ABB RELION REX640 Technical Manual page 519
Protection and control
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Also See for RELION REX640:
- Technical manual (1760 pages) ,
- Operation manual (164 pages) ,
- Engineering manual (156 pages)
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1MRS759142 F
Figure 299: Measured current as a function of the rotor earth-fault resistance with
various field-to-earth capacitance values with the measuring circuit resistance Rm =
3.0 Ω, fn = 50 Hz. Only one coupling capacitor is used.
4.2.5.7
Signals
REX640
Technical Manual
Protection functions
519
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