CN113808814B - Energy-saving short-circuit impact resistant offshore wind power transformer - Google Patents
Energy-saving short-circuit impact resistant offshore wind power transformer Download PDFInfo
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- CN113808814B CN113808814B CN202111375579.6A CN202111375579A CN113808814B CN 113808814 B CN113808814 B CN 113808814B CN 202111375579 A CN202111375579 A CN 202111375579A CN 113808814 B CN113808814 B CN 113808814B
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- transformer
- control unit
- damping device
- telescopic rod
- balance degree
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/06—Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/023—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means
- F16F15/027—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means comprising control arrangements
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/40—Structural association with built-in electric component, e.g. fuse
- H01F27/402—Association of measuring or protective means
Abstract
The invention relates to an energy-saving short-circuit impact resistant offshore wind power transformer, which comprises: a case to accommodate the transformer main body; the damping mechanism is arranged at the bottom of the shell and used for maintaining the balance of the transformer; the control unit is respectively connected with the damping mechanism and the wind speed sensor and used for receiving data measured by the position sensor, the wind speed sensor and the weight sensor and calculating the balance degree of the transformer according to the height of the bearing table, the control unit compares the balance degree of the transformer with a preset value and judges whether the balance degree of the transformer meets the standard according to the result, and corrects the operating parameters of the damping device according to the actual balance degree of the transformer when the balance degree of the transformer does not meet the standard.
Description
Technical Field
The invention relates to the technical field of transformers, in particular to an energy-saving short-circuit impact resistant offshore wind power transformer.
Background
The offshore platform is a truss structure which is higher than the sea surface and has a horizontal table top, is used for production operation or other activities, is divided into a fixed offshore platform and a floating offshore platform according to whether the position of the offshore platform is fixed, and no matter which offshore platform is used, the offshore platform can be impacted by the influence of storm waves and the like on the sea, so that the transformer cannot maintain the balance of the transformer when in work, and further the accident of short circuit of the offshore wind power transformer always occurs.
Disclosure of Invention
Therefore, the invention provides an energy-saving type short-circuit impact resistant offshore wind power transformer, which is used for solving the problem that the balance of the transformer cannot be maintained when the transformer works in the prior art.
In order to achieve the above object, the present invention provides an energy-saving short-circuit impact resistant offshore wind power transformer, comprising:
the transformer comprises a shell, a transformer body and a control unit, wherein the shell comprises a cavity formed by a bottom wall and a side wall and used for accommodating the transformer body, the side wall of the shell is provided with an air speed sensor used for detecting air speed, and the air speed sensor sends measured data to the control unit;
the damping mechanism is arranged at the bottom of the shell, comprises a bearing platform arranged in the shell and a damping device connected with the bearing platform and is used for maintaining the balance of the transformer; the transformer load-bearing platform is characterized in that a position sensor and a weight sensor are arranged in the load-bearing platform, the position sensor is used for detecting the heights of two ends of the load-bearing platform and sending a detection result to the control unit, and the weight sensor is used for detecting the weight of the transformer and sending the detection result to the control unit;
the control unit is respectively connected with the damping mechanism and the wind speed sensor and used for receiving data measured by the position sensor, the wind speed sensor and the weight sensor and calculating the balance degree of the transformer according to the height of the bearing table, the control unit compares the balance degree of the transformer with a preset value and judges whether the balance degree of the transformer meets the standard according to the result, and the control unit corrects the operating parameters of the damping device according to the balance degree of the actual transformer when the balance degree of the transformer does not meet the standard.
Further, when the transformer works, the control unit obtains the height of the bearing table obtained by the position sensor to calculate the actual transformer balance degree a, and sets a = | H1-H2|, when the calculation is completed, the control unit compares the actual transformer balance degree a with the preset transformer balance degree a0, and judges whether the transformer balance degree meets the standard according to the comparison result, wherein H1 is the height of one end of the bearing table, and H2 is the height of the other end of the bearing table;
the preset transformer balance degree A0 in the control unit comprises a first preset transformer balance degree A1 and a second preset transformer balance degree A2, wherein A1 is less than A2;
when A is less than A1, the control unit judges that the balance degree of the transformer meets the standard and does not need to adjust the operation parameters of the damping device;
when A is not less than A1 and not more than A2, the control unit judges whether the balance degree of the transformer meets the standard or not by combining wind speed secondary judgment;
when A is larger than A2, the control unit judges that the balance degree of the transformer does not meet the standard and needs to adjust the operation parameters of the damping device.
