14th DAY AT tnb~

Today we go to Kg. Pulau Gajah to find the "kedai besi".we need to make the "guard" for the transformer.It is very important to ensure we will be save in the p/e.

we also go to Dasarbina Konkrit Sdn.Bhd to do the maintanence job at its p/e. We need to fix the door as it already broken (kind of hard to open or close it).

"kedai besi"

the "pencawang elektrik".

they need to fix the door!

13th dAy aT tNb!

We have been told that there's a breakdown at Rantau Panjang.So we need to find the solution to fix it. Today we follow En.Syukri to trace the cable.Before that, we need to make hole because the cables are placed underground.we use the tractor to make our job easier and faster. We faced some problem because there are 13 cables and only one of them is broken!

there are 13 cables ..

thanx mr. tractor!

they need to be more careful because the cable brings 11kv!

12TH day at TnB!

We got an opportunity to meet En.Nasir and he explained a little bit about his department.Today he asked us to follow en.Mat to some p/e or pencawang elektrik to do some maintanence job. We need to make sure the p/e always in good condition atleast once in 3 months!

We go to some pencawang elektrik around Kota Bharu and learned new things from En.Mat.

In the p/e, there are 3 common things; switch gear,transformers,and feeders.There are many types of switch gears,transformers and feeders.

Let's find out the steps we got the electricity...

p/e a.k.a pencawang elektrik

1) from the switch gear,11kv

2)go to the transformer-11kv to 415v

3)the bussbar connect the incoming (at the left) to the feeders (A,B,C,D)

4)this is the feeders, 415v

5) and from the feeders, we can now distribute to the users...:)

En.Nasir also mention to us about they usually do their work at midnight "shutdown" because it will disturb our customers.we must know how to read the waves because it will show where the fault comes from..

this is what we called "locate fault test set".(up and down)

11th day at tNb!

Around 8 am we go the new department to see our new advisor.Unfortunately he is not in because there's a breakdown at Subuh time. Because of not enough worker,because some of the workers involved in TNB's Sport Carnival,they can't do their job.We supposed to go to Wakaf Setan, Kubang Kerian to placed some electric poles.

We looked around the office and learned about types of pencawang.;

pencawang "outdoor"

this is switch gear

pencawang elektrik atas tiang


2 transformers in the building

and lastly, this is pencawang "indoor"

10th daY at TNB!

We arrived at Kadok around 10am. 3x185+120+16 cabled is used.we want to put fuse switch disconnecter a.k.a "black box" to make it as the off point.We need to do this because of some place got the low voltage .We need to take the voltage from the higher voltage.

It takes some time to complete the task because of some problem.The tower wagon can't function well,the person in the tower can't control the movement so we need another person to control it at the bottom.

The "black box" should be 3.5 m from the ground and we usually put it at the electric pole.While doing the off point, we use 3 fuses with 200 A each as the "battery".We also have been told that there are 2 types of "black box" which is size 400 and 160...

After completed the task. We met en.Zahrudin to learn how to calculate total current load (TCL), load factor (LF), diversify factor (DF), maximum demand (MD), and how to choose the suitable transformers.

the tower wagon is "sick"...;p
the "black box" and the cables

the process to make "off point" a bit complicated..

day 9 at tNB ^^

We have a short meeting between the workers under department of "Senggaraan SAVR,lampu awam dan pusat pengurusan bekalan".En.Zahrudddin asked his workers to be more hardworking and discuss with him if faced any problems.

Next we go to Kubang Kerian to upgrade the electric poles.We need to change or add another 10 electric poles!

done!
we have some difficulties because the place is quite "sempit".

ready to go~

as usual, we need to take the electric poles.

day 8 AT TNB~

We use western ladders to replace the cables!

burn insulation at one of the house around Jalan Telipot.We need to repair the insulator; add or cover with another insulator..!

we go to Kg.Padang Sakar to bring down the cable because the villager want to cut down the tree.The size of the cable is 3x70mm 2 span.

this is the "complaint letter"

the third place we go today is Lorong Taqwa,Kg Huda because of the breakdown. we find that the main reason breakdown which is no electricity happend because of the burn insulation.It can happend because of the high voltage!

*we also get an opportunity to asked the technicians about many things..for example, we learn the stay sizes;which are 7/10,/12 and 7/8.the function of the stay is to avoid the electric pole from falling down .the stay is divided into 3;stay insulator,rod, and "stay bold and deedal".

*there are many types of ipc (insulation piercing collector) which is 185/16,185/120,95/70 and 3/16/25.

*there are 3 types of dead end clamp; 120mm-185mm, 70mm-395mm,and 25mm-3/16..

dAY 7 At TNB

brEakdown because of the burn insulation!

12 electric poles ~

AWAS!

before we go to sites, we need to take the electric poles okey~

-Gathered at tNb Lundang

-we have a visit from HRPZII( Hospital Raja Perempuan Zainab 2) to give us the "vaksin" to defend from H1N1!

