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Technical Articles

Electric Motor

How to measure insulation resistance of a motor

If the motor is not put into operation immediately upon arrival, it is important to protect it against external factors like moisture, high temperature and impurities in order to avoid… Read more

Jun 09, 2014 | By Edvard

How to measure insulation resistance of a motor
Electric Motor

PLC application for reduced voltage-start motor control

Figure 1 shown below illustrates the control circuit and wiring diagram of a 65% tapped, autotransformer, reduced-voltage-start motor control circuit. This reduced voltage start minimizes the inrush current at the start… Read more

Jun 04, 2014 | By Edvard

PLC application for reduced voltage-start motor control (photo credit: dmaeuropa.com)
Energy and Power

Generating Electricity with Combustion Turbines

There are two basic types of combustion turbines (CTs) other than the microturbines: The heavy frame industrial turbines and The aeroderivative turbines. The heavy frame systems are derived from similar… Read more

May 28, 2014 | By Edvard

Energy and Power

Arriving at the scene of a pole fire. What to do?

Utility pole fires are common and should be treated with great respect by firefighters. Pole fires are normally caused by the failure of insulators, switches, catastrophic failure of transformers or… Read more

May 21, 2014 | By Edvard



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