Further, when the control unit determines that the operation parameters of the damping device need to be adjusted, the control unit calculates a transformer balance degree difference Δ a, corrects the supporting angle of the damping device according to the transformer balance degree difference Δ a until the transformer balance degree meets a standard, and sets Δ a = a-a2, the control unit records the corrected supporting angle of the damping device as θ, and sets θ = θ 0 × (1- (. DELTA./a 2)), wherein θ 0 is a preset damping device supporting angle;
when H1 is greater than H2, the control unit corrects the extending length of the telescopic rod of the damping device corresponding to the height of the plummer as the H1 side, and the extending length of the telescopic rod of the damping device is increased to a corresponding value, so that the balance degree of the transformer meets the standard;
when H1 is less than H2, the control unit corrects the extending length of the telescopic rod of the damping device corresponding to the height of the plummer H2, and the extending length of the telescopic rod of the damping device is increased to a corresponding value, so that the balance degree of the transformer meets the standard.
Further, the control unit is also provided with a minimum supporting angle theta min, when the control unit needs to correct the angle of the damping device to theta, the control unit compares the corrected supporting angle theta with the minimum supporting angle theta min, when theta is smaller than theta min, the control unit judges that the supporting angle of the single-side damping device cannot be corrected only, the corresponding supporting angle of the damping device is adjusted to theta min, and when theta is larger than or equal to theta min, the control unit judges that the supporting angle of the damping device meets the standard.
Further, when the control unit judges that the supporting angle of the single-side damping device cannot be corrected only, the control unit calculates a supporting angle difference value delta theta, compares the supporting angle difference value delta theta with a preset supporting angle difference value, and selects a corresponding telescopic rod adjusting amount according to a comparison result so as to adjust the extending length of the telescopic rod of the damping device on the opposite side to a corresponding value until the balance degree of the transformer meets the standard;
the preset supporting angle difference value comprises a first preset supporting angle difference value delta theta 1, a second preset supporting angle difference value delta theta 2 and a third preset supporting angle difference value delta theta, and the telescopic rod adjusting quantity comprises a first telescopic rod adjusting quantity W1, a second telescopic rod adjusting quantity W2, a third telescopic rod adjusting quantity W3 and a fourth telescopic rod adjusting quantity W4;
when delta theta is smaller than delta theta 1, the control unit selects a first telescopic rod adjusting amount W1 to reduce the extending length of the opposite telescopic rod to a corresponding value;
when the delta theta is more than or equal to the delta theta 1 and less than the delta theta 2, the control unit selects the adjustment amount W2 of the second telescopic rod to reduce the extending length of the telescopic rod on the opposite side to a corresponding value;
when delta theta 2 is less than or equal to delta theta 3, the control unit selects a third telescopic rod adjusting amount W3 to reduce the extending length of the opposite telescopic rod to a corresponding value;
when the delta theta is more than or equal to the delta theta 3, the control unit selects the fourth telescopic link adjustment amount W4 to reduce the extending length of the opposite telescopic link to a corresponding value;
when the control unit selects the adjustment quantity of the ith telescopic rod to reduce the extending length of the telescopic rod on the opposite side to a corresponding value, i =1,2,3 and 4, the control unit records the extending length of the telescopic rod on the opposite side after the adjustment quantity is reduced as Wa, and Wa = W0-Wi is set.
Further, the control unit is also provided with a minimum value Wmin of the extension length of the telescopic rod, when the control unit judges that the extension length of the telescopic rod on the opposite side needs to be reduced to Wa, the control unit compares the Wa with the minimum value Wmin of the extension length of the telescopic rod on the opposite side, when Wa is larger than or equal to Wmin, the control unit judges that the extension length of the telescopic rod on the opposite side meets the standard, when Wa is smaller than Wmin, the control unit judges that the damping device cannot maintain the balance of the transformer, and sends a transformer balance degree early warning signal.
Further, when the control unit determines that whether the transformer balance degree meets the standard in combination with the wind speed secondary judgment is needed, the control unit acquires the wind speed V measured by the wind speed sensor, compares the wind speed V with a preset wind speed V0, and secondarily judges whether the transformer balance degree meets the standard according to a comparison result;
when V is larger than or equal to V0, the control unit judges that the balance degree of the transformer meets the standard;
when V < V0, the control unit determines that the transformer balance does not meet the standard.
Further, when the control unit controls the damping device to work, the control unit obtains the transformer weight E measured by the weight sensor, compares the transformer weight E with a preset transformer weight E0, and corrects the support angle θ 0 according to the comparison result, and the control unit records the corrected preset support angle as θ 0 ', and sets θ 0' = θ 0 × (E/E0).
Furthermore, the damping device comprises a hydraulic cylinder and a connecting rod, wherein one end of the hydraulic cylinder is connected with the side wall of the shell, and the other end of the hydraulic cylinder is connected with a telescopic rod; one end of the connecting rod is hinged with the bearing platform, and the other end of the connecting rod is hinged with the telescopic rod.
