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Carelabs

IEEE 1584 · Engineering

Get The Best Arc Flash Protection In Thailand

Carelabs delivers arc flash hazard analysis for industrial and commercial facilities across Thailand, identifying incident energy levels and PPE requirements in line with EIT Standard 2001-56. Our engineers use ETAP modelling and the IEEE 1584 calculation method to map arc flash boundaries across your electrical distribution system.

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Your supply is stronger than your switchgear assumes

Industrial estate networks are built for tenants that have not arrived yet and reinforced as they do. Fault current at your intake can be well above what the installation was designed around.

What We Deliver

Incident energy per working position

Energy is calculated in cal/cm² to IEEE 1584-2018 from the electrode configuration, enclosure dimensions, gap and working distance recorded on site rather than from a generic figure applied across the plant.

WHY IT MATTERS

The estate grew around you

Estate supplies are reinforced as occupancy rises. Available fault current increases without anything changing inside your boundary, and equipment adequate at fit-out can become under-rated with no indication at all.

  • Assessment to IEEE 1584-2018 with the validity range stated and any extrapolation identified rather than absorbed silently.
  • Fault current established by a short circuit study to IEC 60909 using the estate or utility figure for your actual intake.
  • Minimum source conditions assessed alongside maximum, since lower fault current can fall below an instantaneous threshold and extend the arc considerably.
  • Clearing times read from the installed devices, because settings schedules and relays diverge across the operating life of a plant.
  • Installation findings referenced to the EIT standard, so remediation is expressed in terms your contractor already works to.
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DELIVERABLES

What you receive

A signed engineering report aligned to the EIT standard and IEEE 1584, issued by the engineer who carried out the site work.

  1. 1Incident energy and arc flash boundary by equipment and working position
  2. 2Labels ready to apply, with a placement schedule
  3. 3PPE specification per position, referenced to calculated energy rather than equipment class
  4. 4Mitigation options for positions above the practical PPE limit, each with the clearing-time change it depends on
  5. 5The calibrated ETAP model, so an estate reinforcement is re-assessed rather than ignored
Reach Out

How the study runs

01

Define energised work

We establish which equipment is accessed live, since that determines the assessed scope, and exclusions are recorded so the boundary is auditable.

02

Site survey

Enclosure geometry, electrode configuration, gap and working distance are captured with nameplate data, because the result is sensitive to each.

03

Establish intake fault level

The figure is requested from the estate operator or utility for your actual point of connection, in both maximum and minimum conditions.

04

Protection review

Device settings are read on site and clearing time is taken from the real characteristic at the calculated arcing current.

05

Calculate and label

Energy, boundaries and PPE are determined per position, and labels are produced for application to the assessed equipment.

06

Report and brief

Findings are ranked by consequence and the maintenance team is briefed, so the numbers are understood by the people who open the panels.

Frequently asked questions

The estate operator where they own the distribution network, otherwise the supplying authority. What matters is that the figure applies to your actual point of connection rather than to the estate as a whole, and that both maximum and minimum values are provided, since they govern different aspects of the result.
Because the supply may have. Estate networks are reinforced as occupancy grows, raising available fault current at every connection on them. Equipment that was adequate at fit-out can become under-rated without anything inside your boundary changing, and nothing in normal operation signals that it has happened.
Yes, and they are normally commissioned together. Incident energy is calculated from bolted fault current and clearing time, both produced by the short circuit and protection work. Running an arc flash assessment on assumed fault levels yields labels that look authoritative while potentially understating the hazard.
Typically two to four days of site data capture and two to three weeks of analysis, provided the intake fault level is available. The usual constraint is not the calculation but the condition of the drawings, since the single line diagram has to be verified against the installation before anything can be modelled.

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