Transmission Line Fault Monitoring

7/29/2019 Transmission Line Fault Monitoring

1/16

BY:

VISHU KUMAR

1HK08EE055

Internal Guide: WASEEM KHANUM


2/16

INTRODUCTION Transmission line fault is monitored.

The steady state operating mode of a power system is

balanced 3-phase ac.

When the insulation of the system fails at one or morepoints or a conducting object comes in contact with a live

point , a short circuit or fault occurs.

We indicate the fault on LCD. These faults are monitoringby using microcontroller.


3/16

BLOCK DIAGRAM


4/16

Precautions:

While wiring, assembly and installation of the circuitmake sure that you

Use good quality wires. Use good quality relay

Iron soldering temperature should be below 350degree cent.

Use good quality soldering wire.


5/16

BASIC COMPONENTS

There are number of basic components , using in thisproject these are

(i). Power Supply for the circuit.

(ii) . Voltage regulator (iii). Diode

(iv). Rectifier

(v). Transformer.

(vi). Resistors. (vii). Capacitors.

(viii). Micro controller 8051

(ix). Lcd display


6/16

TYPES OF FAULTS OCCURING IN

TRANSMISSION LINES Transient fault

Persistent fault

Symmetric fault

Asymmetric fault


7/16

DESCRIPTION OF POWER SUPPLY:


8/16

WORKING Centre tapped step down transformer, diode,

electrolyte, voltage regulator are the componentsused.

First 220v ac supply given to the centre tappedtransformer which step down the 220v ac supply in to

12v ac supply.

After step-down transformer we use rectifier to convertac supply in to dc supply.


9/16

For rectification of power we use diode which rectifies acsupply into dc supply.

After rectification of power its converted in dc but this dc ispulsating so we use electrolyte which gives the static dc.

Voltage regulator gives the 5v dc supply to the circuit and

again gives to the electrolyte circuit to give static dc.

Then we connect power supply circuit to the vcc ofmicrocontroller.


10/16

MICROCONTROLLER


11/16

8-bit data bus

16-bit address bus

32 general purpose registers each of 8 bits

16 bit timers (usually 2, but may have more, or less).

3 internal and 2 external interrupts.

Bit as well as byte addressable RAM area of 16 bytes.

Four 8-bit ports, (short models have two 8-bit ports).

16-bit program counter and data pointer


12/16

ADVANTAGE OF SYSTEM:

Conventional fault detectors response is slow in nature and even they mightnot be able to detect the fault due to low level of fault current. However,designed network could perform well even in the presence of considerableamount of fault resistance.

It is more accurate, reliable, than conventional system.

Minimize the energy consumption of distributed sensor participating in faultmanagement.

By this system short circuit faults are relatively easy to detect and locate the

fault position.

We can also protect transformer using overheating device and position oftransformer also locate.

It is easy to install and use in system refurbishment.


13/16

DISADVANTAGES Expensive compare to other fault detectors.

Corona Effect.

Continuous observation required.


14/16

CONCLUSIONWe can use the wireless technique for fault indication.

This model can be modified for long distancetransmission faults.

With the help of this model we can determine the

location of a fault on a transmission line between amaster station and a remote station.


15/16

REFERANCEShttp://electronics.howstuffworks.com/battery.htm

http://everything2.com/e2node/Lithium%2520ion%2520battery

http://www.batteryuniversity.com

http://news-service.stanford.edu/news/2008/january9/nanowire-010908.html

http://www.nano.gov/html/research/industry.htmlhttp://en.wikipedia.org/wiki/Buckminster_Fuller

http://www.nanowerk.com/spotlight/spotid=5210.php
http://electronics.howstuffworks.com/battery.htmhttp://everything2.com/e2node/Lithium%20ion%20batteryhttp://everything2.com/e2node/Lithium%20ion%20batteryhttp://www.batteryuniversity.com/http://news-service.stanford.edu/news/2008/january9/nanowire-010908.htmlhttp://news-service.stanford.edu/news/2008/january9/nanowire-010908.htmlhttp://news-service.stanford.edu/news/2008/january9/nanowire-010908.htmlhttp://www.nano.gov/html/research/industry.htmlhttp://en.wikipedia.org/wiki/Buckminster_Fullerhttp://www.nanowerk.com/spotlight/spotid=5210.phphttp://www.nanowerk.com/spotlight/spotid=5210.phphttp://en.wikipedia.org/wiki/Buckminster_Fullerhttp://www.nano.gov/html/research/industry.htmlhttp://news-service.stanford.edu/news/2008/january9/nanowire-010908.htmlhttp://news-service.stanford.edu/news/2008/january9/nanowire-010908.htmlhttp://news-service.stanford.edu/news/2008/january9/nanowire-010908.htmlhttp://news-service.stanford.edu/news/2008/january9/nanowire-010908.htmlhttp://news-service.stanford.edu/news/2008/january9/nanowire-010908.htmlhttp://www.batteryuniversity.com/http://everything2.com/e2node/Lithium%20ion%20batteryhttp://everything2.com/e2node/Lithium%20ion%20batteryhttp://electronics.howstuffworks.com/battery.htm


16/16

THANK

YOU

Documents

Transmission Line Fault Monitoring