Furthermore, an auxiliary mechanism is arranged on the side wall of the shell and comprises an auxiliary device for maintaining the balance of the transformer and an adjusting device for adjusting the position of the auxiliary device; the auxiliary device comprises a first mounting plate and a second mounting plate, and a spring is arranged between the first connecting plate and the second connecting plate; adjusting device includes the screw rod of being connected with the second mounting panel and the regulation handle of being connected with the screw rod, wherein, the screw rod pass the through-hole with the second mounting panel is connected.
Compared with the prior art, the invention has the advantages that the damping mechanism and the auxiliary mechanism are arranged to damp the transformer so as to maintain the balance of the transformer and avoid the influence of the self work of the transformer and external factors on the balance of the transformer, meanwhile, the embodiment of the invention is also provided with the control unit, the control unit acquires data detected by the position sensor in real time so as to accurately master the balance degree of the transformer, and the control unit masters the balance degree of the transformer in real time, on one hand, the balance state of the transformer can be mastered in real time, so that the transformer can run in a stable state, the service life of the transformer can be prolonged, on the other hand, the control unit adjusts the running parameters of the damping structure, the impact on the transformer can be effectively absorbed, and the impact resistance of the transformer is effectively improved, the occurrence of short circuit and accidents can be effectively avoided, and the safety of the transformer is effectively improved.
Furthermore, the control unit of the invention is preset with a transformer balance degree standard, when the transformer works, the control unit acquires data measured by the position sensor arranged in the bearing table in real time, and according to the data measured by the position sensor, on one hand, the working environment of the transformer can be mastered in real time, when the transformer balance degree does not meet the standard, the control unit adjusts the parameters of the damping device, so that the transformer works in the environment meeting the standard, on the other hand, the operation parameters of the damping device can be more accurately adjusted through the data detected by the position sensor, the impact resistance of the transformer is effectively improved, meanwhile, the occurrence of short circuit and accidents can be effectively avoided, and the safety of the transformer is effectively improved.
Furthermore, the control unit in the invention judges that the balance degree of the transformer does not meet the standard, calculates the difference value of the balance degree of the transformer, adjusts the length of the telescopic rod of the damping device through the difference value of the balance degree to change the supporting angle theta of the damping device, and further adjusts the height of the bearing table to ensure that the balance degree of the transformer meets the standard, and adjusts the extending length of the damping device to change the supporting angle theta of the damping device.
Furthermore, the control unit is also provided with a minimum supporting angle of the damping device, when the transformer is damped, the control unit compares the corrected supporting angle of the damping device with the minimum supporting angle of the damping device in real time, and the control unit compares the corrected supporting angle of the damping device with the minimum supporting angle of the damping device in real time.
Furthermore, a plurality of supporting angle difference values are preset in the control unit, when the control unit judges that the balance of the transformer cannot be maintained by adjusting the supporting angle of the damping device on one side, the balance of the transformer is maintained by adjusting the extension length of the telescopic rod of the damping device on the opposite side, and the balance degree of the transformer is maintained by using two damping devices through the control unit, so that the damping devices can work in a state meeting the standard, the impact resistance of the transformer is effectively improved, meanwhile, the occurrence of short circuits and accidents can be effectively avoided, and further, the safety of the transformer is effectively improved.
Furthermore, the control unit is also provided with a minimum extension length value of a telescopic rod of the damping device, when the transformer is damped, the control unit compares the corrected extension length of the telescopic rod of the damping device with the minimum extension length value of the telescopic rod of the damping device in real time, and the control device compares the corrected extension length of the telescopic rod of the damping device with the minimum extension length value of the telescopic rod of the damping device in real time.
Furthermore, the control unit is also provided with a preset wind speed, the wind speed at the position of the transformer is acquired in real time through the wind speed sensor on the outer side of the side wall of the shell, the external environment at the position of the transformer can be mastered in real time, the balance condition of the transformer can be mastered more accurately through comparison between the actual wind speed and the preset wind speed through the control unit, the impact resistance of the transformer is effectively improved, meanwhile, short circuit and accidents can be effectively avoided, and further the safety of the transformer is effectively improved.
Furthermore, the weight of the transformer is preset, the control unit can enable the control unit to more accurately master the balance degree of the transformer with different weights by acquiring the weight sensor in real time through the control unit to correct the preset supporting angle, and then the damping device can be more reasonably adjusted.
Drawings
Fig. 1 is a schematic structural diagram of the energy-saving short-circuit impact resistant offshore wind power transformer of the invention.
