Tolerable Risk – IEC 62305-2
In performing risk assessment as an essential step in the application of IEC 62305, the calculated risk of loss due to lightning shall be below the tolerable level. Tolerable risk …
IEC 62305 – Risk Assessment Process
Risk assessment is a essential step in the application of IEC 62305. Risk assessment is required to determine the need and extent of protection measures to reduce the risk of …
Lightning Strike Damage and Losses – IEC 62305
IEC 62305 identifies four main sources of damage: S1 Flashes to the structure mechanical damage, fire and/or explosion due to the hot lightning plasma arc, over-heated conductors or melted metal; …
Steel Structure used as Lightning Protection System (LPS)
The design of a Lightning Protection System (LPS) should be technically and economically optimized. Clause 4.2 Design of the LPS in IEC 62305-3 – Protection against lightning Part 3: Physical …
Effects of harmonics on Electrical Equipment
Harmonic distort the fundamental frequency of the mains voltage waveform which affects the performance of other electrical equipment and creates additional losses and heating. A total harmonic voltage distortion of …
Resistance of a Single Earth Electrode
The resistance of a single earth can be calculated if the soil resistivity is known. An earth rod driven vertically, the electrode resistance can be calculated using the following formula. …