CN105715451A - Yaw control circuit of wind generating set - Google Patents
Yaw control circuit of wind generating set Download PDFInfo
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- CN105715451A CN105715451A CN201410734466.4A CN201410734466A CN105715451A CN 105715451 A CN105715451 A CN 105715451A CN 201410734466 A CN201410734466 A CN 201410734466A CN 105715451 A CN105715451 A CN 105715451A
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- driftage
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- 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
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Abstract
The invention provides a yaw control circuit of a wind generating set. The yaw control circuit is used for controlling a yaw motor to be started and stopped smoothly. The yaw control circuit of the wind generating set is externally connected to a yaw enabled end and comprises a yaw enabled loop, a yaw clockwise-and-anticlockwise rotation control loop and a yaw main contact loop. The yaw main contact loop comprises a yaw clockwise rotation time control loop, a yaw anticlockwise rotation time control loop and a main contactor control loop. The yaw control circuit of the wind generating set further comprises a soft starter and a yaw switch-off delay loop. By means of the soft starter, when power is supplied, voltage input to the yaw motor can be controlled according to preset parameters to be supplied according to certain progressive increasing and decreasing laws, the switch-off delay function of a time relay can be controlled, and therefore the situation that when the yaw motor of the wind generating set is suddenly started or suddenly stopped, huge vibration of a cabin of the wind generating set is caused, the service life of the wind generating set is further affected and even potential safety hazards are caused is avoided.
Description
Technical field
The present invention relates to wind power generating set control field, particularly relate to a kind of wind generating set yaw control circuit.
Background technology
When wind power generating set is because of after producing driftage request to situations such as wind, action driftage overbottom pressure electromagnetic valve release off-course brake also keeps certain damping, then wind generating set engine room starts yaw maneuver, yaw maneuver stops driftage overbottom pressure electromagnetic valve and realizes the braking of off-course brake after completing, terminate driftage.
After wind power generating set produces the request of untying the mooring rope; off-course brake can be discharged completely by the driftage overbottom pressure electromagnetic valve of action simultaneously with the zero-pressure electromagnetic valve undamped ground that unties the mooring rope; shut down after engine room to start driftage and untie the mooring rope action; action of untying the mooring rope stops driftage overbottom pressure electromagnetic valve simultaneously after completing and the zero-pressure electromagnetic valve that unties the mooring rope realizes off-course brake braking, terminates to untie the mooring rope.
Wind power generating set start stop driftage process in, generally adopt and the electric current starting yaw motor is loaded directly on yaw motor or directly the electric current being carried on motor is down to 0V by motor electric current time properly functioning, yaw motor is jerked and shuts down suddenly the judder often causing whole wind power generating set, What is more can cause the generation of security incident, simultaneously, starting suddenly and out of service suddenly of yaw system, strong impact can cause yaw, yaw motor, the service life of the mechanical parts such as uni-drive gear box is substantially reduced.
Summary of the invention
It is an object of the invention to the defect existed for above-mentioned background technology, it is provided that a kind of wind generating set yaw control circuit.
For achieving the above object, one wind generating set yaw control circuit of the present invention, for controlling the smooth machine that opens of yaw motor and shutdown, it is connected in driftage Enable Pin outside this wind generating set yaw control circuit, loop is enabled including a driftage, one driftage controls loop and a main contact loop of driftage along reversing, main contact loop of going off course includes a driftage clockwise time control loop, one driftage inversion time controls loop and a main contactor controls loop, wind generating set yaw control circuit farther includes a soft initiator and a driftage time delayed turn-off loop, described driftage time delayed turn-off loop is made up of a driftage time delayed turn-off loop clockwise and a driftage time delayed turn-off loop counterclockwise further, it is connected to driftage behind described driftage time delayed turn-off clockwise loop and described driftage time delayed turn-off loop parallel connection counterclockwise and always enables rear end, described driftage time delayed turn-off clockwise loop and described driftage time delayed turn-off loop counterclockwise all include a time delayed turn-off circuit switching and a time relay, this described time relay is powered and is constantly in charged SBR by total Enable Pin of going off course, the shutoff of described time delayed turn-off circuit switching is enabled loop by described driftage and controls selectively, the described time relay controls the break-make in loop and described driftage inversion time control loop by controlling the described driftage clockwise time selectively and then realizes described driftage along reversing the selectivity break-make control controlling loop.
