CN116143232A - Online monitoring and corrosion preventing system for cooling medium of wind turbine generator - Google Patents

Online monitoring and corrosion preventing system for cooling medium of wind turbine generator Download PDF

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Publication number
CN116143232A
CN116143232A CN202211511925.3A CN202211511925A CN116143232A CN 116143232 A CN116143232 A CN 116143232A CN 202211511925 A CN202211511925 A CN 202211511925A CN 116143232 A CN116143232 A CN 116143232A
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China
Prior art keywords
cooling medium
module
cooling
wind turbine
deionized
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Pending
Application number
CN202211511925.3A
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Chinese (zh)
Inventor
吴努斌
杨恒辉
尹露
陈雄
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Envision Energy Co Ltd
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Envision Energy Co Ltd
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Priority to CN202211511925.3A priority Critical patent/CN116143232A/en
Publication of CN116143232A publication Critical patent/CN116143232A/en
Pending legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/008—Control or steering systems not provided for elsewhere in subclass C02F
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D17/00—Monitoring or testing of wind motors, e.g. diagnostics
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
    • F03D80/60—Cooling or heating of wind motors
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
    • C02F2001/427—Treatment of water, waste water, or sewage by ion-exchange using mixed beds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/02—Non-contaminated water, e.g. for industrial water supply
    • C02F2103/023—Water in cooling circuits
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/002—Construction details of the apparatus
    • C02F2201/007—Modular design
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/005—Processes using a programmable logic controller [PLC]
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/05—Conductivity or salinity
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/40—Liquid flow rate
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00—General aspects of water treatment
    • C02F2301/04—Flow arrangements
    • C02F2301/046—Recirculation with an external loop
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/08—Corrosion inhibition
    • 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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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Water Supply & Treatment (AREA)
  • Environmental & Geological Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Treatment Of Water By Ion Exchange (AREA)

Abstract

The invention relates to an online monitoring and corrosion preventing system for cooling medium of a wind turbine, which comprises a monitoring module, a main circulating cooling module and a deionized purification module, wherein the deionized purification module is connected in parallel with the main circulating cooling module, the monitoring module is respectively connected with the deionized purification module and the main circulating cooling module and directly enters a fan main control system, the main circulating cooling module comprises a cooled unit, a radiator, a conductivity meter and a pump station which are connected in series, cooling medium flows through the radiator after entering the pump station, enters the cooled unit and returns to the pump station, part of cooling medium enters the deionized purification module after entering the pump station, and then merges at an inlet of the pump station, so that the corrosion preventing function of the cooling medium is realized. Compared with the prior art, the invention realizes the corrosion prevention function of the channel in the water cooling system, simultaneously realizes the monitoring of whether the cooling medium is corroded, prejudges the failure risk of the cooling medium, avoids periodic sampling, inspection and identification, integrates the deionization loop and the cooling, and can realize the operation of the deionization loop without additional power source.

