Product Overview
EVQM-V01-R6 Installation and Operation Manual Quantum Intelligent EV Charging Pedestal
December 2023 Page 6 of 52
About Demand Side Response
Similar in some ways to Load Management, a Demand Side Response (DSR) system is
where the chargepoint and the electricity provider are in communication with each
other. The electricity provider will control the chargepoint remotely via the chargepoint
software to reduce the power it draws when it is needed by higher priorities in the area
and will increase power when those priorities reduce.
About PME (PEN) Protection
The PME Device removes the need to install a dedicated earth for the chargepoint.
If the voltage goes out of limits (below 207 Volts or above 253 Volts) for a continuous
period of 5 seconds, this could be caused by a PME fault. The PME Device will activate
(‘trip’) and isolate Live, Neutral and Earth to the vehicle.
x Undervoltage – Following an undervoltage trip, TruePEN continues to monitor the
supply and if the voltage returns to within limits for a continuous period of 5
seconds, the PME Device will automatically reset and restore the Live, Neutral and
Earth connections to the vehicle, allowing charging to resume.
x Overvoltage – An overvoltage condition is potentially more likely to damage the
vehicle so, for safety reasons, automatic recovery following an overvoltage is NOT
provided and charging cannot resume until a manual reset is performed.
Following an overvoltage condition, EV drivers are advised to investigate as far as they
can, the reasons for the overvoltage condition and to check their vehicle for correct
operation.
Security – Tamper Protection
1. Chargepoints incorporate a boundary to guard the electrical components from
tampering whilst also providing safety to engineers.
2. The chargepoint will log and issue an alert if there is a breach or an attempted
breach of the boundary.
Security – Tamper Protection
In conjunction with a number of the ‘Smart’ requirements, it is a requirement in the United
Kingdom that chargepoints of this type, sold after 30 December 2022, have two-levels of
anti-tamper protection.
1. Chargepoints must incorporate a boundary to guard the electrical components
from tampering whilst also providing safety to engineers.
2. The chargepoint must log and issue an alert if there is a breach or an unsuccessful
attempted breach of the boundary.
The purpose of this protection is to:
x Protect people from harm.
x Protect the chargepoint, the charging network and the electricity network from
malicious or accidental damage or abuse.
x Protect the data held on the chargepoint and/or within the associated online
applications.
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