Further, the described time relay at least should have the time relay of delayed-breaking-off function.
Further, described driftage enable loop farther include a driftage enable clockwise loop and one driftage enable loop counterclockwise, described driftage enable clockwise loop farther include one manually driftage enable loop clockwise and an automatic driftage enables loop clockwise, described manual driftage enables loop and described automatic driftage clockwise and enables loop clockwise and share an enable contact clockwise being in normally off and one and the first relay of described enable contact series clockwise.
Further, described manual driftage enables loop clockwise and farther includes a hand switch module clockwise, the input of this hand switch one end clockwise and described enable contact clockwise connects, the other end is connected with the total Enable Pin of described driftage, described automatic driftage enables loop clockwise and farther includes an automatic clockwise switch module being in normally open, and this accesses the input of described enable contact clockwise in automatic switch module one end clockwise.
Further, described driftage enable the electrical structure in loop counterclockwise and electric state to enable loop clockwise with described driftage identical, namely this described driftage enable counterclockwise loop include one enable counterclockwise contact, one and the second relay of described enable contact series clockwise, a hand switch module counterclockwise and counterclockwise automatically switch module outfan be commonly connected to described enable contact clockwise outfan.
Further, described driftage enable the electrical structure in loop counterclockwise and electric state to enable loop clockwise with described driftage identical, namely this described driftage enable counterclockwise loop include one enable counterclockwise contact, one and the second relay of described enable contact series clockwise, a hand switch module counterclockwise and counterclockwise automatically switch module outfan be commonly connected to described enable contact clockwise outfan.
Further, it is described that the input of switch module and the input of switch module automatically clockwise are connected in automatic driftage Enable Pin each through a switch module automatically counterclockwise, automatically the outfan of switch module is connected to the input enabling contact counterclockwise counterclockwise, and the outfan of switch module is connected to the input enabling contact clockwise automatically clockwise.
Further, described first relay at least includes one for opening first soft contact that described soft initiator enables clockwise and for starting the first time delayed turn-off Loop Contacts in described driftage time delayed turn-off loop clockwise, and described first soft contact and time delayed turn-off Loop Contacts are normally open.
Further, described second relay at least includes second soft contact and that a described soft initiator of unlatching enables counterclockwise for starting the second time delayed turn-off Loop Contacts in described driftage time delayed turn-off loop counterclockwise, and second soft contact and time delayed turn-off Loop Contacts are normally open.
Further, described driftage controls loop and farther includes a driftage along reversing and control loop clockwise and a driftage controls loop counterclockwise, described driftage control loop clockwise and described driftage control loop parallel connection counterclockwise after be connected to driftage and always enable rear end.
Further, described driftage controls loop clockwise and farther includes a driftage and control loop make break contact clockwise, one control driftage that is that loop make break contact is connected and that be in normally off clockwise with described driftage and control contact clockwise, and one controls the first catalyst of contact series further clockwise with described driftage.
Further, described driftage controls the electrical structure in loop counterclockwise, and to control loop electric state clockwise with described driftage identical, and namely described driftage controls loop counterclockwise and includes a driftage and control loop make break contact counterclockwise, one control driftage that is that loop make break contact is connected and that be in normally off with described driftage counterclockwise and control contact, second catalyst controlling contact series further with described driftage counterclockwise counterclockwise.
Further, described first catalyst at least includes three normally opened contacts and two normally-closed contacts, wherein, three normally opened contacts are used for controlling described yaw motor and carry out start and stop by yaw direction clockwise, wherein a normally-closed contact is be arranged on the described driftage that described driftage enables on loop counterclockwise to enable contact counterclockwise, and another normally-closed contact is be arranged on the described driftage that described driftage controls on loop counterclockwise to control contact counterclockwise.
Further, described second catalyst at least includes three normally opened contacts and two normally-closed contacts, wherein, three normally opened contacts are used for controlling described yaw motor and carry out start and stop by yaw direction counterclockwise, wherein a normally-closed contact is be arranged on the enable contact described clockwise that described driftage enables on loop clockwise, and another normally-closed contact is be arranged on the described driftage that described driftage controls on loop clockwise to control contact clockwise.
