Simple Low Power Inverter Convert 12V DC into 230AC
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In This ppt is Overview of Simple Low Power Inverter Using 2 ICs ULN2004 and CD4047. This Project is Tested.
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Simple Low Power Inverter Convert 12V DC into 230AC
- 1. Guided By:- Submitted By:- Abhirup Sir Sarthak Jain Paresh Sahare Shailendra Sirohi Yogendra Yaduwanshi
- 2. Introduction Component Used Circuit Diagram Circuit Description Advantages Disadvantage Applications
- 3. The word ‘inverter’ in the context of power- electronics denotes a class of power conversion (or power conditioning) circuits that operates from a dc voltage source or a dc current source and converts it into ac voltage or current. The ‘inverter’ does reverse of what ac-to-dc ‘converter’ does (refer to ac to dc converters). Even though input to an inverter circuit is a dc source, it is not uncommon to have this dc derived from an ac source such as utility ac supply. Thus, for example, the primary source of input power may be utility ac voltage supply that is ‘converted’ to dc by an ac to dc converter and then ‘inverted’ back to ac using an inverter. Here, the final ac output may be of a different frequency and magnitude than the input ac of the utility supply.
- 4. IC HCF4047 IC ULN2004 Capacitor & Resistor Relay & Voltage Regulator Transformer
- 5. HCF 4047
- 6. ULN2004
- 7. CAPACITOR RESISTOR 1) 0.1 µ farad 1) 470Ω R1 and R2 2) 33Ω R3 and R4 3) 200k VR1 RELAY 1) 12 volt VOLTAGE REGULATOR 1) 12 volt
- 8. 1 Transformer X1 (9V-0-9V, 500mA secondary)
- 10. Here is a simple low-power inverter that converts 12V DC into 230-250V AC. It can be used to power very light loads like window chargers and night lamps, or simply give shock to keep the intruders away. The circuit is built around just two ICs, namely, IC CD4047 and IC ULN2004. IC CD4047 (IC1) is a monostable/astable multivibrator. It is wired in astable mode and produces symmetrical pulses of 50 to 400 Hz, which are given to IC2 via resistors R1 and R2.
- 11. IC ULN2004 (IC2) is a popular 7-channel Darlington array IC. Here, the three Darlington stages are paralleled to amplify the frequencies received from IC1. The output of IC2 is fed to transformer X1 via resistors R3 and R4. Transformer X1 (9V-0-9V, 500mA secondary) is an ordinary step-down transformer that is used here for the reverse function, i.e., step up. That means it produces a high voltage. Resistors R3 and R4 are used to limit the output current from the ULN to safe values. The 230-250V AC output is available across the high-impedance winding of the transformer’s primary windings.
- 12. 1) It provides quality power output. 2) It is lighter and smaller in size, and hence can be easily transported. 3) It’s noise-free in functioning when compared to traditional generators. 4) Requires less maintenance. 5) Higher efficiencies as each panel/pair of panels is managed individually.
- 13. 1) There are no large capacity generators in the markets. 2) The Inverter can power a few appliances for a short period. 3) More individual hardware pieces that can fail
- 14. 1) DC power source utilization. 2) Uninterruptible power supplies. 3) Electroshock weapons. 4) HVDC power transmission. 5) Inverters can be very helpful during power cuts.