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5.6.2 Meter Solution
There are two types of smart meters (built-in CTs) available for varied system types.
Model
Accuracy Class Frequency
Reference Voltage
Instrument constant
DDSU666
Active Class 1
50Hz
230V
800imp/kWh
DTSU666
Active Class 1
50Hz
380V
400imp/kWh
Please choose to use single phase or three phase meters based on the Grid and PV
system types. Cannot use single phase and three phase meters at a same time.
5.6.2.1 Two Three Phase Meters
In a three-phase grid & three phase PV system, two units of three-phase meters can be
used to sample voltage and current at PV side and grid side separately.
Please install the two units of 3-phase meters with reference diagram as showed below.
Note
!
Both CTs directions shall point to the load side. Please notice the CT
direction.
Summary of Contents for TSOL-ACU3.0K
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