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Product details:
N895313512X ALSTOM
The shielding layer, the ground wire and the ground may form a closed loop. Under the action of the changing magnetic field, an induced current will appear in the shielding layer, and the signal loop will be blocked through the joint between the shielding layer and the dragon wire. If the system ground is confused with other grounds, the resulting ground circulation may produce unequal potential distribution on the ground wire, which will affect the normal operation of the logic circuit and analog circuit in the C. The logic voltage of PLC operation is low in interference tolerance, and the distribution interference of logic ground potential can easily affect the logic operation and data storage of C, resulting in data confusion, program runaway or crash. The distribution of the simulated ground potential will lead to a decrease in measurement accuracy, causing severe distortion and misoperation of signal measurement and control.
Alstom’s grid business has 12 entities in China with 2,100 employees. In 2009, the power transmission business achieved sales of nearly 270 million euros in China. During the more than 50 years of development in China, Alstom’s power grid business has participated in the construction of many important projects in the field of power transmission, including: HVDC transmission: Ningdong-Shandong HVDC transmission project and the Three Gorges project HVDC transmission project ( Gezhouba-Shanghai) project, State Grid’s first 1,100 kV transmission line bushing project and Guangdong Nuclear Power Group Ningde Nuclear Power Substation 550 kV gas-insulated composite transmission line project, etc. In addition, at this stage, Alstom’s power grid business is also engaged in a series of projects in China, including: providing 550 kV transformers for Inner Mongolia Electric Power Group, two high-voltage direct current transmission projects (Jinping-Sunan and Qinghai-Tibet) , as well as a series of ongoing centralized bidding and procurement projects of State Grid and Guangdong Electric Power Group.
ABB
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