11/33KV HT Sub Station

Complete outdoor High Tension substations including structural switchyards, lightning protection masts, isolators, and transformer links.

11/33KV HT Sub Station

Product Overview

Complete outdoor High Tension substations including structural switchyards, lightning protection masts, isolators, and transformer links. HAPL Controls panels are constructed under strict quality control, utilizing standard raw materials and certified components. Each system undergoes primary injection, secondary injection, megger, and voltage test checks before transport.

Key Features

Complete engineering, supply, and structural switchyard installation
Heavy-duty outdoor isolators with earth-switch extensions
Surge arresters positioned for direct transformer protection
Robust steel structural frames with hot-dip galvanizing
Lightning protection shields and grounding grid designs

Applications

  • Factory power receiving yard interfaces
  • Solar project collector grid sub-stations
  • Utility line stepping-down hubs

Industries Served

  • Heavy Factory Infrastructure
  • Solar & Wind Developers
  • Municipal Utilities
  • Rural Electrification

Technical Specifications

Inlet Voltages 11KV / 22KV / 33KV Grid Feed
Isolator Type Double Break / Center Break switches
Lightning Arrester Metal oxide gapless type (10kA class)
Grounding System Copper/GI strip grounding mesh
Structures Galvanized steel lattice towers / Gantry structures
Clearance Specs As per Central Electricity Authority (CEA) norms

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