
- 4 -
4
——
USB
5
——
Controller
6
——
Current Output Terminal
7
——
Current Input Terminal(Connected to Secondary Side for CT Transformation
Ratio Test)
8
——
Excitation Characteristic Power Output/The Port of Actual Secondary Load Test
9
——
Connected to Primary Side for PT Transformation Ratio Test
10
——
Connected to Secondary Side for PT Transformation Ratio Test
11
——
The Port of Resistance Test
12
——
Output (turned left for on and right for off.)
13
——
Power Switch
14
——
Power Socket
15
、
16
、
17
、
18
、
19
、
20
——
The wiring diagram of the test project
Figure 2
Figure 3
(CT Excitation Connection Diagram)
(PT Excitation Connection Diagram)