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TROUBLESHOOTING & REPAIR | ||
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TYPICAL OUTPUT VOLTAGE WAVEFORM
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This is the typical DC open circuit volt- age waveform generated from a proper- ly operating machine. Note that each vertical division represents 20 volts and that each horizontal division represents 2 milliseconds in time. The machine was loaded with a resistance grid bank. The grid bank meters read 600 amps at 44 VDC.
Note: Scope probes connected at
machine ouput terminals: (+) probe to positive 1000 Amp terminal,
SCOPE SETTINGS
Volts/Div. . . . . . . . . . . . . 20 V/Div. Horizontal Sweep . . . . . 2 ms/Div. Coupling . . . . . . . . . . . . . . . . . DC Trigger . . . . . . . . . . . . . . . Internal
