Energy Conservation in Traction Systems
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Questions and Answers

Who is responsible for monitoring the pattern of electricity consumption on electrified divisions?

  • Divisional Officers
  • Chief Electrical Engineer
  • Sr.DEE (TrD)
  • Senior Administrative Grade Officer of Electrical Department (correct)

What is the primary goal of providing shunt capacitor banks at traction sub-stations?

  • Enhance transformer efficiency
  • Reduce maximum demand and line losses (correct)
  • Increase line losses
  • Maintain high power demand

Which of the following is NOT an energy conservation measure mentioned for traction installations?

  • Providing guidance to divisional officers
  • Increasing simultaneous train starts (correct)
  • Monitoring demand with equipment
  • Keeping standby traction transformers de-energized

What should be done if maximum demand and energy consumption are found to be disproportionately high?

<p>Conduct a detailed investigation and advise concerned departments (C)</p> Signup and view all the answers

What action is advised to avoid bunching of trains in the event of a breakdown?

<p>Coordinate with the Section Controller to manage train starts (C)</p> Signup and view all the answers

Which officer is responsible for arranging training of officers and supervisors in energy conservation?

<p>Senior Administrative Grade Officer of Electrical Department (C)</p> Signup and view all the answers

What is a consequence of not maintaining demand monitoring equipment?

<p>Unclear consumption patterns (A)</p> Signup and view all the answers

Which measure directly contributes to reducing no load losses?

<p>Keeping standby traction transformers de-energized (C)</p> Signup and view all the answers

What should be prioritized when providing shunt capacitor banks?

<p>Sub-stations feeding large marshalling yards (C)</p> Signup and view all the answers

Which function is NOT within the responsibilities of the Senior Administrative Grade Officer of Electrical Department?

<p>Develop electrical designs (B)</p> Signup and view all the answers

Why should the auxiliary transformer be kept isolated from the 25 kV side when deriving standby emergency power supply from OHE?

<p>To avoid no load loss. (D)</p> Signup and view all the answers

What is the primary benefit of coasting for Drivers and Motormen in suburban sections?

<p>To conserve energy. (D)</p> Signup and view all the answers

What issue can arise from connections to buried rail opposite sub-stations?

<p>Corrosion leading to increased resistance. (B)</p> Signup and view all the answers

What strategy should be employed when a train goes up a short up-gradient?

<p>Allow speed to drop and pick up afterwards. (D)</p> Signup and view all the answers

Which of the following is NOT a suggested energy conservation measure for maintenance installations?

<p>Run machines continuously. (A)</p> Signup and view all the answers

What role do 'Coasting Boards' play for Drivers and Motormen?

<p>They assist in energy conservation during travel. (B)</p> Signup and view all the answers

What is an important consideration for maintaining low resistance at conductor joints?

<p>Periodical inspection and maintenance. (D)</p> Signup and view all the answers

Why should standby transformers be de-energized from the HV side?

<p>To conserve energy. (D)</p> Signup and view all the answers

What feature assists in ensuring proper operation during periods of learning the road for train operation?

<p>Time totalizers installed in EMUs. (C)</p> Signup and view all the answers

What is a key action to minimize electrical energy waste in service buildings?

<p>Switch off non-essential electrical devices. (B)</p> Signup and view all the answers

What is a critical factor to consider when maintaining connections to buried rail opposite sub-stations?

<p>Prone to corrosion (C)</p> Signup and view all the answers

What is the purpose of 'Coasting Boards' fixed at appropriate points on suburban sections?

<p>To alert drivers for speed control during coasting (A)</p> Signup and view all the answers

During periods of undulating terrain, what should drivers be aware of when managing train speed?

<p>Allow speed to drop on short up-gradient (B)</p> Signup and view all the answers

Which of the following actions should NOT be taken to conserve energy in maintenance installations?

<p>Keep lights on continuously (A)</p> Signup and view all the answers

What is a recommended practice for drivers to save energy in level sections, particularly in suburban areas?

<p>Use coasting effectively (A)</p> Signup and view all the answers

Why is it important to periodically inspect conductor joints and parallel groove clamps?

