CN114336389A - Intelligent substation - Google Patents
Intelligent substation Download PDFInfo
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- CN114336389A CN114336389A CN202111372606.4A CN202111372606A CN114336389A CN 114336389 A CN114336389 A CN 114336389A CN 202111372606 A CN202111372606 A CN 202111372606A CN 114336389 A CN114336389 A CN 114336389A
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- fan
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- 238000009423 ventilation Methods 0.000 claims abstract description 32
- 230000017525 heat dissipation Effects 0.000 claims abstract description 24
- 238000012544 monitoring process Methods 0.000 claims abstract description 22
- 238000010248 power generation Methods 0.000 claims abstract description 19
- 238000010521 absorption reaction Methods 0.000 claims abstract description 18
- 238000004519 manufacturing process Methods 0.000 claims abstract description 12
- 238000001816 cooling Methods 0.000 claims abstract description 11
- 239000000428 dust Substances 0.000 claims description 52
- 238000001035 drying Methods 0.000 claims description 5
- 239000002689 soil Substances 0.000 claims description 4
- 238000012806 monitoring device Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 description 4
- 238000007791 dehumidification Methods 0.000 description 3
- 230000001154 acute effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 206010000369 Accident Diseases 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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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
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention provides an intelligent substation, which comprises a box body, wherein a controller, a production and storage integrated function device, a fan, a temperature control unit, a humidity control unit and a moisture absorption device are arranged in the box body; a ventilation window is arranged on the side part of the box body, and the fan is arranged in the ventilation window; the production and storage integrated functional device is used for supplying power to the power utilization part in a photovoltaic power generation mode; the temperature control unit is used for monitoring the temperature in the box body and transmitting the temperature to the controller, and the controller controls the fan and the geological heat dissipation device to perform ventilation cooling and heat dissipation cooling respectively according to the monitored temperature; and the humidity control unit is used for monitoring the humidity in the box body and transmitting the humidity to the controller, and the controller controls the moisture absorption device to dry according to the monitored humidity. The invention can realize automatic monitoring and adjustment of the temperature and humidity in the transformer substation.
Description
Technical Field
The invention relates to the technical field of transformer substations, in particular to an intelligent transformer substation.
Background
The transformer substation is a place for converting voltage and current, receiving electric energy and distributing electric energy in an electric power system. The electrical equipment in the substation is divided into primary equipment and secondary equipment. The primary equipment refers to equipment for directly producing, conveying, distributing and using electric energy, and mainly comprises a transformer, a high-voltage circuit breaker, a disconnecting switch, a bus, a lightning arrester, a capacitor, an electric reactor and the like. The secondary equipment of the transformer substation is equipment for measuring, monitoring, controlling and protecting the operation conditions of primary equipment and a system, and mainly comprises a relay protection device, an automatic device, a measurement and control device, a metering device, an automatic system and direct current equipment for providing power for the secondary equipment.
The electrical equipment during operation in the transformer substation can produce a large amount of heats, because the transformer substation generally adopts closed box structure, the heat can collect and lead to the temperature to rise in the box, and the normal work of transformer substation can be influenced to the high temperature. In order to accelerate heat dissipation, forced heat dissipation is usually performed by installing a fan, so that on one hand, the defect of high energy consumption exists, and on the other hand, because the fan is a vulnerable part, the condition that the fan is damaged and is not found in time exists, and hidden dangers exist in safe operation of a transformer substation.
In addition, when the environment is too humid, the problems also exist when dehumidification is carried out by only depending on a fan; as is known to all, the temperature and humidity have great influence on the safe operation of the primary and secondary equipment, and the primary and secondary equipment can accelerate the corrosion and insulation aging of the primary electrical equipment when operating in a high-temperature and high-humidity environment for a long time, the secondary equipment is grounded, the terminal block is corroded, the faulty contact can cause misoperation or failure, and even can cause insulation breakdown or fire accidents.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide an intelligent transformer substation, which can realize automatic monitoring and adjustment of temperature and humidity in the transformer substation.
