Semester 2 Week 11

TITLE :

What is alternator

OBJECTIVE:

To understand the alternator

CONTENT:

An alternator is an electromechanical device that converts mechanical energy to electrical energy in the form of alternating current.

Most alternators use a rotating magnetic field with a stationary armature but occasionally, a rotating armature is used with a stationary magnetic field; or a linear alternator is used.

In principle, any AC electrical generator can be called an alternator, but usually the term refers to small rotating machines driven by automotive and other internal combustion engines. An alternator that uses a permanent magnet for its magnetic field is called a magneto. Alternators in power stations driven by steam turbines are called turbo-alternators

here is the link for the connection of the alternator

http://web.media.mit.edu/~nathan/nepal/ghatta/alternator.html


CONCLUSION;

basically there is 3 parts  of the alternator. first is the rotor as moving part,second is stator as non moving part and third is diodes.the altenator is the combining of the generator and rectifier.

Semester 2 Week10

TITLE:

Building the custom made generator


OBJECTIVE:

To investigate the output generator
To construct the generator
To test the generator


CONTENT:

Previously, im failed to build the generator which give no output voltage. i seek for my supervisor helps and ask him about the problem im faced. He told me to to this in order to make the generator. First i have to cut the plywood into a circle and as well as pro-spec to place the magnet and coil later. second i turn the coils 200 turns each with 3 anti clock wise turn and another 3 clock wise turn. third, i placed the coil 60 degree from each other with clock wise and anti clock wise intervals and connecting in series. fourth, place the magnet interval with north and south. here is the results

neo dymium magnet

Thr coil with clock wise and anti clock wise intervals

CONCLUSION:

The generator making is done and the voltage output are not high enough, it only can produce about 1.2V by rotating faster by hand. so i think it is not enough either voltage or current even i put much magnet or turn of the coils so i decide to stop wasting or finding due limited time. My supervisor advice me to use the alternator kancil to apply to my projects. I will move on what my supervisor said which just use the alternator kancil as a generator.

Semester 2 Week 9

TITLE :

Making the generator.

OBJECTIVE:

To build the 12V custom generator.

CONTENT:

this are the materials needed for making the generator.

1) magnet

2)copper wire

3)glue

4)pro-spec

5)plywood

6)cable tie



Basically, in order to make any type of the generator, the concept is the same.
here is the useful  link that help me to make my generator.

http://www.miniscience.com/kits/woodengenerator/index.html

this link, teaches how to make wooden generator and some justification on why the problem occurs when testing the generator.

i followed the steps from the above links, but had adjusted a bit because i'm not making wooden generator. The design of my generator and the materials i'm using doesn't imitate from the links due to my design the and environment place which where i placed does not suitable for wood generator (hydro generator).

1) i make 6 coils where each coil contains 200 turns

2) i attached 6 neo-dynium magnet to a circle  pro-spec using glue.

3) i attached those 6 coils onto the plywood using cable tie.


CONCLUSION;

Making the generator is done but still need to  test the generator because i need o know how either its working or not and how many the voltage being produce and minimum rp. that i need in order to produce 12V.

Semester 2 Week 8

TITLE:

The idea for making a custom 12V generator


OBJECTIVE:

To find a suitable generator for the project.

To understand how to built a generator.


CONTENT:

I need to find a generator that produced 12V  which suits the project well. after doing some research on the generator (theory parts) and with the helps from this video, i was thinking to build the generator with custom made generator which can produce 12V output voltage. the materials needed to build the custom generator are; 6 pieces of neo-dymium magnet, copper wire, pro-spec, plywood and cable tie.

CONCLUSION:

need to purchase the materials and need to start doing the custom generator ASAP.

Semester 2 Week 6 and 7

TITLE :

Design and build the main structure of the project.

OBJECTIVE :

To build the projects.
To get the best design for hydro generator.
To get the material for the actual design


CONTENT:

I went to the half cut shop, hardware, motorcycle shop,grocery, fishing shop, bicycle shop buy the things that needed to build the main and overall structure of my projects. Below are the lists of the thing I bought from the hardware,  grocery shop ets.

1. Ex5 cover clutch
2. Spoons
3. Ball Bearings
4. Angle Bar
5. Jointer of the angle bar
6. Bolts and nuts
7. Hose pipe
8. Pipe and accessories
9. Spray
10. Aquarium (plastic)
11. Chain
12. Gear
13. Flywheel gear

All the listed items are not all of them are easy to find, it take time to go survey and finding all the items .After all the items i have. then i proceed to do the next step.

Angle bar

With the angle bar and the accessories that i bought, now im going to cut them join them with the jointer, bolt and nuts. It is not easy to cut them with the saw, it really sweats me a lots. i have to measure all them to make it perfectly accurate to the size or else it will not give me the right size. Besides, it will give some difficulties to joint each other.

The structure of the design

CONCLUSION:

After all the hardship to find the item and build it, now i can see almost the actual of the project. from now i can proceed to next step which are combing all the items together. But some of the items need to do through welding shop.

Semester 2 Week 4 and 5

TITLE:

Finalize the Inverter Circuits

OBJECTIVE:

To assemble the components.
Solder th components leg
To test the circuits
To placed the inverter circuit and transformer in 1 place.

DISCUSSION/ANALYSIS:

Before assembling the component. I have to check the polarity of the each components such as positive and negative of the diodes, the capacitor, the e-b-c for transistor to avoid misplaced which can damage some of the components. Place the component correctly and do double check before soldering


Soldering one by one and solder the components leg carefully to avoid damage of the circuit and the components itself. After done soldering all the components leg are not being cut for future arrangement if the mistake or misplace occurs. 

Every electronics and electric can harm people. so it must have the cover, a safe one. After successfully construct the inverter i decide to place them together and sealed as well for unreachable from people and to make my projects have a safety precaution.

I decide to make the cover from acrylic (pro-spec) because it easy to cut them and place the plug, fan and whatsoever in one place.

CONCLUSION:

The inverter circuit input and output have been tested and checked. There is no problem for the circuit. the cover for the circuit also have been build and as well as the plug and fan have been installed altogether in one box.  Proceed to next stage.