Electrical Services Division


Mandate



Achievments

2021

  • Retrofitting Electro Mechanical relays with Numerical relays in CSS, NCSS-I, PDC-I, PDC-II, PDC-III, PDC-IV, RCL SS, GSB SS and CWS SS

Numerical relay retrofitting in electrical substation panels

2020

  • Commissioning of SCADA based substation monitoring system for CSS bus section A and PDC V substations.

SCADA-based substation monitoring system at CSS
SCADA monitoring system for PDC-V substation

  • Commissioning of PDC-X 6.6 kV Indoor sub-station.

PDC-X 6.6 kV indoor substation

  • Commissioning & integration of Phase-1 Grid-tied 340 kWp PV solar system at IGCAR parking area

340 kWp grid-tied photovoltaic solar system at IGCAR parking area
340 kWp solar photovoltaic panels at IGCAR parking area
Grid-tied solar power system installation at IGCAR

2019

  • Commissioning of PDC-VII 11 kV Indoor sub-station.

PDC-VII 11 kV indoor substation

  • Up-gradation of RCL substation DG set & AMF panel.

DG set and AMF panel at RCL substation
Upgraded DG set and AMF panel at RCL substation

  • Revamping of PCC panel at RCL substation

Revamped PCC panel at RCL substation

2018

  • Commissioning of Pallavaram DAE Nodal facility 11 kV Indoor sub-station.

Pallavaram DAE Nodal facility 11 kV indoor substation
Pallavaram DAE Nodal facility electrical substation

  • Commissioning & integration of Grid-tied 60 kWp PV solar system at PDC-II substation building

  • Commissioning & integration of Grid-tied 60 kWp PV solar system at PDC-VII substation building

60 kWp grid-tied solar power system at PDC-II substation building
60 kWp grid-tied solar power system at PDC-VII substation building

  • Retrofitting of 33 kV BOCB-4 with VCB at CSS.

33 kV BOCB-4 retrofitted with VCB at CSS

2015

  • Commissioning & integration of Grid-tied 30 kWp PV solar system at ESG Annex building.

30 kWp grid-tied solar power system at ESG Annex building
PDC-IX 11 kV indoor substation

  • Commissioning of PDC-IX 11 kV Indoor sub-station.

  • Commissioning of PDC-VIII 6.6 kV Indoor sub-station.

PDC-VIII 6.6 kV indoor substation

  • Implementation of energy efficient DC LED light fixtures and fans for Office buildings to improve service life without any major maintenance.

Energy-efficient DC LED light fixtures and fans in office buildings

  • Implementation of Lighting system with occupancy sensors for Lab/office building to conserve energy.

Lighting system with occupancy sensors for laboratory and office buildings
Occupancy sensor based energy-efficient lighting system

  • Implementaion of Exhaust fan control with weekly Timers for Lab/office building to conserve energy.

Exhaust fan control system with weekly timer

  • For System Improvement, Numerical Relay being developed by E& IG have been connected in 11 kV panel, CSS on a trial basis.

Numerical relay connected to 11 kV panel at CSS for trial
Numerical relay installation in CSS 11 kV panel
Numerical relay system for electrical protection

  • For System Improvement, Rear door safety logics by mechanical interlocks have been implemented in CSS (Bus section - B). This will prevent the rear door to be opened without switching Off the CB and with drawing it out-side the cubicle.

Rear door mechanical interlock safety system for CSS
Electrical panel rear door safety interlock mechanism
Expertise

Infrastructure/Facilities


Cable Route Tracer

Cable route tracing equipment
Megger relay testing kit


Relay Testing KIT-Megger



Relay Testing KIT-Omicron

Omicron relay testing kit
Insulation resistance tester


Insulation Resistance Tester



Low Resistance Measurement Kit

Low resistance measurement kit
Transformer winding resistance measurement kit


TX Winding Resistance Measurement Kit



415V, 3PH, 400A Testing Transformer

415 V three-phase 400 A testing transformer
Primary current injection kit


Primary Current Injection Kit



AC-HI Pot Kit

AC high-voltage test pot kit
Electrical cables laid in RCC trench


Cables laid in RCC Trench



Replacement of 415 Volts, PCC at RCL Sub-station

Replacement of 415 V PCC panel at RCL substation
Replacement of 415 V PCC panel at GSB substation phase 2


Replacement of 415 Volts, PCC at GSB Sub-station, phase-2



Earth leakage current monitoring relay & Retrofitted LV panel for design block building

Earth leakage current monitoring relay
 Retrofitted low-voltage panel for design block building