In order to achieve the purpose, the invention is realized by the following technical scheme:
an intelligent substation comprises a box body, wherein a controller, a fan, a temperature control unit, a humidity control unit and a moisture absorption device are arranged in the box body, a production and storage integrated function device is arranged at the top of the box body, a geological heat dissipation device is arranged at the bottom of the box body, the controller is respectively connected with the production and storage integrated function device, the temperature control unit and the humidity control unit, the temperature control unit is respectively connected with the fan and the geological heat dissipation device, and the humidity control unit is connected with the moisture absorption device; a ventilation window is arranged on the side part of the box body, and the fan is arranged in the ventilation window; the production and storage integrated functional device is used for supplying power to the power utilization part in a photovoltaic power generation mode; the temperature control unit is used for monitoring the temperature in the box body and transmitting the temperature to the controller, and the controller controls the fan and the geological heat dissipation device to perform ventilation cooling and heat dissipation cooling respectively according to the monitored temperature; and the humidity control unit is used for monitoring the humidity in the box body and transmitting the humidity to the controller, and the controller controls the moisture absorption device to dry according to the monitored humidity. Through the structure, automatic temperature and humidity monitoring and adjustment inside the box body of the intelligent substation are achieved, photovoltaic power generation and power storage are carried out through the integrated functional device, and power is supplied to all temperature and humidity functional components.
Further, the production and storage integrated function device comprises: a photovoltaic power generation unit and a storage battery; the photovoltaic power generation unit is connected with the storage battery and is used for converting light energy into electric energy and storing the electric energy in the storage battery; the photovoltaic power generation unit and the storage battery are respectively connected with the controller and used for starting photovoltaic power generation according to the control signal of the controller and supplying power to the power utilization part through the storage battery.
Further, the temperature control unit includes: the temperature sensor is connected with the temperature coding module, the temperature coding module is connected with the controller through the temperature signal emitter, and the controller is connected with the fan through the temperature signal output module; the temperature sensor is used for monitoring the temperature of the box body, transmitting the monitored temperature to the temperature coding module and transmitting the controller through the temperature signal transmitter, and the controller compares the monitored temperature with a preset temperature threshold value; when the temperature of the transformer substation is determined to exceed the preset temperature threshold, the controller sends an instruction to control the fan to work through the temperature signal output module, and the temperature is reduced. Through the temperature control unit, temperature monitoring and data transmission are realized, so that the controller judges the temperature data, and the fan is automatically controlled according to the judgment result to perform air cooling heat dissipation.
Further, the geological heat sink comprises: the ground source heat pump air conditioner is arranged on the outer side of the box body, the buried pipe is buried in soil right below the box body, and the ground source heat pump air conditioner is communicated with the buried pipe; the ground source heat pump air conditioner is communicated with the box body through the fan coil.
Further, the controller is connected with the ground source heat pump air conditioner through the temperature signal output module, and when the controller determines that the temperature of the transformer substation is higher than the underground temperature, the controller sends an instruction to control the ground source heat pump air conditioner to work through the temperature signal output module so as to cool the geology. The geological heat dissipation device is utilized to accelerate the air circulation in the box body so as to achieve the purpose of heat dissipation.
Further, the humidity control unit includes: the humidity monitoring device comprises a humidity sensor, a humidity encoding module, a humidity signal emitter and a humidity signal output module; the humidity sensor is connected with the humidity coding module, the humidity coding module is connected with the controller through a humidity signal emitter, and the controller is connected with the moisture absorption device through a humidity signal output module; the humidity sensor is used for monitoring the humidity of the box body, transmitting the monitored humidity to the humidity encoding module and transmitting the monitored humidity to the controller through the humidity signal transmitter, and the controller compares the monitored humidity with a preset humidity threshold value; when the humidity of the transformer substation is determined to exceed the preset humidity threshold value, the controller sends an instruction to control the moisture absorption device to work through the humidity signal output module, and drying is carried out. Through the humidity control unit, the transmission of humidity monitoring and data has been realized to make the controller judge humidity data, according to the automatic control moisture absorption device of judged result, realized automatic dehumidification drying.
Further, a dust collecting device is arranged on the ventilation window and comprises a dust guard, a dust collecting plate and a dust collecting groove; the dust guard and the board that gathers dust set up in the box, the one end of dust guard and the top fixed connection of ventilation window, and dust collecting tank fixed mounting is in the ventilation window bottom, and the board that gathers dust is established under the dust guard, and the one end and the dust collecting tank fixed connection of the board that gathers dust. Wherein, the dust guard can personally submit the acute angle setting with the ventilation window, can effectually block the dust and get into the ventilation window after the fan is opened, and the fan is closed the back, and the dust that accumulates on the dust guard windward side falls into on the board that gathers dust automatically and slides in the dust collecting tank, has guaranteed the inside cleanness of transformer substation.
Furthermore, the ventilation window outside is equipped with rain-proof net, can prevent promptly that the rainwater from getting into in the box, also effectually avoids the fan to have a circuit fault because of the rainwater, has prolonged the life of fan.
