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PCT Auto-Test Box User Manual 

10 

2) Wiring for multi-coil and multi-ratio CT testing 

 

 

Figure 3: Wiring for multi-coil CT testing 

 

Note: When the 2

nd

 coil ratio is tested, please change the S1S2 to the correct position. In 

Figure 3, change S1

 to X6 or X7, change S2 

 

to X5, and make sure S1 and S2 on the 

same Coil. 

Summary of Contents for PCT Auto-Test Box

Page 1: ...OWER CO LTD Any form of copy should obtain the consent of it This manual represents the technical status for the moment of publishing The product information description and specifications mentioned i...

Page 2: ...PCT Auto Test Box User Manual 2 Content 1 Preface 3 2 Introduction and application 5 3 Hardware 6 4 Testing and wiring 8...

Page 3: ...ld be carried on in the factory or the certified maintenance center General Strictly follow the five safety rules below Disconnect completely Secure from reconnection Verify that the installation is d...

Page 4: ...CT auto test box into operation Use the PCT auto test box only in a technically sound condition and when its use is in accordance with the safety regulations for the specific job site and application...

Page 5: ...multi coils with different ratios can be tested the same Burden and primary winding resistance measurement Using the PCT auto test box it is also possible to include burden and primary winding resist...

Page 6: ...6 3 Hardware Figure 1 Box panel 1 Power socket 2 Power Switch 3 Communication port Reserved 4 S2 Switch X1 X6 B P 5 S1 Switch X2 X7 6 PCT testing system wiring ports 7 Primary port 8 CT wiring ports...

Page 7: ...CT auto test box with PCT200i or PCT200Ai Cable 2 x 7 Connecting the secondary side of the CT to the PCT auto test box Cable 2x1 Connecting the primary side of the CT to the PCT auto test box Clamp x1...

Page 8: ...include burden and or primary winding resistance measurement to the test without any need for wiring changes during the test procedure If you do not want to perform burden or primary winding resistan...

Page 9: ...Multi ratio CT testing 6 tap CT no burden measurement no primary winding resistance measurement Warning Feeding test voltage to a tap of a multi0ratio CT can cause life threatening voltages on other t...

Page 10: ...coil and multi ratio CT testing Figure 3 Wiring for multi coil CT testing Note When the 2nd coil ratio is tested please change the S1S2 to the correct position In Figure 3 change S1 to X6 or X7 chang...

Page 11: ...Additional wiring for burden measurement Figure 4 Additional wiring for burden measurement Note Please refer to the PCT200 User Manual with the burden measurement wring connection while using PCT aut...

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