7
11.2019
INV315-50EU
Further mounting options are listed in chapter 7.0.
An overview of the technical data of the inverter can be found in
the appendix on pages 15-16.
5.1 Scope of delivery
Included in the scope of delivery:
•
Inverter
5.2 Dimensions
Typ
Width
[mm]
Depth
[mm]
Height
[mm]
INV315-50EU
385
155
30
INV315-50EU
Without mounting
plate
385
109
30
5.3 LED-Display
In normal operation, the PV generators produce a voltage
as soon as there is sufficient daylight or sunlight. When this
voltage is present at the inverter at a certain level and for a
corresponding period of time, the inverter begins feeding into
the grid. The inverter is equipped with an LED display that
provides information on the operating status in the following
manner.
Feed-in operation:
As the power level increases, the flashing frequency of the
LED increases. The following flashing frequencies show the
percentages as a function of the unit‘s power:
0% to 3% LED 0.5 Sec „ON“ 2 Sec „OFF“
3% to 30% LED 0.5 Sec „ON“ 1 Sec „OFF“
30% to 60% LED 0.5 Sec „ON“ 0.5 Sec „OFF“
60% to 85% LED 0.5 Sec „ON“ 0.2 Sec „OFF“
85% to 100% LED continuously „ON“
Non-feed-in operation:
When the inverter is in non-feed-in operation, the LED indicates
certain states, which are described below. These can be used for
troubleshooting in the event of a fault. Each stage begins with
the indication of the following sequence:
Sequence starts: 5 sec. „ON“, 2 sec. „OFF“
Power stages:
Synchronisation in progress:
LED 1sec. „ON“ 0.75sec. „OFF „0.25sec. 1 cycle
AC voltage not within tolerance range:
LED 1sec. „ON“ 0.75sec. „OFF „0.25sec., 2 cycles
DC voltage not within tolerance range:
LED 1sec. „ON“ 0.75sec. „OFF „0.25sec., 3 cycles
AC and DC voltages not within tolerance range:
LED 1sec. „ON“ 0.75sec. „OFF „0.25sec., 4 cycles
Internal overtemperature:
LED 1sec. „ON“ 0.75sec. „OFF „0.25sec., 5 cycles
Sequence ends: 2 sec. „AUS“
Insulation measurement on the PV side:
In feed-in operation, a too low insulation resistance between
PV and AC side is signalled with a fast flashing. For this purpose,
the flashing frequency for displaying the feed-in power is
interrupted every approx. 15s and flashing at a high frequency is
set for approx. 2s.
5.4 Protection soncepts
The following monitoring and protection concepts are
integrated in the AEconversion units of the validity range:
•
Overvoltage arresters / varistors to protect the power
semiconductors
•
Temperature monitoring
•
EMC filters to protect the inverter from high-frequency mains
interference
•
Mains-side varistors to earth to protect the inverter from
overvoltages
•
BISI (Bidirectional Safety Interface) Mains monitoring for
personal protection and to avoid islanding according to
VDE0126-1-1 / VDE AR-N 4105 / IEC 62116
•
Insulation monitoring of the PV input
5.5 Network and system protection
According to VDE AR-N 4105, the last five fault states of the
network and system protection and the set tripping values
and tripping times must be readable. For unit versions without
communication interface and with integrated fibre optics, the
data output is via the LED.
For units with communication, the values can also be called up
via the integrated interface.
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