Power Substation
What does a good grounding of the power substation and switching station really mean?
Provision of adequate grounding in a substation and switching stations are very important for the safety of operating personnel as well a electrical devices do not rise above tolerable thresholds and that the earth connection is rugged to dissipate the… Read more
Dec 18, 2017 | By Edvard Csanyi
Maintenance
Troubleshooting Transformer In Power Substation And Detailed Failure Investigation
Failure of transformer in power substation is not a sudden phenomenon, for that matter each and every failure will take place only after alerting through some pre-signs. If they went unnoticed or unattended will result in failure. Therefore it is… Read more
Nov 06, 2017 | By Edvard Csanyi
Energy and Power
How To Calculate and Draw a Single Line Diagram For The Power System
This technical article explains how to calculate and draw a single line diagram of the three-phase, 60-Hz system power system with generators, motors, transformers and lines. The following components comprise a simplified version of a power system, listed in sequential… Read more
Nov 01, 2017 | By Edvard Csanyi
Energy and Power
The Structure of Electric Power Systems: Energy Generation, Distribution and Transmission
From a general perspective, an electric power system is usually understood as a very large network that links power plants (large or small) to loads, by means of an electric grid that may span a whole continent, such as Europe… Read more
Oct 09, 2017 | By Edvard Csanyi
High Voltage
Seven design diagrams that every HV substation engineer MUST understand
A substation engineer should have a good understanding of the electrical equipment and layout of HV power substation. It’s also important to understand relationship between protection and the other equipment in the substations and the distribution system. Beside this, it’s… Read more
Oct 04, 2017 | By Edvard Csanyi
Energy and Power
Rules for power distribution in LV switchgear and protection of branch / distributed lines
In designing a power distribution concept, encompassing the sizing of systems and devices, it is essential to align the requirements and feasibility with both the end user and the manufacturer. The appropriate sizing of low-voltage switchgear necessitates an understanding of… Read more
Sep 20, 2017 | By Edvard Csanyi
Power Substation
Substation ownership demarcation between the utility and the plant (considerations & issues)
The substation ownership demarcation between the utility and the plant is very important and should be determined carefully. Specific ownership of the substation and associated equipment may be a complicated issue that may be determined by a number of conditions… Read more
Sep 18, 2017 | By Edvard Csanyi
Medium Voltage
How to specify real service conditions for LV/MV equipment inside a substation
The various service conditions for the MV equipment inside substation are linked to the design of the installation, the design of the operating room, the site and the application surrounding the installation, and finally, the seasons. The combination of these… Read more
Sep 13, 2017 | By Edvard Csanyi
Energy and Power
The essentials of MV/HV magnetic voltage transformers
Magnetic voltage transformers are used to provide a secondary signal that is proportional to the actual prevailing primary value. These signals are used to supply measuring instruments, meters, relays and other similar apparatuses. The primary values measured are system currents… Read more
Aug 14, 2017 | By Edvard Csanyi
Energy and Power
Ten equipment you MUST recognize in every distribution substation
Distribution substation is a substation from which electric supply is distributed to the different users. In a substation there are numbers of incoming and outgoing circuits each having its isolator, circuit breaker, transformers etc. connected to bus-bar system. These equipment… Read more
Aug 11, 2017 | By Edvard Csanyi
Energy and Power
The most common methods of measuring the resistance of an earth electrode
When an earth electrode system has been designed and installed, it is usually necessary to measure and confirm the earth resistance between the electrode and “true Earth”. The most commonly used method of measuring the earth resistance of an earth… Read more
Aug 09, 2017 | By Edvard Csanyi
Energy and Power
Practical advice for positioning of circuit breakers inside LV switchboard
Mounting of the different mechanical and electrical components (enclosures, busbars, functional units – circuit breakers, etc.) which constitute the LV switchboard defined by the original manufacturer must be carried out in compliance with the instructions (technical catalogue/assembly instruction manual) of… Read more
Aug 07, 2017 | By Edvard Csanyi
Energy and Power
MV network diagrams for feeding secondary switchboards and MV/LV transformers
Let’s take a look at the main MV network diagrams and structures used to feed secondary switchboards and MV/LV transformers. The complexity of the diagrams differs, depending on the level of power supply security required. Note that there are many… Read more
Aug 04, 2017 | By Edvard Csanyi
Energy and Power
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Reactive power and power factor measurement in industrial plant
A varmeter is used to measure the reactive power in an industrial plant that is supplied by an 8300-V, three-phase, four-wire line. The plant load is estimated to be 300 kVA at 0.8 pf. Design a suitable measuring system. The…...
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Jul 31, 2017 | By Edvard Csanyi
Power Substation
3 greatest enemies to the transformer operation (and how to prevent them)
The principal object of transformer maintenance is to maintain the insulation in good condition. Moisture, dust and excessive heat are the main reasons of insulation deterioration and avoidance of these will keep insulation in good condition. Heat and contamination are… Read more
Jul 28, 2017 | By Edvard Csanyi
