Welcome to Signotron pvt. ltd.
Manufacturer / Exporter / Supplier / Retailer Of lmla batteries, IGBT based battery charge / discharge system, IGBT Based Regenerative Battery Charger
Welcome to Signotron pvt. ltd.
Manufacturer / Exporter / Supplier / Retailer Of lmla batteries, IGBT based battery charge / discharge system, IGBT Based Regenerative Battery Charger
The IGBT based battery charge/discharge system has been designed for the following rating and other particulars. i)Type: Constant voltage/constant current with current limiting. ii)Input Voltage: Nominal voltage = 415V AC, 50HZ, 3 phase, 4 wire. Operating line to line Voltage = 350V AC to 480V AC. iii) Rectification Mode: The front end converter is IGBT based DSP controlled PWM voltage source converter and second converter is a PWM DC-DC isolated converter controlled by DSP. iv) Output voltage & output current: For CV mode: 40V to 128.8V(2V to 2.3 V per cell) & 220A for VRLA battery. Recommended voltage of charging in float mode: 2.25V/cell. It may be adjusted by key pad. Recommended voltage of charging in boost mode : 2.30V/cell. It may be adjusted by key pad. For CC mode: 151.2V( 2.70V per cell) & 110A(10% of the rated 10 hrs. capacity of battery) for LEAD ACID battery. Output current may vary from 22A to 220A by key pad under constant current mode. v) Output voltage regulation: Under constant voltage mode, the output voltage will be maintained within �1% over the entire range of the input AC supply variation and the output load variation from 10% to 100% of rated capacity. vi) Output current regulation: Under constant current mode, the output current will be maintained constant within ? 1% of the set value at 35% to 100% load over entire range of the input AC supply. vii) Efficiency: Efficiency of the unit is better than 85% at half load & 93% at full load for the entire input voltage range & 90% for discharge mode. viii) Ripple content: Voltage/current ripple ? 2% rms at full load when measured across a resistive load. ix)) Protections: Input under/over voltage, Input phase sequence, Output over voltage, Current limit, Overload etc. x) Insulation Resistance: 10MO or more while measured with the help of 500 Volt megger between shorting terminal and body of the enclosure. xi) High Voltage Test : Dielectric test shall be carried out by applying the following voltage. a. 2000Vrms sine wave, 50 Hz for 1 minute for 415V ac circuits. b. 1500Vrms sine wave, 50 Hz for 1 minute for 110V dc circuits. xii) Power factor : Better than 0.98 at full load for both charging & discharging mode. xiii) Current harmonic distortion: Less than 8% at full load both charging & discharging mode.
Energy provision with photovoltaics is thus becoming ever more important. Solar cells directly transform light into electric power. The energy gained is stored in Marathon solar batteries from the Maxxima brands. It is then available at night and in bad weather conditions. There is a wide spectrum of applications for this future orientated and environmentally safe technology.
IGBT Based Charge System with Active Power Factor Correction unit have been proven to work under extremely adverse environmental conditions of temperature -5�C to 55�C Ambient, with 98% humidity during rainfall, extremely dusty and desert weather with dust content in air may reach as high as 1.6 per cubic meter. The degree of protection provided in these chargers are upto IP 54.
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