Reference numerals: 1-transformer body, 2-shell, 3-auxiliary mechanism, 21-bearing table, 22-hydraulic cylinder, 221-telescopic rod, 222-support rod, 31-first mounting plate, 32-spring, 33-second mounting plate, 34-screw rod and 35-adjusting handle.
Detailed Description
In order that the objects and advantages of the invention will be more clearly understood, the invention is further described below with reference to examples; it should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and do not limit the scope of the present invention.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1, a schematic structural diagram of the energy-saving short-circuit impact resistant offshore wind power transformer provided in an embodiment of the present invention includes:
and the shell 2 comprises a cavity formed by a bottom wall and a side wall in the shell and is used for accommodating the transformer main body 1, wherein a threaded through hole and an air speed sensor for detecting the air speed are arranged on the side wall of the shell, and the air speed sensor sends the measured data to the control unit.
A damping mechanism disposed at the bottom of the housing 2, including a platform 21 disposed inside the housing 2 and a damping device connected to the platform 21, for maintaining the balance of the transformer 1; be provided with position sensor and weight sensor in the plummer 21, position sensor sets up respectively and is used for detecting at the plummer both ends the height at plummer 21 both ends to send the testing result to the control unit, weight sensor is used for detecting transformer weight, and send the testing result to the control unit.
An auxiliary mechanism 3 including an auxiliary device for maintaining the balance of the transformer and an adjusting device for adjusting the position of the auxiliary device; wherein, the auxiliary device comprises a first mounting plate 31 and a second mounting plate 33 connected with the first mounting plate 31 through a spring 32; the adjusting device comprises a screw rod 34 connected with the second mounting plate 33 and an adjusting handle connected with the screw rod 34, wherein the screw rod 34 is connected with the second mounting plate through a through hole 34; in operation, the position of the auxiliary device is adjusted by rotating the adjustment handle 35, and the rotation of the adjustment handle is stopped when the first mounting plate 31 comes into contact with the side wall of the transformer 1. It can be understood by those skilled in the art that the number of the damping devices is not limited in the present invention, and only the damping effect can be achieved, and in this embodiment, the number of the auxiliary devices is preferably two, and the auxiliary devices are oppositely disposed on two sides of the side wall of the housing.
And the control unit (not shown) is respectively connected with the damping mechanism and the wind speed sensor and is used for receiving data measured by the position sensor, the wind speed sensor and the weight sensor so as to adjust the operating parameters of the damping mechanism.
Referring to fig. 1, in the present embodiment, the damping device includes a hydraulic cylinder 21 and a connecting rod 222, wherein the hydraulic cylinder 22 is disposed in a direction close to the bottom wall of the housing 2, one end of the hydraulic cylinder 22 is connected to the side wall of the housing 2, and the other end is connected to a telescopic rod 221; one end of the connecting rod 222 is hinged to the plummer, and the other end is hinged to the telescopic rod 221; when the damping device works, the control unit controls the hydraulic cylinder to drive the telescopic rod to stretch and retract, the telescopic rod drives the connecting rod to rotate so as to change a supporting angle theta between the connecting rod and the telescopic rod, and further maintain the balance of the transformer, wherein the angle range of the theta is 33-90 degrees. Those skilled in the art can understand that the number of the damping devices in the present invention is not limited, and only the damping effect can be achieved, and in this embodiment, the number of the damping devices is preferably two, and the damping devices are oppositely disposed on two sides of the inside of the housing.
Specifically, the embodiment of the invention is provided with a damping mechanism and an auxiliary mechanism to damp the transformer so as to maintain the balance of the transformer and avoid the influence of the work of the transformer and external factors on the balance of the transformer, and simultaneously, the embodiment of the invention is also provided with a control unit which acquires data detected by a position sensor in real time so as to accurately master the balance degree of the transformer, and the control unit is used for mastering the balance degree of the transformer in real time, on one hand, the balance state of the transformer can be mastered in real time so that the transformer can operate in a stable state, the service life of the transformer can be prolonged, on the other hand, the control unit is used for adjusting the operation parameters of the damping structure, the impact on the transformer can be effectively absorbed, the impact resistance of the transformer is effectively improved, and meanwhile, the occurrence of short circuit and accidents can be effectively avoided, thereby effectively increasing the safety of the transformer.
Specifically, when the transformer works, the control unit obtains the height of the bearing table obtained by the position sensor to calculate the actual transformer balance degree a, and sets a = | H1-H2|, when the calculation is completed, the control unit compares the actual transformer balance degree a with the preset transformer balance degree a0, and judges whether the transformer balance degree meets the standard according to the comparison result, wherein H1 is the height of one end of the bearing table, and H2 is the height of the other end of the bearing table;
the preset transformer balance degree A0 in the control unit comprises a first preset transformer balance degree A1 and a second preset transformer balance degree A2, wherein A1 is less than A2;
when A is less than A1, the control unit judges that the balance degree of the transformer meets the standard and does not need to adjust the operation parameters of the damping device;
when A is not less than A1 and not more than A2, the control unit judges whether the balance degree of the transformer meets the standard or not by combining wind speed secondary judgment;
when A is larger than A2, the control unit judges that the balance degree of the transformer does not meet the standard and needs to adjust the operation parameters of the damping device.
