Appendix C Power Frequency & Pv Switching Solution; Solution Introduction - INVT Goodrive170-PV Series Operation Manual

Goodrive170-PV Series Solar Pump Inverter
Appendix C Power frequency & PV switching solution
C.1 Solution introduction
Generally, inverters do not allow simultaneous connection of power frequency and PV. If
such simultaneous connection is required, switching control circuit needs to be
configured externally. The following figure shows a solution for reference.
Figure C-1 Inverter power frequency & PV switching solution
AC breaker (QF1)
A
B
AC
input C
~
220V
DC breaker QF2
+
PV
input
-
See section C.1.1 for specifications and model selection of QH100-PV switching module,
whose necessary low-voltage apparatuses include QF1, KM1, QF2, FU, and SPD. See
section C.1.2 for model selection information.
C.1.1 QH100-PV switching module
C.1.1.1 Model and specification
Field
Product series
abbreviation
Rated current
Voltage class
AC contactor (KM1)
KM1
A1
QH100-PV switching module
PV+
Voltage detection
PV-
PV+
Fuse (FU)
Surge Protection Device (SPD)
QH100 – 055A – 4 – PV
①
Sign Description
Product series
①
abbreviation
Power range for
②
adaptive inverter
③
Voltage class
Power frequency & PV switching solution
R
S
T
A2
S
COM
circuit
(+)
Diode (D)
② ③
QH100 series power frequency & PV
switching module
055A—applies to inverters of ≤15kW
110A—applies to inverters of 18.5–37kW
4: AC 3PH 380V(-15%)–440(+10%)
-63-
R
S
T
Pump motor
RO1B
U
RO1C
V
GD170-PV
inverter
W
HDI
COM
PE
(+)
(-)
④
Content
M