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• Model: WHD 800 90
•  Transmission:  Hydrodynamic Turbo Reversing
• Rail gauge: 1676 mm
• Axle classification: B-B
• Over all dimensions (mm): L=12000,W=3100,H=4200
• Nominal axle load (±3%): 22.5 T
• Adhesive/total weight: 90 T
• Tractive effort at start: 27000 kg
• Maximum geared speed: 21 kmph
• Wheel diameter over tread: 914 mm
• Fuel tank capacity: 2000 Lit
• Installed power: 800hp (597kw)

vigilance control device

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Vigilance Control Device (VCD) is a microcontroller based safety device which will automatically apply penalty brakes in case the driver is incapacitated. Similar operation is available in older locomotives in the form of Deadman’s Lever.

vigilance control device

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Vigilance Control Device (VCD) is a microcontroller based safety device which will automatically apply penalty brakes in case the driver is incapacitated. Similar operation is available in older locomotives in the form of Deadman’s Lever.

vigilance control device

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• Standards: IEC-60571, IEC61000-4-2, 3, 4, 6, 8 & CISPR11
• Bypass switch: To bypass VCD operation

Vigilance Control Device supervises the alertness of the driving crew during train movement. This device can be installed in diesel electric and electric locomotivesEMUs as a standalone unit. Normal driving activities like throttle, master controller, sander, loco brake, train brake, dynamic brake, etc. are taken as input signals for VCD operation. Improves vigilance and provides warning and brake application signals in a predefined manner. Records data with date and time, power on off, penalty brake application, VCD By pass, VCD fault condition, VCD activation, VCD suppression etc. in a non-volatile memory for management review.

vigilance control device

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Vigilance Control Device (VCD) is a microcontroller based safety device which will automatically apply penalty brakes in case the driver is incapacitated. Similar operation is available in older locomotives in the form of Deadman’s Lever.Operating PrincipleInstalled on locomotive, VCD gives cyclic warning to the driver. Based on drivers reaction to this warning (in terms of any of the pre-defined sets of actions to be done by the driver), the system automatically resets the alerting cycle. In case, the driver fails to acknowledge the initial alert signals, a set of additional alert indications are given. Even failing to respond to these additional alert signals also will result in automatic application of penalty brakes.Some of the pre-defined set of actions to reset Alerter cycle can include: Change of notch position/ Master Handle Reverser Increase / decrease of level of dynamic braking Normal application of formation brakes Operation of locomotive horn Operation of sanding valves Pressing of VCD reset button Other customized actions based upon locomotive type These pre-defined set of actions are regularly monitored by VCD system and VCD cycle is reset whenever any of the above actions takes place.In case the driver fails to acknowledge the Alerter warning signal during initial time period (say 60 sec), an additional indication in form of blinking LED will be given for a pre-defined time. After the predefined time if acknowledgement is not yet received, an additional audio alarm is given. If the driver further fails to acknowledge the alarm, automatic application of brakes will take place and Engine is brought to IDLE speed.

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