The alternative is to have installations with systems that locate the output circuit where the insulation leakage is occurring when an alarm is triggered by the insulation detector. This allows for a rapid solution to the problem, reducing the downtime of the ICU or several of its beds.
For this reason, the harmonized European standard UNE-HD 60364-7-710:2014, concerning electrical installations in medical facilities, recommends the use of insulation leakage detection systems.
EDS (Electrical Discharge Detectors) are leakage locators that can have between 6 and 12 highly sensitive measuring transformers. When a leakage current is generated, they detect the circuit through which the current is flowing and generate the corresponding alarm.
They are the ideal complement to the isoMED427P, an AC/DC insulation detector, which, when it detects a leakage, generates a current pulse to locate the insulation leakage using the EDS's measuring transformers. Furthermore, as many EDS units as needed can be connected to a single isoMED427P, depending on the number of output circuits in the installation.
The MK2430 is the repeater installed in the control area of the medical ward. In addition to alerting and recording isolation alarms, it will indicate the output circuit and the bed or part of the installation where the leak is occurring. This allows for rapid decision-making and effective action by the maintenance service, without having to evacuate the affected beds.
It is also worth noting that a single MK2430 can control several isoMED427P units and associated EDS units to view and record alarms.
In short, designing installations with leak detection systems allows for the preparation of ICUs, operating rooms, and other IT-based facilities for emergency situations requiring the expansion of ICU bed capacity.
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