WHAT IS OVERVOLTAGE?
Overvoltage is a condition where the potential difference between the two ends of a conductor rises far above the withstand capacity of electrical and electronic devices.
Overvoltages generally occur in very short durations, such as microseconds, and reach kilovolt levels. These voltages are sometimes caused by natural events such as lightning or southwesterly winds (lodos), and sometimes by internal movements such as the startup (inrush) of a heavy machine or its sudden exit from the system.
Since the risk of overvoltage occurring exists in any case, overvoltage protection must be implemented to protect systems.
What is Overvoltage Protection?
Overvoltage protection refers to systems integrated into risk-prone areas to block voltage peaks. Although internal lightning protection and surge arrester (parafudr) systems are often called this, these applications primarily serve to ground the excess current generated in the system. These systems, connected at building line entries and specific points, function as a grounding mechanism at a certain voltage value to shunt the excess current out of the system.
These protections are generally placed in main distribution panels. It is crucial for them to be located at centers where electrical circulation is coordinated. If placed correctly, they can protect the grid from the effects of lightning. However, it must be noted that surge arresters, busbar systems, and external or internal lightning protection systems are not sufficient on their own because they lack the capability to block overvoltage; while current can be conducted to the ground, voltage cannot.
What is the Best Way to Protect Against Overvoltage?
It is worth noting that the danger of lightning is always present. Internal and external lightning protection systems are used to ground high current, but these systems are often insufficient because voltage is not transmitted to the ground; only current can be. Voltage is the potential difference between two points.
Surge arresters and other internal lightning protection systems can ground high current. However, since these devices cannot limit the high voltage in the system, they pose a danger once their upper limits are exceeded. The failure of one of the lightning protectors in the main panel means the entire grid is exposed to high current along with high voltage.
With overvoltage suppressors, it is possible to provide protection against lightning and other sources of overvoltage.
Why is Trimbox Effective in Overvoltage Protection?
While Trimbox functions as a surge protection device, it is not just a surge arrester. It possesses functionality far different from devices like standard arresters or regulators. By blocking high voltage originating from fluctuating electricity, lightning, or grid faults before it reaches the system, it prevents the installation and connected devices from being affected by this surge through its overvoltage damping feature.
Trimbox’s voltage upper limit is quite high. However, if this upper limit is exceeded, the device protects the system by disconnecting. With Trimbox, it is possible to be completely protected against overvoltage.
Trimbox currently manufactures its new generation domestic surge arresters with a domestic production rate of 87.64%.
Simple precautions sometimes save lives. The best investment we can make for our family, our business, and our environment is protective measures. With Trimbox and GNDSeries, you can be protected from electricity-related damages and resulting electrical contact fires.
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