Description

Online monitoring and corrosion preventing system for cooling medium of wind turbine generator
Technical Field
The invention belongs to the technical field of corrosion prevention of cooling media of wind turbines, and relates to an online monitoring corrosion prevention system for cooling media of wind turbines.
Background
The application of the large megawatt wind turbine and the energy storage service liquid cooling is wider and wider, the consumption of the cooling liquid is increased gradually, and the cooling liquid is easy to corrode and lose efficacy along with the lengthening of the running time of the wind turbine.
In the prior art, a method of adding an anti-corrosion inhibitor into the cooling liquid is adopted to slow down the corrosion speed of the cooling liquid and prolong the service life of the cooling liquid. The corrosion inhibition mechanism is that organic carboxylic acid is adsorbed on the metal surface, and corrosive ions in water are isolated from the metal surface, so that the aim of corrosion prevention is fulfilled. However, with this prior art, the corrosion inhibitor is a consumable, the coolant is defined as a consumable, and a large number of coolant needs to be replaced regularly and comprehensively every three years. On the one hand, if the coolant liquid is improperly processed, the environment can be polluted, on the other hand, the coolant liquid replacement process is difficult to operate, the safety risk exists, the cost of coolant liquid materials, the periodic replacement cost and the dangerous waste treatment cost are high, moreover, the failure risk of the coolant liquid cannot be prejudged on line, and periodic sampling, inspection and identification are needed.
Disclosure of Invention
The invention aims to provide an online monitoring and corrosion preventing system for cooling medium of a wind turbine generator set, which aims to solve the problems that the service life of cooling liquid is short and the failure risk of the cooling liquid cannot be predicted.
The aim of the invention can be achieved by the following technical scheme:
the invention provides an online monitoring and corrosion preventing system for cooling medium of a wind turbine, which comprises a monitoring module, a main circulation cooling module and a deionized purification module, wherein the deionized purification module is connected in parallel with the main circulation cooling module, the monitoring module is respectively connected with the deionized purification module and the main circulation cooling module,
the main circulation cooling module comprises a cooled unit, a radiator, a conductivity meter and a pump station which are connected in series,
the conductivity meter is connected with the monitoring module,
the cooling medium flows through the radiator after entering the pump station, enters the cooled unit and returns to the pump station, part of the cooling medium enters the deionized purification module after passing through the pump station, and then is converged at the inlet of the pump station, so that the cooling medium corrosion prevention effect is achieved.
Further, the main circulation cooling module further comprises a flow transmitter, the deionized purification module further comprises an electromagnetic valve for adjusting the flow of the branch, the monitoring module further comprises a controller, and the flow transmitter, the signal receiver, the controller and the electromagnetic valve are sequentially connected.
Further, the deionized water tank comprises a water inlet device, a backwashing space, a fat pressing layer, a resin layer and a drainer which are sequentially arranged.
Further, the deionized water tank further comprises a water inlet and a water outlet, wherein the water inlet is arranged on the water inlet device, and the water outlet is arranged on the water outlet device.
Further, the deionized water tank also comprises an exhaust valve for adjusting the pressure in the deionized water tank, and the exhaust valve is connected with the water inlet device.
Further, the deionized water tank further comprises a drain port for discharging the generated substances in the fat pressing layer, and the drain port is arranged at the interface of the fat pressing layer and the resin layer.
Further, the deionized water tank further comprises a first filter cap and a second filter cap, wherein the first filter cap is arranged on the water inlet, and the second filter cap is arranged on the water outlet.
Further, the water outlet is connected with a precision filter.
Further, the controller is a PLC controller.
Further, the cooled unit comprises a generator, a gear box, a transformer and a frequency converter which are connected in series.
Compared with the prior art, the invention has the following characteristics:
1. the invention comprises a monitoring module, a main circulation cooling module and a deionized purification module, wherein the main circulation cooling module comprises a cooled unit, a radiator, a conductivity meter and a pump station which are connected in series, the deionized purification module comprises a deionized tank and a flow transmitter which are connected in series, the monitoring module comprises a signal receiver, a cooling medium flows through the radiator after being boosted by the pump station, enters the cooled unit and returns to the pump station for reciprocating circulation, part of the cooling medium enters the deionized purification module for purification, the purified cooling medium returns to a loop of the main circulation cooling module for realizing the channel corrosion prevention function in a water cooling system, only the ion exchange resin component is replaced, the system medium does not need to be replaced, and meanwhile, the conductivity meter and the flow transmitter send data to the signal receiver for realizing real-time monitoring on whether the cooling medium is corroded, and the failure risk of the pre-judging cooling medium is avoided for periodic sampling and inspection identification.
