High Performance INVERTER/HOME UPS CARDS (Quasi square wave, 500VA - 5000VA )

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FEATURES:
It is a standard INVERTER CARD with high performance-price rate and full protections to meet INVERTER manufacture’s requirements. It is composed of AC filter, charger (Internal Battery Management, Microcontroller based design), inverter, integrated controller and relevant protection circuits. Single card system that requires only mains transformer, body. All Accessories mounted on card.
When main power is normal, which is in the input voltage range of INVERTER, it will be output to load after being filtered, as well as built-in charger recharges battery. When main power is abnormal (under 120V) or failure, INVERTER will automatically turn to battery mode. If main power recovers within stated backup time, INVERTER will turn back to main power mode; if main power could not recover within stated backup time and battery discharge to ending voltage, INVERTER will cut inverter output and stop to protect the battery.
Overload protection: Under main power mode, the input fuse will break to protect input circuit; under inverter mode, INVERTER will automatically enter limited output status till stop.
Short-circuit protection: Under main power mode, the input fuse will break; under inverter mode, INVERTER will immediately shut down.
Battery over discharge protection: During inverter mode, internal detective circuit will monitor battery status. When battery voltage reduces to ending voltage, inverter will be shut to protect battery.
HIGH/LOW CUT - 140 – 270 V, Adjustable
DC LOW - At 10.5V, 8 Times pre buzzer 3 times long beep before shutoff
OVER LOAD - 8 times pre buzzer 3 times auto reset then shutoff
CHANGEOVER - 3ms From AC to DC And 10 sec delay on DC to AC
BATT. CHARGING – CCCV (constant current constant voltage) charger with trickle and pulse charging option.
LCD & Fast Changeover options available in all ratings.
DESIGN TYPE –
1. Microchip PIC16F72 based design.
2. Over current/ Short circuit/ One channel run protections
3. Single card system that requires only mains transformer, body. All Accessories mounted on card.

High performance extended battery off-line UPS CARDS (Quasi square wave, 500VA - 4000VA)

FEATURES:
It is a standard off-line UPS CARD with high performance-price rate and full protections to meet EXTERNAL BATTERY UPS manufacture’s requirements. It is composed of AC filter, charger (to
6/10 Ampere charger with flexible controls for current, depends on Transformer design.), inverter, integrated controller and relevant protection circuits. Single card system that requires only mains
transformer, body. All Accessories mounted on card.
When main power is normal, which is in the input voltage range of UPS, it will be output to load after being filtered, as well as built-in charger recharges battery.
When main power is abnormal (under 135V) or failure, UPS will automatically turn to battery mode. If main power recovers within stated backup time, UPS will turn back to main power mode;
if main power could not recover within stated backup time and battery discharge to ending voltage, UPS will cut inverter output and stop to protect the battery. Overload protection: Under main power mode, the input fuse will break to protect input circuit; under inverter mode, UPS will automatically enter limited output status till stop. Short-circuit protection: Under main power mode, the input fuse will break; under inverter mode, UPS will immediately shut down. Battery over discharge protection: During inverter mode, internal detective circuit will monitor battery status. When battery voltage reduces to ending voltage, inverter will be shut to protect battery.
SPECIFICATION
AVR RANGE - 145 V to 270 V
CHANGEOVER - 3ms From AC to DC and 10 ms delay on DC to AC
DC LOW - Audio Visual indications
OVER LOAD - Audio Visual indications
BATT. CHARGING - Up to 6 Ampere charger with flexible controls for current.
DESIGN TYPE –
1. Microchip PIC16C711 based design.
2. Over current/ Short circuit/ No load shutdown/ one channel run protections
3. Single card system that requires only mains transformer, body. All Accessories mounted on
card.

High Performance TRUE SINEWAVE INVERTER CARD (500VA  - 7.5KVA)

True Sine wave inverter card is an efficient and reliable system, which outputs pure sine wave, based on high frequency PWM. The output has low distortion giving longer life to appliances and lower heat loss leading to an overall efficiency.

The DSP based systems ensures lower component failure, hence higher reliability. The system is highly fault tolerant and no component failure has been observed under output short circuit, overload and output wrongly connected to phase.

The SMPS Technology based Battery charging system ensures faster charging and safe charging. Because of the low ripple currents longer battery life is projected. Batteries are charged from an input mains voltage as low as 120V.

Charging control: This has an advanced charging system that employs the best of two worlds; a bulk charge state and a finishing charge state with tapered current control for low gassing. Battery will be charged under constant current. After the constant current phase is over than the charger will charge the battery till the set END VOLTAGE with a tapering current, at end of charge, the battery will float at 2.18v/cell. If mains supply is below 140vac charging current is limited to 5 amps.

Features:

• Phase synchronous ultra fast transfer.
• Settable charging current, output voltage and battery boost voltage.
• Commonly available components 4 - Affordable and appropriate technology.
• Better life of user equipment.
• Saving on technical manpower and costly equipment.
• Settable Parameters.