CN208433740U - A kind of lightning protection system of marine tidal-current energy unit and marine tidal-current energy unit including it - Google Patents
A kind of lightning protection system of marine tidal-current energy unit and marine tidal-current energy unit including it Download PDFInfo
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- CN208433740U CN208433740U CN201821086169.3U CN201821086169U CN208433740U CN 208433740 U CN208433740 U CN 208433740U CN 201821086169 U CN201821086169 U CN 201821086169U CN 208433740 U CN208433740 U CN 208433740U
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- lightning protection
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- energy unit
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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
- Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient
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Abstract
The utility model discloses a kind of lightning protection system of marine tidal-current energy unit and including its marine tidal-current energy unit, belong to the apparatus for preventing thunderbolt field of marine tidal-current energy unit.Three lightning protection subsystems of connection are connected including metal grounding network and with it, the platform lightning protection subsystem includes that the platform being installed on the pier part connects sudden strain of a muscle device, platform SPD arrester and platform electrical grounding conductor；The grid-connected lightning protection subsystem includes that the bank base being installed on distributed grid-connected device part connects sudden strain of a muscle device, grid-connected SPD arrester and grid-connected electrical grounding conductor；The underwater lightning protection subsystem includes the underwater SPD arrester and underwater electrical grounding conductor being installed on the marine tidal-current energy unit underwater portion.The utility model forms complete marine tidal-current energy generator group lightning-protection system including SPD arrester, equipotential link and metal grounding network by the configuration of apparatus for preventing thunderbolt, guarantees generating set safely and steadily running in anomalous weather.
Description
Technical field
The utility model relates to the lightning protection fields of marine tidal-current energy unit, more particularly to a kind of thunder and lightning of marine tidal-current energy unit
Guard system and marine tidal-current energy unit including it, the reality of lightning-protection system especially under two kinds of mounting means of floating platform type and stake formula
It is existing.
Background technique
China sea area is vast, and huge energy is contained in ocean, and marine tidal-current energy power generation is a kind of novel hydroelectric generation shape
Formula pushes blade to rotate and then is translated into electric energy using the flowing of tide seawater, although marine tidal-current energy power generation is to future electrical energy
It is supplied with very big potentiality.
Currently, the design of marine tidal-current energy generator group all only considers the implementation and control strategy of unit substantially, substantially all
The performance and function for only focusing on unit are realized, seldom consider operating condition of the marine tidal-current energy unit under thunder and lightning environment.And with tide
Single-machine capacity increase, the diffusion of distributed areas of stream energy unit, unit, platform and distributed grid-connected device in seawater
Lightning protection it is also more and more important and urgent.
The lightning protection of marine tidal-current energy generator group at present or a new project, currently without mature technical solution.
Utility model content
The purpose of the utility model is to provide the trends that a kind of pair of marine tidal-current energy unit and its relevant device carry out lightning protection
Can unit lightning protection system and marine tidal-current energy unit including it.
To achieve the above objectives, the present invention adopts the following technical solutions:
On the one hand, the utility model provides a kind of lightning protection system of marine tidal-current energy unit, and the marine tidal-current energy unit includes
Marine tidal-current energy unit underwater portion, pier part and the part of distributed grid-connected device part three, including metal grounding network and
Three lightning protection subsystems of connection are connected with it, three lightning protection subsystems are underwater to be separately positioned on the marine tidal-current energy unit
Partially, the underwater lightning protection subsystem on pier part and distributed grid-connected device part, platform lightning protection subsystem and grid-connected
Lightning protection subsystem；
The platform lightning protection subsystem includes that the platform being installed on the pier part connects sudden strain of a muscle device, platform SPD
Arrester and platform electrical grounding conductor, the platform SPD arrester for installation into pier part signal system,
On power supply and electric component, the platform electrical grounding conductor is used to be separately positioned on all portions of the pier part
On part and by equipotential link, the platform connect dodge device for be mounted on platform and with other component equipotential links；
The grid-connected lightning protection subsystem includes that the bank base being installed on distributed grid-connected device part connects and dodges device, simultaneously
SPD arrester and grid-connected electrical grounding conductor are netted, the grid-connected SPD arrester is for installation into the distributed grid-connected device
On partial signal system, power supply and electric component, the grid-connected electrical grounding conductor is for being separately positioned on the distribution
On all components of formula grid-connecting apparatus part and by equipotential link, the bank base, which connects, dodges device for being mounted on distribution simultaneously
On net device and with the metal grounding network equipotential link；
The underwater lightning protection subsystem include the underwater SPD arrester that is installed on the marine tidal-current energy unit underwater portion and
Underwater electrical grounding conductor, signal system of the underwater SPD arrester for installation into marine tidal-current energy unit underwater portion, electricity
On source and electric component, the underwater electrical grounding conductor is used to be separately positioned on the institute of the marine tidal-current energy unit underwater portion
Have on component and passes through equipotential link.
