CN205429756U - Wind generating set high voltage passes through controlling means - Google Patents
Wind generating set high voltage passes through controlling means Download PDFInfo
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- CN205429756U CN205429756U CN201520981418.5U CN201520981418U CN205429756U CN 205429756 U CN205429756 U CN 205429756U CN 201520981418 U CN201520981418 U CN 201520981418U CN 205429756 U CN205429756 U CN 205429756U
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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
- Y02E10/76—Power conversion electric or electronic aspects
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Abstract
The utility model relates to a wind generating set high voltage passes through controlling means is applicable to interchange type wind generating set feather system, and it includes a controller, a voltage supervision ware, three controllable switch modules, and voltage supervision ware, controller and three controllable switch modules are constituteed change oar high voltage and are passed through control circuit, the voltage supervision ware is connected on becoming the oar sliding ring, and the voltage supervision ware can endure more than or equal to 600V's voltage, and the voltage supervision ware is used for monitoring the three -phase AC voltage signal of inlet side main power source and passing through the signal to controller feedback high voltage, the controllable switch module is connected on becoming the oar sliding ring, and the voltage supervision ware is located the front end of controllable switch module, and this three controllable switch module is used for by the disconnection of controller control controllable switch module in order to realize inlet side main power source and the disconnection that becomes the oar driver when input voltage risees to U1 >= 520V and U1 >= 520V duration T1 more than or equal to setting -up time T, it connects the electric energy in order to obtain the inlet side main power source on becoming the oar sliding ring through three controllable switch modules to become the oar driver.
Description
Technical field
The present invention relates to wind-power electricity generation control field, particularly relate to a kind of high voltage crossing control method being applied to wind power generating set and device thereof.
Background technology
Now with large-scale offshore wind farm and the development of land wind-powered electricity generation, large-scale wind power integration electrical network, because the feature of the undulatory property of wind power system, a lot of problem is brought to power system, the phenomenon such as big in: voltage pulsation, unbalanced power, harmonic content, hides some dangers for the stable operation of power system.
Based on safe and stable operation and control protection requirement; a lot of countries have formulated new interconnection technology regulation; in recent years, high voltage crossing is the most increasingly taken seriously, and has abroad formulated detailed HVRT standard criterion and technology requirement such as the U.S., Canada, Australia, Ireland, Denmark etc..In CNS, the clear stipulaties relevant criterion of low voltage crossing (LVRT), the relevant criterion of high voltage crossing (HVRT) the most formally puts into effect temporarily.
When line voltage breaks down and rises sharply, if be not controlled by, it is likely to result in the damage of current transformer and Wind turbines, it is likely to electrical network is produced power rush simultaneously, the transient state causing power system is unstable, may cause locally even systemic breakdown time serious, in harm electrical network, other equipment even cause more serious loss.Therefore, the fault ride-through capacity of grid-connected wind power equipment is particularly significant, when the voltage that electric network fault or disturbance cause wind farm grid-connected point raises, Wind turbines can continual be incorporated into the power networks, also need to electrical network is provided the support of reactive power when being necessary, complete line voltage and be soared to recover the fault traversing of normal processes.
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 power generating set high voltage crossing control method and device thereof.
For achieving the above object, a kind of wind power generating set high voltage crossing control method of one of present invention, comprising:
Step S1: the voltage signal being judged input side main power source by pitch control device is high voltage crossing signal or low voltage crossing signal, if low voltage crossing signal, then pitch control device activates low voltage crossing control model and enters low voltage crossing control model；
Step S2: if high voltage crossing signal, then pitch control device activates high voltage crossing pattern and enters high voltage crossing control model, and pitch control device determines whether high-voltage state duration T1Whether more than or equal to setting time T, if high-voltage state duration T1Less than setting time T, then determine whether that variable pitch backup power supply voltage is the most normal,
If high-voltage state duration T1More than or equal to setting time T, then trigger and enter change oar jerk control model, determine whether that variable pitch backup power supply voltage is the most normal simultaneously；
Step S3: if variable pitch backup power supply voltage is normal, then pitch control device controls variable-pitch control system and departs from input side main power source, meanwhile, pitch control device at least mask AC DC, back-up source charger two class fault-signal,
If variable pitch backup power supply voltage is abnormal, pitch control device controls variable-pitch control system and mutually connects to realize powering to variable-pitch control system with input side main power source, meanwhile, pitch control device at least recover AC DC, back-up source battery charger failure monitor two class signals；
Step S4: terminate high voltage crossing control model.
