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Darragh Rogan said:
A quick way to do this would be to build a simulation room in Dialux, and light it first with the photometric data for T5 or T8 luminaries, and then LED.
You would need to try to eliminate differences in the light fittings affecting your exercise to find differences in the light source – I would suggest using a similar light fitting that is adapted to use both T5 & LED – you should be able to find a batten type T5 no problem – and there are LED batten’s out there….
The Dialux report will be able to predict circuit energy consumption, illumination (and uniformity of same), UGR for your beam angle but it won’t be able to help with lifetime, harmonic distortion, or one of the more noticeable differences between T5 & LED: light colour (kelvin) and Colour Rendering Index (and how linear the CRi line is…)
Is this any help to you?
what is dialux?im a practical student major in power so i never learn anything about this before. and also what is UGR?
robertkennedy said:
Hello. GPS precision time synchronization is used for power systems where reliability is critical, such as electric utility grid, data centers, hospitals, refineries, etc. For standard applications, power monitoring with 1-second resolution may be enough. But for critical power applications, engineers must distinguish events within 1 ms. Typically, GPS time sync is used in “Sequence of Events Recording” (SER) systems, in which every power system event is recorded within 1 ms. This is necessary for system troubleshooting to know the exact sequence of every action. It can also be useful to record all aspects of a system test to produce a written record of the successful test. Such proof of monthly tests is sometimes required for hospitals and other sites which use stand-by generation.
I hope this additional explanation is useful.
robertkennedy said:
Hello. GPS precision time synchronization is used for power systems where reliability is critical, such as electric utility grid, data centers, hospitals, refineries, etc. For standard applications, power monitoring with 1-second resolution may be enough. But for critical power applications, engineers must distinguish events within 1 ms. Typically, GPS time sync is used in “Sequence of Events Recording” (SER) systems, in which every power system event is recorded within 1 ms. This is necessary for system troubleshooting to know the exact sequence of every action. It can also be useful to record all aspects of a system test to produce a written record of the successful test. Such proof of monthly tests is sometimes required for hospitals and other sites which use stand-by generation.
I hope this additional explanation is useful.
oh thank you so its not suitable for airport right?
