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Location Requirements for Power Grid Communication Room (III)
Release time:
2024-03-01 11:09
Source:
The location selection of the computer room is an important basic work, which is the need of the continuous operation of the power communication business system, and is also an important means to improve the security level of the computer room. The main station communication room is generally placed in the office building, substation.Communication roomGenerally placed in the main control building. Civil structures such as insufficient floor height, insufficient floor bearing and irregular space size are not suitable for planning as machine rooms. Attention should be paid to avoiding the above constraints when selecting sites, and it is better not to choose the top floor, because the top floor is difficult to keep warm and prone to water leakage accidents. If the machine room is set on the first floor, although it is beneficial to consider structural load, lightning induction, equipment handling, etc, however, there are risks of flooding, dusty, infestation and security concerns. Therefore,Smart grid machine roomIt should be set in the middle layer of the building body, and comprehensively consider the structural load, lightning induction, equipment handling and other factors.
1. Spatial structure
(1) The machine room should adopt a rectangular plane, and should not adopt a circular, triangular plane and other machine room planes that are not conducive to equipment layout.
(2) The rectangular plane should be selected as far as possible to effectively use the space of the room. If the distance between the front and back of the screen cabinet and the wall is too large, the space of the machine room will be wasted; if the distance is too small, it is not conducive to the daily maintenance of the equipment after completion.
(3) Considering the influence of the height of the electrostatic floor, the height of the screen cabinet, the form of air conditioning and refrigeration in the machine room and the wiring of the upper integrated pipeline on the height of the whole floor, the distance between the bottom of the beam in the machine room and the ground should not be less than 2.8m, I .e. the net height of the machine room should not be less than 2.8m.
(4) The bearing capacity of the machine room area shall meet the requirements of the equipment and battery specifications. The live load of the main machine room is 8 ~ 10kN/m², and the live load of the battery room is 16kN/m². If the requirements are not met, the load-bearing transformation shall be carried out.
(5) Generally, there should be no less than two safety exits for the machine room. Two or more exits must be set up for the machine room with a length of more than 15m or an area of more than 90m ², and should be set up at both ends of the machine room. Those that do not meet the requirements should be modified.
2. Waterproof and lightning protection
(1) The machine room should not be located in the lower layer of water equipment. Note that there should be no water pipes around to prevent water pipes from breaking and flooding the machine room.
(2) The computer room should avoid choosing the top floor, basement, corners and other spaces that are easy to leak rain, water seepage and lightning strike.
(3) In order to reduce the electromagnetic induction damage caused by lightning stroke, the main machine room should be located in the central part of the lower floor of the building, and as far away from the substation transformation area as possible to avoid the damage of strong magnetic field to electronic information equipment; At the same time, the machine room should be equipped with annular grounding grid, with at least two grounding points between the grounding grid and the main building to provide effective grounding for the machine room and the equipment in the machine room.
3. Equipment and facilities
(1) The main machine and outdoor machine of the precision air conditioner in the machine room have requirements for use in terms of height difference and distance. Generally, the vertical difference between the indoor and outdoor machines is not more than 22m, and the horizontal distance of the pipeline is not more than 40m (please consult the manufacturer according to the actual situation).
(2) The internal and external transportation channels of the machine room shall pay special attention to the requirements that large-scale self-contained equipment such as precision air conditioning, communication power supply and power distribution cabinet can be transported in place or away from the machine room.
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