Further, the high-low voltage of described input side main power source is passed through signal and by the supervision of described three-phase voltage monitor and voltage signal is sent into described pitch control device.
Further, high voltage crossing signal refers to that 3*400V alternating current voltage that electrical network end sends into is more than or equal to voltage signal during 520V；Low voltage crossing signal refers to that 3*400V alternating current voltage that electrical network end sends into is less than voltage signal during 320V.
Further, any one value that the time span of time T was as more than 2 seconds is set.
Further, the voltage of described variable pitch backup power supply is just referring to variable pitch backup power supply voltage and at least disclosure satisfy that variable-pitch control system is once put away the oars the voltage of work, and the voltage of described variable pitch backup power supply is converted by the electric energy of variable pitch backup power supply and obtains.
Further, described input side main power source is the 3*400V alternating current sent into by electrical network end.
A kind of wind power generating set high voltage crossing of the two of the present invention controls device, it is applicable to AC type wind generating set pitch control away from system, it includes a controller, described high voltage crossing controls device and farther includes a voltage monitor, three controllable switch module, and the controllable switch module that described voltage monitor, controller and three are controlled by controller forms change oar high voltage crossing and controls loop；Described voltage monitor is connected in variable-pitch sliding ring, and described voltage monitor requires to be resistant to the voltage more than or equal to 600V, and described voltage monitor is for monitoring the three-phase alternating voltage signal of input side main power source and feeding back high voltage crossing signal to controller；Described controllable switch module is connected in variable-pitch sliding ring, and described voltage monitor is positioned at the front end of controllable switch module, and this controllable switch module described in three is for being increased to U at input voltage1>=520V and U1>=520V duration T1Disconnect more than or equal to being controlled described controllable switch module by described controller during setting time T with the disconnection realizing input side main power source and variable pitch driver；Described variable pitch driver is connected in variable-pitch sliding ring obtain the electric energy of input side main power source by three described controllable switch module.
Further, described setting time T is more than or equal to 2S.
Further, described high voltage crossing control loop farther includes a temperature and opens machine control module, described temperature open machine control module for pitch system of wind driven generator in-cabinet temperature reach more than 0 DEG C and humidity below 90% time, start the pitch control function of pitch-controlled system；Described temperature open machine control module pitch-controlled system in-cabinet temperature less than 0 DEG C or humidity more than 90% time, this temperature opens machine control module and is in off state；When pitch-controlled system in-cabinet temperature reach more than 0 DEG C and humidity below 90% time, it is in the conduction state that this temperature opens machine control module.
Further, described high voltage crossing controls loop and farther includes one bypass-locked loop, and described bypass-locked loop is a switch with on-off function, and bypass-locked loop is connected in parallel on described temperature and opens in machine control module.
Further; described bypass-locked loop for wind generating set pitch control system in-cabinet temperature reach more than 0 DEG C and humidity below 90% time; temperature opens machine control module mask; simultaneously; wind generating set pitch control powers on away from control system or first because of when shutdown causes variable-pitch control system without controlling electricity consumption for a long time; the control electricity consumption after pitch-variable system supply is converted of the input side main power source is controlled by wind turbine generator system controller; once variable-pitch control system powers on successfully, and temperature is opened machine control module and masks by described bypass-locked loop.
Further, described voltage monitor is a three-phase voltage monitor, and described controllable switch module at least should be any one in a catalyst or controllable silicon.
Further, described controller reaches to control the break-make of described catalyst by a relay, nationality and realize the break-make of input side main power source and variable pitch driver current supply circuit.
Further, described bypass and locking module are a control contact in catalyst, and this control contact is by controller control.
