NJC Power Limited
NJC Power Limited - Electrical Power System Engineering

Office: +44(0)1509 815328 
Mobile: +44 (0)7794 627111 or +44 (0)7725 418011
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Our Services
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We can provide design, consultancy and project engineering services for a range of industries, actively engaging with clients at Concept, FEED, Tender, Detailed Design, Commissioning and Operational phases of a project.


Our services are independent and customer focused and includes, but is not limited to:



Power System Analysis:
  • System Fault Level Studies     
  • Transient Stability Studies
  • Load Flow 
  • Motor Starting (voltage dip) Studies
  • Power System Protective Device Coordination Studies  
                   
Other Services:
  • Power System Design Reviews
  • System Upgrades
  • Customer / Client Engagement & Representation
  • Supplier Engagement
  • On-site specialist design support, fault diagnosis & commissioning​ including Primary & Secondary Injection Testing of Protection Systems
  • Training



We can develop and deliver specific training courses covering the theoretical aspects of power system equipment design, integration and commissioning across a range of industries with specific in-depth expertise in the Marine & Offshore Industry. Our recent activities include the development and delivery of a bespoke power system training courses for Engineers engaged in the commissioning of Offshore DP Vessels

​System Design:
  • Functional Design Specifications
  • Power System Integration
  • Equipment Specification & Selection
  • Project Engineering
  • Power System Control Philosophies (AVR & Governor, thruster propulsion control Control)
  • Electrical Power Management System (PMS) Design and            Application
  • AVR, Governor & Protection Relay Configuration
  • Variable Frequency Drive Rating & Selection
  • Cabling Recommendations
  • System Test & Commissioning Specifications
  • Attendance at Factory Acceptance Tests
  • System Upgrades
  • Specialist on-site support during Commissioning & Handover



​We have extensive experience in electrical system design and project execution of integrated power & propulsion systems for offshore DP vessels (PSVs, DSVs, Drilling vessels) incorporating Vessel Management Systems (VMS) and Dynamic Positioning (DP) systems.


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