Instruments for in-depth testing and scheduled maintenance include Surge tester Rotor test Polarization index test Step voltage test High-potential test (hi-pot) Power quality test instruments Power factor meter Vibration monitoring sensors FIGURE 8.8 A stethoscope used to pinpoint problems. SKF USA Inc. Laser alignment Particle analysis Surge Tester The surge tester (Fig. 8.9) has the […]
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