Following in the footsteps of the previous article, let’s look at some tips to prevent the damage to surge protective devices (SPDs).
1. Overvoltage Conditions
As surge protective devices (SPDs) break is due to overvoltage conditions, choosing a suitable voltage for the surge protective devices (SPDs) is important.
2. Burn-in of Surge Protective Devices (SPDs)
Regular maintenance and replacement of surge protective devices (SPDs) are recommended to ensure that the devices are functioning correctly.
3. Installation Location
The proper installation of the surge protective devices (SPDs) at the optimal location is vital to its performance.
4. Quality of Surge Protective Devices (SPDs)
It is essential to choose a high-quality surge protective device (SPD) made from reliable materials that can withstand the electrical loads and environmental factors.
5. Improper Maintenance and Regular Testing
Surge protective devices (SPDs) require regular maintenance and testing to ensure that they are operating correctly and within the manufacturer’s specifications.
In an electrical systems, SPDs are usually installed in tap-off configuration (in parallel) between the live conductors and the earth. The operating principle of SPD can be similar to that of a circuit breaker. In normal use (no overvoltage): the SPD is similar to an open circuit breaker. When there is an overvoltage: the SPD […]
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To protect an electrical installation in a building, simple rules apply for the choice of 1. SPD(s); 2. its protection system. For a power distribution system, the main characteristics used to define the lightning protection system and select a SPD to protect an electrical installation in a building are: 1. SPD 1.1 quantity of SPD 1.2 type 1.3level of exposure […]
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