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Surge Protection for Solar Photovoltaic Systems

[2023-12-28 15:12:48]

The remote locations, exposed surface areas and extensive layouts of solar power plants put them at high risk of damage from the elements, particularly electrical storms. A significant concern for photovoltaic (PV) power plant operators is equipment damage caused by direct or indirect lightning ... Read More

IEC 61643-21 Low voltage surge protective devices – Part 21: Surge protective devices connected to telecommunications and signalling networks – Performance requirements and testing methods

[2023-12-28 15:10:13]

Description / Abstract: This International Standard is applicable to devices for surge protection of telecommunications and signalling networks against indirect and direct effects of lightning or other transient overvoltages. The specifications serve for compliance that the necessary requirements ... Read More

IEC 61643-31 Low-voltage surge protective devices – Part 31: Requirements and test methods for SPDs for photovoltaic installations

[2023-12-28 15:01:17]

This British Standard is the UK implementation of EN 61643‑31:2019. It is derived from IEC 61643‑31:2018. It supersedes EN 50539‑11:2013+A1:2014, which is withdrawn. Scope: This part of IEC 61643 is applicable to Surge Protective Devices (SPDs), intended for surge protection against indirect and ... Read More

How to choose an SPD

[2023-12-28 14:59:53]

Why Purchase a Surge Protective Device (SPD)? A Surge Protective Device (SPD) is designed to reduce surge voltage, which protects equipment and reduces repair and replacement costs. Every SPD reduces the surge voltage to equipment during a surge to a voltage tested level known as Let-Through-Voltage... Read More

UL 1449 4th Edition

[2023-12-28 14:59:03]

Introduction UL 1449 4th edition assigns type designations to Surge Protective Devices (SPD) (1, 2, 3, 4, 5) reflecting the installation locations within the electrical distribution system. These designations were adopted from IEEE categories C, B, & A respectively Comprehending the various location ... Read More

Surge protector for LED-lighting

[2023-12-28 14:48:05]

Public lighting installations are exposed to the environment. Located where continuity of service is essential, it is crucial that these installations are protected against lightning and overvoltage and that can be achieved using a surge protector for street lighting. Today, it is primarily LED ... Read More

Grounding Protection

[2023-12-28 14:47:01]

Grounding and bonding devices are used in all types of electrical equipment and are an essential component of any electrical system in both commercial and residential applications. Most power quality problems are related to grounding and neutral size issues at an estimated cost of $15 billion to $30 ... Read More

Surge protection devices for industrial applications

[2023-12-28 14:45:46]

The need for industrial surge protection Today’s industrial and professional equipment is dependent upon microprocessors and other sensitive electronic equipment, increasing the world’s need for greater protection from electrical surges. At industrial sites, power surges wreak havoc on equipment, ... Read More

Lightning protection of low-voltage power distribution system in buildings

[2023-12-28 14:44:02]

Lightning disasters mainly include direct lightning strikes, lightning electrostatic induction, and lightning electromagnetic pulses. Direct lightning strike Direct lightning strike refers to the physical phenomenon that the thundercloud discharges directly to the ground. If the ground is directly ... Read More

How to protect your solar power system from lightning

[2023-12-28 14:43:01]

Lightning is a common cause of failures in photovoltaic (PV) and wind-electric systems. A damaging surge can occur from lightning that strikes a long distance from the system, or even between clouds. But most lightning damage is preventable. Get Grounded Grounding is the most fundamental technique ... Read More

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