<p>To attain low resistance (A)</p> Signup and view all the answers

What energy conservation measure helps in the proper management of excess idle machinery?

<p>Checking idle running of machines (D)</p> Signup and view all the answers

What procedure should be followed concerning standby transformers to improve energy conservation?

<p>Deenergize from the high voltage side (D)</p> Signup and view all the answers

Which approach should be avoided to maximize energy saving when operating trains?

<p>Braking continuously while approaching signals (D)</p> Signup and view all the answers

When traversing downhill after a crest, what should a driver expect regarding the train's speed?

<p>The train will gain speed with power off (C)</p> Signup and view all the answers

What should be the focus when arranging for training of officers and supervisors in energy conservation?

<p>Providing insights on energy conservation measures (B)</p> Signup and view all the answers

Which of the following best describes the purpose of having standby traction transformers de-energized?

<p>To reduce no load losses during non-use (C)</p> Signup and view all the answers

What is a critical action that should be taken if a detailed investigation points to high energy consumption?

<p>Formulate corrective actions to address the issue (C)</p> Signup and view all the answers

Which area should be prioritized when installing shunt capacitor banks?

<p>Sub-stations that service large marshalling yards (B)</p> Signup and view all the answers

What should the Traction Power Controller aim to do to manage train operations effectively?

<p>Coordinate with the Section Controller to minimize energy spikes (B)</p> Signup and view all the answers

What is essential for achieving safe and reliable operation while implementing energy conservation measures?

<p>Maintaining equipment functionality without compromise (A)</p> Signup and view all the answers

In monthly meetings regarding energy consumption, what should Sr.DEE (TrD) and Sr.DEE (OP) focus on?

<p>Correlation of consumption with traffic moved (A)</p> Signup and view all the answers

What role do demand monitoring equipment play in energy conservation?

<p>They help track and manage energy usage efficiently (A)</p> Signup and view all the answers

Which of the following actions would lead to excessive line losses in energy consumption?

<p>Failing to coordinate train departures effectively (A)</p> Signup and view all the answers

What main benefit do shunt capacitor banks provide at traction sub-stations?

<p>Reduction of maximum demand and line losses (D)</p> Signup and view all the answers

What should the Sr.DEE (TrD) and Sr.DEE (OP) analyze in their monthly meetings?

<p>Maximum demand and energy consumption in relation to traffic moved (D)</p> Signup and view all the answers

Which strategy should be adopted to minimize maximum demand at traction sub-stations?

<p>Utilize shunt capacitor banks (B)</p> Signup and view all the answers

What is a necessary step if energy consumption is found to be disproportionately high?

<p>Conduct a detailed investigation and provide corrective actions (A)</p> Signup and view all the answers

What action should the Traction Power Controller take to prevent operational issues during train starts?

<p>Coordinate with the Section Controller to avoid simultaneous starts (C)</p> Signup and view all the answers

What type of equipment should be kept de-energized to save on no load losses?

<p>Standby traction transformers (C)</p> Signup and view all the answers

What role does the Senior Administrative Grade Officer of the Electrical Department fulfill in energy conservation?

<p>Oversee the monitoring of energy consumption and implement conservation measures (B)</p> Signup and view all the answers

What is the primary focus for the guidance provided to Divisional Officers?

<p>Implementing energy conservation measures (D)</p> Signup and view all the answers

What is a consequence of not maintaining demand monitoring equipment?

<p>Inability to effectively analyze energy usage (C)</p> Signup and view all the answers

Which of the following describes a specific recommendation for energy conservation in existing systems?

<p>Implement energy-efficient designs and existing measures (D)</p> Signup and view all the answers

What should the focus be on when planning energy conservation measures?

<p>Ensuring safe and reliable operation of equipment and train services (C)</p> Signup and view all the answers

What should be done to ensure low resistance at conductor joints and clamps?

<p>Perform periodic inspection and maintenance. (C)</p> Signup and view all the answers

How can Drivers and Motormen save energy on down gradients?

<p>Coast as much as possible. (A)</p> Signup and view all the answers

What is a common issue with buried rail connections at substations?

<p>Corrosion leading to increased resistance. (D)</p> Signup and view all the answers

When should standby transformers be kept de-energized?

