Traditional Culture Encyclopedia - Traditional customs - What is the grounding terminal and the introduction of the grounding terminal board?
What is the grounding terminal and the introduction of the grounding terminal board?
1. What is a grounding terminal?
The terminal connected with the grounding body is the grounding terminal. The material depends on the material of the wire. Most of them are copper, but there are also copper-aluminum transition terminals. Pure copper or corrosion-resistant stainless steel is mainly used for casting and directly poured into cable troughs or other concrete products, which are widely used in petrochemical industry, electrified high-speed railways, substations and other fields. According to IEC? When 62305-3 requires the use of copper castings, the material purity should reach above 98%. Function of grounding terminal
The grounding terminal is used for grounding wire. The use of grounding terminals can make the grounding wire have good grounding conditions. Otherwise, the grounding wire will be randomly connected everywhere. The purpose of grounding is a safety measure in case of abnormal failure of equipment, and sometimes it is set to obtain reasonable line distribution.
Grounding terminals are widely used in electrified high-speed railways, substations, petrochemical industry, data centers and other fields. Generally, pure copper or corrosion-resistant stainless steel is cast and directly poured into cable troughs or other concrete products. According to IEC? According to 62305-3, the material purity should be above 98% when casting with copper and meet the following requirements when casting with stainless steel: Cr≥ 17%, Ni≥8%, Mo≥2% and C≤0.06%. (The electrified railway does not need cables to connect to the grounding terminals of the beam, pier and pier cap of the bridge, and a single hole is set (m16); In general, double holes (M 16) are set on the subgrade and pier cap with cables on the bridge, and porous holes (M 16) can be used as the extension bus in special cases. )
Second, the introduction of grounding terminal block
The grounding terminal is a special terminal for grounding wire. At present, China's electricity consumption is three-phase five-wire system. Separation of neutral wire and grounding wire. The ground wire is generally connected to the ground wire of the socket to protect the safety of electricity use.
The terminal of the grounding body connected to the grounding terminal block is a grounding terminal. The material depends on the material of the wire. Most of them are copper, but there are also copper-aluminum transition terminals. Pure copper or corrosion-resistant stainless steel is mainly used for casting and directly poured into cable troughs or other concrete products, which are widely used in petrochemical industry, electrified high-speed railways, substations and other fields. According to IEC? When 62305-3 requires the use of copper castings, the material purity should reach above 98%. Function of grounding terminal
The grounding terminal is used for grounding wire. The use of grounding terminals can make the grounding wire have good grounding conditions. Otherwise, the grounding wire will be randomly connected everywhere. The purpose of grounding is a safety measure in case of abnormal failure of equipment, and sometimes it is set to obtain reasonable line distribution.
There is a lot of knowledge about grounding terminals introduced to you above, so it is not difficult to know that this product, which is widely used in electrified high-speed railways, substations and other fields, has many advantages such as excellent service life and safety performance. For users, we can refer to the actual situation and focus on the later operation and maintenance of products. If necessary, we can conduct on-the-spot investigation to determine the scheme and ensure the appropriate effect.
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