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This technical article describes single line diagrams of two typical power substations 66/11 kV and 11/0.4 kV and their power flow, principles of incoming lines (incomers) and outgoing lines (feeders),… Read more
Apr 17, 2019 | Edvard
High voltage substations are pretty complex to understand since they have a way too many elements and each element is complex for itself and it depends on many system parameters… Read more
Apr 15, 2019 | Edvard
Distribution systems are basically insecure – failure of a major component always leads to customer interruptions. So, what can be done? Reliable distribution systems minimize this impact by allowing faults… Read more
Apr 08, 2019 | Edvard
Grounding at power substations is extremely important. Grounding system provides the ground connection for the grounded neutral for transformers, reactors, and capacitors and also the discharge path for lightning rods,…...
Mar 29, 2019 | Edvard
This technical article deals with the devices that makes possible the interface with the primary process (e.g. cables and switchgear) in a secondary substations from a central point, like central… Read more
Mar 25, 2019 | Edvard
This technical article explains six most common bus configurations used for distribution, transmission, or switching substations at voltages up to 345 kV. Presented single line diagrams and layouts are generalized… Read more
Mar 18, 2019 | Edvard
Nowadays, the control house is one of the main parts in every modern HV switchyard and substation. Why? Simply, because substations have grown in complexity and equipment such as circuit… Read more
Mar 11, 2019 | Edvard
Primary distribution systems consist of feeders that deliver power from distribution substations to distribution transformers. A feeder usually begins with a feeder breaker at the distribution substation. Many feeders leave… Read more
Mar 06, 2019 | Edvard
One may wonder why are everybody talking more and more about automation in power distribution. Aren’t we already automated? Well, we are not. It can always be better, faster, with…...
Feb 28, 2019 | Edvard
Recognizing the type of transmission & distribution pylons and their equipment is kind of hard if you don’t know where to look for. There are many variations that look similar… Read more
Feb 20, 2019 | Edvard