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Investigation Of The Performance Index Of 3.5kva/48v Power Inverter
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1.2 Statement of the Problem
The
primary aim of engineers in the society is to solve the problems
militating against technological growth, provide solutions to challenges
facing humanities and bringing about efficient flow of ideals and
innovators in the world of technology throughout the society and all
nation of the earth. Inverter is that device which is being employed by
the engineers to tackle and support the power supplies. This support
comes to play when there is power outage. Immediately, the power
inverter begins to act in place of the main power. Inverter are used in
the conversion of direct current to a conventional alternating current,
but the need for a reliable and more efficient, stable power supplies
make the inverter indispensable especially in developing country like
Nigeria where there is an epileptic power supply. Hence the need for
investigation of the performance index of 3.5kVA/48V inverter in
relation to other inverters becomes vital.
Although, the
electric power in an alternating current form is very difficult to store
due to power loss which are associated with the alternating current and
when converted, it can be in stored in the battery of which can be
recharged.
1.3 Aim of the Study
The aim of the study is to evaluate the performance index of 3.5KVA/48V inverters for domestic electric power supply.
1.4 Objectives of the Study
The objectives of the study are stated as follow.
To determine the output wave form of the inverter
To determine the battery discharging current/voltage on load and the effect of load on the inverter
The determine the power efficiency (real-time output power ratings)
1.5 Methodology
` The methods adopted to achieve the set objectives are as follows.
The Cathode ray oscilloscope was used to measure output wave form.
The
resistive and inductive load tests were applied to determine the
battery discharging current/voltage on load and the effect of loads on
the selected inverter
Clamp meter, amp meter and volt meter were utilized.
1.6 Scope of the Study
In
this study, the capacity of power inverters considered is 3.5KVA/48V
with an output of 220-230V, frequency of 50Hz. And four different
inverters vendors selected are Mercury, Safer power, Sinergy and
Su-kam. The choice of selection is based on the availability,
portability, customer patronage and assesses to parts or repair.
1.7 Significance of the Study
The study can enable:
the individual to have basic knowledge about inverter;
the energy consumer decide on the most economic inverter to install
create more awareness on the use of inverter.
1.8 Arrangement of the Work
The
study is divided into five chapters. Chapter one has been discussed.
Chapter two gives a description of power inverters and battery, and what
to look out for before buying inverter.
Chapter three discussed the
experimental setup of the 3.5KVA/48V inverters for various inverters,
and how it was analysed. The arrangement is based on the selected load
specification of 1000VA.
In chapter four, the results of the performance of various inverter used as a case study, were presented and discussed.
Chapter five gives the conclusion and recommendation of the study.
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ABSRACT - [ Total Page(s): 1 ]The initial cost of the power inverter system is significant higher compared to the conventional source of power. As a result, there is need for the performance evaluation of various power inverters in order to determine the cost efficiency of the power inverter as an alternative source of power. The aim of the present study is to investigate the performance index of 3.5KVA/48V inverters for domestic source of electric power supply. Four types of inverters (Mercury, Safer Power, Sinergy and Su-K ... Continue reading---
