Design And Detail Engineering Of Protective Relaying Schemes

• Restricted Earth Fault (REF) protection scheme for Transformers.
• Transformer and Generator Differential Protection schemes.
• Busbar Differential Protection.
• Protective Relaying Scheme for Generator as well as for parallel operation of Generator with Grid or parallel operation of Generators.
• Load Shedding Schemes for prevention of the collapse of in-plant generation under overload condition.

Consultancy & Engineering
 
Conultancy

• Basic design and detail engineering for Electrical Power Distribution System.
• Preparation of technical specifications for capital intensive items.
• Relay Training
• Invitation of bids and techno-commercial analysis.
• Preparation of lay-out drawings, inter-connection drawings, single line diagram, earthing and lighting layouts, cable schedule and lay-out, control and protection schematics.
• Stage and final inspection of electrical equipment for meeting guaranteed technical performance.

 
Protection System Study

• Study of existing protection system of plant with suggestions and renovations for plant betterment for optimum selection of protective relays.
• Execution on turnkey basis for renovation and revamping switchgears, protective relays and Protective schemes based on comments of the Protection System Study Report.

 
Fault  Level Calculations And Short Circuit Studies

• For verification of authenticity of existing switchgear ratings as per the system operating        conditions of the plant.
• Fault level calculations can form a guideline for feasibility of existing switchgear for further expansion programmes.
   

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