Power System Lightning Protection Engineering Solutions
I.Introduction
With the rapid development of science and technology,the power system has become the cornerstone of the operation of modern society.However,lightning,as a common phenomenon in nature,poses a serious threat to the safe and stable operation of the power system.In order to ensure the reliable power supply of the power system,the implementation of lightning protection measures is particularly important.So,what are the lightning protection devices for power systems?
II.The power system lightning protection devices:
1.HD-PLR plasma lightning repellent:PLR through the release of high-energy electron beams,the formation of plasma in the surrounding space,changing the local electric field distribution,so as to achieve the active dispersion of lightning.In the power system,plasma lightning repellent device can be installed in the key nodes,such as the top of the power tower,through the active dispersion of lightning,reduce the risk of lightning strikes.
2.Voltage-limiting surge protection device:its distinctive features are low output residual voltage,fast response time,especially when the lightning surge through the protector,the subsequent current will not appear.When this lightning protector produces overheating,overcurrent and breakdown failure due to lightning strike,the built-in failure release device can automatically detach it from the power grid.
3.Lightning online monitoring system:it is mainly for wind farms,photovoltaic power stations such as occupying a large air area,vulnerable to lightning strikes,difficult to accurately troubleshoot lightning problems.Through the data intelligent monitoring and collection,to achieve the function of data collection and risk warning.Both can reduce the accident investigation efforts and costs,but also based on data for accurate positioning and additional protective measures.
III.The power system lightning protection and grounding engineering solutions:
In order to reduce the impact of lightning on the power system,the following lightning protection measures should be taken:
1.External lightning protection facilities:
(1)Installation of lightning protection devices:lightning rod is one of the main facilities for lightning protection of the power system,which protects overhead transmission lines,towers and equipment from direct lightning strikes by directing the lightning current into the ground.
(2)grounding system:a good grounding system can ensure that lightning current flows smoothly into the earth,reducing the risk of equipment damage.Flexible lightning protection and grounding technology can be used,which can not only effectively reduce the soil resistivity,but also enhance the grounding network on the high-frequency impact resistance,efficiently solve the complex environment of the power system grounding resistance is high,the transmission line backlash tripping and other problems.
(3)Overhead line lightning protection:the use of lightning lines,lightning arrester and other equipment to improve the line's lightning protection capability.At the same time,reasonable selection of line paths,avoid crossing the area of frequent lightning activity.
2.Internal lightning protection measures:
(1)Over-voltage protection:Install surge protection devices(lightning arrester),discharge gaps and other over-voltage protection equipment in the power system to limit the damage of lightning over-voltage to electrical equipment.
(2)Equipotential connection:Ensure that the metal casing and cable shield of electrical equipment are well connected to reduce the overvoltage and overcurrent generated by lightning induction.
(3)Shielding measures:Shield important equipment and lines to reduce the impact of lightning electromagnetic radiation on equipment.
(4)Lightning monitoring and early warning:use HD-LDL lightning online monitoring system,real-time monitoring of lightning activity,timely release of early warning information,to provide strong support for the lightning protection of the power system.
IV.Conclusion
In summary,the lightning protection solution for the power system involves many aspects,including external lightning protection facilities and internal lightning protection measures.In order to ensure the safe and stable operation of the power system,a comprehensive consideration of various factors should be taken into account to adopt scientific and effective lightning protection measures.
Want to get more related information,welcome to call the hotline!
Recommended lightning protection products:
HD-PLR Plasma Lightning Repellent:no power supply+no need to lead to ground+40 years of effective service life
HD-R10 Flexible Grounding Electrode:excellent resistance effect+anti-corrosion environmental protection and safety+applicable to a variety of terrain
Surge Protection Device:low output residual voltage+long service life+high safety performance
HD-LDL Lightning Online Monitoring System:critical areas to disperse lightning+real-time online monitoring+rapid warning function
I.Introduction
With the rapid development of science and technology,the power system has become the cornerstone of the operation of modern society.However,lightning,as a common phenomenon in nature,poses a serious threat to the safe and stable operation of the power system.In order to ensure the reliable power supply of the power system,the implementation of lightning protection measures is particularly important.So,what are the lightning protection devices for power systems?
II.The power system lightning protection devices:
1.HD-PLR plasma lightning repellent:PLR through the release of high-energy electron beams,the formation of plasma in the surrounding space,changing the local electric field distribution,so as to achieve the active dispersion of lightning.In the power system,plasma lightning repellent device can be installed in the key nodes,such as the top of the power tower,through the active dispersion of lightning,reduce the risk of lightning strikes.
2.Voltage-limiting surge protection device:its distinctive features are low output residual voltage,fast response time,especially when the lightning surge through the protector,the subsequent current will not appear.When this lightning protector produces overheating,overcurrent and breakdown failure due to lightning strike,the built-in failure release device can automatically detach it from the power grid.
3.Lightning online monitoring system:it is mainly for wind farms,photovoltaic power stations such as occupying a large air area,vulnerable to lightning strikes,difficult to accurately troubleshoot lightning problems.Through the data intelligent monitoring and collection,to achieve the function of data collection and risk warning.Both can reduce the accident investigation efforts and costs,but also based on data for accurate positioning and additional protective measures.
III.The power system lightning protection and grounding engineering solutions:
In order to reduce the impact of lightning on the power system,the following lightning protection measures should be taken:
1.External lightning protection facilities:
(1)Installation of lightning protection devices:lightning rod is one of the main facilities for lightning protection of the power system,which protects overhead transmission lines,towers and equipment from direct lightning strikes by directing the lightning current into the ground.
(2)grounding system:a good grounding system can ensure that lightning current flows smoothly into the earth,reducing the risk of equipment damage.Flexible lightning protection and grounding technology can be used,which can not only effectively reduce the soil resistivity,but also enhance the grounding network on the high-frequency impact resistance,efficiently solve the complex environment of the power system grounding resistance is high,the transmission line backlash tripping and other problems.
(3)Overhead line lightning protection:the use of lightning lines,lightning arrester and other equipment to improve the line's lightning protection capability.At the same time,reasonable selection of line paths,avoid crossing the area of frequent lightning activity.
2.Internal lightning protection measures:
(1)Over-voltage protection:Install surge protection devices(lightning arrester),discharge gaps and other over-voltage protection equipment in the power system to limit the damage of lightning over-voltage to electrical equipment.
(2)Equipotential connection:Ensure that the metal casing and cable shield of electrical equipment are well connected to reduce the overvoltage and overcurrent generated by lightning induction.
(3)Shielding measures:Shield important equipment and lines to reduce the impact of lightning electromagnetic radiation on equipment.
(4)Lightning monitoring and early warning:use HD-LDL lightning online monitoring system,real-time monitoring of lightning activity,timely release of early warning information,to provide strong support for the lightning protection of the power system.
IV.Conclusion
In summary,the lightning protection solution for the power system involves many aspects,including external lightning protection facilities and internal lightning protection measures.In order to ensure the safe and stable operation of the power system,a comprehensive consideration of various factors should be taken into account to adopt scientific and effective lightning protection measures.
Want to get more related information,welcome to call the hotline!
Recommended lightning protection products:
HD-PLR Plasma Lightning Repellent:no power supply+no need to lead to ground+40 years of effective service life
HD-R10 Flexible Grounding Electrode:excellent resistance effect+anti-corrosion environmental protection and safety+applicable to a variety of terrain
Surge Protection Device:low output residual voltage+long service life+high safety performance
HD-LDL Lightning Online Monitoring System:critical areas to disperse lightning+real-time online monitoring+rapid warning function
