Electrical​

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Mhomax Power

ENGINEERING CAPABILITY

Primary Engineering

The scope of work includes:

  • Single Line Diagram
  • Overall Plot Plan
  • Detailed Equipment Layout – Plan & Section
  • Clearance Diagram
  • Earth mat Detail
  • Lightning Protection Detail
  • Erection Key Diagram
  • Co-ordination Layout
  • Cable Routing
  • Indoor & Outdoor lighting.
  • Earth mat Design
  • Battery & Charger Sizing
  • Lighting & Lightning Design
  • Transformer & DG Sizing
  • Sag Tension
  • Short Circuit Force
  • Busbar Sizing and LV Load Calculation
  • Vendor Drawing Review for various Electrical equipments
  • Vendor Offer Review

Secondary Engineering

The scope of work includes:

Preparation & review of

  • Protection Logic Diagram
  • Relay & Metering one line diagram
  • AC Elementary three line diagram
  • TFR, PSE interfacing diagram
  • Relay ordering code details & Protection Panel List
  • Protection Panel & Relay data sheets/schedules
  • GA & Schematic diagram of all Protection Panels, TFR Panel, Fault locator Panel etc.,
  • Fault Current calculations, CT, VT & Metrosil Sizing Calculations, Relay Setting Calculations, Overcurrent & Earth Fault Relay coordination

Other Services

The scope of work includes:

  • Control cable sizing calculations, laying schedule and interconnection/termination schedules
  • GA & Schematic diagram for various substation equipment such as CB, Isolators, Transformers, Reactors, NGR, LVAC, LVDC etc.,
  • Schematic diagrams interfacing works and Protection, control & communication system vendor offer review
  • FAT inspection for Control, Protection and Metering Panels

Control & Automation

The scope of work includes:

Preparation & review of

Interlock logic block diagram, AVR & Transformer paralleling logic diagram and Auto Reclose logic diagram

  • SAS/SCMS/DMS/DCS/LDC Architecture
  • BCU IO List, SAS/SCMS Signal List, TIP List, DMS Signal list/datasheet, SCADA/TFR/ DSM/SOE/Annunciation Point list
  • GA & Schematic diagram of Local control cubicle, SAS/SCMS Server/Gateway Panels, LAN Panel, Common Alarm/annunciation Panel, AVR Panel, Transformer Paralleling interlock panel, Synchro check Panel etc.

Communication

The scope of work includes:

Preparation & review of

  • Telecommunication layout/architecture
  • Telecommunication BOQ, data sheets, channel list, GA & Schematic diagram

EHV Cabling (from 66kV to 400kV)

  • EHV Cabling Scope of work includes preparation of preliminary cable route using conceptual drawing and final cable route using actual ground profile, Erection detail for buried trench/trough, road crossing through duct, bonding scheme and transpose scheme.
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