SMA MLX Series - Manual (Page 10)

Illustration 1.2 MLX Inverter
Abbreviation Description
ANSI American National Standards Institute
AWG American Wire Gauge
cat5e Category 5 twisted pair cable (enhanced)
DHCP Dynamic Host Configuration Protocol
DNO Distribution Network Operator
DSL Digital Subscriber Line
EMC (Directive) Electromagnetic Compatibility Directive
ESD Electrostatic Discharge
FCC Federal Communications Commission
FRT Fault Ride Through
GSM Global System for Mobile Communications
HDD Hard Disk Drive
IEC International Electrotechnical Commission
IT Isolated Terra
LCS Local Commissioning and Service
LED Light-Emitting Diode
LVD (Directive) Low Voltage Directive
MCB Miniature Circuit Breaker
MPP Maximum Power Point
MPPT Maximum Power Point Tracking
NFPA National Fire Protection Association
P P is the symbol for active power and is
measured in Watts (W).
PCB Printed Circuit Board
PCC Point of Common Coupling
The point on the public electricity network to
which other customers are, or could be,
connected.
PE Protective Earth
PELV Protected Extra-Low Voltage
PLA Power Level Adjustment
P
NOM
Power, Nominal conditions
POC Point of Connection
The point at which the PV system is connected
to the public electricity grid.
P
STC
Power, Standard Test Conditions
PV Photovoltaic, photovoltaic cells
RCD Residual-Current Device
RCMU Residual Current Monitoring Unit
R ISO Insulation Resistance
ROCOF Rate Of Change Of Frequency
Q Q is the symbol for reactive power and is
measured in reactive volt-amperes (VAr).
S S is the symbol for apparent power and is
measured in volt-amperes (VA).
STC Standard Test Conditions
SW Software
THD Total Harmonic Distortion
TN-S Terra Neutral - Separate. AC Network
TN-C Terra Neutral - Combined. AC Network
TN-C-S Terra Neutral - Combined - Separate. AC
Network
TT Terra Terra. AC Network
Table 1.2 Abbreviations
Introduction
L00410644-01_2q / Rev. date: 2014-06-02 9
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