Noun switchroom (plural switchrooms) (telecommunications) A room, often an entire floor, containing switching equipment, especially for telephone lines.
What is a switchroom and how is it built?
Switchrooms are built to house switchgear and associated systems (cables, dc systems, SCADA and cable containment). Suitable provision should be made within the room for all these systems. In addition requirements such as toilets, desks, telephones, security systems, etc. may need to be considered.
What is a switchgear room?
A switchgear room is an enclosed space - within an electrical power generating station or substation - in which are located high-voltage circuit breakers, protective relays, battery supplies, etc. The types of circuit breakers located inside switchgear rooms are indoor types and not suitable for locating in the substation compound.
What is the difference between switchroom and substation?
A room, often an entire floor, containing switching equipment, especially for telephone lines. an area containing an assembly of electrical equipment for controlling and protection of electrical circuits. a switchroom may be associated to a substation but only contains switches.
What is an LV switchroom?
In addition LV switchrooms often also house other related equipment – marshalling panels, UPS systems, control panels etc.. This article gives some design guidance for the correct sizing of these rooms. In laying out the LV switchroom, actual switchboard dimensions should be used.
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Switchboards
In laying out the LV switchroom, actual switchboard dimensions should be used. Typical switchboard dimensions would be:
Room Dimensions
Clearances around switchboards should comply to local regulations. In the absence of other guidelines the following minimums can be used:
Environmental Category
IR1 (indoor) - good heat insulation, air conditioned; office, shops, etc.
See Also
Steven has over twenty five years experience working on some of the largest construction projects. He has a deep technical understanding of electrical engineering and is keen to share this knowledge. About the author
What is a switchroom?
Switchrooms are built to house switchgear and associated systems (cables, dc systems, SCADA and cable containment). Suitable provision should be made within the room for all these systems. In addition requirements such as toilets, desks, telephones, security systems, etc. may need to be considered.
How tall is a switchboard?
Height – sufficient height needs to be allowed to ensure adequate movement and operation of the switchboards. In practice, a height of 3700 mm is typical.
What is MV switchgear?
Many medium voltage (MV) indoor switchgear rooms exist worldwide. The complexity of these rooms varies considerably depending on location, function and technology adopted by the owner. This article provides general guidance on the factors to be considered in the design of a typical room.
Can relays be installed in switchboards?
While relays can be incorporated within the switchboards, often they are installed in separate panels/racks. Provision needs to be made for the installation of any protection panels and control cabling to the associated switchboards.
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Edvard Csanyi
Electrical engineer, programmer and founder of EEP. Highly specialized for design of LV/MV switchgears and LV high power busbar trunking (<6300A) in power substations, commercial buildings and industry facilities. Professional in AutoCAD programming.
