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Project Members
Hafiz Zahid Rasool 091320- 007
Majid Ali 091320- 079
Majid Rehan Khan 091320- 043
Advisor:Mr. Farhan Iqbal
Co Advisor:Mr.Jawad Ullah
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Design and Implementation of
Intelligent Uninterrupted PowerSupply
(i-
UPS)
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Introduction to i-UPS
Continuous of electricity.
Lower future cost for maintenance/battery replacement.
One battery to maintain.
Lower initial cost of equipment/installation.
Upgradeability and increase system reliability.
Unattended shutdown of multiple servers and operating systems.
Pure Sine Wave(approach)
Fix Output Voltage w.r.t Load Change
Dual Phase Selection
Dual Output voltage in OFF LINE MODE(energy saving)
In modern power systems UPS are very popular among the countrieswhich are facing electricity crises. Due to its portability, it can be usedeasily and UPS is a back-up power system used to prevent power loss ordamage to a computer or other critical piece of electrical equipment andelectronics appliances. Some prominent advantages our iUPS are:
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Project Applications
Auto selection of sources
Auto stop of battery charging
Continuous Temperature sensing of battery
Level(status) of Battery
Automatic load control
Display different status by LCD
Continuity of backup in critical battery
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FP-1
Deliverables(achieved)
Simulation of design and flow chart of our project.
Selection of Micro controller and Programming .
Chose Coding language and software.
Study about Sensors and Electronics Devices.
Understanding of working of UPS.
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FP-2
Deliverables(continue...)Implementation and interfacing of sensors, LCD and
electronic devices with Micro Controller.
Hardware design of i-UPS
Present i-UPS with working condition.
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Implementation Tools:
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Component we useLM 35 (Temperature sensor) PIC16f877A
Relay 12V DC and 220V AC Power transistor
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LCD 16 x 4
Power Transformer
Supply TransformerPWM ic SG3524
LM339
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Main Intelligent UnitTemperature Sensor for BatteryProtection:
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Schematic diagram ofTemperature Sensor
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Schematic diagram of Power Drive
Unit(Darlington pair)
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