointly form the clockwise Safe control switch module of driftage; Wind turbine generator is when carrying out counterclockwise yaw maneuver, and the clockwise enable contact of described driftage and described driftage control contact clockwise and be disconnected.
15. a kind of wind generating set yaw control circuits according to claim 1, it is characterized in that: in the total enable rear end of driftage after the parallel connection of described main contactor control loop, described main contactor control loop is the 3rd relay at least comprising that three are in the contact of normally open, and described in this, the 3rd relay is for connecting the current supply circuit of yaw motor.
16. a kind of wind generating set yaw control circuits according to claim 11 or 15, it is characterized in that: described driftage clockwise control loop make break contact by being in the contact of often opening and realizing break-make and control of the time relay of the clockwise turn-off circuit of described driftage, described driftage is counterclockwise control loop make break contact by tell one of the time relay of counterclockwise turn-off circuit of going off course and be in the contact of often opening and realize break-make and control.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420760682.1U CN204559446U (en) | 2014-12-05 | 2014-12-05 | A kind of wind generating set yaw control circuit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420760682.1U CN204559446U (en) | 2014-12-05 | 2014-12-05 | A kind of wind generating set yaw control circuit |
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| CN204559446U true CN204559446U (en) | 2015-08-12 |
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| CN201420760682.1U Withdrawn - After Issue CN204559446U (en) | 2014-12-05 | 2014-12-05 | A kind of wind generating set yaw control circuit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105508137A (en) * | 2015-12-28 | 2016-04-20 | 国电南瑞科技股份有限公司 | Control system for preventing draught fan from running away |
| CN105720863A (en) * | 2014-12-05 | 2016-06-29 | 成都阜特科技股份有限公司 | Yaw control circuit for wind generating set |
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2014
- 2014-12-05 CN CN201420760682.1U patent/CN204559446U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105720863A (en) * | 2014-12-05 | 2016-06-29 | 成都阜特科技股份有限公司 | Yaw control circuit for wind generating set |
| CN105720863B (en) * | 2014-12-05 | 2018-12-25 | 成都阜特科技股份有限公司 | A kind of wind generating set yaw control circuit |
| CN105508137A (en) * | 2015-12-28 | 2016-04-20 | 国电南瑞科技股份有限公司 | Control system for preventing draught fan from running away |
| CN105508137B (en) * | 2015-12-28 | 2018-11-30 | 国电南瑞科技股份有限公司 | A kind of control system preventing blower hypervelocity driving |
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| C14 | Grant of patent or utility model | ||
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| AV01 | Patent right actively abandoned | ||
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Granted publication date: 20150812 Effective date of abandoning: 20181225 |