High Tension Power Distribution Quiz

An electrical connection used for transmitting electricity at high voltage levels, typically above 1,000 volts.

The voltage range associated with High Tension connections, typically above 1,000 volts, with variations based on power distribution.

To transmit electricity over long distances, reducing energy loss during transit from power plants to substations.

Specialized equipment like transformers, circuit breakers, isolators, and insulators designed to handle high voltage safely.

HT power lines connect to substations where voltage is stepped down for further distribution.

Requires strict safety protocols and regulations, including proper training and personal protective equipment for personnel working with them.

A facility receiving high-voltage electricity from the grid and distributing it to an industrial facility.

Lines transmitting high-voltage electricity from the power grid to the substation.

Devices controlling and protecting electrical circuits by interrupting the flow of electricity during faults.

Components stepping down high voltage electricity to usable levels for industrial equipment.

Selecting a transformer with sufficient capacity (KVA) to handle current and future load requirements.

Selecting a transformer with appropriate voltage levels for the facility's needs.

A system providing a path for fault currents to dissipate into the ground for safety.

Dry-type (askarel-filled/sealed) and oil-filled transformers are used for different applications and locations.

Transformers have a minimum impedance based on their size (kVA) and voltage rating.

Using a single 3-phase transformer is more efficient and cost-effective than using three single-phase transformers for the same 3-phase load.

Electrical demand and consumption associated with manufacturing and industrial processes.

Industrial facilities have varying electrical requirements based on the type of industry and processes involved.

Proper motor starting is essential for smooth operation, minimizing stress on the motor and preventing system disturbances.

Commonly used industrial motors due to their simplicity, reliability, and cost-effectiveness.

Standard impedance values have a tolerance range of plus or minus 7 1/2%.

Location of transformers depends on factors like transformer type (dry or oil-filled), ventilation requirements, and atmospheric conditions.

Choosing between air-insulated (AIS) and gas-insulated (GIS) switchgear based on space and needs.

A low-resistance path for fault currents to safely dissipate into the ground.

Measuring the soil's ability to conduct electricity, crucial for earthing design.

Improving the efficiency of an electrical system by reducing reactive power.

Reactive power component in an AC circuit, measured in kilovolt-amperes reactive.

The ratio of real power (kW) to apparent power (kVA) in a system.

Device used to connect an electrical system to the ground, like ground rods or grids.

Adhering to local electrical codes and standards during design and selection.

Using an autotransformer to initially reduce starting voltage and current for motors.

Gradually increases motor voltage to reduce starting current and mechanical stress.

Applies full voltage directly to the motor terminals.

Connects motor in star initially to reduce current, then switches to delta for operation.

Systems to minimize damage from lightning strikes to structures and occupants.

Pointed conductive elements attracting lightning to a safe path.

Choosing cables based on voltage, current capacity, conditions, and installation method.

Choosing switchgear that matches the voltage and current ratings of the system.

Schematic representation of a power system showing components and connections.

Load characteristics, speed requirements, and efficiency influence motor choice.