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Monthly Archive for: «March, 2014»

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… 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… Read more

Mar 17, 2014 | Vlada Markovic

Let's start learning the PLC programming

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 | 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… Read more

Mar 07, 2014 | Edvard

Motor Starting via Chokes or Resistors


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