Compared with the prior art, the invention has the beneficial effects that: the invention provides an intelligent transformer substation, which mainly adopts solar energy and a ground source heat pump, utilizes natural energy and is matched with a controller to realize temperature and humidity regulation in the transformer substation, and effectively saves energy while realizing intelligent control. The solar photovoltaic power generation and storage integrated device is provided with a production and storage integrated functional device, can perform photovoltaic power generation and power storage, supplies power to all temperature and humidity functional components, and is energy-saving and environment-friendly; the geological heat dissipation device is arranged, and can accelerate the air flow circulation in the box body by directly utilizing the temperature of soil so as to achieve the purpose of heat dissipation. According to the invention, the temperature control unit, the humidity control unit, the fan and the geological heat dissipation device are controlled by the controller in a centralized manner, so that the automatic acquisition of temperature and humidity data and the automatic judgment of the data are realized, and the temperature and humidity are regulated in various manners according to the judgment result.
The side part of the box body is provided with the ventilation window, and the fan is used for air cooling and heat dissipation, so that the heat dissipation speed is effectively improved. Be provided with dust arrester installation and rain-proof net on the ventilation window, when guaranteeing the radiating effect, improved the waterproof dustproof effect of ventilation window, guaranteed the inside cleanness of transformer substation.
Therefore, compared with the prior art, the invention has prominent substantive features and remarkable progress, and the beneficial effects of the implementation are also obvious.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is an electrical block diagram of an embodiment of the present invention.
In the figure, 1 is a box body; 2 is a production and storage integrated functional device; 3 is a fan; 4, a ground source heat pump air conditioner; 5 is a buried pipe; 6 is a ventilation window; 7 is a dust guard; 8 is a dust collecting plate; 9 is a dust collecting groove; and 10 is a rain-proof net.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings.
As shown in fig. 1, intelligent substation includes, box 1 is equipped with controller, fan 3, temperature control unit, humidity control unit and moisture absorption device in the box 1, and 1 top of box is equipped with to produce and stores up integrative functional device 2, and 1 bottom of box is equipped with geology heat abstractor, and geology heat abstractor includes: the ground source heat pump air conditioner 4 is arranged on the outer side of the box body 1, the buried pipe 5 is buried in soil right below the box body 1, and the ground source heat pump air conditioner 4 is communicated with the buried pipe 5; the ground source heat pump air conditioner 4 is communicated with the box body 1 through a fan coil.
The lateral part of the box body 1 is provided with a ventilation window 6, and the fan 3 is arranged in the ventilation window 6. A dust collecting device is arranged on the ventilation window 6 and comprises a dust guard plate 7, a dust collecting plate 8 and a dust collecting groove 9; dust guard 7 and the board 8 that gathers dust set up in box 1, the one end of dust guard 7 and the top fixed connection of ventilation window 6, and dust collecting tank 9 fixed mounting is in ventilation window 6 bottom, and the board 8 that gathers dust is established under dust guard 7, and the one end of the board 8 that gathers dust and dust collecting tank 9 fixed connection. Wherein, dust guard 7 can be personally submitted the acute angle setting with the ventilation window, can effectually block the dust and get into ventilation window 6 after fan 3 opens, and fan 3 closes the back, and the dust that accumulates on the windward side of dust guard 7 automatically falls into on board 8 and the dust collecting tank 9 that slides in, has guaranteed the inside cleanness of transformer substation. 6 outsides of ventilation window are equipped with rain-proof net 10, can prevent promptly that the rainwater from getting into box 1 in, also effectual fan of avoiding has prolonged fan 3's life because of rainwater circuit failure.
As shown in fig. 2, the controller is connected with the production and storage integrated function device, the temperature control unit and the humidity control unit respectively, the temperature control unit is connected with the fan and the geological heat dissipation device respectively, and the humidity control unit is connected with the moisture absorption device.
The production and storage integrated functional device is used for supplying power to the power utilization part in a photovoltaic power generation mode. Produce and store up integrative functional device and include: a photovoltaic power generation unit and a storage battery; the photovoltaic power generation unit is connected with the storage battery and is used for converting light energy into electric energy and storing the electric energy in the storage battery; the photovoltaic power generation unit and the storage battery are respectively connected with the controller and used for starting photovoltaic power generation according to the control signal of the controller and supplying power to the power utilization part through the storage battery.
