SQUARE WAVE HOME-UPS / INVERTER



SPECIFICATION / FEATURES:
LOAD CAPACITY : 600VA / 800VA (12V) , 1200VA / 1600VA (24V)
BATTERY: 12V / 24V (TUBLER TYPE)

OUTPUT WAVEFORM: QUASI SQUAREWAVE


OUTPUT VOLTAGE (INV MODE): 230V (+/-10%)


OUTPUT FREQ (INV MODE): 50Hz (+/-0.05%)


MAIN TO INV CHANGEOVER: INV-MODE :- 80V (+/-10%)
                                                  : UPS MODE :- 170V


INV TO MAIN CHANGEOVER: INV-MODE :- 120V (+/-10%)
                                                : UPS MODE :- 190V


LED INDICATION: MAIN,INV,L.B,O.L,CHG

PROTECTION (INV MODE): OVER LOAD at 120%, Shuts off inverter,
Buzzer Beep for 9-sec, with AUTO RESET, BATTERY DEEP DISCHARGE - Low-Battery, @ 9V/18V, Shuts Off Inverter Buzzer beeps for 9-sec
CHARGING : TWO STEP CHARGING
                                                 : BOOST - Soft start boost charging @ 5Ammp - 20Amp
TRICKLE - maintain battery volt @ 13.5V / 14V, Both CHG Current and Trickle Volt is Preset adjistable.



FEATURES:

  • PIC16F72 Microcontroller based design.
  • Software bsed frequency lock ensure very stable output frequency.
  • Single PCB for mosfet with heat sink, relay.
  •  etc with connector ensure very low and easy wiring.
  • Single Triac controlled soft start charging with two step charging algorithm.
  • Preset setting for O/P voltage set, charging.
  • current set, trickle voltage set, over load set.
  • Low cost PCB with low component count (for 12V PCB B.O.M is Rs.300/- with mosfet,heat sink, relays etc).
  • Highly reliable circuit as lots of protections are provided.
  • Buzzer alarm for over load and low battery.
  • No extra trigger transformer required.





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