Wiring & diagram Info: 12VDC

Showing posts with label 12VDC. Show all posts

Tuesday, November 18, 2014

12VDC to 220V AC 500W Inverter Circuit

Circuit Inverter 500 Watt 12VDC to 220VAC is made using a transistor.

The basiccally of the circuit Inverter 12VDC to 220VAC 500 Watt This is a configuration of 2 pieces of transistors Q1 and Q2 which form a series of Flip-Flop. The output of the flip-flop Q1 and Q2 in the circuit Inverter 12VDC to 220VAC 500 Watt is then broken down for each pulse to complement each other using a series compiled by Q3 and Q4. Output which complement each other is then given to the driver transistors Q5 and Q6 form the transistor 2SC1061. Series Inverter Power Inverter from 12VDC to 220VAC 500 Watt This is a series of parallel transistors Q7 and Q8 are prepared and Q7x and Q8x the form of power with a type 2N3055 transistor 10 pieces. drawing a complete range of circuit Inverter 12VDC to 220VAC 500 Watts can be seen as follows.

Step up part of the Circuit Inverter 12VDC to 220VAC 500 Watt 12V CT uses 12V transformer in the secondary and primary 0 - 220V. Working frequency of the Circuit Inverter 12VDC to 220VAC 500 Watt is determined by the flip-flop which is set to 50 Hz.

Tuesday, October 14, 2014

3000W Power Inverter Circuit 12VDC to 230VAC

Parts list:

R1,R2,R31,R32 = 470k
R3,R10,R12,R18,R30,R36,R37,R38 = 100k
R4,R16 = Poti 50k
R5,R19 = 68k
R6 = 22 k
R7,R11,R13,R29 = 10k
R8,R22 = 2,2 k
R9,R15,R27,R28,R39 = 1M
R14 = 47k
R17 = 3,3M
R20 = 0,001 (see construction plan)
R21,R45 ... R64 = 100 Ohm
R23,R40,R41 = 1k
R24 = 150 Ohm

R33 = 0,1 Ohm / 17 Watt for 3000 Watt output max.
R34,R42 = 150 k
R35 = 470 Ohm
R43 = 4,7k / 0,5 Watt
R25,R26 = 10 Ohm
R44,R45,R46,R47 = 22 Ohm

C1 = 47nF (no ceramic capacitor - frequency stability!)
C2 = obsolete
C3,C25 = 4,7uF
C4,C9,C11,C24,C26 = 0,1uF
C5 = 10000 uF
C6,C7,C10,C14,C23 = 220uF
C8,C12,C20,C22 = 100uF/16Volt
C13 = 220uF/35 V (max. 25 Volt through charge pump)
C15,C16 = 47uF
C17,C18 = 10nF
C19,C21 = 1nF

D1,D2,D3,D5,D6,D9,D14,D15,D16,D18,D20 = 1N 4148
D4 = ZPD 12
D7 = ZPD 5,6
D17,D19 = ZPD 10
D8,D10,D11,D12,D13 = 1N 4001

IC1,IC9,IC10 = TL081
IC2 = CA3130E
IC12,IC13 = LM741
IC3,IC4,IC5,IC6 = 1 x 4093
IC7,IC8 = 1 x 4013
IC11 = 7812

T1,T4 = BCY59 or BC547 (T1 affects the pulse width regulator and thus voltage regulation!)
T2,T3,T11 = BCY79 or BC556
T5,T8,T10 = BS 250 (IRF9Z24N)
T6,T7,T9,T12 = 2 N 7000 (IRFZ24N)
T13... T28 = 16 x IRF 3205

LED1 red, overload protection
LED2 yellow, load detection

Tr1 = 3000 VA
Tr2 = small transformer 1 VA, 230V/6V

F1 = 250 A (100 Amperes for 1000 Watts output)
F2 = 75 degree celsius switch off

Relay1 = 12 V coil, 2 contacts

1 heat sink 200mm x 100 mm

PCB Layout:

Component Placement:

Technical Data:

Supply voltage: 12 Volt
Battery size: depending upon load, otherwise no restriction
Output voltage: 230 Volts rms (square wave voltage with duty cycle Tp=25% "modified sine")
Good for resistive, inductive and "pseudocapacitive" load (e.g. computers)
Efficiency: under full load approx. 95%
Quiescent current of control electronics: approx.. 0.05 A ... 0.1 A
Total: 0.5A to 2,5 A, depending upon quality and max. induction of the used transformer
Pulse width regulation for the stabilization of rms of the output voltage
Current limiter in case of short-circuit an thermal protection
Option: load detection

This 3000W inverter is suitable for:

Electric drills, fret saws, circular saws, electric chain saws, grinders
Vacuum cleaners, coffee machines, irons, dryers, mixers, sewing machines, electric razors, etc.
Lamps, energy-savings lamps
Electronic devices, e.g. music amplifiers, battery chargers
Computers and accessories, UPS
Televisions and radios
Ham radio transmitters, high voltage generators, among other things