Synchronous motor: field regulation techniques

April 26th, 2016 | Make a comment | Posted in Energy Efficiency - motors
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Last time, D. Ros published a very interesting article about motors and drives. Today he’s at it again with synchronous motors and guess what? He proposed to publish a series of articles about motors! We thank him dearly.

If you want to contribute to the blog too, simply send us a mail

Synchronous machines are highly regarded in the industry for their unique applications of high mechanical power demand, power system control, and plant power factor correction.

However, the uniqueness of these applications has lead into different regulation techniques oriented to meet their specific requirements.

Ball Mill driven by Synchronous Motor

Figure 1: Ball Mill driven by Synchronous Motor

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Integrating IT in Electrical Systems and Tools

April 19th, 2016 | Make a comment | Posted in Power quality
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Our fellow member Marvin M. wants to tell us about IT (Information Technology) applied to electrical engineering today. An interesting topic you can read below.

And if you want to discuss a topic and to publish it on the blog, just send us a mail.

Electrical System

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Electrical Cable jointing procedures

April 14th, 2016 | Make a comment | Posted in Others
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electrical cables
Hello everybody, enjoy this article from one of our fellow members of the community! And if you have remarks or questions to ask, do post them in the comment section.

Joining electrical power cables can be as simple as twisting the wires and taping them or more detailed using a variety of inline adapters and connectors. The method used for a particular joint depends on the voltage, type of cable, type of joint, type of connector, application and other factors.

Regardless of the method used, it is important to have the proper tools and materials. Some of the key factors that ensure clean, safe and reliable connections are;

  • Using the proper size of the connector for the particular cable
  • Proper tools
  • Clean cuts and stripping
  • Restoring the insulation, armor and outer-sheath
  • Proper technique

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Detecting Underground Cable Faults

April 11th, 2016 | 2 Comments | Posted in Electrical Safety
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Hi everybody, it’s Steven Mill. I know it’s been a while since I haven’t published an article on the blog, but here I am. Today I want to tell you about underground cable faults and how to detect them. Ready?

detecting underground cable faults

In a power transmission and distribution system, cables serve the primary purpose of transmitting electrical energy from one point to another. A fault at any section of the cable system significantly reduces the functionality and integrity of the whole setup. This situation significantly escalates with underground cables, due to the location. With the power systems growing rapidly over the years, the number and length of cables has increased over the years…
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Frequency conversion in electrical power systems

April 7th, 2016 | Make a comment | Posted in Electrical distribution
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megaphone1

Hi everybody, let A.N (one of the professional from the community) tell us about frequency conversion in electrical power systems.

If you know a topic very well and you want to share the knowledge here, do like him and send the team a mail.

Introduction

The frequency conversion in electrical power systems is often required when the load is designed and rated for a different frequency other than that of the utility mains or from any other source. The frequency converters take in the AC power at one frequency and voltage and then provide an output power at a different frequency, and equal or different voltage.
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