Further, the one during described controller at least should be wind power generating set master controller or pitch control device.
In sum, a kind of wind power generating set high voltage crossing control method of invention and device thereof are by using voltage monitor as resistance to voltage device, the transient high voltage that the resistance to voltage device such as voltage monitor bear more than at least 2 seconds is utilized with electrical network in the case of pitch-controlled system departs from, nationality and can ensure that wind power generating set not with electrical network depart from the case of, realize high voltage crossing, prevent the enormous impact further electrical network caused and jeopardize the generation of wind power generating set security incident, the present invention coordinates with corresponding high voltage crossing control method simultaneously, can according to grid condition realize pitch-controlled system automatically with the off-grid operation of electrical network.
Accompanying drawing explanation
Fig. 1 is a kind of wind power generating set high voltage crossing control method schematic flow sheet of one of the present invention.
Fig. 2 A is the first preferred embodiment one schematic diagram of a kind of wind power generating set high voltage crossing control device of the two of the present invention.
Fig. 2 B is another schematic diagram of the first preferred embodiment of a kind of wind power generating set high voltage crossing control device of the two of the present invention.
Fig. 3 A is a schematic diagram of the second preferred embodiment of a kind of wind power generating set high voltage crossing control device of the two of the present invention.
Fig. 3 B is another schematic diagram of the second preferred embodiment of a kind of wind power generating set high voltage crossing control device of the two of the present invention.
Fig. 4 A is a schematic diagram of the 3rd preferred embodiment of a kind of wind power generating set high voltage crossing control device of the two of the present invention.
Fig. 4 B is another schematic diagram of the 3rd preferred embodiment of a kind of wind power generating set high voltage crossing control device of the two of the present invention
Detailed description of the invention
By describing the technology contents of the present invention, structural feature in detail, being reached purpose and effect, the most hereby enumerate embodiment and coordinate accompanying drawing to be explained in detail.
Refer to Fig. 1, Fig. 2 A and Fig. 2 B, a kind of wind power generating set high voltage crossing control method of one of present invention, including:
Step S1: the voltage signal being judged input side main power source by pitch control device is high voltage crossing signal or low voltage crossing signal, if low voltage crossing signal, then pitch control device activates low voltage crossing control model and enters low voltage crossing control model；
Step S2: if high voltage crossing signal, then pitch control device activates high voltage crossing pattern and enters high voltage crossing control model, and pitch control device determines whether high-voltage state duration T1Whether more than or equal to setting time T, if high-voltage state duration T1Less than setting time T, then determine whether that variable pitch backup power supply voltage is the most normal,
If high-voltage state duration T1More than or equal to setting time T, then trigger and enter change oar jerk control model, determine whether that variable pitch backup power supply voltage is the most normal simultaneously；
Step S3: if variable pitch backup power supply voltage is normal, then pitch control device controls variable-pitch control system and the disengaging of input side main power source, meanwhile, pitch control device at least mask AC DC, back-up source charger two class fault-signal, with ensure pitch control device will not by above-mentioned AC the fault-signal such as DC, charger affected
If variable pitch backup power supply voltage is abnormal, pitch control device controls variable-pitch control system and mutually connects to realize powering to variable-pitch control system with input side main power source, meanwhile, pitch control device at least recover AC DC, back-up source battery charger failure monitor two class signals, to ensure that variable-pitch control system can normally work；
Step S4: terminate high voltage crossing control model.
In a particular embodiment, the time span of time T is set as 2 seconds and any one above value.
In a particular embodiment, the voltage signal of described input side main power source is monitored by described three-phase voltage monitor and voltage signal is sent into described pitch control device.
In a particular embodiment, described input side main power source is the 3*400V alternating current sent into by electrical network end.
In a particular embodiment, high voltage crossing signal refers to that 3*400V alternating current voltage that electrical network end sends into is more than or equal to voltage signal during 520V；Low voltage crossing signal refers to that 3*400V alternating current voltage that electrical network end sends into is less than voltage signal during 320V.