2. The invention comprises a flow transmitter, a signal receiver, a controller and an electromagnetic valve which are sequentially connected, wherein the flow transmitter feeds back the monitored flow signal to the signal receiver, and the controller controls the electromagnetic valve to regulate the flow entering the branch of the deionization purification module, so that the flow distribution of the deionization purification module and the main circulation cooling module is realized, the optimal heat dissipation efficiency of a cooling system and the deionization function of a cooling medium are achieved, the corrosion of the cooling medium is further slowed down, and the cost is reduced.
3. The deionization purification module is directly connected in parallel with the main circulation cooling module, is integrated with the main circulation cooling module for treatment, and can realize the operation of a deionization loop without an additional power source as an integrated design.
Drawings
FIG. 1 is a schematic diagram of the structure of the device of the present invention;
FIG. 2 is a schematic diagram of the structure of the deionization tank of the present invention;
fig. 3 is a schematic structural diagram of a monitoring module according to the present invention.
The figure indicates:
1-cooled unit, 11-generator, 12-gear box, 13-transformer, 14-frequency converter, 2-radiator, 3-pump station, 4-deionized tank, 41-exhaust valve, 42-water inlet device, 43-backwash space, 44-fat pressing layer, 45-resin layer, 46-drainer, 47-water inlet, 48-water outlet, 49-air discharge port, 501-first filter cap, 502-second filter cap, 5-conductivity meter, 6-electromagnetic valve, 7-precision filter, 8-flow transmitter, 9-monitoring module, 91-controller, 92-signal receiver.
Detailed Description
The invention will now be described in detail with reference to the drawings and specific examples. The present embodiment is implemented on the premise of the technical scheme of the present invention, and a detailed implementation manner and a specific operation process are given, but the protection scope of the present invention is not limited to the following examples.
Examples:
the embodiment provides an online monitoring corrosion prevention system for cooling medium of a wind turbine, as shown in fig. 1, the online monitoring corrosion prevention system comprises a monitoring module 9, a main circulation cooling module and a deionization purification module, wherein the deionization purification module is connected in parallel with the main circulation cooling module, the monitoring device is respectively connected with the deionization purification module and the main circulation cooling module and is connected with a wind turbine main control system, the main circulation cooling module comprises a cooled unit 1, a radiator 2, a conductivity meter 5 and a pump station 3 which are connected in series, the cooled unit 1 is a part of the wind turbine, and the deionization purification module comprises a deionization tank 4, a flow transmitter 8, an electromagnetic valve 6 and a precision filter 7 which are connected in series. As shown in fig. 3, the monitoring module 9 includes a controller 91 and a signal receiver 92 connected, the conductivity meter 5 and the flow transmitter 8 are respectively connected with the signal receiver 92, and the electromagnetic valve 6 is connected with the controller 91.
Specifically, the deionization purification module is directly connected in parallel with the main circulation cooling module, and can operate simultaneously with the main circulation cooling system, and the deionization loop operation can be realized without an additional power source as an integrated design.
The cooling medium is cooled by the radiator 2 after being boosted by the pump station 3, then enters the cooled unit 1 to carry out heat, returns to the pump station 3 and circulates reciprocally, the deionized purification modules connected in parallel with the main circulation cooling module can continuously purify ions separated out by the cooling medium, and the purified cooling medium and the cooling medium of the main circulation cooling module loop are converged at the inlet of the pump station 3. The corrosion of the cooling medium is inhibited, meanwhile, the conductivity meter 5 and the flow transmitter 8 send data to the signal receiver 92, so that whether the cooling medium is corroded or not is monitored in real time, the failure risk of the cooling medium is pre-judged, and periodic sampling and inspection identification is avoided.
According to the system, the anti-corrosion function of the channel in the water cooling system is realized through the anti-corrosion monitoring device for the cooling medium of the wind turbine generator, only the ion exchange resin component is replaced, the system medium is not required to be replaced, and the cost is reduced.