Further, the connection type of three lightning protection subsystems and metal grounding network is cable connection, and three anti-
Pass through cable equipotential link between thunder subsystem.
It further, further include overhead line protection and the flush system cable protective of power supply for each section.
Further, the power supply of each section is using double I grades of lightning protections and electrical grounding protection.
Further, in grid-connected lightning protection subsystem, transformer and cutting-in control cabinet select I grades of lightning protections, Electric Appliance Cabinet choosing
With II grades of lightning protections, network cabinet uses III level lightning protection.
Further, the platform SPD arrester of the platform lightning protection subsystem includes being mounted on control cabinet and current transformer
Control cabinet SPD, current transformer SPD and signal SPD.
Further, the grid-connected SPD arrester of the grid-connected lightning protection subsystem includes being mounted on cutting-in control cabinet and transformation
Cutting-in control cabinet SPD, transformer SPD on device.
Further, the underwater SPD arrester of the underwater lightning protection subsystem includes being mounted on pitch-controlled system and deck store cabinet
On pitch-controlled system SPD, deck store cabinet SPD；
Pitch-controlled system SPD includes pitch-controlled system power supply SPD and pitch-controlled system signal SPD；Deck store cabinet SPD includes deck store cabinet electricity
Source SPD and deck store cabinet signal SPD.
On the other hand, a kind of marine tidal-current energy unit is provided, the lightning protection system including the marine tidal-current energy unit.
Further, the lightning protection system of the marine tidal-current energy unit is the lightning protection region division result in marine tidal-current energy unit
On the basis of the setting that carries out, the lightning protection region division is the result is that carried out marine tidal-current energy unit using rolling ball method different grades of
The result of lightning protection region division.
Due to the adoption of the above technical scheme, the utility model at least has the following advantages:
(1) the utility model proposes a kind of lightning protection system, including underwater lightning protection subsystem, platform lightning protection subsystem and
Grid-connected lightning protection subsystem three subsystems, SPD arrester in three subsystems connect and dodge device, equipotential link and metal and connect
Earth mat forms complete marine tidal-current energy generator group lightning-protection system.The utility model is believed by the control to marine tidal-current energy generator group
Number, power supply, electric component, control system, drive system and grid-connected system carry out targetedly different grades of thunder and lightning
Protection, to guarantee generating set safely and steadily running in anomalous weather.
(2) the marine tidal-current energy unit lightning protection of the utility model is primarily directed to the power supply and signal for influencing unit operation
Lightning protection, platform lightning protection is then primarily directed to the protection of equipment and related personnel on platform, distributed grid-connected device
Protection then includes the lightning protection of grid-connecting apparatus protection and mating building.
Detailed description of the invention
Above-mentioned is only the general introduction of technical solutions of the utility model, in order to better understand the technology hand of the utility model
Section, below in conjunction with attached drawing, the utility model is described in further detail with specific embodiment.
Fig. 1 is the lightning protection system structural schematic diagram of the marine tidal-current energy unit of the floating platform type of the utility model；
Fig. 2 is the lightning protection system structural schematic diagram of the marine tidal-current energy unit of the stake formula of the utility model；
Fig. 3 is that the marine tidal-current energy generator group lightning protection of the utility model realizes schematic diagram；
Fig. 4 is that the lightning protection of the distributed grid-connected device lightning protection subsystem of the marine tidal-current energy generator group of the utility model shows
It is intended to；
Fig. 5 is the thunder of pier (floatation type or stake formula) lightning protection subsystem of the marine tidal-current energy generator group of the utility model
Electricity protection schematic diagram；
Fig. 6 is the lightning protection schematic diagram of the underwater lightning protection subsystem of the marine tidal-current energy generator group of the utility model.
