Goodwe GM3000 User Manual

7
Power Limit Solution for Grid-Tied PV Inverters User Manual V1.0-2022-09-15
2.5 Three-Phase Inverter + SEC1000 Networking
No. Parts Description
1 Inverter • Applicable inverters are SDT G2 series, SMT series, MT series and HT 1100V series.
• It is applicable to install one inverter or multiple inverters in the system.
2 SEC1000 Prepare CT by yourself for external installation when selecting SEC1000.
3 Load The load current of any phase shall be more than 120A.
No. Current Scope Description Note
1 I
max
< 250A CT 200A Acrel/AKH-0.66 (200A/5A) CT for power limit, closed type (born dimension 31mm*11mm,
Φ22mm)
CT 250A/5A Acrel/AKH-0.66-K-30x20-250/5 CT for power limit, open type (opening size 32mm*22mm), 0.5% in
precision
CT 250A/5A Acrel/AKH-0.66-K-60x40-250/5 CT for power limit, open type (opening size 62mm*42mm), 1.0% in
precision
2 250A ≤ I
max
< 1000A CT 1000A/5A Acrel/AKH-0.66-K-60x40-1000/5 CT for power limit, open type (opening size 62mm*42mm), 0.5% in
precision
CT 1000A/5A Acrel/AKH-0.66-K-80x40-1000/5 CT for power limit, open type (opening size 82mm*42mm), 0.5% in
precision
CT 1000A/5A Acrel/AKH-0.66-K-80x80-1000/5 CT for power limit, open type (opening size 82mm*42mm), 0.5% in
precision
3 1000A ≤ Imax <
5000A
CT 5000A/5A Acrel/AKH-0.66-K-140x60-5000/5 CT for power limit, open type (opening size 142mm*62mm), 0.2% in
precision
CT 5000A/5A Acrel/AKH-0.66-K-160x80-5000/5 CT for power limit, open type (opening size 162mm*82mm), 0.2% in
precision
Based on the external CT test current, the recommended CT specication are:
Inverter I
Inverter N
Inverter II
SEC1000
Utility Grid
Transformer
PV String
PV String
PV String
Router
Monitoring System
-
+
CT
AC
AC
AC
LAN
RS485
RS485
-
+
-
+
Parts Description

Goodwe GM3000 Specifications

General

Brand	Goodwe
Model	GM3000
Category	Measuring Instruments
Language	English