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Engineering

AC / DC Interference Mitigation

Assessment and mitigation of induced AC from parallel transmission corridors and stray DC from foreign CP systems and traction networks. This is a common risk along Indian pipeline corridors and needs to be addressed at design stage.

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Scope of Work

What This Service Covers

  • Induced AC voltage and current density measurement
  • Stray current and foreign structure interference testing
  • Mitigation design covering earthing, gradient control and bonding
  • Zinc ribbon and gradient control mat installation
  • Surge diverter, polarisation cell and decoupler installation
  • Post mitigation verification measurement
Solid state decoupler (SSD) used across an insulating joint
Solid state decoupler (SSD) used across an insulating joint

Deliverables

  • Interference assessment report with measured data
  • Mitigation design and bill of materials
  • Post mitigation compliance verification

Applicable Standards

  • NACE SP0177
  • ISO 18086
  • CEA safety regulations

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Share the line size, route length, soil conditions and the standard you work to. We will revert with a suitable design approach, the scope of work and our offer.

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Amit Kumar Giri

Proprietor

+91 89611 74927Chat with us on WhatsApp

B/2/H/10, Parikshit Roy Lane, P.O. Tangra, P.S. Entally,
Kolkata - 700015, West Bengal