Challenges, opportunities, constraints and innovations
Grand designs did not start with a grand idea. Evolution is always a big factor in achieving the great fate brought about by a successful project. As one of my …
Implementing Type 2 Coordination to Improve the Performance of the Motor Control Center
This paper presents the criteria in the selection and coordination of motor control centers (MCCs) components to comply with the requirements for motor service continuity in the most of industrial …
Traits of Successful Design Engineers
What is an Engineer? An engineer is a professional who invents, designs and maintains machines, structures and information systems. Engineers adheres to the client’s specifications, budget and timeline. Engineers are …
What is an Effective Grounding?
Effective grounding is essential to: Prevent the enclosure of an electrical equipment and its connected conductors rising to a potential dangerously above that of its surroundings or ground. If the …
Voltage Levels – IEC 61000-3-6
As far as I know, IEC has not mentioned medium voltage in any of its standards except in IEC 61000-3-6. The following table provides the different voltage levels as per …
Asynchronous (Induction) Motor Data – IEC 60909
Design engineers most of the time will refer to induction motor manufacturer’s data as an input to their design. This practice is totally acceptable. In the absence of a manufacturer’s …