This blog is generate by Ms. Mercy Mollel
Table of Contents
What is a Lightning Surge Arrester?
The surge arrester, also called the lightning arrester or lightning conductor surge protector, protects the electrical equipment against over-voltage arising out of voltage spikes above the 190V limit. Surge arresters protect the sensitive electronics, appliances and equipment on an electrical grid by safely transferring any excess power down to ground.
Purpose: Lightning surge arrestors have the critical job of redirecting the lightning strikes to the ground in a safe manner, to protect sensitive electrical equipment such as transformers and circuit breakers from any kind of damage. They provide a path to ground of low impedance for the high voltage of the lightning current and thereby effectively “arrest” or limit the transient overvoltage caused by the lightning strike.
These devices save your equipment with their fast-acting, adaptive responses to voltage fluctuations, so that even in the event of equipment failures, the damage won’t be as catastrophic as it could have been. Basically, surge arresters are crucial parts in residential and commercial installations for protection because they will sustain stable electrical characteristics under variable external disturbances.
Principle of Operation: The operation involves providing a low impedance path to ground for the high voltage that the current of the lightning takes, thus “arresting” or limiting the transient overvoltage due to lightning strikes.
These devices protect your equipment against a sudden, changing voltage with a quick, adaptive response. In a nutshell, surge arresters are an integral part of protection installations at residential and commercial levels because they are able to stabilise electrical characteristics under variable external disturbances.
Types Of Surge Arresters:
Surge arresters are essential components in electrical systems, designed to protect equipment from voltage spikes. The primary types of surge arresters include:
Station-Class Surge Arresters: These are applied in high-power systems, such as power substations, for the protection of transformers and other critical equipment from lightning or switching surges. They are robust, reliable, and built to handle significant energy loads.
Intermediate-Class Surge Arresters: Used for medium-voltage applications, generally in industries or commercial sectors, these arresters offer protection to the equipment running within the range of low to high voltage. They balance capacity with cost.
Distribution-Class Surge Arresters: These are designed for low- to medium-voltage distribution networks and would serve protection for residential or small commercial power systems. Inexpensive yet effective, they are normally seen atop utility poles or at transformer locations.
Secondary Surge Arresters: Secondary arresters are installed on low-voltage systems and are utilised in homes and small businesses to protect appliances and sensitive electronic equipment against surge generated by lightning or power system disturbances.
Metal Oxide Varistor MOV Surge Arresters: By far, the most common type of arrester is the MOV. Because they have the ability to clamp high voltages in a very short time, they find applications in many places. They contain zinc oxide and are applied in both industrial and residential surge protection systems.
Each kind of surge arrester has its selection based on application and voltage levels to arrive at the best possible electrical system protection.
Understanding Lightning Surge Arresters:
Surge protectors, also known as lightning surge arresters, are devices that safeguard electrical equipment against unexpected voltage spikes that may arise from lightning strikes or other power supply disruptions. These spikes may result from direct strikes by lightning on power lines or from electrical induction from surrounding hits.
- Surge arresters work on a simple, yet very powerful, basis. By carefully diverting excess energy to the ground, they shield delicate equipment connected to the electrical network from harm. The system provides quick and dependable protection by rerouting voltage in nanoseconds after identifying a surge.
- Applications in All Sectors: Surge arresters are crucial in a number of sectors:
- Telecommunications: Prevents interruptions to data centres and essential communication equipment.
- Utilities: Reduces downtime and repair costs by safeguarding substations and electricity distribution networks.
- Protects electronics such as computers, appliances, and other devices from potential harm in residential and commercial buildings.
The Role of Surge Arresters in Modern Technology:
Few electrical engineering and technological phenomena evoke awe and at the same time are as destructive as lightning strikes. Decades of innovative solutions have protected industries and households alike from the surges in power brought about by lightning. Paramount among these defenses is the surge arrester to catch lightning, a stalwart guardian against volatile forces of nature.
