GE Kelman DGA 900 Plus - 9.7 Cabinet Connections

MA-041 – DGA 900 Plus - Installation & Commissioning Manual - Rev 1.1 4-Mar-22 Page 52 of 99
9.7 Cabinet Connections
9.7.1 Bushing Adaptors & Neutral CT(s)
An overview of the Bushing Adaptor connections is shown in Figure 9-23. The input
terminals for the coaxial cable connections are identified as, P1, P2, P3, S1, S2, S3 & N1,
N2, N3 (Core and Shield). See Section 9.4.1 Bushing Adaptor Cables.
Figure 9-23: Bushing adaptor connections
For connection of the Bushing Adaptors as well as the Neutral CT(s) to the grounding
switch terminals, see Sections 9.4.1.1.5 and 9.4.1.1.6.
Do not open the cabinet during inclement weather.
ALL cables entering the cabinet should have at least 150 mm (6 in.) of
excess length to allow for cable strain relief.
Before connecting the Bushing Adaptor coaxial cables to the product
cabinet, test that the ground connections have been made correctly. Verify
that there is continuity from the shield of each of the Bushing Adaptor
cables to the product cabinet ground terminal.
The rated maximum working voltage that may be present on each phase is
5 V AC rms and the rated maximum current that may be present is 200 mA.
The measurement category is CAT III for circuits that can be connected to
any coaxial cable connection.