Further, described driftage enables contact counterclockwise and described driftage controls contact counterclockwise and collectively constitutes driftage Safe control switch module counterclockwise, wind power generating set is when carrying out yaw maneuver clockwise, and described driftage enables contact counterclockwise and described driftage controls contact counterclockwise and is disconnected；Described driftage enables contact clockwise and described driftage controls contact clockwise and collectively constitutes driftage Safe control switch module clockwise；Wind power generating set is when carrying out yaw maneuver counterclockwise, and described driftage enables contact clockwise and described driftage controls contact clockwise and is disconnected.
Further, the described driftage clockwise time controls loop, driftage inversion time controls loop and always enables rear end in driftage after main contactor control loop parallel connection.
Further, loop of described driftage clockwise time is made up of the control circuit switching module of clockwise time and one the 3rd relay；Described driftage inversion time controls loop and is made up of an inversion time control circuit switching module and one the 4th relay；It is the 5th relay at least including three contacts being in normally open that described main contactor controls loop.
Further, the described clockwise time controls circuit switching module and is carried out break-make control by a contact being in normally open of time delayed turn-off loop time relay clockwise of going off course, 3rd relay at least includes three contacts being in normally open, wherein a contact is control loop make break contact clockwise for the driftage controlling loop clockwise of going off course, another contact is the control contact for brake of going off course, and the 3rd contact is the control contact for controlling yaw motor electromagnetic brake.
Further, described inversion time controls circuit switching module and is carried out break-make control by a contact being in normally open of the time relay in time delayed turn-off loop counterclockwise of going off course, 4th relay at least includes the contact of three normally opens, wherein a contact is control loop make break contact counterclockwise for the driftage controlling loop counterclockwise of going off course, another contact is the contact for cancelling driftage brake, and the 3rd contact is the contact adhesive for controlling yaw motor electromagnetic brake.
Further, described 5th relay is for connecting the current supply circuit of yaw motor.
In sum, a kind of wind generating set yaw control circuit provided by the invention utilizes soft initiator can input the voltage of yaw motor according to state modulator set in advance when power supply to be incremented by and production decline law is powered and the time delay break function of the time relay according to certain, yaw motor start suddenly or shut down suddenly so the great vibrations of wind generating set engine room that causes and service life of affecting wind power generating set even cause potential safety hazard, specifically, because of suddenly 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 service life affecting wind power generating set further even causes potential safety hazard.
Accompanying drawing explanation
Fig. 1 is one wind generating set yaw circuit diagram of the present invention, and this schematic diagram especially illustrates driftage circuit and is in the state of each device during not operating state.
Detailed description of the invention
By describing the technology contents of the present invention, structural feature in detail, being reached purpose and effect, hereby enumerate embodiment below and coordinate accompanying drawing to be explained in detail.
Refer to Fig. 1; one wind generating set yaw control circuit of the present invention; machine and shutdown is smoothly opened for controlling yaw motor; being connected on current supply circuit outside this wind generating set yaw control circuit, including a soft initiator, a driftage enables loop, a driftage controls loop, driftage time delayed turn-off loop and a main contactor loop along reversing.
Wind generating set yaw control circuit farther includes a soft initiator and a driftage time delayed turn-off loop, described driftage time delayed turn-off loop is made up of a driftage time delayed turn-off loop clockwise and a driftage time delayed turn-off loop counterclockwise further, it is connected to driftage behind described driftage time delayed turn-off clockwise loop and described driftage time delayed turn-off loop parallel connection counterclockwise and always enables rear end, described driftage time delayed turn-off clockwise loop and described driftage time delayed turn-off loop counterclockwise all include a time delayed turn-off circuit switching and a time relay, this described time relay is powered and is constantly in charged SBR by total Enable Pin of going off course, the shutoff of described time delayed turn-off circuit switching is enabled loop by described driftage and controls selectively, the described time relay controls the shutoff in loop and described driftage inversion time control loop by controlling the described driftage clockwise time selectively and then realizes described driftage along reversing the selectivity break-make control controlling loop.
The described time relay at least should have the time relay of delayed-breaking-off function.
