Maintenance professionals may not realize how using vibration sensors can improve facility efficiency. Learn about which industrial sectors can benefit from vibration sensors.
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The electrical power issues that most frequently affect industrial plants include voltage sags and swells, harmonics, transients, and voltage and current unbalance.
Most problems with single-phase motors involve the centrifugal switch, thermal switch, or capacitor(s). If the problem is in the centrifugal switch, thermal switch, or capacitor, the motor is usually serviced and repaired. However, if the motor is more than 10 years old and less than 1 HP, the motor is usually replaced. If the motor is less than 1/8 HP, it is almost always replaced.
With the push to energy independence and renewable energy sources, HVAC technicians need to know how to troubleshoot photovoltaic systems
Steps for measuring ac voltage with a digital multimeter.
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Steps for measuring continuity.
Battery impedance is a combination of internal resistance and reactance where internal resistance + reactance, or (L+ C), equals impedance when using an ac stimulus.
Steps for using a multimeter in the Diode Test mode.