electrical construction (ENG)

Digital substation system installation in Korea converts traditional substation management — where people judged equipment condition directly — to a smart substation built on digital and communication technology. In a digital substation, intelligent electronic devices (IEDs) exchange monitoring and control signals over a LAN, so communication configuration and testing, rather than copper control wiring, become … 더 읽기

Substation panel installation in Korea covers installing the protection panels, monitoring and control panels and station service panels that protect, monitor and control substation equipment. Panels are the substation’s brain and nerves: if their arrangement does not match the field equipment or control cable shields are earthed wrongly, induction and surges can make protective relays … 더 읽기

Switchgear removal in Korean substations means safely removing breakers, disconnectors and their accessories. It is not just demolition: work is often done next to live equipment, SF6 must not be released to the atmosphere, and equipment for reuse has to be separated in reusable condition. This guide covers two stages: preparation and removal. Contents Common … 더 읽기

Switchgear installation in Korean substations covers installing breakers, disconnectors and their accessories that open and close circuits, then testing them to confirm performance, including relay interlock tests and interlocks between devices. In GIS, every live part sits inside the tank, so a speck of dust or drop of moisture let in during installation can later … 더 읽기

Equipment grounding on Korean substations covers connecting each item — transformers, switchgear, panels — to the earthing system and measuring earth resistance and electrical continuity so the substation runs safely. However good the mesh grid is, a loose or broken connection between equipment and grid leaves dangerous voltage on enclosures during a fault. This work … 더 읽기

Structural grounding on Korean substations covers bonding the building and its steel and reinforcement into the earthing system and measuring earth resistance so the substation can run safely. A substation building is itself a large mass of conductive material; if it is not firmly tied to the mesh grid, fault currents or surges create potential … 더 읽기

Mesh grounding on Korean substations means burying a grid of earth conductors under the site and measuring its earth resistance so the substation can operate safely. During an earth fault, large currents flowing into the ground create dangerous step and touch voltages; a dense grid keeps those voltages down to protect people and equipment. The … 더 읽기

Substation site execution management in Korea covers managing detailed work packages, requesting inspections after each stage, applying technical review opinions and adopting new technologies where useful. If construction management is the preparation before work starts, execution management is what keeps the site running to the design every day after it starts. This guide covers five … 더 읽기

Substation construction management in Korea covers reviewing the design, notifying the construction plan, and preparing commencement documents and the method statement so that the project runs to program. Substations overlap civil, building and electrical works and often call for special methods, so problems missed before construction come back as design changes and delays. This guide … 더 읽기

Substation ancillary facilities construction in Korea covers reviewing the design and installing the building’s electrical, telecommunications and fire protection systems that keep the substation and its buildings functioning. However well the main plant is built, the substation cannot run safely without proper building earthing, lightning protection, lighting, CCTV and fire detection. This work interlocks with … 더 읽기