14 03-55
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The group discussed designing a water heater. They proposed using a 3.5 kW heater powered by 220V AC electricity. Safety features would include flow control, an ELCB circuit breaker, a thermostat to cut power at 57 degrees Celsius, and a protective cover for the printed circuit board. Each group member was assigned a component to research: the student was given the power circuit to design using components like a heater, ELCB, and opto-isolator. In the next week, the group will distribute work and begin circuit designs for each water heater component.
![[INC 281 MULTIDISCIPLINARY WORKSHOP WEEKLY REPORT] March 14, 2012
Name-Surname Surachai Saelim
Student ID. 53211845
Group Name IS company
Engineering Team Tossaphon (13), Thanunya (15), Punnipa (22), Mutchima
Members (24)
Product Design
P’Satang, Tip, Ped, fon, erng, best, mild
Team Members
Weekly Progress
Explain your engineering job of each week.
We discussed about water heater. Until, My group concluded about the block diagram.
Rough Specification of water heater
- Using power estimate 3.5 kW. (V =220V, f = 50Hz, I = 16 A)
- Safety point estimate 4 points or more than 4 points. (Flow control, ELCB, PCB cover,
Thermostat cut current at 57 degree Celsius)
- Diameter pipe 15 mm.
- Switching power supply Vdc = 5V for controller and etc.
- LEDS (Leaves) show using quality of water.
- Adjust temperature by rotate the button.
And we share the work to each person responsible for each part. I’m obtains about power
circuit for drive heater. I think to separate part of control and power for safety and study about
device which use in power circuit such as heater, ELCB, opto-isolated, and anything which concern
part of it.
Engineering Analysis
Strong Point
- Switching power supply has high efficiency and light weight more than power supply
Week Point
- Some part of water heater, I don’t know about it.
Next Week Job
My group begins distribute work in group for each person responsible each part of water heater
and begins to design circuit with calculated circuit.
Department of Control System and Instrumentation Engineering
KING MONGKUT’s UNIVERSITY OF TECHNOLOGY THONBURI](https://image.slidesharecdn.com/14-03-55-120313235046-phpapp02/85/14-03-55-1-320.jpg)
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14 03-55
- 1. [INC 281 MULTIDISCIPLINARY WORKSHOP WEEKLY REPORT] March 14, 2012 Name-Surname Surachai Saelim Student ID. 53211845 Group Name IS company Engineering Team Tossaphon (13), Thanunya (15), Punnipa (22), Mutchima Members (24) Product Design P’Satang, Tip, Ped, fon, erng, best, mild Team Members Weekly Progress Explain your engineering job of each week. We discussed about water heater. Until, My group concluded about the block diagram. Rough Specification of water heater - Using power estimate 3.5 kW. (V =220V, f = 50Hz, I = 16 A) - Safety point estimate 4 points or more than 4 points. (Flow control, ELCB, PCB cover, Thermostat cut current at 57 degree Celsius) - Diameter pipe 15 mm. - Switching power supply Vdc = 5V for controller and etc. - LEDS (Leaves) show using quality of water. - Adjust temperature by rotate the button. And we share the work to each person responsible for each part. I’m obtains about power circuit for drive heater. I think to separate part of control and power for safety and study about device which use in power circuit such as heater, ELCB, opto-isolated, and anything which concern part of it. Engineering Analysis Strong Point - Switching power supply has high efficiency and light weight more than power supply Week Point - Some part of water heater, I don’t know about it. Next Week Job My group begins distribute work in group for each person responsible each part of water heater and begins to design circuit with calculated circuit. Department of Control System and Instrumentation Engineering KING MONGKUT’s UNIVERSITY OF TECHNOLOGY THONBURI