Specific embodiment
The utility model provides a kind of embodiment of the lightning protection system of marine tidal-current energy unit, as shown in Figures 1 to 6, tide
Stream can unit include marine tidal-current energy unit underwater portion, pier part and the part of distributed grid-connected device part three, including
Metal grounding network and three lightning protection subsystems that connection is connected with it, three lightning protection subsystems are to be separately positioned on marine tidal-current energy unit
Underwater lightning protection subsystem, platform lightning protection subsystem on underwater portion, pier part and distributed grid-connected device part and
Grid-connected lightning protection subsystem；Platform lightning protection subsystem includes that the platform being installed on pier part connects sudden strain of a muscle device, platform SPD is kept away
Thunder device and platform electrical grounding conductor, platform SPD arrester for installation into the signal system of pier part, power supply and
On electric component, platform electrical grounding conductor is for being separately positioned on all components of pier part and passing through equal electricity
Position connection, platform, which connects, dodges device for being mounted on platform and passing through cable connection with other components；Grid-connected lightning protection subsystem packet
It includes the bank base being installed on distributed grid-connected device part and connects and dodge device, grid-connected SPD arrester and grid-connected electrical grounding conductor,
Grid-connected SPD arrester is for installation on the signal system of distributed grid-connected device part, power supply and electric component, grid-connected equal electricity
For being separately positioned on all components of distributed grid-connected device part and by equipotential link, bank base connects position earth conductor
Dodge device for be mounted on distributed grid-connected device and with metal grounding network equipotential link；Underwater lightning protection subsystem includes peace
The underwater SPD arrester and underwater electrical grounding conductor being attached on marine tidal-current energy unit underwater portion, underwater SPD arrester are used for
It is installed on signal system, power supply and the electric component of marine tidal-current energy unit underwater portion, underwater electrical grounding conductor is for dividing
It is not arranged on all components of marine tidal-current energy unit underwater portion and passes through equipotential link.
When the utility model is used, by SPD arrester (including platform SPD arrester, underwater SPD arrester and grid-connected
SPD arrester) it is respectively installed on signal system, power supply and electric component, by the SPD arrester for installing different voltages grade
Come realize Lightning Electromagnetic Pulse protect, different electric components according to its voltage rating select different voltages grade SPD.Due to
Pier is exposed across the sea, so platform lightning protection subsystem mainly includes two kinds: direct lightning strike and Lightning Electromagnetic Pulse protection；
It dodges device and/or lightning arrester by being connect according to rolling ball method in the setting of the commanding elevation of the different zones of platform and is protected, simultaneously
It will connect and dodge device or lightning arrester by earth conductor, to realize releasing for lightning current, the electric component on platform needs to carry out
Lightning Electromagnetic Pulse protection, and realized by the SPD arrester of installation different voltages grade, underwater lightning protection subsystem is main
It is to protect Lightning Electromagnetic Pulse from unit power supply and conduct lightning current from unit surrounding seawater, by electrical
Component installs the SPD arrester of different voltages grade to realize Lightning Electromagnetic Pulse protection, the conduction lightning current master from seawater
It to be connected and be released by electrical grounding.All components all carry out the lightning protection of equipotential even by electrical grounding.
Lightning current bleed off is completed by the connection with metal grounding network, plays the role of lightning protection.
Further, the connection type of three lightning protection subsystems and metal grounding network is cable connection, and three lightning protection
Pass through cable equipotential link between system.It is connect by cable with metal grounding network, lightning current bleed off is completed, thus to component
Or platform etc. is protected.
Further, equipotential link is realized by yellow/green cable, copper braid over braid or cable.Conduction lightning current from seawater
Mainly released by equipotential link.Marine tidal-current energy unit is all itself is a the metal parts to link together
Component passes through yellow/green cable, copper braid over braid or cable and realizes equipotential link, is mostly brought between component with yellow/green cable or copper braiding
Row equipotential link, relative distance is farther away mostly to realize equipotential link with cable, for example, can pass through a 120mm2Cable
Equipotential link is realized with platform.
In order to carry out more comprehensive Lightning Electromagnetic Pulse protection, platform SPD arrester, platform SPD arrester and underwater SPD
Arrester includes signal SPD, power supply SPD and electric component SPD.Control signal, power supply and electric component pass through not
Realize that thunder and lightning is released with the SOD arrester of voltage class.
