Industrial Fan and Blower Systems Overview
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Questions and Answers

What is the nominal voltage of the air ventilation and main blower units?

  • 220 V
  • 98-135 V AC
  • 50 Hz
  • 415 V ±10% (correct)

    • Which material is used for the fan blade in the coach fan?

  • Plastic
  • Steel
  • Nylon (correct)
  • Aluminium

    • What is the power consumption at rated capacity for the air ventilation and blower units?

  • 1.75 kW
  • 22.0 Nm
  • 1.6 kW (correct)
  • 24.4A

    • What is the power factor of the coach fan?

    <p>0.9</p> Signup and view all the answers

    What is the sweep size of the coach fan?

    <p>450 mm</p> Signup and view all the answers

    At what speed does the air ventilation and blower unit operate at rated power?

    <p>2840 rpm</p> Signup and view all the answers

    What is the efficiency of the blower unit at rated capacity?

    <p>49 %</p> Signup and view all the answers

    What is the air delivery rate of the coach fan?

    <p>85 m3/min</p> Signup and view all the answers

    What is the starting current of the air ventilation motor?

    <p>24.4 A</p> Signup and view all the answers

    What is the power output at the shaft for the air ventilation and blower unit at the working point?

    <p>1.25 kW</p> Signup and view all the answers

    What power factor is indicated for the air ventilation system?

    <p>0.82</p> Signup and view all the answers

    Which aspect of the air ventilation and blower unit has the lowest efficiency rating?

    <p>Blower efficiency</p> Signup and view all the answers

    Which material is specified for the wire mesh and body of the coach fan?

    <p>Aluminium</p> Signup and view all the answers

    What is the expected air delivery rate for the coach fan?

    <p>85 m3/min</p> Signup and view all the answers

    Which of the following specs is related to the coach fan's operational speed?

    <p>1200 rpm</p> Signup and view all the answers

    Which is the nominal voltage specification for the coach fan?

    <p>98-135 V</p> Signup and view all the answers

    What is the torque produced at the starting current for the air ventilation motor?

    <p>22.0 Nm</p> Signup and view all the answers

    What is the total power consumption of the air ventilation unit at its rated capacity?

    <p>1.6 kW</p> Signup and view all the answers

    What is the RPM at which the air ventilation and blower units operate at their rated power?

    <p>2840 rpm</p> Signup and view all the answers

    Which company manufactured the air ventilation and blower units?

    <p>Siemens</p> Signup and view all the answers

    What is the make of the coach fan mentioned in the specifications?

    <p>M/s Raman Sinha (Shankar)</p> Signup and view all the answers

    Which of the following specifications is associated with the motor of the air ventilation and main blower units?

    <p>2840 rpm operational speed</p> Signup and view all the answers

    What is the nominal voltage specification for the air ventilation system?

    <p>415 V ±10%</p> Signup and view all the answers

    Which type of motor is used in the air ventilation and main blower units?

    <p>Induction motor</p> Signup and view all the answers

    What is the power factor of the air ventilation motor at rated power?

    <p>0.82</p> Signup and view all the answers

    What material is specified for the body of the coach fan?

    <p>Aluminium</p> Signup and view all the answers

    What is the power consumption at the rated capacity of the air ventilation unit?

    <p>1.6 kW</p> Signup and view all the answers

    What is the efficiency rating of the motor at rated capacity?

    <p>77.5%</p> Signup and view all the answers

    Which option represents the RPM of the coach fan?

    <p>1200 RPM</p> Signup and view all the answers

    Study Notes

    Coach Fan AC-DC EMU

    • Manufacturer: M/s Raman Sinha (Shankar)
    • Voltage: 98-135 V AC, 50 Hz AC
    • Power: 65 W
    • Power Factor: 0.9
    • Fan Blade Diameter: 450 mm
    • Fan Blade Length: 1200 mm
    • Air Delivery: 85 m³/min
    • Fan Blade Material: Aluminum
    • Fan Body Material: Nylon

    Air Ventilation & Main Blower Units

    • Manufacturer: Siemens
    • Model: 2CS7 352-8RG11-1EM8
    • Motor Type: 1PP9083-2LA99ZN03
    • Nominal Voltage: 3AC, 415V ±10% @ 50Hz
    • Starting Current and Torque: 24.4A/22.0Nm
    • Continuous Rating (shaft): 1.75kW
    • Speed (rated power): 2840 rpm
    • Power Factor (rated power): 0.82 slip, 5.3%
    • Power Consumption (rated capacity): 1.6 kW
    • Output Power (working point): 1.25 kW
    • Motor Efficiency (rated capacity): 77.5%
    • Blower Efficiency (rated capacity): 49%

    Passenger Information System

    • Component: Display Unit

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    Related Documents

    Maintenance Manual AC DC EMU (Siemens) PDF

    Description

    Explore the specifications and details of various industrial fan and blower units, focusing on their manufacturing details, power requirements, and efficiencies. This quiz will provide insights into air ventilation systems and passenger information systems.

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