Marine tankers, due to the very large volume of fuel they carry, are among the installations / facilities with increased risk, so the dissipation of electrostatic charges during the unloading or loading of the tanker with fuels is a very important issue.
Ground control systems dedicated to these applications safely dissipate electrostatic charges, which are generated to a very large extent during the transfer of the medium and during the connection of metal loading arms.
Working principle of the SEK3 marine tanker grounding control system
The SEK3 grounding control system and its terminal is approved for operation in a hazardous area. It is equipped with two lights that signal the operator about the correctness of grounding. The system continuously monitors the resistance, and if an abnormality is detected, e.g. loss of grounding by loosening the clamp or knocking it down by a worker, the system detects the error, enters the NO-EARTHING mode and sends a signal to the control cabinet to stop the process.
Components of the grounding control system:
- ex grounding correctness monitoring unit – has two indicator lights and potential-free contacts for blocking the process in the absence of grounding,
- ex control outputs that allow the system to be opened in the hazardous area when changing cables, for example,
- certified stainless steel grounding terminal in Ex,
- grounding cable with a length of 30 m – cable sheath resistant to many chemical and atmospheric agents,
- set of Ex glands
SEK3 tanker grounding control system certificates
- Ex II 2 G – Ex eb ib q [ib] IIB T4 Gb (for monitoring unit)
- Ex II 2 G – Ex eb ib IIB T4 Gb (for grounding clamp)