The cooled unit 1 comprises a generator 11, a gearbox 12, a transformer 13 and a frequency converter 14. The generator 11, the gear box 12, the transformer 13 and the frequency converter 14 can be connected in series-parallel connection arrangement and combination based on different pipelines. In this embodiment, the generator 11, the gear box 12, the transformer 13, and the inverter 14 are all connected in series.
As shown in fig. 2, the deionization tank 4 includes an exhaust valve 41, a water inlet 42, a backwash space 43, a grease layer 44, a resin layer 45, a drain 46, a water inlet 47, a water outlet 48, a drain 49, a first filter cap 501, and a second filter cap 502, which are sequentially provided.
Specifically, the water inlet 47 is disposed on the water inlet 42, and the water outlet 48 is disposed on the water outlet 46; the exhaust valve 41 is connected with the water inlet device 42; the air vent 49 is provided at the interface between the grease layer 44 and the resin layer 45; the first filter cap 501 is arranged on the water inlet 47, and the second filter cap 502 is arranged on the water outlet 48; the water outlet 48 is connected with a precision filter 7.
Specifically, the controller 91 is a PLC controller. In other embodiments, the controller may employ a well-established and widely available MCU control module in the prior art, or any other control module capable of implementing the control function and suitable for controlling the present invention in the prior art may be used for purchasing, which is not limited herein.
In a specific operation process, the deionization purification module is connected in parallel to a branch of the main circulation cooling module loop, and part of cooling liquid in the main circulation cooling module loop flows into the branch of the deionization purification module and enters the deionization tank 4. As shown in fig. 2, when the cooling medium enters the deionizing tank 4, the cooling medium first flows in from the water inlet 47 and flows through the filter cap 501, and the filter cap 501 filters the cooling medium to prevent broken resin particles from entering the deionizing tank 4, thereby causing resin pollution. The cooling medium filtered by the first filter cap 501 flows into the water inlet 42 and then flows into the backwashing space 43, and the cooling medium is backwashed to fully break up broken ion exchange resin agglomerates. The backwashed cooling medium flows into the grease pressing layer 44, and the grease pressing layer 44 presses the upper part of the resin layer 45 to filter suspended matters and impurities in the liquid, so that the inflow water uniformly acts on the surface of the resin layer through the grease pressing layer, and the influence of the disordered layer of the resin in the countercurrent regeneration on the resin exchange capacity is prevented. The non-exchange resin suspension present in the lipid layer 44 is discharged out of the system through a drain 49. The cooling medium enters the resin layer 45, and the ion exchange resin in the resin layer 45 adopts non-regenerated resin with large adsorption capacity, high temperature resistance and high flow rate, and the ion exchange resin fully exchanges anions and cations in the cooling medium, so as to remove ions in the cooling medium. The deionized and purified cooling medium enters the drainer 46, flows through the second filter cap 502 again, filters out broken resin particles, and flows out of the deionized tank 4 through the water outlet 48. The outlet of the deionizing tank 4 is provided with a precision filter 7 for intercepting resin particles possibly broken and flowing out, and a replaceable filter element mode is adopted. A flow transmitter 8 is arranged in the deionization loop for monitoring the flow rate of the deionization branch and a conductivity meter 5 is used for monitoring the quality of the cooling medium of the system. The monitoring module 9 is directly connected into a main control system of the wind turbine, the flow signals and the ion content signals monitored by the flow transmitter 8 and the conductivity meter 5 are fed back to the signal receiver 92, the bypass flow is automatically regulated by the electromagnetic valve 6 through the PLC 91, the flow distribution of the deionization bypass and the main circulation loop is realized, and the optimal heat dissipation efficiency of the cooling system and the optimal deionization function of the cooling liquid are achieved. When the conductivity meter 5 detects that the ion content in the cooling liquid is higher, an alarm signal is sent to prompt the replacement of the ion exchange resin, and the operation of the cooling system is not affected during the replacement. The whole deionization loop continuously removes ions in the cooling liquid, so that the aim of maintaining extremely low conductivity for a long time is fulfilled.
The previous description of the embodiments is provided to facilitate a person of ordinary skill in the art in order to make and use the present invention. It will be apparent to those skilled in the art that various modifications can be readily made to these embodiments and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above-described embodiments, and those skilled in the art, based on the present disclosure, should make improvements and modifications without departing from the scope of the present invention.