Specifically, a transformer balance degree standard is preset in the control unit in the embodiment of the invention, when the transformer works, the control unit acquires data measured by the position sensor arranged in the bearing table in real time, and according to the data measured by the position sensor, on one hand, the working environment of the transformer can be mastered in real time, when the transformer balance degree does not meet the standard, the control unit adjusts the parameters of the damping device, so that the transformer works in the environment meeting the standard, on the other hand, the operation parameters of the damping device can be more accurately adjusted through the data detected by the position sensor, the impact resistance of the transformer is effectively improved, meanwhile, the occurrence of short circuit and accidents can be effectively avoided, and the safety of the transformer is effectively improved.
Specifically, when the control unit determines that the operation parameters of the damping device need to be adjusted, the control unit calculates a transformer balance degree difference value delta A, corrects the supporting angle of the damping device according to the transformer balance degree difference value delta A until the transformer balance degree meets the standard, and sets delta A = A-A2, the control unit records the corrected supporting angle of the damping device as theta, and sets theta = theta 0 x (1- (. DELTA A/A2)), wherein theta 0 is a preset damping device supporting angle;
when H1 is greater than H2, the control unit corrects the extending length of the telescopic rod of the damping device corresponding to the height of the plummer as the H1 side, and the extending length of the telescopic rod of the damping device is increased to a corresponding value, so that the balance degree of the transformer meets the standard;
when H1 is less than H2, the control unit corrects the extending length of the telescopic rod of the damping device corresponding to the height of the plummer H2, and the extending length of the telescopic rod of the damping device is increased to a corresponding value, so that the balance degree of the transformer meets the standard.
Specifically, in the embodiment of the invention, when the control unit determines that the balance degree of the transformer does not meet the standard, the control unit calculates the difference value of the balance degree of the transformer, adjusts the length of the telescopic rod of the damping device through the difference value of the balance degree of the transformer, so as to change the supporting angle theta of the damping device, and further adjusts the height of the bearing table, so that the balance degree of the transformer meets the standard, and adjusts the extending length of the damping device so as to change the supporting angle theta of the damping device.
Specifically, the control unit is further provided with a minimum supporting angle theta min, when the control unit needs to correct the angle of the damping device to theta, the control unit compares the corrected supporting angle theta with the minimum supporting angle theta min, when theta is smaller than theta min, the control unit judges that the supporting angle of the single-side damping device cannot be corrected, the corresponding supporting angle of the damping device is adjusted to theta min, and when theta is larger than or equal to theta min, the control unit judges that the supporting angle of the damping device meets the standard.
Specifically, the control unit in the embodiment of the invention is further provided with a minimum supporting angle of the damping device, when the transformer is damped, the control unit compares the corrected supporting angle of the damping device with the minimum supporting angle of the damping device in real time, and the control unit compares the corrected supporting angle of the damping device with the minimum supporting angle of the damping device in real time.
Specifically, when the control unit judges that the supporting angle of the single-side damping device cannot be corrected only, the control unit calculates a supporting angle difference value delta theta, compares the supporting angle difference value delta theta with a preset supporting angle difference value, and selects a corresponding telescopic rod adjusting amount according to a comparison result so as to adjust the extending length of the telescopic rod of the damping device on the opposite side to a corresponding value until the balance degree of the transformer meets the standard;
the preset supporting angle difference value comprises a first preset supporting angle difference value delta theta 1, a second preset supporting angle difference value delta theta 2 and a third preset supporting angle difference value delta theta, and the telescopic rod adjusting quantity comprises a first telescopic rod adjusting quantity W1, a second telescopic rod adjusting quantity W2, a third telescopic rod adjusting quantity W3 and a fourth telescopic rod adjusting quantity W4;
when delta theta is smaller than delta theta 1, the control unit selects a first telescopic rod adjusting amount W1 to reduce the extending length of the opposite telescopic rod to a corresponding value;
when the delta theta is more than or equal to the delta theta 1 and less than the delta theta 2, the control unit selects the adjustment amount W2 of the second telescopic rod to reduce the extending length of the telescopic rod on the opposite side to a corresponding value;
when delta theta 2 is less than or equal to delta theta 3, the control unit selects a third telescopic rod adjusting amount W3 to reduce the extending length of the opposite telescopic rod to a corresponding value;
when the delta theta is more than or equal to the delta theta 3, the control unit selects the fourth telescopic link adjustment amount W4 to reduce the extending length of the opposite telescopic link to a corresponding value;
when the control unit selects the adjustment quantity of the ith telescopic rod to reduce the extending length of the telescopic rod on the opposite side to a corresponding value, i =1,2,3 and 4, the control unit records the extending length of the telescopic rod on the opposite side after the adjustment quantity is reduced as Wa, and Wa = W0-Wi is set.