Described driftage enable loop farther include a driftage enable clockwise loop and one driftage enable loop counterclockwise, described driftage enable clockwise loop farther include one manually driftage enable loop clockwise and an automatic driftage enables loop clockwise, described manual driftage enables loop and described automatic driftage clockwise and enables loop clockwise and share an enable contact clockwise being in normally off and one and the first relay of described enable contact series clockwise.
Described manual driftage enables loop clockwise and farther includes a hand switch module clockwise, the input of this hand switch one end clockwise and described enable contact clockwise connects, the other end is connected with the total Enable Pin of described driftage, described automatic driftage enables loop clockwise and farther includes an automatic clockwise switch module being in normally open, and this accesses the input of described enable contact clockwise in automatic switch module one end clockwise.
Described driftage enable the electrical structure in loop counterclockwise and electric state to enable loop clockwise with described driftage identical, namely this described driftage enable counterclockwise loop include one enable counterclockwise contact, one and the second relay of described enable contact series clockwise, a hand switch module counterclockwise and counterclockwise automatically switch module outfan be commonly connected to described enable contact clockwise outfan.
It is described that the input of switch module and the input of switch module automatically clockwise are connected in automatic driftage Enable Pin each through a switch module automatically counterclockwise, automatically the outfan of switch module is connected to the input enabling contact counterclockwise counterclockwise, and the outfan of switch module is connected to the input enabling contact clockwise automatically clockwise.
Described first relay at least includes one for opening first soft contact that described soft initiator enables clockwise and for starting the first time delayed turn-off Loop Contacts in described driftage time delayed turn-off loop clockwise, and described first soft contact and time delayed turn-off Loop Contacts are normally open.
Described second relay at least includes second soft contact and that a described soft initiator of unlatching enables counterclockwise for starting the second time delayed turn-off Loop Contacts in described driftage time delayed turn-off loop counterclockwise, and second soft contact and time delayed turn-off Loop Contacts are normally open.
Described driftage controls loop and farther includes a driftage along reversing and control loop clockwise and a driftage controls loop counterclockwise, described driftage control loop clockwise and described driftage control loop parallel connection counterclockwise after be connected to driftage and always enable rear end.
Described driftage controls loop clockwise and farther includes a driftage and control loop make break contact clockwise, one control driftage that is that loop make break contact is connected and that be in normally off clockwise with described driftage and control contact clockwise, and one controls the first catalyst of contact series further clockwise with described driftage.
Described driftage controls the electrical structure in loop counterclockwise, and to control loop electric state clockwise with described driftage identical, and namely described driftage controls loop counterclockwise and includes a driftage and control loop make break contact counterclockwise, one control driftage that is that loop make break contact is connected and that be in normally off with described driftage counterclockwise and control contact, second catalyst controlling contact series further with described driftage counterclockwise counterclockwise.
Described first catalyst at least includes three normally opened contacts and two normally-closed contacts, wherein, three normally opened contacts are used for controlling described yaw motor and carry out start and stop by yaw direction clockwise, wherein a normally-closed contact is be arranged on the described driftage that described driftage enables on loop counterclockwise to enable contact counterclockwise, and being used for guarantees to go off course enables enable loop counterclockwise of go off course when carrying out yaw maneuver clockwise, loop counterclockwise and be off；Another normally-closed contact is be arranged on the described driftage that described driftage controls on loop counterclockwise to control contact counterclockwise, and being used for guarantees to go off course controls control loop counterclockwise of go off course when carrying out yaw maneuver counterclockwise, loop counterclockwise and be off.
Described second catalyst at least includes three normally opened contacts and two normally-closed contacts, wherein, three normally opened contacts are used for controlling described yaw motor and carry out start and stop by yaw direction counterclockwise, wherein a normally-closed contact is be arranged on the enable contact described clockwise that described driftage enables on loop clockwise, and being used for guaranteeing going off course enables enable loop clockwise of go off course when carrying out yaw maneuver counterclockwise, loop clockwise and be off；Another normally-closed contact is be arranged on the described driftage that described driftage controls on loop clockwise to control contact clockwise, and being used for guarantees to go off course controls control loop clockwise of go off course when carrying out yaw maneuver counterclockwise, loop clockwise and be off.
