Edvard Csanyi
1671 awesome technical articles
Electrical engineer, programmer and founder of EEP. Highly specialized for design of LV/MV switchgears and LV high power busbar trunking (<6300A) in power substations, commercial buildings and industry facilities. Professional in AutoCAD programming.
Smart Grid
Electric Vehicles and the Smart Grid
Another source of urgency for the smart grid is meeting goals for getting more “clean” cars and vehicles on the road. Electric vehicles largely eliminate greenhouse gas emissions from vehicle… Read more
May 30, 2012 | By Edvard Csanyi
Industrial Automation
Using MODBUS for Process Control and Automation (1)
MODBUS is the most popular industrial protocol being used today, for good reasons. It is simple, inexpensive, universal and easy to use. Even though MODBUS has been around since the… Read more
May 21, 2012 | By Edvard Csanyi
Energy and Power
Special considerations when selecting transformer protection
Current transformer ratio selection and performance require special attention when applying transformer protection. Unique factors associated with transformers, including its winding ratios, magnetizing inrush current, and the presence of winding… Read more
May 19, 2012 | By Edvard Csanyi
Electrical Lectures
Power Measurement In AC Circuits
Power measurement in AC circuits can be quite a bit more complex than with DC circuits for the simple reason that phase shift complicates the matter beyond multiplying voltage by current… Read more
May 15, 2012 | By Edvard Csanyi
Energy and Power
Introduction to instrument transformers
Instrument transformers (ITs) are designed to transform voltage of current from the high values in the transmission and distribution systems to the low values that can be utilized by low… Read more
May 14, 2012 | By Edvard Csanyi
Energy and Power
Overvoltages Caused by Indirect Lightning Strokes
A direct stroke is defined as a lightning stroke when it hits a shield wire, a tower, or a phase conductor. An insulator string is stressed by very high voltages… Read more
May 08, 2012 | By Edvard Csanyi
Medium Voltage
Bus Switching Configurations In Air Insulated Substations (AIS)
Various factors affect the reliability of a substation, one of which is the arrangement of the switching devices. Arrangement of the switching devices will impact maintenance, protection, initial substation development,… Read more
May 05, 2012 | By Edvard Csanyi
Energy and Power
Using AC and DC together in electrical system?
There are a number of issues to using AC and DC together in the same electrical system. Briefly, they are: circuit boxes and hardware, outlets, wiring schemes and sizes, and switches. The Electrical… Read more
May 05, 2012 | By Edvard Csanyi
Energy and Power
Types of Residual Current Devices (RCD)
For domestic applications only the first five of the below listed residual current devices (RCD) need to be considered. For industrial and commercial buildings all of the classifications need to… Read more
May 03, 2012 | By Edvard Csanyi
Energy and Power
Time relays setting ranges explained in details
Time relays are used in control switching operations involving time delay. Most of these time relays have multiple time setting ranges and most of them are explained below. Time relays… Read more
Apr 30, 2012 | By Edvard Csanyi
Energy and Power
Overview Of Electrical Loads In Building
The electrical design professional should determine a building’s electrical load characteristics early in the preliminary design stage of the building to select the proper power distribution system and equipment having… Read more
Apr 27, 2012 | By Edvard Csanyi
Lighting
Light Emission Depreciation
Illuminance provided initially by a lighting installation will decrease in a gradual way during its use due to a reduction in lamp lumens, to lamps which burn down, and to… Read more
Apr 24, 2012 | By Edvard Csanyi
Transformers
What is the best transformer coolant?
One of the main sources of losses and reasons for temperature rise in various parts of a transformer are the magnetic circuit and windings. So what are the actually reasons… Read more
Apr 20, 2012 | By Edvard Csanyi
Metering
Analog Data Acquisition with Transducers
Transducers measure power system parameters by sampling instrument transformer secondaries. They provide a scaled, low-energy signal that represents a power system quantity that the SA interface controller can easily accept…. Read more
Apr 19, 2012 | By Edvard Csanyi
Energy and Power
System protection and safety coordination definitions
The objective of system protection is to detect faults and to selectively isolate faulted parts of the system. It must also permit short clearance times to limit the fault power… Read more
Apr 16, 2012 | By Edvard Csanyi
