Sub-Station Supply, Installation & Commissioning

Sub-Station Design & Planning

1. Complete electrical design for 11 kV & 33 kV systems.
2. Load calculation, SLD (Single Line Diagram), layout drawing.
3. Customized solutions for industries, commercial buildings, and infrastructure.

Transformer Supply & Installation

1. Power transformers (oil-cooled, dry-type).
2. Voltage levels: 11/0.4 kV and 33/11 kV ranges.
3. Installation with earthing, oil testing, and commissioning.

Low Tension (LT) Switchgear

1. MDB (Main Distribution Board), SDB (Sub Distribution Board).
2. Busbar systems, circuit breakers, and protection devices.

High Tension (HT) Switchgear

1. LBS (Load Break Switch): Reliable isolation and protection at HT level.
2. VCB (Vacuum Circuit Breaker): High-efficiency arc interruption system.

Ring Main Unit (RMU)

1. Compact HT protection system for 11/33 kV network.
2. Ensures uninterrupted power through loop configuration.

Power Factor Improvement (PFI) Plant

1. Auto and manual capacitor bank panels.
2. Enhances system efficiency by maintaining unity power factor.

Drop-Out Fuse (DOF)

1. Pole-mounted line protection against faults and overloads.
2. Ensures safe disconnection of faulty circuits.

Lightning Arrester (LA)

1. Surge protection for HT lines, transformers, and panels.
2. Installed at incoming feeders and on pole tops.

HT Metering Panel

1. Accurate energy monitoring with CT/PT integration.
2. Compliant with utility metering standards.

Control & Protection Panels

1. Relay Control Panel (33 kV): Controls protection relays & trip circuits.
2. Battery Charger Panel: Maintains backup for critical loads.
3. AC/DC Panels: Auxiliary supply and control voltage systems.

Instrument Transformers

1. CT (Current Transformer) and PT (Potential Transformer) for 11 kV and 33 kV systems.
2. Essential for measurement and protection circuits.

Breaker & Protection Devices

1. 4P, 3P, 2P, and 1P Circuit Breakers from:
2. Hyundai Electric
3. ABB
4. Schneider Electric
5. Legrand