INVT Goodrive100-PV

Goodrive100-PV Series Solar Pumping VFD Power frequency & PV switching solution
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Appendix C Power frequency & PV switching solution
C.1 Solution introduction
Generally, VFDs do not allow simultaneous connection to power frequency and PV. If such
simultaneous connection is required, switching control circuit must be configured externally.
The figure below shows the solution for reference.
AC Input
(+)
S
T
AC breaker (QF1)
AC Contactor (KM1)
U
V
W
SPD(Surge Protection Device)
Fuse(FU)
M
R
S
T
R
(+)
(-)
GD100-PV
VFD
B
C
A
+
-
Diode(D)
PV+
PV-
PV+
S
COM
HDI
COM
PV Input
DC breaker (QF2)
Voltage Detection Circuit
RO1B
RO1C
220V
~
KM1
QH100-PV Switching Module
A1
A2
PE
Figure C-1 VFD power frequency & PV switching solution
See 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. C.1.2 details the models.
C.1.1 QH100-PV switching module
C.1.1.1 Models and specifications
QH100 – 055A – 4 – PV
① ② ④③
Key
Sign
Description
Remarks
Product
abbreviation
①
Product
abbreviation
QH100 series power frequency&PV
switching module
Rated
②
VFD power
055A: applies to VFDs ≤15kW