Described driftage enables contact counterclockwise and described driftage controls contact counterclockwise and collectively constitutes driftage Safe control switch module counterclockwise, wind power generating set is when carrying out yaw maneuver clockwise, and described driftage enables contact counterclockwise and described driftage controls contact counterclockwise and is disconnected；Described driftage enables contact clockwise and described driftage controls contact clockwise and collectively constitutes driftage Safe control switch module clockwise；Wind power generating set is when carrying out yaw maneuver counterclockwise, and described driftage enables contact clockwise and described driftage controls contact clockwise and is disconnected.
The described driftage clockwise time controls loop, driftage inversion time controls loop and always enables rear end in driftage after main contactor control loop parallel connection.
Loop of described driftage clockwise time is controlled circuit switching module by the clockwise time and one the 3rd relay forms；Described driftage inversion time controls loop and is made up of an inversion time control circuit switching module and one the 4th relay；It is the 5th relay at least including three contacts being in normally open that described main contactor controls loop.
The described clockwise time controls circuit switching module and is carried out break-make control by a contact being in normally open of time delayed turn-off loop time relay clockwise of going off course, 3rd relay at least includes three contacts being in normally open, wherein a contact is control loop make break contact clockwise for the driftage controlling loop clockwise of going off course, another contact is the control contact for brake of going off course, and the 3rd contact is the control contact for controlling yaw motor electromagnetic brake.
Described inversion time controls circuit switching module and is carried out break-make control by a contact being in normally open of the time relay in time delayed turn-off loop counterclockwise of going off course, 4th relay at least includes the contact of three normally opens, wherein a contact is control loop make break contact counterclockwise for the driftage controlling loop counterclockwise of going off course, another contact is the contact for cancelling driftage brake, and the 3rd contact is the contact adhesive for controlling motor electromagnetic brake.
Described 5th relay is for connecting the current supply circuit of yaw motor.
The time span T that described time relay time delay is broken can determine according to the time span that described soft initiator be arranged.
Controlling manually to go off course clockwise below and manual-lock is gone off course clockwise and one wind generating set yaw control circuit of the present invention is illustrated, its specific works principle is as follows:
Manual control of going off course clockwise
Driftage enables signal input, main contactor controls the 5th relay on loop and closes three normally opened contacts on the 5th relay to connect yaw motor current supply circuit, manual closing is gone off course clockwise and is enabled switch, wherein first soft contact adhesive of the first relay in driftage manually enable loop clockwise control are so that the voltage being carried on yaw motor is increased to running voltage according to certain progressive law by soft initiator under the parameter set, first time delayed turn-off Loop Contacts adhesive of the first relay, being positioned at take advantage of a situation another contact also adhesive in pin time delayed turn-off loop of driftage to take advantage of a situation pin time delayed turn-off loop encourage very first time relay to run connecting driftage, this very first time relay closes control of the clockwise time circuit switching contact of this time relay and controls loop to connect the driftage clockwise time, 3rd relay in described driftage clockwise time control loop disconnects the driftage on the 3rd relay and controls loop make break contact clockwise, contact for cancelling driftage brake is switched on, the contact of motor electromagnetic brake is switched on, the three of first catalyst are for controlling the contact adhesive that yaw motor is undertaken starting by yaw direction clockwise, two go off course enable contact and the driftages on control loop counterclockwise of going off course counterclockwise being respectively used to control to go off course on enable loop counterclockwise control contact disconnection counterclockwise, ensure uniqueness and the safety 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, it is distinctive in that: disconnects driftage after time relay time delay a period of time T and controls circuit switching module clockwise, in this section of time T, the voltage being carried on yaw motor is reduced gradually to 0V by soft starter according to presetting production decline law, meanwhile, three normally opened contacts that main tentaculum controls on loop on the 5th relay are because disconnecting without enabling signal input.
In sum, a kind of wind generating set yaw control circuit provided by the invention utilizes soft initiator can input the voltage of yaw motor according to state modulator set in advance when power supply to be incremented by and production decline law is powered and the time delay break function of the time relay according to certain, yaw motor start suddenly or shut down suddenly so the great vibrations of wind generating set engine room that causes and service life of affecting wind power generating set even cause potential safety hazard, specifically, because of suddenly 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 service life affecting wind power generating set further even causes potential safety hazard.