It further include overhead line protection and the flush system of the power supply for each section to carry out double protection to power supply
Cable protective.
Preferably, the power supply of each section uses the safeguard procedures of double I grades of lightning protections and electrical grounding.
Further, in grid-connected lightning protection subsystem, transformer and cutting-in control cabinet select I grades of lightning protections, Electric Appliance Cabinet choosing
With II grades of lightning protections, network cabinet uses III level lightning protection.
The distributing installation of SPD arrester about each electric component of marine tidal-current energy unit is as shown in Figures 4 to 6, specifically,
In above-described embodiment, the platform SPD arrester of platform lightning protection subsystem includes being mounted on control cabinet and current transformer
Control cabinet SPD, current transformer SPD；Control cabinet SPD includes control cabinet power supply SPD and control cabinet signal SPD.
In above-described embodiment, the grid-connected SPD arrester of grid-connected lightning protection subsystem includes being mounted on cutting-in control cabinet and transformation
Cutting-in control cabinet SPD, transformer SPD and signal SPD on device；
The control cabinet SPD includes control cabinet power supply SPD and control cabinet signal SPD.
In above-described embodiment, the underwater SPD arrester of underwater lightning protection subsystem includes being mounted on pitch-controlled system and deck store cabinet
On pitch-controlled system SPD, deck store cabinet SPD；Pitch-controlled system SPD includes pitch-controlled system power supply SPD and pitch-controlled system signal SPD；Tail
Container SPD includes deck store cabinet power supply SPD and deck store cabinet signal SPD.
It further include the controller accordingly controlled for apparatus for preventing thunderbolt to keep lightning-protection system more intelligent.Control
Device processed can accordingly control apparatus for preventing thunderbolt.
In order to form more complete lightning-protection system, need to divide marine tidal-current energy unit lightning protection region: with seawater table
Using rolling ball method respectively by marine tidal-current energy generator group and distribution on the basis of the building lot horizontal plane in face and distributed grid-connected region
Formula and web area progress lightning protection region division.Lightning protection region carries out region division according to rolling ball method, is divided into three regions: I altogether
Grade lightning protection region LPZ0A, II grades of lightning protection region LPZ0B, III level lightning protection region LPZ1.As shown in Figure 1 and Figure 2, it is sent out for marine tidal-current energy
Motor group (floatation type or stake formula) and distributed grid-connected module lightning protection region division schematic diagram, for example, the underwater portion of marine tidal-current energy unit
The generating set 1 divided is III level lightning protection region LPZ1, and equipment compartment 2 is III level lightning protection region LPZ1, and pier 4 is III level
Lightning protection region LPZ1, distributed grid-connected device 3 are III level lightning protection region LPZ1.Marine tidal-current energy machine is carried out according to lightning protection region division
The lightning-protection system design of group, a whole set of lightning protection system may include four parts: underwater lightning protection subsystem, platform (floating or
Stake formula structure) lightning protection subsystem, distributed grid-connected device lightning protection subsystem and equipotential link.Lightning protection subsystem is mainly under water
For the lightning protection for the power supply and signal for influencing unit operation, platform lightning protection subsystem is then primarily directed to the equipment on platform
With the protection of related personnel, distributed grid-connected device lightning protection subsystem then includes that grid-connecting apparatus protection and the thunder and lightning of mating building are anti-
Shield.
Wherein, the one embodiment arranged according to the lightning protection of lightning protection region division is as follows:
1) distributed grid-connected device lightning protection subsystem is as shown in figure 4, the contents of the section includes following sections: connecing sudden strain of a muscle dress
It sets, lightning current leakage path, component lightning protection, power supply and equipotential link.
Power supply includes overhead line protection and flush system cable protective again.Power supply using double I grade lightning protections with
The safeguard procedures of electrical grounding.
Transformer and cutting-in control cabinet select I grades of lightning protections, and Electric Appliance Cabinet selects II grades of lightning protections, and network cabinet then uses
III level lightning protection.
2) pier (floatation type or stake formula) lightning protection subsystem is as shown in figure 5, the part mainly includes following sections:
Pier, which connects, dodges device, pier ontology equipotential link, pier electrical control cabinet lightning protection and equipotential company
It connects, pier electrical equipment lightning protection and equipotential link, current transformer lightning protection and equipotential link.
