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INPUT |
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Input Voltage Range(19.0 KV to 27.5 KV on Catenary) - 700 to 1015 V AC Single PhaseDown to 600 V @ 16.5 kV and up to 1145 V @31.0 kV |
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Input Voltage Nominal - 760 / 830 V AC Single Phase |
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Supply source - Tertiary winding of main transformer of a 25 kV Locomotive |
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Input Frequency - 47 to 55 Hz |
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Transformer Impedance Voltage - 3 to 5% |
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Inrush Current - Less than maximum nominal input current |
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Efficiency - > 93% |
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Power Factor - > 0.9 |
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Power required |
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15 Watts maximum |
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OUTPUT |
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Output Voltage Range - 394 to 436 V (line to line) |
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Nominal Output Voltage - 415 V |
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Output Continuous Rating of the Inverter - 180 KVA @ 0.8P.F |
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Short Time Rating - 600 Amps for 10 Seconds |
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Current Harmonics - < less than 5% up to 20th harmonic |
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Frequency - 50 Hz ±1% |
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Wave form type - PWM (Sine Weighted) |
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Regulation - ±5% due to simultaneous variation of 0 to 100% load changes and input voltage variation of the D.C. supply |
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BATTERY CHARGER
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Input Voltage Nominal - 830 / 760V AC |
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Nominal Output Voltage - 110V DC |
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Output Continuous Current - 20A |
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Output Current Ripple - < 1% |
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GENERAL
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Operating ambient temperature - 0°C to 55°C |
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Audible noise - < 75 dB (A) measured at a distance of 1 metre from the centre of the equipment |
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Cooling - Forced cooled using high reliability fans |
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Protection - Input Under Voltage, Input Over Voltage, Converter Phase Fault, Line to Line Short Circuit, Thermal Over Loading, Converter Fuse Failure, Earth Fault and Reverse Polarity for Battery Charger
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Weight of Complete Unit - 1470 Kg approx |
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Outside Dimensions - 1650mm (H) x 1740mm (W) x 680mm (L) |
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INDICATIONS AND DIAGNOSTICS |
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Visual Indications - Converter Supply, Input Voltage, Converter Fuse, Earth Leakage, Converter Output, Converter Trip, Charger Supply, Charger Output, Charger Load, Control Supply, Temperature, Fan & Alarm |
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Volt free contacts - Converter Trip, Converter OK, Battery Charger Fault and Converter Enable |