presentation

Anonymous
timer Asked: Apr 13th, 2019
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Question Description

I need someone to help me to do a presentation about Voltage Sag and short interruptions . I will send you my written report and the proposal. I need you to read and understand the report.

you need to write in each point what should I say exactly. For example: hi everyone in this presentation. I will talk about ...................

you need to put figures or picture for each point ,

and can you only use the information on the report I send you,

and like what I said, I need you please to write exactly what I need to say, because I will read only what you write

and for Conclusion, can you write something like: In conclusion, the overview of what has been discussed are ................

My group is three-member so it should have three components.

You have to do a powerpoint presentation for 7 min.



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Proposal Voltage Sag and Short Interruptions The project majorly deals with power shortages and interruptions. Shortages of power and disruptions cause harm not only to humans but also to machines that are responsible for producing the vital commodity. The study describes and defines the difference between Voltage Sag and Short interruptions. Although they are the same, the two differ in many ways. While Voltage Sag is the sudden reduction of voltage from the nominal range that can last just milliseconds, short interruptions are a complete power outage that can last for about five seconds. As such, the scope of the paper is the different types of interruptions and what needs to be done when either is experienced. The study approach is from the perspective of a person knowledgeable with voltage sag and short interruptions. Some recommendations are made to curb the vice or menace when it occurs. One of the ways is to employ the use of Ferro Resonant Transformer (Cebrian, Kagan, & Milanović, 2018). The Ferro Resonant Transformer helps in regulating or reducing the effect of short interruptions and voltage sags. The transformer acts as a circuit breaker so that the impact of brief interruptions and voltage sag is not profoundly felt and does not damage any equipment. The transformer has a primary winding through which the line enters, compensating and a secondary winding; then it is neutralized at the neutralized winding. The expected outcome of the study is pretty apparent. The result is that short interruptions and voltage sag do not affect the distribution of power to the needed areas. The study delves into the preventive measures and incorporation of physical theories that will, in the end, enhance the productivity of power without worrying about short interruptions and voltage sag. The study is crucial as it shows the different engineering methods. In the group effects, our group are going to work all together to achieve the goals of this project and will all work together in the listing components for each one in the matter of introducing of the scope of the project, the study approach and lastly the expected out. However, for this proposal, we put the ideas and contribute equally, and we haven’t discuss it on who is going to take about the parts of the project as we are going to help each other in all the components in the topic of voltage sag and short interruptions References Cebrian, J. C., Kagan, N., & Milanović, J. V. (2018). Probabilistic estimation of distribution network performance with respect to voltage sags and interruptions considering network protection setting—Part I: The methodology. IEEE transactions on Power delivery, 33(1), 42-51. ...
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Tutor Answer

Mercury_H
School: Cornell University

Attached.

VOLTAGE AND SAG
INTERRUPTIONS
PRESENTED BY:

14TH APRIL 2019

INTRODUCTION
• Our presentation is based on voltage and sag interruptions.
• A voltage sag can be defined as a “sudden reduction of voltage from its nominal range for a period of
millisecond to few seconds, followed by a recovery to normal rated voltage”. Short Interruption, on the
other hand, is termed as complete outage of the power for a very small period of time.
• Shortages of power and disruptions cause harm not only to humans but also to machines that are
responsible for producing the vital commodity.
• The study describes and defines the difference between Voltage Sag and Short interruptions.
• The study approach is from the perspective of a person knowledgeable with voltage sag and short
interruptions.
• They are two factors that lead to a decrease in the efficient and electrical equipment to a significant extent.

THE FERRO RESONANT TRANSFORMER
The Ferro Resonant Transformer helps in regulating or reducing the
effect of short interruptions and voltage sags. The transformer acts as a
circuit breaker so that the impact of brief interruptions and voltage sag is
not profoundly felt and does not damage any equipment. The transformer
has a primary winding through which the line enters, compensating and a
secondary winding; then it is neutralized at the neutralized winding.

NORMAL AND SATURATION ZONES
• Ferro resonant transformers, due to their characteristics, are extremely
useful in responding and limiting the short circuit current. When the load
current exceeds about 150% of the rated current the unit goes in to “pulled
out mode” and output voltage decreases significantly thus saving the
connected load from any inrush current.

UNINTERRUPTABLE POWER SUPPLY
Uninterruptable power supply plays a very important role especially in data centers for
providing clean and harmonics free power supply to the critical load , thereby providing a
very strong backup for critical loads. UPS normally use batteries for storage of energy and
for providing backup in the event of power failure or voltage sag and interruptions. Most
commonly used UPSs in Manufacturing and Processing Plants are “Double Conversion
Online UPS” in which input power is ...

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Anonymous
Thanks, good work

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