A power plant, 2×300MW coal-fired units
A power plant, 2×300MW coal-fired units
The thermal system is a unit system . Each unit is equipped with a centralized control building, which adopts the centralized
control mode of machine , furnace and electric unit . The elevation of the unit control room is 12.6m, which is consistent with
the elevation of the operation floor . DCS adopts WDPF-Ⅱ, and the I/O points designed for each unit are 4500 points.
The number and length of the above cables do not include the factory-supplied cables for the fire alarm of the whole plant
and the cables of the auxiliary production workshops of the whole plant .
The cables of the power station can be divided into six categories :
High-voltage power cables , low-voltage power cables , control cables , thermal control cables , weak current cables
(mainly refers to computer cables ), and other cables . If two 300MW units do cable laying at the same time, the number of
professional automation cables will be about 8,500 . Among them, there will be more than 500 thermal control cables and
weak current cables, accounting for about 60% ( measured by the number of cables ).
B&R X20BR9300 X2X Link Bus Receiver, Allen Bradley 1769-PA2 CompactLogix Power Supply, Siemens 6ES7443-1EX30
-0XE1 Based On 6AG1443-1EX30-4XE0 Communication Module, B&R X20DO2649 Digital Output Module
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