Claims (10)

1. The on-line monitoring and corrosion preventing system for the cooling medium of the wind turbine generator is characterized by comprising a monitoring module (9), a main circulation cooling module and a deionized purification module, wherein the deionized purification module is connected in parallel with the main circulation cooling module, the monitoring module is respectively connected with the deionized purification module and the main circulation cooling module,
the main circulation cooling module comprises a cooled unit (1), a radiator (2), a conductivity meter (5) and a pump station (3) which are connected in series,
the conductivity meter (5) is connected with the monitoring module,
the cooling medium flows through the radiator (2) after entering the pump station (3), enters the cooled unit (1) and returns to the pump station (3), part of the cooling medium enters the deionized purification module after passing through the pump station (3), and then is converged at the inlet of the pump station (3), so that the cooling medium corrosion prevention function is realized.
2. The on-line monitoring and corrosion preventing system for cooling media of a wind turbine generator according to claim 1, wherein the main circulation cooling module further comprises a flow transmitter (8), the deionized purification module further comprises a solenoid valve (6) for adjusting the flow of the branch, the monitoring module comprises a signal receiver (92) and a controller (91), the flow transmitter (8), the signal receiver (92), the controller (91) and the solenoid valve (6) are sequentially connected, and the signal receiver is further connected with the conductivity meter (5).
3. The online monitoring and corrosion preventing system for cooling medium of a wind turbine generator according to claim 1, wherein the deionization purification module comprises a deionization tank (4), and the deionization tank (4) comprises a water inlet device (42), a backwashing space (43), a grease pressing layer (44), a resin layer (45) and a water draining device (46) which are sequentially arranged.
4. A wind turbine cooling medium on-line monitoring and corrosion preventing system according to claim 3, wherein the deionizing tank (4) further comprises a water inlet (48) and a water outlet (47), the water inlet (48) is arranged on the water inlet device (42), and the water outlet (47) is arranged on the water outlet device (46).
5. A wind turbine cooling medium on-line monitoring and corrosion preventing system according to claim 3, wherein the deionizing tank (4) further comprises an exhaust valve (41) for adjusting the pressure in the deionizing tank (4), and the exhaust valve (41) is connected with a water inlet device (42).
6. A wind turbine cooling medium on-line monitoring and corrosion preventing system according to claim 3, wherein the deionizing tank (4) further comprises a vent (49) for discharging substances generated in the grease layer (44), and the vent (49) is arranged at the interface of the grease layer (44) and the resin layer (45).
7. A wind turbine generator system cooling medium on-line monitoring and corrosion preventing system according to claim 3, wherein the deionization tank (4) further comprises a first filter cap (501) and a second filter cap (502), the first filter cap (501) is arranged on the water inlet (48), and the second filter cap (502) is arranged on the water outlet (47).
8. The on-line monitoring and corrosion preventing system for cooling medium of wind turbine generator according to claim 4, wherein the water outlet (47) is connected with a precision filter (7).
9. The on-line monitoring and corrosion preventing system for cooling medium of wind turbine generator according to claim 2, wherein the controller (91) is a PLC controller.
10. The on-line monitoring and corrosion preventing system for cooling medium of a wind turbine generator according to claim 1, wherein the cooled unit (1) comprises a generator (11), a gear box (12), a transformer (13) and a frequency converter (14) which are connected in series.
CN202211511925.3A 2022-11-29 2022-11-29 Online monitoring and corrosion preventing system for cooling medium of wind turbine generator Pending CN116143232A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211511925.3A CN116143232A (en) 2022-11-29 2022-11-29 Online monitoring and corrosion preventing system for cooling medium of wind turbine generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211511925.3A CN116143232A (en) 2022-11-29 2022-11-29 Online monitoring and corrosion preventing system for cooling medium of wind turbine generator

Publications (1)

Publication Number Publication Date
CN116143232A true CN116143232A (en) 2023-05-23

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211511925.3A Pending CN116143232A (en) 2022-11-29 2022-11-29 Online monitoring and corrosion preventing system for cooling medium of wind turbine generator

Country Status (1)

Country Link
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