In a particular embodiment, described variable pitch backup power supply voltage is just referring to variable pitch backup power supply voltage and at least disclosure satisfy that variable-pitch control system is put away the oars the voltage of work, and the voltage of described variable pitch backup power supply is converted by the electric energy of variable pitch backup power supply and obtains.
A kind of wind power generating set high voltage crossing of the two of the present invention controls device, it is applicable to AC type wind generating set pitch control system, it includes a controller and variable pitch driver, described high voltage crossing controls device and farther includes a voltage monitor, three controllable switch module, and described controller, voltage monitor, three controllable switch module controlled by controller and variable pitch driver form change oar high voltage crossing and control loop；
Described voltage monitor is connected in variable-pitch sliding ring, and described voltage monitor requires to be resistant to the voltage more than or equal to 600V, and described voltage monitor is for monitoring the three-phase alternating voltage signal of input side main power source and feeding back high voltage crossing signal to controller；
Described controllable switch module is connected in variable-pitch sliding ring, and described voltage monitor is positioned at the front end of controllable switch module, and this controllable switch module described in three is for being increased to U at input voltage1>=520V and U1>=520V duration T1Disconnect more than or equal to being controlled described controllable switch module by described controller during setting time T with the disconnection realizing input side main power source and variable pitch driver；
Described variable pitch driver is connected in variable-pitch sliding ring obtain the electric energy of input side main power source by three described controllable switch module.
Described setting time T is more than or equal to 2S.
Described high voltage crossing controls loop and farther includes a temperature and open machine control module, described temperature open machine control module for pitch system of wind driven generator in-cabinet temperature reach more than 0 DEG C and humidity below 90% time, the pitch control function of startup pitch-controlled system；Described temperature open machine control module pitch-controlled system in-cabinet temperature less than 0 DEG C or humidity more than 90% time, this temperature opens machine control module and is in off state；When pitch-controlled system in-cabinet temperature reach more than 0 DEG C and humidity below 90% time, it is in the conduction state that this temperature opens machine control module.
Described high voltage crossing controls loop and farther includes one bypass-locked loop, and described bypass-locked loop is a switch with on-off function, and bypass-locked loop is connected in parallel on described temperature and opens in machine control module.
Described bypass-locked loop for wind generating set pitch control system in-cabinet temperature reach more than 0 DEG C and humidity below 90% time; temperature opens machine control module mask; simultaneously; wind generating set pitch control powers on away from control system or first because of when shutdown causes variable-pitch control system without controlling electricity consumption for a long time; the control electricity consumption after pitch-variable system supply is converted of the input side main power source is controlled by wind turbine generator system controller; once variable-pitch control system powers on successfully, and temperature is opened machine control module and masks by described bypass-locked loop.
Described controller at least should be the one in wind power generating set master controller or pitch control device.
nullRefer to Fig. 3 A and Fig. 3 B，In second preferred embodiment，One wind power generating set high voltage crossing of the present invention controls device，It includes a pitch control device、This high voltage crossing controls device and farther includes a high voltage crossing control loop、One three-phase voltage monitor、Three catalysts、One relay，Described three-phase voltage monitors the voltage monitor being equivalent in the first preferred embodiment，Described catalyst is equivalent to the first controllable switch module preferably implemented，Its function is all identical with the voltage monitor in the first preferred embodiment and controllable switch module，Described pitch control device、Three-phase voltage monitor、The three described catalysts controlled by pitch control device、Relay and variable pitch driver composition become oar high voltage crossing and control loop，Described pitch control device reaches the break-make of control contactor by described relay，Nationality and realize the break-make of input side main power source and variable pitch driver current supply circuit.
In second preferred embodiment, described high voltage crossing control device farther includes a temperature and opens machine module and one bypass-locked loop, described temperature opens machine module and the function of described bypass-locked loop and structural relation all opens machine module with corresponding temperature in the first preferred embodiment and bypass-locked loop is identical, and described bypass-locked loop is the control contact in catalyst, this control contact is by controller control.
