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.
High Voltage
Gas-Insulated Transmission Line (GIL) System Design
GIL systems are based on the successful SF6 tubular conductor technology, which has been around for several decades. GIL consist of a central aluminum conductor with a typical electrical cross… Read more
Oct 17, 2012 | By Edvard Csanyi
Energy and Power
Simplify Downstream Installation with Cascading
Cascading provides circuit breakers placed downstream of a limiting circuit breaker with an enhanced breaking capacity. The limiting circuit breaker helps the circuit breaker placed downstream by limiting high short-circuit… Read more
Oct 16, 2012 | By Edvard Csanyi
Transformers
Heating of the Dry-type Transformer
Although transformers can be classified by core construction (shell or core type), the more functional types of standardized classifications are based on how the transformer is designed for its specific… Read more
Oct 15, 2012 | By Edvard Csanyi
Lighting
Difference Between Diffuse and Directed Light
Having dealt with light quantity, conside-ration must be given to the quality of light, the difference between diffuse light and directed light being one of the most important aspects. We… Read more
Oct 13, 2012 | By Edvard Csanyi
Energy and Power
NEC Requirements for Emergency Systems
Emergency systems are generally installed in buildings that are or can be occupied by 1000 or more persons or are more than 75 ft high. These are buildings where artificial… Read more
Oct 12, 2012 | By Edvard Csanyi
Power Substation
Switching Impulse Test of the Transformer
The switching impulse test is applied to confirm the withstand of the transformer’s insulation against excessive voltages occurring during switching. During the switching impulse voltage test, the insulation between windings… Read more
Oct 11, 2012 | By Edvard Csanyi
Energy and Power
Fire-Fighting Precautions in Power Substation
The layout of the plant and the design of the building play a major part in reducing the spread of fire and the effect of explosions. For example, equipment and… Read more
Oct 09, 2012 | By Edvard Csanyi
Energy and Power
Disturbances In LV Networks Due To Surges
There are two types of surge: those generated by a lightning impact and those resulting from electrical switchgear switching operations. Surges resulting from lightning strokes (see figure below) can affect… Read more
Oct 06, 2012 | By Edvard Csanyi
Energy and Power
How to Protect Capacitor Banks?
Capacitor banks are used to compensate for reactive energy absorbed by electrical system loads, and sometimes to make up filters to reduce harmonic voltage. Their role is to improve the… Read more
Oct 05, 2012 | By Edvard Csanyi
Industrial Automation
Basic steps in PLC programming for beginners
The first step in developing a control program is the definition of the control task. The control task specifies what needs to be done and is defined by those who… Read more
Oct 04, 2012 | By Edvard Csanyi
Transformers
Dry Transformer Percent Impedance Definition
The percent impedance is the percent voltage required to circulate rated current flow through one transformer winding when another winding is short-circuited at the rated voltage tap at rated frequency. %Z is related… Read more
Oct 03, 2012 | By Edvard Csanyi
Energy and Power
Definitions of Abnormal Voltage Conditions
A sag is a temporary reduction in the normal AC voltage. A momentary sag is a variation, which lasts for a period of 0.5 cycle to about 2 s usually the… Read more
Oct 02, 2012 | By Edvard Csanyi
Transformers
Right Choice of Dry Type or Liquid-Filled Transformer
1. Two Types of Transformers 2. Cooling and insulating system 3. Losses 4. Operating Life of Transformer 5. Maintainability 6. Repairability 7. Core/Coil Reclamation and Recycling 8. Operating Sound Level… Read more
Sep 29, 2012 | By Edvard Csanyi
Energy and Power
How Sensitive Circuits Are Affected By Noise And What Can You Do About It?
Noise is only important if it is measured in relation to the communication signal, which carries the data or information. Electronic receiving circuits for digital communications have a broad voltage… Read more
Sep 26, 2012 | By Edvard Csanyi
Energy and Power
Inspection of Ground-Fault Protection Systems
This type of protection is defined by the NEC (National Electrical Code) to ensure protection against fire on electrical power installations. To ensure protection against fire: The NEC defines the… Read more
Sep 25, 2012 | By Edvard Csanyi