Since pier is exposed across the sea, so the lightning protection of pier mainly includes two kinds: direct lightning strike and
Lightning Electromagnetic Pulse protection:
The protection of direct lightning strike is mainly by connecing sudden strain of a muscle in the setting of the commanding elevation of the different zones of platform according to rolling ball method and taking shelter from the thunder
Device is protected, while will connect sudden strain of a muscle or lightning arrester by earth conductor, to realize releasing for lightning current.
Lightning Electromagnetic Pulse, which protects, mainly to be realized by installing the SPD of different voltages grade, different electric component roots
According to the SPD of the different selection different voltages grades of voltage rating.
3) underwater lightning protection subsystem is as shown in figure 5, the lightning protection of the part mainly includes three parts: power supply thunder and lightning is anti-
Shield, signal lightning protection and electrical grounding.
Marine tidal-current energy unit underwater portion lightning protection will mainly protect the Lightning Electromagnetic Pulse from unit power supply
Lightning current is conducted with from unit surrounding seawater:
Lightning Electromagnetic Pulse protection from unit power supply is mainly realized by the SPD of different voltages grade
, all electrical big components are equipped with the SPD of different voltages grade.
Conduction lightning current from seawater mainly passes through equipotential link and releases.Marine tidal-current energy unit itself is a
The metal parts to link together mostly carries out equipotential link with yellow/green cable or copper braid over braid between component, and relative distance is farther out
Mostly with cable realize equipotential link, for example, a 120mm can be passed through2Cable and platform realize equipotential link.
4) electrical grounding connects conductor or power supply protector to reduce the electricity that lightning current generates between them
Potential difference.
On the other hand, a kind of marine tidal-current energy unit is provided, the lightning protection system including above-mentioned marine tidal-current energy unit.
Further, the lightning protection system of marine tidal-current energy unit is the base in the lightning protection region division result of marine tidal-current energy unit
The setting carried out on plinth, lightning protection region division is the result is that carry out different grades of lightning protection region for marine tidal-current energy unit using rolling ball method
The result of division.Being equipped with situation can refer to above-described embodiment.
The utility model proposes a kind of lightning protection system, including underwater lightning protection subsystem, platform lightning protection subsystem and simultaneously
Net lightning protection subsystem three subsystems, by the configuration of apparatus for preventing thunderbolt, i.e., SPD arrester in three subsystems connects sudden strain of a muscle
Device, equipotential link and metal grounding network form complete marine tidal-current energy generator group lightning-protection system.The utility model passes through
The control signal of marine tidal-current energy generator group, power supply, electric component, control system, drive system and grid-connected system are carried out
Targeted different grades of lightning protection, to guarantee the fortune of safety and stability of the generating set in anomalous weather
Row.The marine tidal-current energy unit lightning protection of the utility model is anti-primarily directed to the thunder and lightning of the power supply and signal that influence unit operation
Shield, then primarily directed to the protection of equipment and related personnel on platform, distributed grid-connected device protects then platform lightning protection
Lightning protection including grid-connecting apparatus protection and mating building.
The above descriptions are merely preferred embodiments of the present invention, not makees in any form to the utility model
Limitation, those skilled in the art make a little simple modification, equivalent variations or modification using the technology contents of the disclosure above,
It falls within the protection scope of the present utility model.
Claims (10)
1. a kind of lightning protection system of marine tidal-current energy unit, the marine tidal-current energy unit includes marine tidal-current energy unit underwater portion, waterborne
Terrace part and the part of distributed grid-connected device part three, which is characterized in that connection is connected including metal grounding network and with it
Three lightning protection subsystems, three lightning protection subsystems are to be separately positioned on the marine tidal-current energy unit underwater portion, waterborne flat
Underwater lightning protection subsystem, platform lightning protection subsystem and grid-connected lightning protection subsystem on platform part and distributed grid-connected device part；
The platform lightning protection subsystem includes that the platform being installed on the pier part connects sudden strain of a muscle device, platform SPD takes shelter from the thunder
Device and platform electrical grounding conductor, signal system of the platform SPD arrester for installation into pier part, power supply
On electric component, the platform electrical grounding conductor is used to be separately positioned on all components of the pier part
And pass through equipotential link；
The grid-connected lightning protection subsystem includes that the bank base being installed on distributed grid-connected device part connects and dodges device, grid-connected
SPD arrester and grid-connected electrical grounding conductor, the grid-connected SPD arrester is for installation into distributed grid-connected device portion
On signal system, power supply and the electric component divided, the grid-connected electrical grounding conductor is for being separately positioned on the distribution
On all components of grid-connecting apparatus part and by equipotential link, the bank base, which connects, dodges device for being mounted on distributed grid-connected
On device and with the metal grounding network equipotential link；
The underwater lightning protection subsystem includes the underwater SPD arrester that is installed on the marine tidal-current energy unit underwater portion and underwater
Electrical grounding conductor, the underwater SPD arrester for installation into the signal system of marine tidal-current energy unit underwater portion, power supply and
On electric component, the underwater electrical grounding conductor is used to be separately positioned on all portions of the marine tidal-current energy unit underwater portion
On part and pass through equipotential link.
