Input Voltage

72V DC (Range 50V to 90V DC).

Output Voltage

3-Phase, 40V ± 5%.

Output Waveform

PWM Sine wave.

Output frequency

60 Hz.

Output Power

0.5 HP / 0.87 HP / 1.5 HP

Load P.F.

> 0.8.

Control mode

PWM with v/f control.

Efficiency

>85%

Application

Diesel Locomotive

Installation

More than 20,000 installations in Rolling Stock.

Input Voltage

90V – 140V DC / 55V – 90V DC

Output Voltage

3-Phase, 110V DC / 72V DC

Wattage

300W / 400W / 500W / 1kW / 5kW / 10kW

Efficiency

>85%

Enclosure

IP-54

Application

Diesel & Electric Loco

Installation

More than 10,000 installations in Diesel /Electric Locomotives, EMUs and DEMUs.

Input Voltage

72V DC (Range 50V to 90V DC).

Output Voltage

230V AC / 110V AC

Output Waveform

Sine wave.

Rating

500VA to 25KVA

Efficiency

> 90% at full load

Enclosure Protection

IP 65

Application

For Pantry loads, 1.5-ton Air and carriage fans non-AC coaches.

Installation

More than 3000 installations in Rolling stock.

Input Voltage

415V AC, 3-Phase, 50Hz.

Output Voltage

100-155V DC current

Wattage

28KW

I/P current THD

<7%

Power Factor

<0.98.

Nature of cooling

Natural

Output Voltage ripple

<2%

Output Current Ripple

<3%

Efficiency

>92% at full load

Application

Coach Battery Charging

Installation

More than 2000 installations in Rolling stock

Input Voltage

415V AC, 3-Phase, 50Hz

Output Voltage

155V / 310V DC current

Output Current

25 Amp / 220 Amp

Wattage

68 KW

I/P current THD

<5%

Power Factor

Unity during Charging / Discharging

Output Voltage ripple

<2%

Output Current Ripple

<3%

Efficiency

>92% at full load

Efficiency

>92% at full load

Application

Charging of Coach Battery in workshop / depot / station

Installation

More than 500 installations in Rolling stock.

Description

A DSP controlled IGBT based underslung battery charger with in-built hot standby Emergency Battery Charger for backup

Regulated Battery Charger:

Input Voltage

415V AC, 3-Phase, 50Hz.

Output Voltage

110V – 135V DC ± 2%

Nominal Output Power

4.5 kW

Efficiency

>92%

Output Voltage Ripple

<2% RMS

Application

Battery charging in LHB Coaches

Installation

More than 3000 installations in Rolling stock

Emergency Battery Charger:

Input Voltage

240V AC ±15%, 1-Phase, 50Hz.

Output Voltage

110V DC ± 5%

Nominal Output Power

2.5 kW

Efficiency

>90%

Output Voltage Ripple

<2% RMS

Application

Battery Charging in LHB Coaches

Installation

More than 2000 installations in Rolling stock.

Description

The Inverter will operate under emergency conditions from DC battery supply and generate sufficient output to drive a 3-phase Induction Motor with two Blower Wheels

Input Voltage

77V – 138V DC, 3-Phase, 50Hz. (Nominal 110V DC)

Output Voltage

380V AC, 3-Phase, 50Hz

Nominal Output Power

950 Watt

Current THD at Output

<20%

Enclosure Protection

IP-54

Efficiency

<92%

Application

For Emergency Blower in HVAC system of coaches

Installation

More than 400 installation in Rolling stock

Description

This is an IGBT based DSP controlled rectifier with input power factor control

Input Voltage

45V – 52.5V AC, 3-Phase, 50Hz. (Nominal 50V DC)

Input Power Factor

>0.98

Current THD at Input

<10%

Output Voltage

110V DC

Nominal Output Power

12 kW

Efficiency

>92% at full load

Output Voltage ripple

<2%

Application

For charging of Loco Battery

Installation

More than 02 installations in Rolling stock.

Input Voltage

90V – 140V DC

Output Voltage

56V AC, 50Hz.

Wattage

2.5 KVA / 5 KVA

Input current THD

<7%.

Power Factor

<0.98.

Nature of cooling

Natural

Output current ripple

<3%

Efficiency

>90% at full load

Connected Load

Blower

Application

For Emergency Blower in HVAC system

Installation

More than 500 installation in Kolkata Metro

Input Voltage

90V – 140V DC

Output Voltage

56V AC, 50Hz.

Wattage

2.5 KVA / 5 KVA

Input current THD

<7%.

Power Factor

<0.98.

Nature of cooling

Natural

Output current ripple

<3%

Efficiency

>90% at full load

Connected Load

Blower

Application

For Emergency Blower in HVAC system

Installation

More than 500 installation in Kolkata Metro

Input Voltage

55V – 90V DC

Output Voltage

415V AC, 3-PHASE, 50hz.

Wattage

4.4 kVA

I/P current THD

<7%.

Power Factor

<0.98.

Nature of cooling

Natural

O/P Voltage ripple

<2%

O/P current ripple

><3%

Efficiency

>90% at full load

Connected Load

Compressor Motor

Application

Running of HVAC system

Installation

More than 200 installation