Specifically, a plurality of supporting angle difference values are preset in the control unit in the embodiment of the invention, when the control unit judges that the balance of the transformer cannot be maintained by adjusting the supporting angle of the damping device on one side, the balance of the transformer is maintained by adjusting the extension length of the telescopic rod of the damping device on the opposite side, and the balance degree of the transformer is maintained by using two damping devices through the control unit, so that the damping devices can work in a state meeting the standard, the impact resistance of the transformer is effectively improved, meanwhile, the occurrence of short circuit and accidents can be effectively avoided, and further, the safety of the transformer is effectively improved.
Specifically, the control unit is further provided with a minimum value Wmin of the extension length of the telescopic rod, when the control unit judges that the extension length of the telescopic rod on the opposite side needs to be reduced to Wa, the control unit compares the Wa with the minimum value Wmin of the extension length of the telescopic rod on the opposite side, when Wa is larger than or equal to Wmin, the control unit judges that the extension length of the telescopic rod on the opposite side meets the standard, when Wa is smaller than Wmin, the control unit judges that the damping device cannot maintain the balance of the transformer, and sends a transformer balance degree early warning signal.
Specifically, the control unit in the embodiment of the invention is further provided with a minimum extension length of a telescopic rod of the damping device, when the transformer is damped, the control unit compares the corrected extension length of the telescopic rod of the damping device with the minimum extension length of the telescopic rod of the damping device in real time, and the control unit compares the corrected extension length of the telescopic rod of the damping device with the minimum extension length of the telescopic rod of the damping device in real time.
Specifically, when the control unit determines that whether the transformer balance degree meets the standard in combination with the wind speed twice, the control unit acquires the wind speed V measured by the wind speed sensor, compares the wind speed V with a preset wind speed V0, and secondarily determines whether the transformer balance degree meets the standard according to a comparison result;
when V is larger than or equal to V0, the control unit judges that the balance degree of the transformer meets the standard;
when V < V0, the control unit determines that the transformer balance does not meet the standard.
Specifically, the control unit in the embodiment of the invention is further provided with a preset wind speed, the wind speed at the position of the transformer is acquired in real time through the wind speed sensor on the outer side of the side wall of the shell, the external environment at the position of the transformer can be mastered in real time, the balance condition of the transformer can be mastered more accurately through comparison of the actual wind speed and the preset wind speed by the control unit, the impact resistance of the transformer is effectively improved, meanwhile, the occurrence of short circuit and accidents can be effectively avoided, and the safety of the transformer is effectively improved.
Specifically, when the control unit controls the damping device to work, the control unit obtains the transformer weight E measured by the weight sensor, compares the transformer weight E with a preset transformer weight E0, and corrects a preset supporting angle θ 0 according to a comparison result, and the control unit records the corrected preset supporting angle as θ 0 ', and sets θ 0' = θ 0 × (E/E0).