<p>From the high voltage side. (C)</p> Signup and view all the answers

What should be prioritized when helping conservation of energy in maintenance installations?

<p>Check for leakage and wastage of resources. (B)</p> Signup and view all the answers

What feature assists Drivers when learning the road?

<p>Coasting Boards at strategic points. (C)</p> Signup and view all the answers

What is a vital action during undulating terrain for train speed management?

<p>Allow speed to drop when ascending short up-gradients. (A)</p> Signup and view all the answers

What is the purpose of de-energizing equipment not in use?

<p>Helps in better energy conservation. (A)</p> Signup and view all the answers

What is a suggested practice during maintenance to conserve energy?

<p>Keep lights, fans, and AC off when not necessary. (B)</p> Signup and view all the answers

What should be done to minimize electrical losses at substations?

<p>Ensure good electrical connection through regular maintenance. (C)</p> Signup and view all the answers

What maintenance practice is essential to prevent increased resistance and energy loss in connections to buried rail opposite sub-stations?

<p>Inspect and maintain connections periodically (C)</p> Signup and view all the answers

In suburban sections, what is the primary purpose of 'Coasting Boards' installed for Drivers and Motormen?

<p>To encourage efficient speed management and coasting (A)</p> Signup and view all the answers

What should drivers do when managing speed on an undulating terrain, specifically after passing the crest of a hill?

<p>Allow speed to drop during the ascent (B)</p> Signup and view all the answers

Which method is advised for maximizing energy conservation during maintenance installations?

<p>Maximize the use of natural daylight (D)</p> Signup and view all the answers

When re-scheduling booked speed of EMUs, what is a key consideration for energy conservation?

<p>Adjust speeds to utilize gradients for optimal energy use (D)</p> Signup and view all the answers

What should be done to auxiliary transformers when deriving standby emergency power supply from OHE?

<p>Isolate them from the 25 kV side (C)</p> Signup and view all the answers

What is an effective strategy for energy conservation when trains are traversing level sections and suburban areas?

<p>Coast as much as possible and brake only when necessary (A)</p> Signup and view all the answers

What is the responsibility of the officer nominated by the Chief Electrical Engineer regarding energy conservation?

<p>Monitor and plan for energy conservation measures (A)</p> Signup and view all the answers

What aspect of conductor joints needs to be ensured to maintain low resistance and improve energy efficiency?

<p>Ensuring good electrical contact through inspection (A)</p> Signup and view all the answers

Which of the following actions should be prioritized to reduce maximum demand at traction sub-stations?

<p>Implementing shunt capacitor banks (B)</p> Signup and view all the answers

What should be the focus of the monthly meetings held by Sr.DEE (TrD) and Sr.DEE (OP)?

<p>Analyzing energy consumption compared to previous months (A)</p> Signup and view all the answers

What is a key measure to avoid excessive line losses at traction sub-stations?

<p>Maintaining demand monitoring equipment in working order (B)</p> Signup and view all the answers

Which practice should be avoided to ensure safe energy conservation in traction operations?

<p>Leaving standby traction transformers energized (A)</p> Signup and view all the answers

Which measure is not recommended for the conservation of electrical energy in traction systems?

<p>Conducting breakdown drills frequently (B)</p> Signup and view all the answers

What action is recommended if there is a significant increase in energy consumption?

<p>Conduct a detailed investigation (A)</p> Signup and view all the answers

What should be maintained in working order to ensure effective energy monitoring?

<p>Demand monitoring equipment (A)</p> Signup and view all the answers

Flashcards

Energy Conservation Monitoring

Systematically tracking and managing electricity usage to prevent waste in electric traction.

Energy Conservation Officer

A senior electrical department officer responsible for planning, implementing, and monitoring energy conservation in electrified divisions.

Monthly Energy Consumption Analysis

Regular review of electrical energy consumption and maximum demand figures in electrified divisions compared to previous periods, considering traffic levels.

Energy Efficient Equipment

Equipment designed to reduce energy consumption in traction systems.

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Shunt Capacitor Banks

Devices installed at traction sub-stations to reduce peak demand and transmission line losses.

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Standby Traction Transformers

Traction transformers kept in a non-operational state during non-active use to conserve energy.

