Traction Power Control Operations Quiz

The central control point for switching operations in an electrified system.

The person in charge of switching operations at the RCC.

Assists the TPC at the RCC, if needed.

The RCC must be staffed continuously for 24 hours.

All switching operations and relevant details must be recorded in the LogBook.

Only authorized personnel are allowed to operate control switches and must know the actions involved.

TPC and ATPC must be familiar with all rules and procedures by the administration. They must also know the system's electrical details.

Access to the RCC is limited to authorized personnel.

Shift changes need explicit approval before changing hours or personnel.

A record of all shift changes and critical information passed between shifts.

The outgoing TPC must document all crucial information for the next shift in the Shift Duty Register before leaving duty.

Instances where the electric power supply is interrupted.

Controlled interruptions of power supply for safety or maintenance purposes.

Malfunction of the overhead line equipment (OHE).

Official record keeping of all switching activities and occurrences.

Record of critical information, especially for shift changes, including power blocks.

Daily summaries of power blocks, communication issues, equipment malfunctions, and other relevant data.

A breakdown in the 25 kV alternating current power supply, impacting signal and train operation.

The organization responsible for the provision of electrical power.

The person in charge of a substation that functions as a distribution hub.

The TPC is responsible for managing 25kV power supply for electric trains, having full knowledge of installations and sectionalization arrangements. They are directly in charge of control.

When starting a shift, a TPC must understand the section's electrical state (RC equipment, transformers, circuit breakers, etc.), power blocks, special instructions, important personnel, and vehicle locations.

Regularly review traffic delays, report to the Chief Controller, ensuring record accuracy.

Maintain constant communication with various controllers (Chief, Deputy, Section) on train operation problems.

Daily review and appropriate action on the Log Book and Shift Duty Register to ensure records are accurate and up to date.

During emergencies or train service interruptions, contact the Traffic Control Office and take direct handling of power controls if necessary.

Ensure that TPCs and ATPCs follow all operating rules and procedures; Suggest improvements and adjustments as needed.

Coordinate and finalize weekly power block programs for all traction staff, in collaboration with the Traffic Department.

Compile and analyze statistics on train failures, sourced from the SCADA system and instructions from senior personnel, reporting to relevant senior staff.

Report all necessary matters daily to the Chief Electrical Engineer's office, per instructions.

Safety markers indicating a compromised power supply; do not remove until bridging interrupters are opened.

Electrical switches that control power flow in railway lines.

Devices used to connect or disconnect sections of the electrical grid.

Providing temporary power supply; requires specific signals for pantograph management.

Problems in the overhead line equipment (OHE) that affect power supply.

Power lines providing 25 kV power to traction systems.

Traction Power Controller's action to restore power supply after initial interruption.

Automatic process to restore power after a temporary interruption.

Identifying and isolating faulty sections of the railway line.

Locomotive with malfunctioning components that can cause feeder circuit breaker tripping.

Bringing the pantograph down to assess fault location (OHE or locomotive).

Quick and efficient isolation of a faulty section.

The process of finding the specific location of a fault in an electrical system.

A standardized procedure for isolating a faulty section in a circuit breaker.

A section of the electrified system with two lines or sections.

Smaller parts within a larger electrical section.

When a circuit breaker automatically shuts off due to a fault.

Separating the faulty part of a system to prevent damage.

A set of switching steps applied to resolve the fault.

Traction Power Controller who operates switching equipment.

Switches that isolate portions of a circuit or line after a fault is identified.

Devices needed to break circuits after a fault.

A circuit breaker that supplies power to a section or component.

If grid power fails and anticipated to be out for less than 3 minutes, the TPC should immediately initiate emergency feeding from an adjacent substation.

If anticipated power outage is more than 10 mins, TPC should notify the Deputy/Section Controller, issue caution orders for lowering pantographs at specific points, and open circuit breakers of the affected substation.

Temporary power supply from adjacent substations during grid outages, prompting cautionary instructions for train drivers.

Instructions to train drivers to lower pantographs at specific locations during power outages, ensuring safety.

Safety markers placed on control switches to indicate a faulty power supply.

Electrical switches controlling power flow in railway lines; essential for managing outages and safety.

Switching mechanisms bridging affected substation sections during power outages.

Emergency calls and TPC calls take precedence over other calls at the RCC.

Detailed, chronological record of RCC activities, including switching operations, power outages, unusual events, messages, instructions, and equipment malfunctions.

TPC duties include monitoring maintenance staff locations to facilitate fast emergency response, and tracking movements should be documented.

The TPC verifies the accuracy of the clock at 1600 hrs each day using the traffic control office time signals.

At shift changes, the incoming TPC is responsible for checking all alarm circuits and testing mimic diagram panels (if available).

A diesel generator is available at each RCC to supply essential power in case of mains failure. TPCs and ATPCs need to be proficient in starting it. Weekly testing is required if not used due to mains availability.

Studying daily OHE and switching station failure reports, identifying operational impacts on trains, and reporting to the AEE (TrD).

Maintaining statistics on RCC equipment and ensuring scheduled maintenance.

Safety markers indicating a compromised power supply. Do not remove until bridging interrupters are opened.

Electrical switches controlling power flow in railway lines.

Devices connecting/disconnecting sections of the electrical grid.

Providing temporary power supply.

Problems in overhead line equipment affecting power supply.

Power lines providing 25 kV power to traction systems.

Traction Power Controller's action to restore power after initial interruption.

Automatic power restoration after a temporary interruption.

Identifying and isolating faulty sections of the railway line.

Locomotive with malfunctions causing feeder circuit breaker tripping.

Bringing the pantograph down to assess fault location (OHE or locomotive).

Quick and efficient isolation of a faulty section.

The process of identifying the exact location of a fault in an electrical system.

A standardized procedure for isolating a faulty section in a circuit breaker; provides a step-by-step guide for fault resolution.

When a circuit breaker automatically shuts off due to a detected fault.

Method to separate the faulty part of a system to prevent damage and restore power to the rest of the system.

The steps outlined on a control card to resolve the fault in a timely manner.

An electrified section with two separate lines.

Smaller sections within a larger electrical section used for isolating problems efficiently.

Traction Power Controller, responsible for switching operations, fault isolation, and power restoration.

Switches used to disconnect a section of a power line or circuit after locating a fault.

Devices used to interrupt or break electric circuits.

Circuit breaker supplying power to a section or component.

The process of isolating a faulty section of track on an electrified railway system by keeping open the appropriate circuit breakers.

Isolating healthy sections adjacent to a faulty section to prevent any spread of the problem.

Immediately informing the Section Controller about a faulty/healthy section by the TPC.

Restoring power to healthy sections only after receiving confirmation from the Section Controller that precautions have been taken.

A procedure where a faulty section is treated as if an emergency power block exists.

The process of OHE staff inspecting the fault and determining the required time to restore power.

A procedure to operate a train line using single line.

The factors considered before introducing single line working - including train traffic.

A calculation of the time needed for maintenance staff to reach and fix the faulty section.

Instructions issued to train drivers to cautiously operate in a section with temporarily isolated OHE.