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Power system protection

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Power system protection
STAMFORD UNIVERSITY BANGLADESH.
LAB-REPORT

COURSE CODE : EEE 458.
COURSE TITLE : POWER SYSTEM PROTECTION LAB.
PERFORMANCE DATE : 25.01.2010
SUBMISSION DATE : 13.02.2010

SUBMITTED TO : Mr. Shaikhul Arefin Khan.
Lecturer, Department of EEE, Stamford University, Bangladesh.

This report is Prepared on the base of Energypac study tour in Saver.

POWER SYSTEM PROTECTION LAB (FINAL REPORT)

OBJECTIVE:
The objective of this course is to study the protection of power system. In this course we take a study tour in Energypac, which is a very well known name in the electrical power generation and distribution equipment market in Bangladesh. THEORY:
To study the protection of power system at first we have to understand …

* What is power system protection & it’s purpose?
* Component’s of protection system?

What is power system protection & it’s purpose?
Power system protection is a branch of electrical power engineering that deals with the protection of electrical power systems from faults through the isolation of faulted parts from the rest of the electrical network. The objective of a protection scheme is to keep the power system stable by isolating only the components that are under fault, whilst leaving as much of the network as possible still in operation. Thus, protection schemes must apply a very pragmatic and pessimistic approach to clearing system faults. For this reason, the technology and philosophies utilized in protection schemes can often be old and well-established because they must be very reliable.

Every protection system is required to satisfy the following purpose…..

1. Reliability.
2. Selectivity.
3. Fastness of operation.
4. Discrimination.

1. Reliability : Reliability depends upon ,design , manufacture & maintenance of protection component increase it’s reliability.
2.
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