Techniques discussed above scheme is only the preferred embodiment of a kind of wind generating set yaw control circuit of the present invention, and any equivalent transformation made on a kind of wind generating set yaw control circuit of present invention basis or replacement are included within the scope of the claims of this patent.
Claims (19)
1. a wind generating set yaw control circuit, for controlling the smooth machine that opens of yaw motor and shutdown, it is connected in driftage Enable Pin outside this wind generating set yaw control circuit, loop is enabled including a driftage, one driftage controls loop and a main contact loop of driftage along reversing, main contact loop of going off course includes a driftage clockwise time control loop, one driftage inversion time controls loop and a main contactor controls loop, it is characterized in that: wind generating set yaw control circuit farther includes a soft initiator and a driftage time delayed turn-off loop, described driftage time delayed turn-off loop is made up of a driftage time delayed turn-off loop clockwise and a driftage time delayed turn-off loop counterclockwise further, it is connected to driftage behind described driftage time delayed turn-off clockwise loop and described driftage time delayed turn-off loop parallel connection counterclockwise and always enables rear end, described driftage time delayed turn-off clockwise loop and described driftage time delayed turn-off loop counterclockwise all include a time delayed turn-off circuit switching and a time relay, this described time relay is powered and is constantly in charged SBR by total Enable Pin of going off course, the shutoff of described time delayed turn-off circuit switching is enabled loop by described driftage and controls selectively, the described time relay controls the break-make in loop and described driftage inversion time control loop by controlling the described driftage clockwise time selectively and then realizes described driftage along reversing the selectivity break-make control controlling loop.
2. a kind of wind generating set yaw control circuit according to claim 1, it is characterised in that: the described time relay at least should have the time relay of delayed-breaking-off function.
3. a kind of wind generating set yaw control circuit according to claim 2, it is characterized in that: described driftage enable loop farther include a driftage enable clockwise loop and one driftage enable loop counterclockwise, described driftage enable clockwise loop farther include one manually driftage enable loop clockwise and an automatic driftage enables loop clockwise, described manual driftage enables loop and described automatic driftage clockwise and enables loop clockwise and share an enable contact clockwise being in normally off and one and the first relay of described enable contact series clockwise.
4. a kind of wind generating set yaw control circuit according to claim 3, it is characterized in that: described manual driftage enables loop clockwise and farther includes a hand switch module clockwise, the input of this hand switch one end clockwise and described enable contact clockwise connects, the other end is connected with the total Enable Pin of described driftage, described automatic driftage enables loop clockwise and farther includes an automatic clockwise switch module being in normally open, and this accesses the input of described enable contact clockwise in automatic switch module one end clockwise.
5. a kind of wind generating set yaw control circuit according to claim 3, it is characterized in that: described driftage enable the electrical structure in loop counterclockwise and electric state to enable loop clockwise with described driftage identical, namely this described driftage enable counterclockwise loop include one enable counterclockwise contact, one and the second relay of described enable contact series clockwise, a hand switch module counterclockwise and counterclockwise automatically switch module outfan be commonly connected to described enable contact clockwise outfan.
6. a kind of wind generating set yaw control circuit according to claim 5, it is characterized in that: described the input of switch module and the input of switch module automatically clockwise are connected in automatic driftage Enable Pin each through a switch module automatically counterclockwise, automatically the outfan of switch module is connected to the input enabling contact counterclockwise counterclockwise, and the outfan of switch module is connected to the input enabling contact clockwise automatically clockwise.
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 includes one for opening first soft contact that described soft initiator enables clockwise and for starting the first time delayed turn-off Loop Contacts in described driftage time delayed turn-off loop clockwise, 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 includes second soft contact and that a described soft initiator of unlatching enables counterclockwise for starting the second time delayed turn-off Loop Contacts in described driftage time delayed turn-off loop counterclockwise, 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, it is characterized in that: described driftage controls loop and farther includes a driftage along reversing and control loop clockwise and a driftage controls loop counterclockwise, described driftage control loop clockwise and described driftage control loop parallel connection counterclockwise after be connected to driftage and always enable rear end.
10. a kind of wind generating set yaw control circuit according to claim 9, it is characterized in that: described driftage controls loop clockwise and farther includes a driftage and control loop make break contact clockwise, one control driftage that is that loop make break contact is connected and that be in normally off clockwise with described driftage and control contact clockwise, and one controls the first catalyst of contact series further clockwise with described driftage.
