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Design And Construction Of 5kva Inverter
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1.1 OBJECTIVES OF THE PROJECT
In this project, a 5KVA D.C to A.C inverter will be constructed and
analyzed. The primary objectives or undertaking this project is for the
following reasons:
1. To provide an uninterruptible alternative power
supply that will be able to power the street light in the department of
electrical and electronics engineering building block.
2. To design
an electrical system capable of producing power from a 12v D.C battery
that will produce an output of 5000watts, 50Hz–240v which Will be used
to drive electrical appliances.
3. To improve our understanding on
simple electrical designs, building of electrical circuits and basic
principle of operation of inverter.
4. To actualize in practice the principle of circuit design and analysis.
1.2 SCOPE OF THE PROJECT
This project covers the design and construction of 5KVA, 220-240volts inverter with the following stages.
i. Power Supply unit.
ii. Inverting unit
iii. Power transformer unit
iv. Triggering unit.
The scope of this project is primarily to show how the low voltage D.C
power supplied is used to energize the circuit. It will also show how
the inverter units convert the low voltage D.C into a low voltage A.C in
form of square wave. The triggering unit provides the trigging pulse
needed by MOSFET to operate.
In general, an inverter system has many benefits and features such as:
1. Noiseless, Fuel and Maintenance free.
2. High charging current for quick recharging up to 5 times faster.
3. Bypass mode allows for charge only.
4. Generator compatible allows longer runtime.
5. Unlimited battery expansion capability to increase runtime.
6. UPS Function for auto changeover.
7. automatic voltage regulator
8. Brownout and over voltage protector
9. Small and light in dimension
10. Reverse polarity warning
CHAPTER ONE -- [Total Page(s) 3]
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ABSRACT - [ Total Page(s): 1 ]This inverter is designed to convert ac power from higher capacity dc batteries to A.C voltage (power) for systems that use ac only. It uses 24v battery D.C times 2, which is converted by the MOSFET to A.C. it is used I.C. with the model number SG3525 where the four MOSFET is connected to it. It consists winding which enable to determine the number of wattage. The inverter consist of four section (i) supply unity (i) Triggering or Switching unit (ii) Buffer stage (iv) step-up trans ... Continue reading---
