Delta SVG300A43A-11, Quick Star

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Specifications
3-3
3-2 Optional Accessories
3-2-1 Current Transformer
Delta's Static VAR Generator requires 3 current transformers (or CT), which use the rated frequency
for standard transformers of 400Hz (precision better than 1%); CT's rated output value must be
5A.Users can select suitable CT from table 3-1 CT model selection to install.
Notes on CT model selection:
(1) Be aware of the installation direction when installing CT's. The phase sequence of CT detection
signals (K, L) cannot be swapped, the Static VAR Generator must use 3 CT's in three-phase
three-wire devices, installed separately in R-phase, S-phase, and T-phase. The arrows point
towards load. The 3 CT's must all be in the same direction, any fixed in the wrong direction will
lead to errors in the detection of current values.
(2) The ratio of rated primary / secondary current must be selected reasonably, the recommended
primary current is 1.2-times (actual rated current);
(3) The primary / secondary isolation voltage is 0.66V; select 5A as the secondary current;
Magnified figure of the terminals (*
3
)
Model
Current ratio
(A)*
1
Primary current
(A)
Secondary
Output power
(VA)
Accuracy
Dimension
code
Dimension (mm)
CT-A0300 300A/5A 300 2.5VA 1% A
Outer
frame
Inner
frame
115*110*46
51*50*32
CT-A0600 600A/5A 600 5VA 1% A
Outer
frame
115*110*46
51*50*32