Sine Wave Inverter Technology (PIC 16f72 based)

Sine Wave Inverter Technology (PIC 16f72 based)
SPECIFICATION / FEATURES:

DC BATT. : 12V,180AH (625/800VA),24V (1200VA/1400VA)
INVERTER O/P VOLT : 230V (+2%)
INV. O/P FREQ : 50Hz
INV. O/P WAVEFORM : SINE WAVE
HARMONIC DISTORTION : <3%
CREST FACTOR : >4:1
INV.EFFICIENCY : 90% for 24V system
: 80% for 12V system
AUDIBLE NOISE : <60dB at 1-meter
INV. PROTECTION : LO-BATTERY SHUT
: OVER LOAD SHUT
: O/P SHORT CKT SHUT
LO-BATTERY : BEEP START AT 10.5V (BEEP AT EVERY 3-SEC)
: INV SHUT DOWN AT 10V (5XBEEP at every 2-SEC)
OVER LOAD : BEEP START AT 120% LOAD (BEEP at every 2-sec)
: INV. SHUT DOWN AT 130% LOAD (5XBEEP at every 2-SEC)
LED INDICATION : INVERTER ON
: LOW-BATT - FLASH DUURING L.B ALARM
- PERMANENT GLOW DURING CUT
: OVER LOD - FLASH DUURING O.L ALARM
- PERMANENT GLOW DURING CUT
: CHARGING - FLASH DURING CHARGING
- PERMANENT GLOW DURING ABSORPTION
: MAIN - MAIN ON
CIRCUIT : 8-BIT MICROCONTROLLER BASED CONTROL CIRCUIT
: H-BRIDGE INVERTER OPERATION
: MOSFET SWITCHING FAULT DETECTION
CHARGING ALGORITHM : MOSFET based PWM SMPS CHARGE CONTROLLER 5-amp -15-amp
: 2-STEP CHARGING STEP-1: BOOST MODE (LED FLASH)
STEP-2: ABSORPTION MODE (LED ON)
DC FAN : FOR INTERNAL COOLING DURING CHARGING/INV OPERATION

(WITH Microcontroller Source code / HEX code, PCB Layout, Circuit Diagram,
Testing and Trouble shooting, Theory of operation,Parts List,Transformer
winding data, wiring layout, Data sheets of ICs / MOSFETs used in ckt.)