Please continue refering to Fig. 4 A and Fig. 4 B, in 3rd preferred embodiment, one wind power generating set high voltage crossing of the present invention controls device, it includes that a controller, this high voltage crossing control device and farther include a high voltage crossing control loop, described high voltage crossing controls loop and is made up of a voltage monitor and three controllable switch module, and described voltage monitor is for monitoring the three-phase alternating voltage of input side main power source and controlling the break-make of input side main power source and variable pitch driver current supply circuit according to the voltage signal size nationality of input side main power source.In this preferred embodiment, described high voltage crossing control loop farther includes a temperature and opens machine control module and one bypass-locked loop.Controllable switch module described in this preferred embodiment, temperature opens the effect in machine control module and bypass-locked loop and the first preferred embodiment and structural relation is the most identical, difference exists, described voltage monitor except possess monitor input side main power source voltage signal and to external feedback high voltage crossing signal in addition to, also there is the function of the break-make controlling described controllable switch module, this the 3rd preferred embodiment i.e., described voltage monitor is not to controller feedback high voltage crossing signal and then by the control to controllable switch module break-make of the controller control realization, realize the break-make with input side main power source, but described voltage monitor sends into the voltage of pitch-controlled system by monitoring, and controlled controllable switch module break-make according to the actual state of voltage by described monitoring voltage oneself.In this preferred embodiment, described controllable switch module is a catalyst；Described bypass and locking module are the control contact in catalyst, and this control contact is by controller control.
Described input side main power source is the 3*400V alternating current sent into by electrical network end.
In sum, one wind power generating set high voltage crossing of the present invention controls device by using voltage monitor as resistance to voltage device, the transient high voltage that the resistance to voltage device such as voltage monitor bear more than at least 2 seconds is utilized with electrical network in the case of pitch-controlled system departs from, nationality and can ensure that wind power generating set not with electrical network depart from the case of, realize high voltage crossing, prevent the enormous impact further electrical network caused and jeopardize the generation of wind power generating set security incident, the present invention coordinates with corresponding high voltage crossing control method simultaneously, can according to grid condition realize pitch-controlled system automatically with the off-grid operation of electrical network.
Techniques discussed above scheme is only a kind of wind power generating set high voltage crossing control method and the preferred embodiment of device thereof, and any equivalent transformation or replacement made in the present invention a kind of wind power generating set high voltage crossing control method and device basic thereof is included within the scope of the claim of this patent.
Claims (9)
1. a wind power generating set high voltage crossing controls device, it is applicable to AC type wind generating set pitch control away from system, it includes a controller, it is characterized in that: high voltage crossing controls device and farther includes a voltage monitor, three controllable switch module, the controllable switch module that described voltage monitor, controller and three are controlled by controller forms change oar high voltage crossing and controls loop；
Described voltage monitor is connected in variable-pitch sliding ring, and described voltage monitor requires to be resistant to the voltage more than or equal to 600V, and described voltage monitor is for monitoring the three-phase alternating voltage signal of input side main power source and feeding back high voltage crossing signal to controller；
Described controllable switch module is connected in variable-pitch sliding ring, and described voltage monitor is positioned at the front end of controllable switch module, and this controllable switch module described in three is for being increased to U at input voltage1>=520V and U1>=520V duration T1Disconnect more than or equal to being controlled described controllable switch module by described controller during setting time T with the disconnection realizing input side main power source and variable pitch driver；
Described variable pitch driver is connected in variable-pitch sliding ring obtain the electric energy of input side main power source by three described controllable switch module.
2. a kind of wind power generating set high voltage crossing as claimed in claim 1 controls device, it is characterised in that: described setting time T is more than or equal to 2S.
3. a kind of wind power generating set high voltage crossing as claimed in claim 2 controls device, it is characterized in that: described high voltage crossing control loop farther includes a temperature and opens machine control module, described temperature open machine control module for pitch system of wind driven generator in-cabinet temperature reach more than 0 DEG C and humidity below 90% time, start the pitch control function of pitch-controlled system；Described temperature open machine control module pitch-controlled system in-cabinet temperature less than 0 DEG C or humidity more than 90% time, this temperature opens machine control module and is in off state；When pitch-controlled system in-cabinet temperature reach more than 0 DEG C and humidity below 90% time, it is in the conduction state that this temperature opens machine control module.
