GE VMIVME-4512 Timer module

The Phase Correction Procedure requires that the prime mover be shut down many times to disconnect the current transformers. For convenience, a temporary method of connecting the current transformers shown in Figure 5-1 is recommended. Connecting a 0.5 Ω, 20 W burden resistor across each current transformer allows the current transformers to be disconnected from the terminal strip with the prime mover running, after removing all load.

If the temporary burden resistors described above are not used

the prime mover MUST be shut down in addition to removing the load in the following procedure. Monitor the load sensor output in this procedure by connecting an external computer and entering the Watch Window sheet for B** DISPLAY LOAD INFO ** sheet and observe 02 LOAD SENSOR INPUT (KW) Load Sensor calibration and monitoring. Since the kW calibration cannot be completed until the phasing is correct, the value shown is for reference only. The Load Sensor of the 2301D-ST will only read a small negative value.

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