11. a kind of wind generating set yaw control circuit according to claim 10, it is characterized in that: described driftage controls the electrical structure in loop counterclockwise, and to control loop electric state clockwise with described driftage identical, namely described driftage controls loop counterclockwise and includes a driftage and control loop make break contact counterclockwise, one control driftage that is that loop make break contact is connected and that be in normally off with described driftage counterclockwise and control contact, second catalyst controlling contact series further with described driftage counterclockwise counterclockwise.
12. a kind of wind generating set yaw control circuit according to claim 10 or 11, it is characterized in that: described first catalyst at least includes three normally opened contacts and two normally-closed contacts, wherein, three normally opened contacts are used for controlling described yaw motor and carry out start and stop by yaw direction clockwise, wherein a normally-closed contact is be arranged on the described driftage that described driftage enables on loop counterclockwise to enable contact counterclockwise, and another normally-closed contact is be arranged on the described driftage that described driftage controls on loop counterclockwise to control contact counterclockwise.
13. a kind of wind generating set yaw control circuit according to claim 11, it is characterized in that: described second catalyst at least includes three normally opened contacts and two normally-closed contacts, wherein, three normally opened contacts are used for controlling described yaw motor and carry out start and stop by yaw direction counterclockwise, wherein a normally-closed contact is be arranged on the enable contact described clockwise that described driftage enables on loop clockwise, and another normally-closed contact is be arranged on the described driftage that described driftage controls on loop clockwise to control contact clockwise.
14. a kind of wind generating set yaw control circuit according to claim 9 or 10, it is characterized in that: described driftage enables contact counterclockwise and described driftage controls contact counterclockwise and collectively constitutes driftage Safe control switch module counterclockwise, wind power generating set is when carrying out yaw maneuver clockwise, and described driftage enables contact counterclockwise and described driftage controls contact counterclockwise and is disconnected；Described driftage enables contact clockwise and described driftage controls contact clockwise and collectively constitutes driftage Safe control switch module clockwise；Wind power generating set is when carrying out yaw maneuver counterclockwise, and described driftage enables contact clockwise and described driftage controls contact clockwise and is disconnected.
15. a kind of wind generating set yaw control circuit according to claim 1, it is characterised in that: the described driftage clockwise time controls loop, driftage inversion time controls loop and always enables rear end in driftage after main contactor control loop parallel connection.
16. a kind of wind generating set yaw control circuit according to claim 15, it is characterised in that: loop of described driftage clockwise time is controlled circuit switching module by the clockwise time and one the 3rd relay forms；Described driftage inversion time controls loop and is made up of an inversion time control circuit switching module and one the 4th relay；It is the 5th relay at least including three contacts being in normally open that described main contactor controls loop.
17. a kind of wind generating set yaw control circuit according to claim 16, it is characterized in that: the described clockwise time controls circuit switching module and carried out break-make control by a contact being in normally open of time delayed turn-off loop time relay clockwise of going off course, 3rd relay at least includes three contacts being in normally open, wherein a contact is control loop make break contact clockwise for the driftage controlling loop clockwise of going off course, another contact is the control contact for brake of going off course, and the 3rd contact is the control contact for controlling yaw motor electromagnetic brake.
18. a kind of wind generating set yaw control circuit according to claim 17, it is characterized in that: described inversion time controls circuit switching module and carried out break-make control by a contact being in normally open of the time relay in time delayed turn-off loop counterclockwise of going off course, 4th relay at least includes the contact of three normally opens, wherein a contact is control loop make break contact counterclockwise for the driftage controlling loop counterclockwise of going off course, another contact is the contact for cancelling driftage brake, and the 3rd contact is the contact adhesive for controlling yaw motor electromagnetic brake.
19. a kind of wind generating set yaw control circuit according to any one of claim 15 to 18, it is characterised in that: described 5th relay is for connecting the current supply circuit of yaw motor.
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| CN201410734466.4A CN105715451B (en) | 2014-12-05 | 2014-12-05 | A kind of wind generating set yaw control circuit |
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| CN105715451B (en) | 2019-04-26 |
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