Page 51 - Industrial Plants 2014

Fig. 12 - Offset colour rendering of the mud Fig. 13 - Offset colour rendering of the mud
module with traditional lighting module with LED lighting

(rooms, bathrooms, dining room etc.) were considered, the above-mentioned LED devices.
where it is now known that LED devices have far Another very important advantage given by using LED
exceeded all other sources of lighting in terms of sources, in particular from an Ex point of view, is the
energy efficiency. reduction of maintenance costs. As mentioned
Furthermore, for an equal voltage, a lower installed previously, LEDs have a longer life span than any other
power means a lower total current required by the light source, which means maintenance is reduced and
LED devices; therefore, considering an equal current consequently also the relative costs. Also, it is important
density for the cables, the plant running costs are to bear in mind that these costs do not only concern
lower, since the cables’ section is narrower (reduction the change of power supply, the lamp itself or cleaning,
of the amount of copper used). Although, as is but above all the costs related to the safety of workers
known, LED luminaires cost more than devices with who carry out the maintenance in question. Table 6 - Installed
traditional sources, this difference in costs is Lastly, but perhaps something that is not generally power and average
significantly reduced, in fact almost eliminated, by considered or known, but which is of considerable illuminance (1 m) for
the lower plant running costs arising from the use of importance, especially in industry, is what is called the the two lighting
systems in question

Installed power (W) Average illuminance (lux)
Section Traditional Traditional
system LED system Var. (%) system LED system
BOP foor 915 534,9 - 42 173 240

Drilling foor 1486 896,8 - 40 418 382
Winch and BOP accumulator 1092 590 - 46 294 294

Pipe ramp 280 125,9 - 55 109 137
Mast 720 566,4 - 21 - -

Operator foor 183 94,4 - 48 221 222
Degasser bridge and PCR 639 306,8 - 52 159 175

Well degassifcation and safety 1176 637,2 - 46 377 359
Mud
treatment Geologists 1764 920,4 - 48 522 521
module
Sieves 1008 566,4 - 44 335 334
Mud collection tanks 1008 566,4 - 44 335 334

IndustrIal Plants - May 2014
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