4. a kind of wind power generating set high voltage crossing as claimed in claim 3 controls device, it is characterized in that: described high voltage crossing controls loop and farther includes one bypass-locked loop, described bypass-locked loop is a switch with on-off function, and bypass-locked loop is connected in parallel on described temperature and opens in machine control module.
5. a kind of wind power generating set high voltage crossing as claimed in claim 4 controls device, it is characterized in that: described bypass-locked loop for wind generating set pitch control system in-cabinet temperature reach more than 0 DEG C and humidity below 90% time, temperature opens machine control module mask, simultaneously, wind generating set pitch control powers on away from control system or first because of when shutdown causes variable-pitch control system without controlling electricity consumption for a long time, the control electricity consumption after pitch-variable system supply is converted of the input side main power source is controlled by wind turbine generator system controller, once variable-pitch control system powers on successfully, temperature is opened machine control module and masks by described bypass-locked loop.
6. a kind of wind power generating set high voltage crossing as claimed in claim 5 controls device, it is characterised in that: described voltage monitor is a three-phase voltage monitor, and described controllable switch module at least should be any one in a catalyst or controllable silicon.
7. a kind of wind power generating set high voltage crossing as described in claim 6 controls device, it is characterized in that: described controller reaches to control the break-make of described catalyst by a relay, nationality and realize the break-make of input side main power source and variable pitch driver current supply circuit.
8. a kind of wind power generating set high voltage crossing as described in any one of claim 4-7 controls device, it is characterised in that: described bypass and locking module are the control contact in catalyst, and this control contact is by controller control.
9. a kind of wind power generating set high voltage crossing as described in any one of claim 1-7 controls device, it is characterised in that: described controller at least should be the one in wind power generating set master controller or pitch control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201520981418.5U CN205429756U (en) | 2015-12-02 | 2015-12-02 | Wind generating set high voltage passes through controlling means |
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| CN201520981418.5U CN205429756U (en) | 2015-12-02 | 2015-12-02 | Wind generating set high voltage passes through controlling means |
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| CN205429756U true CN205429756U (en) | 2016-08-03 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105610183A (en) * | 2015-12-02 | 2016-05-25 | 成都阜特科技股份有限公司 | Wind power generating set high voltage ride-through control device |
| CN110138012A (en) * | 2019-06-18 | 2019-08-16 | 天津瑞源电气有限公司 | A kind of high-voltage ride through of wind power generating set control method, device and equipment |
| CN110190620A (en) * | 2019-03-07 | 2019-08-30 | 埃斯倍风电科技(青岛)有限公司 | A kind of high pressure of pitch-controlled system passes through circuit and method |
| US20220294336A1 (en) * | 2021-03-12 | 2022-09-15 | Huawei Digital Power Technologies Co., Ltd. | Power supply system and control method for power supply system |
-
2015
- 2015-12-02 CN CN201520981418.5U patent/CN205429756U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105610183A (en) * | 2015-12-02 | 2016-05-25 | 成都阜特科技股份有限公司 | Wind power generating set high voltage ride-through control device |
| CN105610183B (en) * | 2015-12-02 | 2018-09-18 | 成都阜特科技股份有限公司 | A kind of wind power generating set high voltage crossing control device |
| CN110190620A (en) * | 2019-03-07 | 2019-08-30 | 埃斯倍风电科技(青岛)有限公司 | A kind of high pressure of pitch-controlled system passes through circuit and method |
| CN110138012A (en) * | 2019-06-18 | 2019-08-16 | 天津瑞源电气有限公司 | A kind of high-voltage ride through of wind power generating set control method, device and equipment |
| US20220294336A1 (en) * | 2021-03-12 | 2022-09-15 | Huawei Digital Power Technologies Co., Ltd. | Power supply system and control method for power supply system |
| US11984800B2 (en) * | 2021-03-12 | 2024-05-14 | Huawei Digital Power Technologies Co., Ltd. | Power supply system and control method for power supply system |
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