According to GB50343 "Technical Specifications for Lightning Protection of Electronic Information Technology in Buildings", Section 5.4.3 10: The purpose of SPD energy coordination is to use the curre
Surge protector is a kind of protective device used to protect power systems and equipment from various transient overvoltages (lightning overvoltage and operating overvoltage) and impact current dama
Wind energy is one of the most mature and large-scale renewable clean energy sources. Wind power generation has brought great opportunities for the harmonious development of man and nature. However, d
A surge protector is a device used to protect electronic devices from sudden current changes. It can effectively eliminate sudden current changes caused by unstable factors such as lightning strikes a
Many friends who are engaged in electrical engineering are confused about the selection of surge protectors, because surge protectors have different levels and specifications, and it is difficult to f
The surge protector of the distribution cabinet is an important device used to protect the distribution system and related equipment from damage by surge voltage and current. It is mainly installed in
Nowadays, with the advancement of technology and the improvement of living standards, there are many electrical devices. However, due to the instability of the power grid and the unpredictability of n
In the field of electrical safety, the selection of surge protectors for distribution cabinets is a crucial task. It is related to the stability of the entire power distribution system and the safety
In the power system, the selection of surge protector specifications is an important part of ensuring the stable operation of electrical equipment. Choosing the appropriate surge protector specificati
In modern electrical systems, surge protectors play an indispensable role. As a professional electrical protection device, it can effectively resist transient overvoltages caused by lightning, operati
As an important protective device, surge protector plays an important role in protecting equipment from surge current. When choosing a surge protector, an important parameter is the Up value. So, do y
Photovoltaic power generation is a renewable and clean energy source that is widely used in various countries and regions. Lightning strikes and surges are a major hazard to photovoltaic power generat
1. Project acceptance is unqualified For projects such as new buildings, if the qualified standards for lightning protection acceptance are not met, the project may not pass the acceptance, which will
Why install a surge protector? As a surge protector manufacturer, we often encounter customers asking: "Why do I need to install a surge protector? What are the regulations that require the installati
Recently, many customers have asked us how to choose a primary surge protector? How to determine whether the on-site distribution box should be equipped with a primary surge protector? How to determin
As an important circuit protection device, surge protector is widely used in industrial control systems, communication equipment, household appliances and other fields. How long does it take to replac
Lightning arrester 1. Lightning arresters have multiple voltage levels, ranging from 0.38KV low voltage to 500KV ultra-high voltage, while surge protectors generally only have low-voltage products; 2.
3.1 Installation location According to the concept of IEC131221 (LPZ), when the electrical line passes through the junction of two lightning protection zones, a surge protector should be installed. Ac
Surge Protector Parameter Selection 2.1 Protection mode SPD can be connected between L (phase line), N (neutral line), and PE (protective line), such as L 2L, L 2N, L 2PE, and N 2PE. These connection
Surge Protector Protection Classification According to the characteristics of the nonlinear elements used 1.1 Voltage switching SPD Common nonlinear elements include discharge gaps, gas discharge tube
Surge Protector Performance Characteristics 1. Large protection flow, extremely low residual pressure, fast response time 2. Adopt the latest arc extinguishing technology to completely avoid fire; 3.
222222 is divided into two types: explosion-proof box type and module type. Both use a varistor with excellent nonlinear characteristics. Under normal circumstances, the surge protector is in an extre
Surge protectors are usually connected in parallel to the circuit system. When lightning occurs, high-intensity electromagnetic induction is generated on various metal pipes and wires entering the bui
Surge protectors are suitable for TT, TN-S, TN-C, IT and other power supply systems with AC 50/60Hz and rated working voltage of 220V/380V, as well as factory low-voltage power and control systems. Th
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