According to NEC Article 250, neutral and ground wires must remain separate in subpanels. The neutral conductor is typically the grounded conductor connected to the system's neutral point, carrying current under normal operation. In a service equipment (main panel) and remote distribution panel (subpanel), the ground. In a plastic box, continuity is maintained between the equipment grounding conductors by joining them together inside the box rather than connecting them “to” the box.
[pdf] Current limiting reactors, also known as series reactors, are mostly used to increase the impedance at the right place in order to limit the short circuit currents and/or controlling load balance between parallel lines. Five alternators each rated 5 MVA, 13. 2 kV unacademy with 25% of reactance on its own base are connected in parallel to a busbar. Hitachi Energy's series reactors are usually the magnetically shielded air core. Nowadays, they can be installed in system voltages up to 500 kV, being connected directly to substation busbars, transmission line endings, or tertiary windings of large power transformers. simple protection requirements. customized space-saving solutions for installation in compact areas. They can also be used in high voltage electric power transmission.
[pdf] 
