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How to Tell If a Surge Protection Device Is Bad
Jul 17 , 2025
Surge protection devices (SPDs) are essential for safeguarding your electronics from voltage spikes caused by lightning strikes, power outages, or electrical faults. However, like any other device, SPDs can wear out or fail over time. If your surge protector stops working effectively, your expensive equipment could be at risk. Here’s how to tell if your surge protection device is bad a...
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Benefits of Lightning Protection Systems
Aug 13 , 2025
Lightning is a powerful natural phenomenon that can cause significant damage to buildings, infrastructure, and even human lives. Installing a lightning protection system (LPS) is a crucial safety measure to mitigate these risks. Here are the key benefits of having an LPS in place: 1. Protection of Life and Safety The primary purpose of a lightning protection system is to safeguard people inside a ...
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Selection of Uc, Up,Iimp and In for Surge Protective Devices (SPDs)
Aug 20 , 2025
Selection of Maximum Continuous Operating Voltage Uc and Voltage Protection Level Up for Surge Protective Devices (SPDs) According to the requirements of national standards GB 50343-2012 and GB/T 18802.12-2024, the principle of rated impulse withstand voltage Uw * 0.8>SPD voltage protection level Up should be followed before the wire enters the system. If Uc is chosen to...
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What is the basic principle of the surge protection device remote signal terminal and how does it achieve communication?
Aug 28 , 2025
The remote signal terminal of the surge protection device is the key interface for remote monitoring of the SPD status. Its core function is to convert the SPD operating status (such as normal, faulty, tripped, etc.) into a transmittable electrical signal and transmit it to the remote monitoring system (such as the distribution automation system, computer room monitoring system, etc.),...
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What is high voltage ride through and how does it affect the selection of surge protection devices?
Nov 12 , 2025
High Voltage Ride-Through (HVRT) is a key concept in power systems, particularly in the grid-connected integration of renewable energy generation (such as wind and photovoltaic power). It refers to the ability of grid-connected equipment (such as wind turbines and photovoltaic inverters) to maintain grid connection and maintain output within a specified timeframe (e.g., providing reactive power) w...
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Jinli Lightning Protection's technical team visits Shenyang Feichi Electrical
Nov 26 , 2025
With the rapid development of industry and new energy sectors, power electronics technology is widely used, and lightning overvoltage protection has become a key link in ensuring the safe and stable operation of power systems. On November 22th, the technical service team of Anhui Jinli Electric Tech. Co., Ltd. (hereinafter referred to as JinliElectric) was invited to visit Shenyang Feichi Ele...
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The Second "Jinli Cup" Production Skills Competition Concludes Successfully, Showcasing Craftsmanship and Skill!
Dec 04 , 2025
On November 26, 2025, the highly anticipated Second Jinli Cup Production Skills Competition was held. With the core theme of "Crafting Dreams with Ingenuity and Achieving Success through Skills", the competition attracted 54 contestants, including professional and skilled backbones from the production line and colleagues from many functional departments. They competed in five core events, showcasi...
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What is the basic principle of SPD remote signal terminal and how does it achieve communication?
Dec 11 , 2025
The remote signal terminal of the surge protection device is the key interface for remote monitoring of the SPD status. Its core function is to convert the SPD operating status (such as normal, faulty, tripped, etc.) into a transmittable electrical signal and transmit it to the remote monitoring system (such as the distribution automation system, computer room monitoring system, etc.), thereb...
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