6 | Terra 53/23 Charging Station User and Operator Guide version 1.0
Glossary
AC
Alternating Current.
CCS
Combined Charging System. A universal AC
and DC charging system, also referred to as
“Combo”.
CHAdeMO
DC Quick charging method for electric
vehicles.
DC
Direct Current.
EV
Electric vehicle.
Owner
The legal owner of the charger.
OCPP
Open Charge Point Protocol. Open standard
for communication with charge stations.
PE
Protective Earth.
RCBO
Residual-current Circuit Breaker with
Overload protection. Breaks the connection if
a residual current or overload is detected.
RCD
Residual Current Device. Breaks the
connection if a residual current is detected.
RFID
Radio-Frequency IDentification. RFID is a
Communication technology by means of
radio waves to transfer data over a very short
distance between a reader and an electronic
tag or card.
Site operator
Person or company that has the charge
station under its control. The site operator
can be the owner, but not necessarily.
User
The driver of an EV that uses the charge
station.
