Electrical LT & HT Maintenance Services

The scope of work includes comprehensive operation, preventive, and corrective maintenance of Low Tension (LT) and High Tension (HT) electrical systems to ensure safe, reliable, and uninterrupted power supply. All activities shall be carried out in accordance with applicable electrical standards, utility norms, and statutory safety regulations.

Services

  • Indoor & outdoor Panel.
  • VCB & ACB Panel.
  • Isolator & AB Switch.
  • RMU.
  • UG Power Cables.
  • Battery charger.
  • Relay testing & retrofitting.
  • AMC of STP/WTP.
  • AMC of fire hydrant system.
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  • Inspection and maintenance of HT switchgear (VCB, SF6, OCB).
  • Checking of HT panels, busbars, isolators, and earthing switches.
  • Servicing of circuit breakers including mechanical and electrical operations.
  • Inspection and testing of CTs, PTs, and protection relays.
  • Inspection and maintenance of LT panels, PCC, MCC, and distribution boards.
  • Checking and tightening of all power and control cable terminations.
  • Inspection of contactors, relays, MCCBs, ACBs, and changeover switches.
  • Testing and calibration of protection devices and meters.
  • Cleaning of panels and removal of dust, moisture, and carbon deposits.
  • Checking load balance, overheating, and abnormal conditions.
  • Inspection and maintenance of equipment and system earthing.
  • Measurement of earth resistance and rectification of defects.
  • Inspection of lightning arresters and surge protection devices.
  • Insulation resistance and continuity testing of LT circuits.
  • Functional testing of protection schemes and control circuits.
  • Assistance in shutdown maintenance and recommissioning of systems.
  • Attending breakdowns and electrical faults on call basis.
  • Fault diagnosis and rectification to restore power supply at the earliest.
  • Deployment of trained and licensed electrical personnel.
  • Use of approved PPEs, tools, and testing instruments.
  • Compliance with electrical safety rules, statutory regulations, and client safety procedures.
  • Submission of maintenance, testing, and inspection reports.
  • Maintenance logbook updates and compliance records.
  • Recommendations for system improvement and preventive actions.
  • Inspection of LT & HT cables for damage, overheating, or insulation deterioration.
  • Checking and tightening of cable terminations and glands.
  • Hi-pot / VLF testing of HT cables, if required.

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