2. the lightning protection system of marine tidal-current energy unit according to claim 1, which is characterized in that three lightning protection subsystems
The connection type of system and metal grounding network is cable connection, and passes through cable equipotential link between three lightning protection subsystems.
3. the lightning protection system of marine tidal-current energy unit according to claim 1, which is characterized in that further include for each section
Power supply overhead line protection and flush system cable protective.
4. the lightning protection system of marine tidal-current energy unit according to claim 1, which is characterized in that the power supply of each section
It is protected using double I grades of lightning protections and electrical grounding.
5. the lightning protection system of marine tidal-current energy unit according to claim 1, which is characterized in that grid-connected lightning protection subsystem
In, transformer and cutting-in control cabinet select I grades of lightning protections, and Electric Appliance Cabinet selects II grades of lightning protections, and network cabinet uses III level thunder
Electricity protection.
6. the lightning protection system of marine tidal-current energy unit according to any one of claims 1 to 5, which is characterized in that the platform
The platform SPD arrester of lightning protection subsystem includes the control cabinet SPD being mounted on control cabinet and current transformer, current transformer SPD；
The control cabinet SPD includes control cabinet power supply SPD and control cabinet signal SPD.
7. the lightning protection system of marine tidal-current energy unit according to any one of claims 1 to 5, which is characterized in that described grid-connected
The grid-connected SPD arrester of lightning protection subsystem includes cutting-in control cabinet SPD, the transformer being mounted on cutting-in control cabinet and transformer
SPD and signal SPD.
8. the lightning protection system of marine tidal-current energy unit according to any one of claims 1 to 5, which is characterized in that described underwater
The underwater SPD arrester of lightning protection subsystem includes the pitch-controlled system SPD being mounted on pitch-controlled system and deck store cabinet, deck store cabinet SPD；
Pitch-controlled system SPD includes pitch-controlled system power supply SPD and pitch-controlled system signal SPD；Deck store cabinet SPD includes deck store cabinet power supply
SPD and deck store cabinet signal SPD.
9. a kind of marine tidal-current energy unit, which is characterized in that the thunder and lightning including any marine tidal-current energy unit of claim 1 to 8 is anti-
Protecting system.
10. marine tidal-current energy unit according to claim 9, which is characterized in that the lightning protection system of the marine tidal-current energy unit
It is the setting carried out on the basis of the lightning protection region division result of marine tidal-current energy unit, the lightning protection region division is the result is that utilize
Marine tidal-current energy unit is carried out the result of different grades of lightning protection region division by rolling ball method.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821086169.3U CN208433740U (en) | 2018-07-10 | 2018-07-10 | A kind of lightning protection system of marine tidal-current energy unit and marine tidal-current energy unit including it |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821086169.3U CN208433740U (en) | 2018-07-10 | 2018-07-10 | A kind of lightning protection system of marine tidal-current energy unit and marine tidal-current energy unit including it |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108599084A (en) * | 2018-07-10 | 2018-09-28 | 国电联合动力技术有限公司 | A kind of lightning protection system of marine tidal-current energy unit and the marine tidal-current energy unit including it |
-
2018
- 2018-07-10 CN CN201821086169.3U patent/CN208433740U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108599084A (en) * | 2018-07-10 | 2018-09-28 | 国电联合动力技术有限公司 | A kind of lightning protection system of marine tidal-current energy unit and the marine tidal-current energy unit including it |
| CN108599084B (en) * | 2018-07-10 | 2024-03-12 | 国电联合动力技术有限公司 | Lightning protection system of tidal current energy unit and tidal current energy unit comprising same |
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