1 Introduction
Figure 1.2: Front view of the inverter
Abbreviation Description
cat5e
Category 5 twisted pair cable (enhanced)
for data transmission
DHCP
Dynamic Host Configuration Protocol –
enables automatic assignment of the
network address via the DHCP server
DSL
Digital Subscriber Line
EMC
Electromagnetic compatibility directive
(directive)
ESD
Electrostatic discharge
FRT
Fault Ride Through
GSM
Global System for Mobile
Communications (standard for digital
cellular mobile network)
HDD
Hard Disk Drive
IEC
International Electrotechnical Commission
– international standards organization
IT
Isolated Terra
LCS
Local commissioning and service tool
(LCS-Tool)
LED
Light-Emitting Diode
LVD (Directive) Low Voltage Directive
MCB
Circuit breakers
MPP
Maximum Power Point
MPPT
Maximum Power Point Tracking
determines the point of optimum PV power
P
P is the symbol for active power and is
measured in Watts (W).
PCB
Printed circuit board
18
SHP75-10-IA-xx-15
Abbreviation Description
PCC
Grounding
conductor
PELV
PLA
F1
F2
F3
F4
Home
Back
P
OK
On
Alarm
POC
P
PV
RCD
RCMU
R
ROCOF
Q
S
STC
SW
THD
TN-S
TN-C
TN-C-S
TT
DNO
Point of Common Coupling - point of
interconnection
The point on the public electricity network
to which other customers are, or could be,
connected.
Protective grounding
Protected Extra-Low Voltage
Power Level Adjustment = Output power
limitation
Power [W], Nominal active power
nom
Connection point
The point at which the PV system is
connected to the public utility grid.
Power [W], Standard Test Conditions
STC
Photovoltaic, photovoltaic cells
Residual-current device
Residual Current Monitoring Unit
Insulation resistance
ISO
Rate of Change of Frequency
Q is the symbol for reactive power and is
measured in reactive volt-amperes (VAr).
S is the symbol for apparent power and is
measured in volt-amperes (VA).
Standard Test Conditions
Software
Total Harmonic Distortion
Terra Neutral - Separate. AC Network
Terra Neutral - Combined. AC Network
Terra Neutral - Combined - Separate. AC
Network
AC grid with separation between
operational ground of the generator and
ground of the load system
Distribution Network Operator
SMA Solar Technology AG
Installation Guide