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Demand Monitoring Equipment

Devices to measure and track peak power demand.

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Synchronized Train Starts

Coordinating train starts to avoid excessive peak demand for electricity.

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Train Bunching

Grouping of trains due to issues or operational needs which is to be avoided where possible to allow for electricity savings.

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Standby Emergency Power Supply from OHE

Standby emergency power sources derived from overhead contact lines (OHE).

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Auxiliary Transformer Isolation

Keeping auxiliary transformers isolated from the 25 kV system when the standby power source is from OHE, to prevent loss from no-load operation.

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Signal Power Exception

Transformer isolation not required for signal power, where immediate changeover is needed.

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Conductor Joint Maintenance

Regular inspection and maintenance of conductor joints (splices) and parallel groove (PG) clamps to ensure low electrical resistance.

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Return Current Connection Maintenance

Regular inspection and maintenance of return current connections to buried rail, crucial to avoid corrosion and maintain low resistance.

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Energy Conservation on Down Gradients

Drivers should use favorable track conditions/downward slopes to reduce energy consumption.

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Coasting on Level/Suburban Sections

Trains should coast (maintain momentum without using brakes) on level and suburban sections whenever possible to maximize energy savings.

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Undulating Terrain Speed Management

Adjust speed based on gradient; speed will naturally increase on down-slopes, allowing for maximum permissible speed at the next upgrade.

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EMU Speed Rescheduling

Adjusting booked speeds of Electric Multiple Units (EMUs) to save energy.

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Maintenance Installation Energy Conservation

Turn off unnecessary lights, fans, air conditioners; de-energize standby transformers; check idle machines, prevent compressed air and water leakage/misuse; maximize natural light use.

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Energy Conservation Monitoring

Systematically tracking and managing electrical energy usage to avoid waste in electric traction systems.

Signup and view all the flashcards

Energy Conservation Officer

A senior electrical department officer responsible for planning, implementing, and monitoring energy conservation measures in electrified railway divisions.

Signup and view all the flashcards

Monthly Energy Consumption Analysis

Regular review of electrical energy consumption and maximum demand in electrified divisions compared to previous periods, accounting for train traffic.

Signup and view all the flashcards

Shunt Capacitor Banks

Devices installed at traction substations to reduce peak demand and transmission line losses.

Signup and view all the flashcards

Standby Traction Transformers

Traction transformers kept in a non-operational state in non-use situations to conserve energy.

Signup and view all the flashcards

Demand Monitoring Equipment

Devices to measure and track peak power demand.

Signup and view all the flashcards

Synchronized Train Starts

Coordinating train starts to avoid high electrical surges.

Signup and view all the flashcards

Train Bunching

Grouping of trains due to issues or operational needs, to be avoided where possible, for energy savings.

Signup and view all the flashcards

Auxiliary Transformer Isolation

Keeping auxiliary transformers separate from the 25 kV system when standby power comes from overhead lines (OHE) to prevent energy loss.

Signup and view all the flashcards

Signal Power Exception

Transformer isolation not needed for signal power when quick changeover is crucial.

Signup and view all the flashcards

Conductor Joint Maintenance

Regular checking and upkeep of conductor joints and parallel groove clamps to maintain low resistance.

Signup and view all the flashcards

Return Current Connection Maintenance

Regular checking and upkeep of return current connections, preventing corrosion and maintaining low resistance.

Signup and view all the flashcards

Energy Conservation on Down Gradients

Drivers utilize favorable downhill slopes to minimize power usage.

Signup and view all the flashcards

Coasting on Level/Suburban Sections

Maintain momentum without brakes on flat and suburban tracks for energy saving.

Signup and view all the flashcards

Undulating Terrain Speed Management

Adjusting speed based on track slopes; speeds naturally increase on down slopes, aiming for optimal speed at the next uphill.

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EMU Speed Rescheduling

Modifying booked speeds of Electric Multiple Units (EMUs) to conserve energy.

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Maintenance Installation Energy Conservation

Turning off unneeded lights, fans, air conditioning, de-energizing standby transformers, checking machines for idleness, preventing compressed air/water leakage/misuse, maximizing natural light use.