Key Components of Lightning Surge Arresters:
1.Metal Oxide Varistor (MOV):
Metal Oxide Varistors or MOVs, are the main component of the majority of contemporary surge arresters. Microchips known as MOVs have a non-linear current-voltage characteristic, which means that when exposed to high voltages (such as those caused by lightning), they lose resistance and become highly resistant under normal working conditions.
2.Housing and Connections:
Surge arresters are kept safe in enclosures constructed of materials that can withstand the elements. They link power lines and other electrical wires to the earth.
Types of Lightning Surge Arresters:
- Distribution Class Surge Arresters: Distribution Class Surge Arresters: Utilised in distribution networks to safeguard homes and businesses.
- Station Class Surge Arresters: Used to safeguard transmission lines and high-voltage equipment in substations and industrial locations.
- Mid-level Class Surge Arresters: Used in systems with a medium voltage.
Benefits of Lightning Surge Arresters:
- Protection: They protect equipment from the destructive effects of lightning strikes, reducing downtime and repair costs.
- Safety: Enhance safety by preventing electrical hazards and potential fires caused by lightning-induced surges.
- Reliability: Improve overall system reliability by safeguarding against voltage transients.
Considerations for Selection:
- Voltage Rating: Select surge arresters that are compatible with your system and have the right voltage ratings.
- Environmental Conditions:Take the operational environment (temperature, humidity, etc.) into account to guarantee longevity and functionality.
- Installation:For surge arresters to operate at their best and last a long time, proper installation and maintenance are essential.
TAKO’s Commitment to Quality and Innovation in Lightning Surge Arrester:
TAKO has over 22 years of experience and has developed a strong understanding of lightning protection technologies. Furthermore In order for every surge arrester made by TAKO to satisfy global requirements for performance and safety, it is put through a rigorous testing process. Their commitment to innovation guarantees that their products meet and even surpass the high standards of their international customer base.
As a result of its many well-regarded partnerships, TAKO has gained industry recognition and established a solid base of trust. Through these alliances, TAKO is able to further solidify its standing as a reputable leader in lightning protection systems and demonstrate its commitment to providing dependable, high-quality services.
Looking Towards the Future:
Surge arresters play an increasingly important role as sectors become more dependent on continuous electricity and as technology advances. Because of this, TAKO is unwavering in its commitment to develop and adjust to the changing demands of its clients while making sure that their products offer strong defence against the elements.
Conclusion:
In summary, while we cannot control when or where lightning will strike, we can certainly mitigate its impact on our electrical systems. Surge arresters, such as those expertly crafted by TAKO since 1979, stand as a testament to human creativity in the face of natural challenges. As we move forward into a future shaped by rapid technological advancement, one thing remains certain: TAKO will continue to lead the charge in lightning protection, safeguarding the infrastructure that powers our modern world. Remember, when it comes to lightning, preparation is key, and with TAKO by your side, you can rest assured that your electrical systems are in safe hands.
1. What is a lightning surge arrester?
A lightning surge arrester protects electrical systems from high-voltage spikes by diverting the surge safely to the ground, preventing damage to equipment.
2. How does a lightning surge arrester work?
It detects excess voltage from a lightning strike and redirects the surge through grounding, protecting the connected devices.
3. Where should a surge arrester be installed?
Surge arresters should be installed at critical points in electrical systems, such as near distribution panels or sensitive equipment.
4. Can a surge arrester be reused after a lightning strike?
Surge arresters can handle multiple surges, but repeated strikes may reduce effectiveness. Regular inspections are recommended.
5. What’s the difference between a surge arrester and a lightning rod?
A surge arrester protects electrical systems from surges, while a lightning rod diverts lightning strikes away from a building or structure.
Disclaimer
The information contained in this blog is for informational and marketing purposes only and should not be taken as professional advice. Our focus is on providing comprehensive LPS total solution services. This service encompasses a wide range of solutions to design, install, and maintain a complete lightning protection system tailored to your specific needs. For any questions or to discuss your specific lightning protection needs, please contact us directly.