HVDC voltage can be reduced using converter stations equipped with specialized equipment. At the receiving end of an HVDC transmission system, a converter station equipped with a DC-AC inverter can step down the DC voltage to a lower level. This is achieved by converting high voltage direct current back to alternating current at the desired voltage.
Additionally, voltage reduction can occur through voltage regulators and step-down transformers specifically designed for HVDC applications, which adjust voltage levels according to distribution needs.
HVDC (high voltage direct current) works by transmitting electrical energy as direct current rather than alternating current. The process involves converting AC to DC at a converter station, transmitting the DC over long distances via HVDC lines, and then converting it back to AC at the receiving end.
This method reduces energy losses during transmission and enables efficient energy transfer over long distances. HVDC systems are particularly effective for submarine cables and connecting remote power generation sources.
Direct current (DC) has fewer losses during transmission than alternating current (AC), primarily because DC does not suffer reactive power losses. In AC systems, reactive power can cause energy to be lost as heat in transmission lines due to alternating magnetic fields.
DC eliminates these losses because it maintains a constant current flow, thereby reducing energy dissipation and improving transmission efficiency over long distances.
The voltage in high-voltage lines is so high that it reduces power losses during transportation. A higher voltage allows the same amount of power to be transmitted with a lower current, reducing I²R losses (where I is current and R is resistance) in transmission lines.
By using high voltage, energy transmission efficiency is increased, allowing electricity to be transmitted over long distances with minimal energy loss.
The advantage of high voltage in power transmission is to minimize energy losses and improve transmission efficiency. By increasing the voltage, the current required to transmit a given amount of power is reduced, resulting in lower resistive losses in the transmission lines.
This allows large amounts of electrical energy to be transmitted more efficiently over long distances, which is essential for connecting electricity generation sources to consumption centers and maintaining a stable and reliable power supply.