Emi Electronic counter measure (ecm) Issues in Smart Main grid

 Emi Emc Issues in Smart Grid Essay

EMI-EMC of Smart Main grid Systems

Umair Aftab#1, Fazal-e-Rehman Khan*2, Junaid Malik#3, Muzaffar Khan#4 Hassam Ali Khan#5 #

Section of Electric Engineering, University of Electric powered Engineering and Computer Savoir NUST Countrywide University of Sciences and Technology Campus H-12 Islamabad #44000 Pakistan 1

[email protected] edu. pk

[email protected] edu. pk


[email protected] edu. pk


Abstract— With world going towards clever solutions,

particularly smart main grid and smart-intelligent buildings, normally comes an exponential increase in the inlayed and integrated electrical systems. This also brings on an inherent issue of above flooding from the space with such signals. The tremendous overflow of electrical transmission throughout the cities, particularly in and around the complexes, there's a serious concern about its results both for the near working appliances and human and

building security.


As the infrastructure becomes more reliant on this kind of

technologies, a lot of the fundamental jobs will be

automated. But with wide variety of this sort of systems working

simultaneously and close vicinity puts something mark on the reliability. We will talk about such issues in our review. We is going to focus on the mobile devices component of the sma rt main grid and complexes and its effects on the built-in smart

appliances and the Electro-magnetic compatibility and

interference concerns and problems countered and faced inside the development of this kind of systems which usually enable such a smart grid

power facilities to talk and co-ordinate among

the many components of the system which enable it to


A. Wi-Fi based Clever Networks:

Wi-Fi is a shared medium that operates in the unlicensed

RFs within the installment payments on your 4GHz and 5GHz selection. When an 802. 11

client device hears another signal, whether it is a Wi-Fi sign or not, it will defer transmission before the signal ceases.

Interference that happens during transmitting also triggers

packet damage, which causes Wi-Fi retransmissions. These

retransmissions slow throughput and cause wildly

rising and falling performance for all those users showing a given gain access to point (AP).

B. Power Line Connection:

Power line communications will be systems for carrying data

on a conductor also used for energy transmission.

Electrical power is sent over lengthy distances employing high voltage indication lines, sent out over channel voltages, and used inside buildings in lower concentration. PLC technology limit themselves to one set of wires, sometimes can combination

between two levels (for example, both the distribution

network and premises wiring). Typically transformers prevent propagating the signal, which will requires multiple technologies to form very large systems.

C. Fibers Optic Conversation Networks:

In Fiber Optic Lines, the sunshine forms an electromagnetic

carrier wave that is modulated to carry information. The main benefits of fibers are it is exceptionally low loss (allowing long ranges between amplifiers/repeaters), its a shortage of ground power and other parasite signal and power problems common to very long parallel electrical conductor operates (due to its dependence on mild rather than electrical energy for transmitting, and the dielectric nature of fiber optic), and its inherently high data -carrying ability.

D. GSM and RF based Intelligent Networks:

In a cellular system like GSM, frequency re-use is accomplished

by determining a subsection, subdivision, subgroup, subcategory, subclass of the total number of channels available to every base station, and controlling the power output of the transmitters. In this way, cell networks maximize capacity (number of programs available to users). Adjacent skin cells are not allowed to operate exact same frequency due to the fact that this causes

interference. Decreasing the cell size increases the consistency of handovers, since a moving cell phone would be

changing cells more frequently. Since the MSC needs the perfect time to

switch (for handovers), raising the handovers will increase time delay.

2. SMART...

Referrals: International Telecommunication Union. 19 October, 2009. 1 . 15.

Garcia Villegas, E.; et al. (2007). " Effect of adjacent -channel

interference in IEEE 802. 11 WLANs"

(2002) The IEEE web page. [Online]. Available: http://www.ieee.org/

[1] CISPR: International Unique Committee on Radio Disturbance

Powerline Marketing communications Network Design, John Wiley & Kids, Ltd,




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