Specifically, the weight of the transformer is preset, the control unit can enable the control unit to more accurately master the balance of the transformer with different weights by acquiring the weight sensor in real time through the control unit to correct the preset supporting angle, and further enable the damping device to be more reasonably adjusted.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention; various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. An energy-saving short-circuit impact resistant offshore wind power transformer, characterized by comprising:
the transformer comprises a shell, a transformer body and a control unit, wherein the shell comprises a cavity formed by a bottom wall and a side wall and used for accommodating the transformer body, the side wall of the shell is provided with an air speed sensor used for detecting air speed, and the air speed sensor sends measured data to the control unit;
the damping mechanism is arranged at the bottom of the shell, comprises a bearing platform arranged in the shell and a damping device connected with the bearing platform and is used for maintaining the balance of the transformer; the transformer load-bearing platform is characterized in that a position sensor and a weight sensor are arranged in the load-bearing platform, the position sensor is used for detecting the heights of two ends of the load-bearing platform and sending a detection result to the control unit, and the weight sensor is used for detecting the weight of the transformer and sending the detection result to the control unit;
the control unit is respectively connected with the damping mechanism and the wind speed sensor and used for receiving data measured by the position sensor, the wind speed sensor and the weight sensor and calculating the balance degree of the transformer according to the height of the bearing table, the control unit compares the actual balance degree of the transformer with a preset value and adjusts the supporting angle of the damping device, when the control unit judges that the balance degree of the transformer is greater than the preset value, the control unit adjusts the supporting angle of the damping device by controlling the extending length of the damping device so as to enable the balance degree of the transformer to meet the standard, and when the control unit judges that the balance degree of the transformer belongs to the preset value, the control unit secondarily judges the balance degree of the transformer by combining the wind speed;
when the transformer works, the control unit acquires the height of the bearing table acquired by the position sensor to calculate the actual transformer balance degree A, and sets A = | H1-H2|, when the calculation is completed, the control unit compares the actual transformer balance degree A with the preset transformer balance degree A0 and judges whether the transformer balance degree meets the standard according to the comparison result, wherein H1 is the height of one end of the bearing table, and H2 is the height of the other end of the bearing table;
the preset transformer balance degree A0 in the control unit comprises a first preset transformer balance degree A1 and a second preset transformer balance degree A2, wherein A1 is less than A2;
when A is less than A1, the control unit judges that the balance degree of the transformer meets the standard and does not need to adjust the operation parameters of the damping device;
when A is not less than A1 and not more than A2, the control unit judges whether the balance degree of the transformer meets the standard or not by combining wind speed secondary judgment;
when A is larger than A2, the control unit judges that the balance degree of the transformer does not meet the standard, and the operation parameters of the damping device need to be adjusted;
when the control unit determines that whether the balance degree of the transformer meets the standard in combination with the wind speed twice, the control unit acquires the wind speed V measured by the wind speed sensor, compares the wind speed V with a preset wind speed V0, and secondarily determines whether the balance degree of the transformer meets the standard according to a comparison result;
when V is larger than or equal to V0, the control unit judges that the balance degree of the transformer meets the standard;
when V is less than V0, the control unit judges that the balance degree of the transformer does not meet the standard;
the damping device comprises a hydraulic cylinder and a connecting rod, wherein one end of the hydraulic cylinder is connected with the side wall of the shell, and the other end of the hydraulic cylinder is connected with a telescopic rod; one end of the connecting rod is hinged with the bearing platform, and the other end of the connecting rod is hinged with the telescopic rod.
2. The energy-saving short-circuit impact resistant offshore wind power transformer according to claim 1, wherein when the control unit determines that the operation parameters of the damping device need to be adjusted, the control unit calculates a transformer balance difference Δ a, corrects the supporting angle of the damping device according to the transformer balance difference Δ a until the transformer balance meets the standard, sets Δ a = a-a2, and records the corrected supporting angle of the damping device as θ and sets θ = θ 0 × (1- (. DELTA.A/A2)), wherein θ 0 is a preset damping device supporting angle;
when H1 is greater than H2, the control unit corrects the extending length of the telescopic rod of the damping device corresponding to the height of the plummer as the H1 side, and the extending length of the telescopic rod of the damping device is increased to a corresponding value, so that the balance degree of the transformer meets the standard;
when H1 is less than H2, the control unit corrects the extending length of the telescopic rod of the damping device corresponding to the height of the plummer H2, and the extending length of the telescopic rod of the damping device is increased to a corresponding value, so that the balance degree of the transformer meets the standard.
3. The energy-saving short-circuit impact resistant offshore wind power transformer according to claim 2, characterized in that a minimum supporting angle θ min is further arranged in the control unit, when the control unit needs to correct the angle of the damping device to θ, the control unit compares the corrected supporting angle θ with the minimum supporting angle θ min, when θ is smaller than θ min, the control unit judges that the supporting angle of the damping device on one side cannot be corrected only, and adjusts the supporting angle of the corresponding damping device to θ min, and when θ is larger than or equal to θ min, the control unit judges that the supporting angle of the damping device meets the standard.