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Energy Conservation Monitoring

Tracking and managing electricity use in electric traction to prevent waste.

Signup and view all the flashcards

Energy Conservation Officer

Electrical department officer responsible for energy conservation planning in electrified railway divisions.

Signup and view all the flashcards

Monthly Energy Consumption Analysis

Reviewing monthly electricity usage and peak demand, comparing to previous months and traffic levels.

Signup and view all the flashcards

Shunt Capacitor Banks

Devices at traction substations reducing peak demand and line losses.

Signup and view all the flashcards

Standby Traction Transformer

Traction transformer kept off during non-use to save energy.

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Demand Monitoring Equipment

Devices for measuring and tracking peak power demand.

Signup and view all the flashcards

Synchronized Train Starts

Coordinating train starts to avoid simultaneous high energy demand.

Signup and view all the flashcards

Train Bunching

Grouping of trains due to operational issues, ideally avoided to reduce electricity consumption.

Signup and view all the flashcards

Energy Conservation Measures for Traction Installations

Methods to reduce energy consumption in railway traction.

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Energy Conservation Measures

Actions to reduce electrical energy use in existing traction systems.

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Standby Emergency Power Supply from OHE

Emergency power for trains derived from overhead contact lines (OHE).

Signup and view all the flashcards

Auxiliary Transformer Isolation

Keeping auxiliary transformers separate from the 25 kV system when using standby power from OHE to prevent energy loss.

Signup and view all the flashcards

Signal Power Exception

Transformer isolation isn't needed for signal power when quick power switching is necessary.

Signup and view all the flashcards

Conductor Joint Maintenance

Regular inspection and maintenance of conductor joints and parallel groove clamps to ensure low resistance.

Signup and view all the flashcards

Return Current Connection Maintenance

Regular inspection and maintenance of connections for returning current to the buried rail to minimize resistance and corrosion.

Signup and view all the flashcards

Energy Conservation on Down Gradients

Using downhill slopes to reduce energy use.

Signup and view all the flashcards

Coasting on Level/Suburban Sections

Maintaining train momentum without brakes on flat and suburban sections to save energy.

Signup and view all the flashcards

Undulating Terrain Speed Management

Adjusting train speeds based on the track's elevation to maximize savings.

Signup and view all the flashcards

EMU Speed Rescheduling

Modifying scheduled speeds of Electric Multiple Units (EMUs) to reduce energy consumption.

Signup and view all the flashcards

Maintenance Installation Energy Conservation

Minimizing energy use at maintenance facilities by turning off unnecessary equipment and reducing waste.

Signup and view all the flashcards

Auxiliary Transformer Isolation

Keeping auxiliary transformers separate from the 25 kV system when standby power comes from overhead lines (OHE) to prevent energy loss.

Signup and view all the flashcards

Signal Power Exception

Transformer isolation isn't needed for signal power when quick power switching is necessary.

Signup and view all the flashcards

Conductor Joint Maintenance

Regular inspection and maintenance of conductor joints and parallel groove clamps to ensure low resistance.

Signup and view all the flashcards

Return Current Connection Maintenance

Regular inspection and maintenance of connections for returning current to the buried rail to minimize resistance and corrosion.

Signup and view all the flashcards

Energy Conservation on Down Gradients

Using downhill slopes to reduce energy use.

Signup and view all the flashcards

Coasting on Level/Suburban Sections

Maintaining train momentum without brakes on flat and suburban sections to save energy.

Signup and view all the flashcards

Undulating Terrain Speed Management

Adjusting train speeds based on the track's elevation to maximize savings.

Signup and view all the flashcards

EMU Speed Rescheduling

Modifying scheduled speeds of Electric Multiple Units (EMUs) to reduce energy consumption.

Signup and view all the flashcards

Standby Emergency Power Supply from OHE

Emergency power for trains derived from overhead contact lines (OHE).

Signup and view all the flashcards

Maintenance Installation Energy Conservation

Minimizing energy use at maintenance facilities by turning off unnecessary equipment and reducing waste.

Signup and view all the flashcards

Energy Conservation Monitoring

Systematically tracking and managing electricity usage to prevent waste in electric traction systems.