-next we go to Ketereh. (continue the 5th day task). We need to add another 12 electric poles because the villagers faced the problem of low voltages..

-we follow en.Zahruddin and one of the worker to check the breakdown. It happend because of the burn insulation.He says that it might happend because of overload.So, we need to inform TNB if we want to add or use more electricity than we used to have...~check out the pictures of the day~

dAy 6 AT tnB

*this is how en.Zahruddin explain about the schematic!*

Today we can't go to sites because the worker need to attend a meeting.Luckily en.Zahruddin spend some time to explain about schematic diagram.Now i am more familiar about how we get the electric supply.As we already know, there are 3 main things we need to understand; generation,transmission and distribution.

the function of the generation is to provide total power needed.they are connected at common point called bus.

while transmission is important to transfer electric energy from generating units at various location to distribution system which ultimately supplies the load.

next is the distribution part, which connects the distribution substations to consumer's service-entrance equipment.

for your imformation, loads is divided into industrials,commercial and residential.Large indutrial loads are served directly from subtransmission network, and small industrial loads are served from primary distribution network.

Alhamdulillah..that's all for today...;)

5tH daY at tNb ~

*lOts oF thiNgs We lEarn tOday*

check out the address...and what's next to it?..heee..~
work hard ok~

hurmmmmm...~

schematic 11 kv for Kota Bharu

shematic 33 kv for Kelantan

the symbols~

types of lines for 33kv

colour codes for the voltages

numbers of breakdown!

some plans to reduce the breakdown...~

every sunday morning,before we go to the sites, we have a role call with the bosses there.Today, we need to introduce ourselves in front.Luckily the workers there very sporting..hehee..~

next we go to the office to meet en.Zahruddin b. Mat Yaakub .It is our 1st time meeting him even we have been practical here for a week already.It is because he is a very busy man and always not in his office. He explain a little bit about what we need to do and learn in his department,which is "Senggaraan SAVR, Lampu Awam,dan Pusat Pengurusan Bekalan".In our time table, it states that we need to be in this department from 6th till 17th of April.But he said that we can learn many things here.So, he suggested us to come to this department if other department got many "free time".he said that we can't really joint or learn from other's department because of technical problem.Such as the activity is at night or they work too far from here,as our working hour is 8 am till 5 pm and at the Kota Bharu area only. He also explained to us about TNB's website which is http://livewire.hq.tnb.com.my/ .There are many informations we can get from the websites. He also explained to us about how TNB's received complaints from the customers. The public can use three methods: they can call us via 15454,message using those numbers or they can contact via online.

Next we follow the technicians to Ketereh. We want to supply the electric power to the villagers because of low voltages.So, we need to add the power.We need to add 22 electric poles.We learn how to put the electric pole into the ground. We use crane hooker to make the holes and placed the electric pole into the ground.The length for the underground is 1.5 m and around 5.4 m above the ground.

we also got a task from our advisor,which is en.Zahruddin. He asked us to learn and understand the schematic diagram. Around 3 pm,after having our zuhur prayer, we go to Pusat Pengurusan Bekalan to see the shematic diagram in Kota Bharu and Kelantan. We asked en.Zainal to expained about the diagram.

well thats all for today...:)

4th day at tnB (part 2)

around 9.30 am we have our breakfast at the food stall...our mission today is to replace the electric pole because the pole is just in front of the shop named "Smart Laundry".It is situated in Jalan Pintu Geng, Kota Bharu.The owner of the laundry shop made a complaint about it because they got some difficulties to park their transport and they need to transfer many thing into the shop.

we used equipments like crane auger to make a hole at the new place for the electric pole. I find that the TNB's worker were very helpful and cooperate with each other in order to settle the task given.Today we learn how to connect the cable to make it longer.there are 2 different ways to do it...it called married joint(check out the picture). after that we must cover the conductor using sellotape as the insulator.

Next we go to Kampung Kuala Bala because we got a complaint from one of the villager.He said that there's a problem regarding the cable.the insulator got burn! so we need to add the insulator or change the cable...

On da way back to TNB Lundang, we have been called to do an emergency tasked. There's a trailer accidently break the cable or the transmission line till it falling down. We need to make some repair and put it back at the place where it should be.

Job done!....weee..~

4TH day at TNB

3 different sites in a day???

well...i'm so tired plus sleepy already...let's the picture do the talking ok..insyaAllah tomorrow i will explain a little bit about what we have learn today..

1)at Jalan Pintu Geng : replace the electric pole

the elec.pole in front of the shop!
married joint 1


married joint 2

crane auger is used to make a hole..

good work uncles...;p

badang of the day..hehe

aiyakkk...


2) Kg. Keladang : a report from the villager because of burn insulation...~

heeee..~

as usual,we need to stop the flow of electric current first!

change the burn insulator with "new" cable

3)caltex at wakaf Mek Zainab : transmision line falled down because of trailer..:(

make ued of the truck to pull the cable

the operation at the caltex must stop for a while~

we need to repair the cable first.