And the temperature control unit is used for monitoring the temperature in the box body and transmitting the temperature to the controller, and the controller controls the fan and the geological heat dissipation device to perform ventilation cooling and heat dissipation cooling respectively according to the monitored temperature. The temperature control unit includes: the temperature sensor is connected with the temperature coding module, the temperature coding module is connected with the controller through the temperature signal emitter, and the controller is connected with the fan through the temperature signal output module. The temperature sensor is used for monitoring the temperature of the box body, transmitting the monitored temperature to the temperature coding module and transmitting the controller through the temperature signal transmitter, and the controller compares the monitored temperature with a preset temperature threshold value; when the temperature of the transformer substation is determined to exceed the preset temperature threshold, the controller sends an instruction to control the fan to work through the temperature signal output module, and the temperature is reduced. Through the temperature control unit, temperature monitoring and data transmission are realized, so that the controller judges the temperature data, and the fan is automatically controlled according to the judgment result to perform air cooling heat dissipation. In addition, the controller is connected with the ground source heat pump air conditioner through the temperature signal output module, and when the controller determines that the temperature of the transformer substation is higher than the underground temperature, the controller sends an instruction to control the ground source heat pump air conditioner to work through the temperature signal output module so as to cool the geology. The geological heat dissipation device is utilized to accelerate the air circulation in the box body so as to achieve the purpose of heat dissipation.
And the humidity control unit is used for monitoring the humidity in the box body and transmitting the humidity to the controller, and the controller controls the moisture absorption device to dry according to the monitored humidity. The humidity control unit includes: the humidity monitoring device comprises a humidity sensor, a humidity encoding module, a humidity signal emitter and a humidity signal output module; the humidity sensor is connected with the humidity coding module, the humidity coding module is connected with the controller through a humidity signal emitter, and the controller is connected with the moisture absorption device through a humidity signal output module; the humidity sensor is used for monitoring the humidity of the box body, transmitting the monitored humidity to the humidity encoding module and transmitting the monitored humidity to the controller through the humidity signal transmitter, and the controller compares the monitored humidity with a preset humidity threshold value; when the humidity of the transformer substation is determined to exceed the preset humidity threshold value, the controller sends an instruction to control the moisture absorption device to work through the humidity signal output module, and drying is carried out. Through the humidity control unit, the transmission of humidity monitoring and data has been realized to make the controller judge humidity data, according to the automatic control moisture absorption device of judged result, realized automatic dehumidification drying.
In addition, the electrical components adopted by the invention can adopt electrical components commonly used in the field.
The invention is further described with reference to the accompanying drawings and specific embodiments. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope of the present application.
Claims (8)
1. An intelligent transformer substation is characterized by comprising a box body, wherein a controller, a fan, a temperature control unit, a humidity control unit and a moisture absorption device are arranged in the box body; a ventilation window is arranged on the side part of the box body, and the fan is arranged in the ventilation window;
the production and storage integrated functional device is used for supplying power to the power utilization part in a photovoltaic power generation mode;
the temperature control unit is used for monitoring the temperature in the box body and transmitting the temperature to the controller, and the controller controls the fan and the geological heat dissipation device to perform ventilation cooling and heat dissipation cooling respectively according to the monitored temperature;
and the humidity control unit is used for monitoring the humidity in the box body and transmitting the humidity to the controller, and the controller controls the moisture absorption device to dry according to the monitored humidity.
2. The intelligent substation of claim 1, wherein the production and storage integrated function device comprises: a photovoltaic power generation unit and a storage battery;
the photovoltaic power generation unit is connected with the storage battery and is used for converting light energy into electric energy and storing the electric energy in the storage battery; the photovoltaic power generation unit and the storage battery are respectively connected with the controller and used for starting photovoltaic power generation according to the control signal of the controller and supplying power to the power utilization part through the storage battery.
3. The intelligent substation of claim 1, wherein the temperature control unit comprises: the temperature sensor is connected with the temperature coding module, the temperature coding module is connected with the controller through the temperature signal emitter, and the controller is connected with the fan through the temperature signal output module;
the temperature sensor is used for monitoring the temperature of the box body, transmitting the monitored temperature to the temperature coding module and transmitting the controller through the temperature signal transmitter, and the controller compares the monitored temperature with a preset temperature threshold value;
when the temperature of the transformer substation is determined to exceed the preset temperature threshold, the controller sends an instruction to control the fan to work through the temperature signal output module, and the temperature is reduced.
4. The intelligent substation of claim 3, wherein the geological heat sink comprises: the ground source heat pump air conditioner is arranged on the outer side of the box body, the buried pipe is buried in soil right below the box body, and the ground source heat pump air conditioner is communicated with the buried pipe; the ground source heat pump air conditioner is communicated with the box body through the fan coil.