Signup and view all the flashcards

Energy Conservation Officer

A senior electrical department officer responsible for planning, implementing, and monitoring energy conservation in electrified railway divisions.

Signup and view all the flashcards

Monthly Energy Consumption Analysis

Regular review of electrical energy consumption and maximum demand in electrified railway divisions, comparing them to previous months and train traffic.

Signup and view all the flashcards

Shunt Capacitor Banks

Devices installed at traction substations to reduce peak demand and transmission line losses.

Signup and view all the flashcards

Standby Traction Transformers

Traction transformers kept in a non-operational state during non-active use to conserve energy.

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Demand Monitoring Equipment

Devices to measure and track peak power demand in electricity grids.

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Synchronized Train Starts

Coordinating train starts to avoid simultaneous high energy demand, maximizing energy efficiency.

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Train Bunching

Grouping trains due to operational needs; ideally to be avoided to save electricity.

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Energy Conservation Measures for Traction Installations

Methods of reducing electrical energy consumption in railway traction infrastructure.

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Energy Conservation Measures

Actions to reduce electricity use in existing railway traction systems.

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Standby Emergency Power Supply from OHE

Emergency power sources derived from overhead contact lines (OHE) for railway trains.

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Auxiliary Transformer Isolation

Keeping auxiliary transformers separate from the 25 kV system during emergency conditions to avoid energy loss.

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Conductor Joint Maintenance

Regular inspection and maintenance of conductor joints (splices) and parallel groove (PG) clamps to minimize electrical resistance.

Signup and view all the flashcards

Energy conservation on Down Gradients

Using the natural downhill slope to minimize power needed for braking and speed control

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Coasting on Level/Suburban Sections

Maintaining momentum without brakes on flat and suburban sections to maximize energy savings.

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Maintenance Installation Energy Conservation

Minimizing energy usage at maintenance facilities by turning off unnecessary lights, equipment, and preventing unnecessary use of compressed air or water.

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Study Notes

Energy Conservation in Traction

  • Staff connected with electric traction must minimize electricity waste.
  • A senior electrical officer manages energy conservation matters. This officer monitors electrical consumption on electrified divisions and provides guidance to divisional officers.
  • Senior DEE officers (TrD and OP) hold monthly meetings to analyze energy consumption and maximum demand compared to previous months. Issues with high demand require investigation and corrective action.
  • Energy-efficient equipment and better designs reduce consumption, but existing systems require measures to conserve electricity.
  • Shunt capacitor banks at traction substations minimize maximum demand.
  • Standby traction transformers remain de-energized to save no-load losses.
  • Demand monitoring equipment should be maintained.
  • Traction power controllers avoid simultaneous train starts.
  • Avoid unnecessary bunching of trains during breakdowns.
  • Auxiliary power sourced from overhead lines should be isolated to avoid no-load losses.

Energy Conservation Measures for Rolling Stock

  • Drivers should utilize downhill gradients efficiently.
  • Coasting (reducing brake use) is emphasized on level and, particularly, suburban sections.
  • Time totalizers are provided in some EMUs, and coasting boards in suburban areas to help drivers.
  • Train speed can be reduced on uphill sections, and the speed picks up on downhills automatically when power is off, up to a maximum permissible speed.
  • Train schedules can be adjusted to help energy conservation.

Energy Conservation Measures for Maintenance Installations

  • Lights, fans, and air conditioners should be switched off when not required.
  • Standby transformers should stay de-energized from the high voltage side.
  • Idle machine operation should be checked.
  • Compressed air leakage and misuse should be checked.
  • Leaks and water wastage should be addressed.
  • Natural light usage should be maximized.

New Developments

  • Staff should be updated on developments in 3-phase drive electric locomotives.
  • Electric locomotive simulators help drivers efficiently use trains.
  • On-board power factor correction equipment efficiently uses electricity.

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Related Documents

Indian Railways AC Traction Manual Volume 1 - Energy Conservation PDF

Description

This quiz focuses on the principles and practices of energy conservation in electric traction systems. It covers the role of officers in managing electricity consumption, as well as various strategies for minimizing waste and improving efficiency. Test your knowledge on the operational measures taken to ensure effective energy use in electrified transport systems.

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