Search

Premium Membership

Learn about power engineering and HV/MV/LV substations. Study specialized technical articles, papers, and electrical engineering video courses.

Monthly Archive for: «March, 2014»

Underfloor cable systems explained in details

It should be understood that the generic term ‘underfloor’ applies to products designed for such use but which may well be used in other environments where the protection is appropriate. Ducts and risers, and within… Read more

Mar 24, 2014 | Edvard

Underfloor cable systems explained in details

Electrical Design Project of a Three Bed Room House (1)

Electrical design is not an easy task. It requires a lot of expertise. Detailed study is needed prior to installation work. The engineer must consider quality and any specific requirements together with price. Different options… Read more

Mar 21, 2014 | Sufi Shah Hamid Jalali

Electrical design project of a three bed room house (Part 1)

Hey Mom, look at that big HVDC Transformer!

HVDC transformers are key components of HVDC stations. HVDC converter and inverter stations terminate long-distance DC transmission lines or DC sea cables. This type of transformer provides the interface between AC grids and high power… Read more

Mar 19, 2014 | Edvard

Hey Mom, look at that big HVDC Transformer!

Let’s start learning the PLC programming

For managing and control of the electrical systems there once were used electromechanical relays. In time as tehnology advanced came and PLC devices (Programable Logics Controlers). Advantage of an PLC devices over relays is that… Read more

Mar 17, 2014 | Vlada Markovic

Let's start learning the PLC programming

How To Locate Current Transformers in HV Substation

Current transformers are used for protection, instrumentation, metering and control. It is only the first function that has any bearing on the location of the current transformer. Ideally the current transformers should be on the power… Read more

Mar 14, 2014 | Edvard

Siemens High Voltage Instrument Transformers

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 Class Applications 0.1 To 0.2… Read more

Mar 10, 2014 | jiguparmar

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 of the current. At rest… Read more

Mar 07, 2014 | Edvard

Motor Starting via Chokes or Resistors

Total Losses in Power Distribution and Transmission Lines (2)

Continued from first part: Total Losses in Power Distribution & Transmission Lines (1) There are two types of transmission and distribution losses: Technical losses (explained in previous part) Non-technical losses (commercial losses) Non-technical losses are… Read more

Mar 03, 2014 | jiguparmar

Total Losses in Power Distribution and Transmission Lines (Photo taken my Michael Kappel)


EEP Academy Video Courses

The learning platform for LV/MV/HV electrical engineers. Learn from experienced engineers and sharpen up your knowledge.