5. The intelligent substation of claim 4, wherein the controller is connected with the ground source heat pump air conditioner through the temperature signal output module, and when the controller determines that the temperature of the substation is higher than the underground temperature, the controller sends an instruction to control the ground source heat pump air conditioner to work through the temperature signal output module so as to cool the geological temperature.
6. The intelligent substation of claim 1, wherein the humidity control unit comprises: the humidity monitoring device comprises a humidity sensor, a humidity encoding module, a humidity signal emitter and a humidity signal output module; the humidity sensor is connected with the humidity coding module, the humidity coding module is connected with the controller through a humidity signal emitter, and the controller is connected with the moisture absorption device through a humidity signal output module;
the humidity sensor is used for monitoring the humidity of the box body, transmitting the monitored humidity to the humidity encoding module and transmitting the monitored humidity to the controller through the humidity signal transmitter, and the controller compares the monitored humidity with a preset humidity threshold value;
when the humidity of the transformer substation is determined to exceed the preset humidity threshold value, the controller sends an instruction to control the moisture absorption device to work through the humidity signal output module, and drying is carried out.
7. The intelligent substation of claim 1, wherein the ventilation window is provided with a dust collecting device, and the dust collecting device comprises a dust guard, a dust collecting plate and a dust collecting groove; the dust guard and the board that gathers dust set up in the box, the one end of dust guard and the top fixed connection of ventilation window, and dust collecting tank fixed mounting is in the ventilation window bottom, and the board that gathers dust is established under the dust guard, and the one end and the dust collecting tank fixed connection of the board that gathers dust.
8. The intelligent substation of claim 1, wherein a rain-proof net is arranged outside the ventilation window.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111372606.4A CN114336389A (en) | 2021-11-18 | 2021-11-18 | Intelligent substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111372606.4A CN114336389A (en) | 2021-11-18 | 2021-11-18 | Intelligent substation |
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| Publication Number | Publication Date |
|---|---|
| CN114336389A true CN114336389A (en) | 2022-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111372606.4A Pending CN114336389A (en) | 2021-11-18 | 2021-11-18 | Intelligent substation |
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| CN (1) | CN114336389A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116026408A (en) * | 2022-12-26 | 2023-04-28 | 国网安徽省电力有限公司经济技术研究院 | Photovoltaic substation system capable of reducing carbon emission based on heat pump technology |
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| CN103148550A (en) * | 2013-03-08 | 2013-06-12 | 天津美意空调设备销售有限公司 | Ground source heat pump unit for operation in summer |
| CN103579932A (en) * | 2013-11-12 | 2014-02-12 | 长城电器集团乐山宁格朗电气有限责任公司 | Small-scale intelligent energy-saving box-type substation |
| CN204902134U (en) * | 2015-08-25 | 2015-12-23 | 凭祥供电公司 | Novel computer lab humiture on -line monitoring of transformer substation device |
| CN107990463A (en) * | 2017-12-29 | 2018-05-04 | 武汉科技大学 | A kind of multi-type air conditioning system of cooling tower and underground pipe Hybrid connections |
| CN112134153A (en) * | 2020-09-25 | 2020-12-25 | 北京博瑞翔伦科技发展有限公司 | System capable of mastering temperature and humidity in real time for power tunnel power distribution device |
| CN214625757U (en) * | 2021-04-06 | 2021-11-05 | 福建福海创石油化工有限公司 | Distribution room equipment arrangement system |
-
2021
- 2021-11-18 CN CN202111372606.4A patent/CN114336389A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103148550A (en) * | 2013-03-08 | 2013-06-12 | 天津美意空调设备销售有限公司 | Ground source heat pump unit for operation in summer |
| CN103579932A (en) * | 2013-11-12 | 2014-02-12 | 长城电器集团乐山宁格朗电气有限责任公司 | Small-scale intelligent energy-saving box-type substation |
| CN204902134U (en) * | 2015-08-25 | 2015-12-23 | 凭祥供电公司 | Novel computer lab humiture on -line monitoring of transformer substation device |
| CN107990463A (en) * | 2017-12-29 | 2018-05-04 | 武汉科技大学 | A kind of multi-type air conditioning system of cooling tower and underground pipe Hybrid connections |
| CN112134153A (en) * | 2020-09-25 | 2020-12-25 | 北京博瑞翔伦科技发展有限公司 | System capable of mastering temperature and humidity in real time for power tunnel power distribution device |
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| CN116026408A (en) * | 2022-12-26 | 2023-04-28 | 国网安徽省电力有限公司经济技术研究院 | Photovoltaic substation system capable of reducing carbon emission based on heat pump technology |
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Application publication date: 20220412 |