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Radial Grid Dynamic Brake Assembly

Dynamic Brake Hatch Assembly

Force Cooled Roof Mounted DBR Assembly With Short Hood

Forced Cooled Roof Mounted DBR (Electric Locomotive)

Vertical Type DBR

Natural Cooled Roof Mounted DBR

Resistor Harmonic Filter

Resistor Over Voltage Protector (MUB)

Pre-Charge Resistor

Inverter Protection Resistor (IPR)

Crowbar Resistor

Oil Cooled Resistor

Oil Cooled Grid Resistors ( For WAP-5, WAP-7 & WAG-9 type 3 Phase Electric Locomotives )

 

This Resistors are of different rating varying from 300 walts to 12 kilowatts and are housed in a square aluminum tank besides GTO Thyristors, diodes etc. and form a so called valve sets (Total 8 Nos. per loco i.e. Line Convertor and Motor Inverter).

Some of these Resistors with different combinations along with appropriate rating of capacitor in series with each configuration are used as switching surge suppression units. Rest of the Resistors are used either economy or dropping resistors. Such a valve set is oil filled and cooled by forced oil circulation. So these resistors are also called as Oil Cooled Grid Resistors.

 

 

 

Technical Details of DU130109003

ABB*** Part No.

3EHN424104P1

Power

12 kW

Resistance

0.2 Ω

Voltage

3000 V

Technical Details of DU130111005

ABB*** Part No.

HIET428125P1

Power

2000 kW

Resistance

5.0 Ω

Voltage

3000 V

Technical Details of DU130110004

ABB*** Part No.

HIET428124P1

Power

350 kW

Resistance

0.2 Ω

Voltage

3000 V

Technical Details of DU130112006

ABB*** Part No.

HIET428126P1

Power

300 kW

Resistance

2.8 Ω

Voltage

3000 V

 

 
 

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