4. The energy-saving short-circuit impact resistant offshore wind power transformer according to claim 3, wherein when the control unit determines that the supporting angle of the single-side damping device cannot be corrected only, the control unit calculates a supporting angle difference Delta theta, compares the supporting angle difference Delta theta with a preset supporting angle difference, and selects a corresponding telescopic rod adjustment amount according to the comparison result to adjust the extension length of the telescopic rod of the damping device on the opposite side to a corresponding value until the transformer balance degree meets the standard;
the preset supporting angle difference value comprises a first preset supporting angle difference value delta theta 1, a second preset supporting angle difference value delta theta 2 and a third preset supporting angle difference value delta theta, and the telescopic rod adjusting quantity comprises a first telescopic rod adjusting quantity W1, a second telescopic rod adjusting quantity W2, a third telescopic rod adjusting quantity W3 and a fourth telescopic rod adjusting quantity W4;
when delta theta is smaller than delta theta 1, the control unit selects a first telescopic rod adjusting amount W1 to reduce the extending length of the opposite telescopic rod to a corresponding value;
when the delta theta is more than or equal to the delta theta 1 and less than the delta theta 2, the control unit selects the adjustment amount W2 of the second telescopic rod to reduce the extending length of the telescopic rod on the opposite side to a corresponding value;
when delta theta 2 is less than or equal to delta theta 3, the control unit selects a third telescopic rod adjusting amount W3 to reduce the extending length of the opposite telescopic rod to a corresponding value;
when the delta theta is more than or equal to the delta theta 3, the control unit selects the fourth telescopic link adjustment amount W4 to reduce the extending length of the opposite telescopic link to a corresponding value;
when the control unit selects the adjustment quantity of the ith telescopic rod to reduce the extending length of the telescopic rod on the opposite side to a corresponding value, i =1,2,3 and 4, the control unit records the extending length of the telescopic rod on the opposite side after the adjustment quantity is reduced as Wa, and Wa = W0-Wi is set.
5. The energy-saving short-circuit impact resistant offshore wind power transformer according to claim 4, wherein the control unit is further provided with a minimum extension rod extension length value Wmin, when the control unit determines that the extension length of the extension rod on the opposite side needs to be reduced to Wa, the control unit compares Wa with the minimum extension rod extension length value Wmin, when Wa is greater than or equal to Wmin, the control unit determines that the extension length of the extension rod on the opposite side meets a standard, and when Wa is less than Wmin, the control unit determines that the damping device cannot maintain the balance of the transformer and sends a transformer balance degree early warning signal.
6. The energy-saving short-circuit impact resistant offshore wind power transformer according to claim 2, wherein when the control unit controls the damping device to work, the control unit obtains the transformer weight E measured by the weight sensor, compares the transformer weight E with a preset transformer weight E0, and corrects a preset supporting angle θ 0 according to the comparison result, and the control unit records the corrected preset supporting angle as θ 0 'and sets θ 0' = θ 0 × (E/E0).
7. The energy-saving short-circuit impact resistant offshore wind power transformer of claim 1, characterized in that an auxiliary mechanism is arranged on the side wall of the housing, comprising an auxiliary device for maintaining the balance of the transformer and an adjusting device for adjusting the position of the auxiliary device; the auxiliary device comprises a first mounting plate and a second mounting plate, and a spring is arranged between the first connecting plate and the second connecting plate; adjusting device includes the screw rod of being connected with the second mounting panel and the regulation handle of being connected with the screw rod, wherein, the screw rod pass the through-hole with the second mounting panel is connected.
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| CN202111375579.6A CN113808814B (en) | 2021-11-19 | 2021-11-19 | Energy-saving short-circuit impact resistant offshore wind power transformer |
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| CN202111375579.6A CN113808814B (en) | 2021-11-19 | 2021-11-19 | Energy-saving short-circuit impact resistant offshore wind power transformer |
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| CN113808814B true CN113808814B (en) | 2022-04-05 |
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| CN204189561U (en) * | 2014-11-19 | 2015-03-04 | 海阳市恒能电气有限公司 | A kind of damping noise control transformer |
| JP6362270B2 (en) * | 2015-02-03 | 2018-07-25 | 三菱重工業株式会社 | Power generation control device, power converter control device, power generation control method, and program |
| JP6617306B2 (en) * | 2016-06-21 | 2019-12-11 | 株式会社エス・エッチ・ティ | Common mode choke coil |
| CN205881621U (en) * | 2016-07-08 | 2017-01-11 | 安徽长龙电气集团有限公司 | Marine dedicated platform transformer protection casing |
| CN206163248U (en) * | 2016-10-17 | 2017-05-10 | 北流市柯顺电子有限公司 | Prevent component damage and prevent antidetonation transformer that topples |
| CN106935362A (en) * | 2017-04-28 | 2017-07-07 | 广西欧讯科技服务有限责任公司 | A kind of ship secrecy transformer |
| CN207752872U (en) * | 2017-12-28 | 2018-08-21 | 山东晨宇电气股份有限公司 | A kind of dry-type power transformer protective device |
| CN207879525U (en) * | 2018-02-26 | 2018-09-18 | 青岛黄海学院 | A kind of deep-sea SPAR floating wind turbine dynamic response analysis and prediction alarm device |
| CN209312539U (en) * | 2018-12-25 | 2019-08-27 | 镇江正耀电子设备有限公司 | A kind of ship transformer having a safety feature |
| CN112002526B (en) * | 2020-09-02 | 2021-06-29 | 南方电网电力科技股份有限公司 | High-voltage wireless power transmission coil |
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