Search

Premium Membership

Save 15% on Pro Premium Plan with discount code: UX778 (expires on September 31st). Study specialized LV/MV/HV technical articles and papers.

Technical Articles

Energy and Power

Electrical Thumb Rules You MUST Follow (8)

Accuracy Class of Metering CT Accuracy Class Letter of CT Accuracy Class of Protection CT Continued from part 7: Electrical Thumb Rules You MUST Follow (Part 7) Metering Class CT… Read more

Mar 10, 2014 | By jiguparmar

Electric Motor

Motor Starting via Chokes or Resistors

The series-connected chokes (Figure 1) or resistors (Figure 2) reduce the voltage at the motor and hence also the starting current. The starting torque is reduced by around the square… Read more

Mar 07, 2014 | By Edvard

Motor Starting via Chokes or Resistors
Testing and Commissioning

Testing Procedures for HV Voltage Transformers

Equipment required for testing General inspection Insulation Resistance Test Polarity Test Transformer Turns ratio test Following equipment is necessary to perform testings: Polarity test kit Megger 500-5000V Ohmmeter Multimeter Autotransformers… Read more

Feb 28, 2014 | By Edvard

Testing Procedures for HV Voltage Transformers (photo credit: hvcafrica.com)
Energy and Power

Purposes and Examples of Safety Interlocking Devices

Most switchboards and motor control centres are fitted with a variety of electrical and mechanical safety interlocking devices. Their purposes are to protect against for example: Withdrawing the switching device while… Read more

Feb 05, 2014 | By Edvard

Purposes and Examples of Safety Interlocking Devices
Energy and Power

Conceptual Model of Smart Grid Framework by IEC

From a communication point of view, each system plays the role of either supplier or consumer of information, or more typically both. In addition to this intersystem communication, these systems… Read more

Feb 03, 2014 | By Edvard

Conceptual model of smart grid framework


EEP Academy Video Courses

Learn to design LV/MV/HV power systems through professional video courses. Lifetime access. Enjoy learning and don't forget to apply a 20% discount code SEP21