MA-041 – DGA 900 Plus - Installation & Commissioning Manual - Rev 1.1 4-Mar-22 Page 28 of 99
Figure 8-1: OLTC Monitor wiring – three phase
Note: Top oil temperature isn’t installed if the top oil temperature of the thermal card
is available.
Note: See Section 8.2 for the Power converter wiring.
8.1.2.2 Wiring (single phase AC only)
The OLTC motor torque requires the installation of a loop-powered split core CT to
provide the product with a 4-20 mA input. Figure 8-2 shows the wiring plan and the 4-20
mA output connected to the product.
Note: Contact GE for specific details on the implementation. The installation position
within the motor circuit does depend on the configuration, for example, if DC
braking is deployed.
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