Electrical Lectures
11-step procedure for a successful electrical circuit design (LV project example)
Let’s take an example of electrical circuit design. A consumer lives in a bungalow with a detached garage and workshop, as shown in Figure 1. The building method is traditional… Read more
Jul 19, 2017 | By Edvard Csanyi
Energy and Power
Practical solutions for preventing ferroresonance in electrical installations
Ferroresonance is a non-linear resonance phenomenon that can affect power networks. The abnormal rates of harmonics and transient or steady state overvoltages and overcurrents that it causes are often dangerous… Read more
Jul 17, 2017 | By Edvard Csanyi
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Practical methods of reducing noise and interference on cables
A few practical methods of reducing noise will be examined in this technical article. These include a quantitative consideration of the effects of shielding, cable spacing, earthing (or grounding) and…...
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Jul 15, 2017 | By Edvard Csanyi
Electrical Lectures
Easy understanding of 3-phase transformer connections (Delta–Delta, Wye–Wye, Delta–Wye and Wye–Delta)
Three-phase voltage transformations can be accomplished by using three phase transformers, which are single devices with all windings constructed on a single iron core. They also can be accomplished by… Read more
Jul 14, 2017 | By Edvard Csanyi
Transmission and Distribution
Automation of secondary distribution networks in rural areas
The challenges in network automation for rural areas are similar to those in urban areas, however the network topology may be very different. A typical conventional network topology is shown… Read more
Jul 12, 2017 | By Edvard Csanyi
Maintenance
How do faults develop in a HV transformer and why condition monitoring is important
Condition monitoring equipment that can be used to extend the life of a transformer or to prevent catastrophic failure could pay for itself many times over. However, condition monitoring does… Read more
Jul 10, 2017 | By Edvard Csanyi
Medium Voltage
The basics of capacitor banks protection
As you already know, capacitor banks are normally used in medium voltage networks to generate reactive power to industries etc. Capacitor banks are, almost always, equipped with a series reactors… Read more
Jul 07, 2017 | By Edvard Csanyi
Energy and Power
How choice of system earthing affects low voltage switchgear?
Choice of system earthing affects not only dependability (in the largest sense) but also installation, in particular with respect to the low voltage switchgear to be implemented. The three system… Read more
Jul 05, 2017 | By Edvard Csanyi
Energy and Power
Power quality monitoring with line disturbance analyzers and voltage recorders
Many power quality problems are caused by inadequate wiring or improper grounding. These problems can be detected by simple examination of the wiring and grounding systems. Another large population of… Read more
Jul 03, 2017 | By Edvard Csanyi
Energy and Power
System earthings and incidents on MV side that result in LV disturbances
Low voltage networks, unless a replacement uninterruptible power supply (with galvanic insulation) or a LV/LV transformer is used, are influenced by MV. This influence takes the form of: capacitive coupling, galvanic… Read more
Jun 30, 2017 | By Edvard Csanyi
High Voltage
Three abnormal situations leading to an uncontrolled release of SF6 gas
This technical article deals with the assessment of risk to personnel in the case of an abnormal situation leading to an uncontrolled release of SF6 gas into the atmosphere. Generally… Read more
Jun 28, 2017 | By Edvard Csanyi
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Step by step calculation of overload and short circuit currents
In a heating system a motor-driven pump with a power of 200 kW, cos φ = 0.88, η = 0.93 is connected through an overhead cable with 1= 45 m…...
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This technical article/guide requires a Premium Membership. You can choose an annually based Plus, Pro, or Enterprise membership plan. Subscribe and enjoy studying specialized technical articles, online video courses, electrical engineering guides, and papers. With EEP's premium membership, you get additional essence that enhances your knowledge and experience in low- medium- and high-voltage engineering fields.Check out each plan’s benefits and choose the membership plan that works best for you or your organization.
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Jun 26, 2017 | By Edvard Csanyi
Energy and Power
2 types of synchronisers required on a power system with two supplies
Synchronisers are required at points on a power system where two supplies (either generator and grid, or two grid supplies) may need to be paralleled. They are more than just… Read more
Jun 26, 2017 | By Edvard Csanyi
SCADA
Why functional specification is essential for success of a SCADA project
Well documenting the SCADA system requirements is probably the single most significant contributor to the success of a SCADA project. It may seem obvious but let’s say it anyway: writing… Read more
Jun 23, 2017 | By Edvard Csanyi
Industrial Automation
Wiring tips for connections and routing inside industrial control panel
Wiring industrial control panels is a complex process and it needs a number of carefully planned and performed details. However, there are dozen of tips and advices on how to… Read more
Jun 21, 2017 | By Edvard Csanyi
