Sr. Electrical Design Engineer

1. Design of DC side electrical engineering related Medium and large-scale Solar

Photovoltaic Power plants. Ability to provide cost-optimized design of the

arrangement of the PV plant layout.

2. Shall be Familiar with Energy yield simulation in PV Syst.

3. Shall be able to select the Solar PV Modules types and ratings, PV module

installation type. Optimum DC rating of Plant.

4. Shall be able to perform shading analysis using software tools (Sketchup, etc)

5. Preparation of DC, AC, Aux SLD (Single Line Diagrams) & the layout design for

the 3D CAD tools.

6. Preparation of Plant Layout GA drawings, PV Array Layout, DC Cable routine

layouts, DC Grouping layout and all other Solar PV plant services layout

7. PV plant Earthing Calculation as per IEEE, BS, IS and other related

standards: Earthing conductor sizing and earth mat design.

8. Lightning risk assessment and lightning calculations for design for Solar PV plant

as per IEC and IEEE guidelines.

9. String Cable, Power Cable (DC and AC) sizing & calculation; Control &

Communication Cable sizing, length Calculations and cable accessories

selections.

10. Able to understand and Validate Solar PV inverter. HT Panel & IDT

component Power / Control schematics, BOQ and Site accessories.

11. Sizing Calculations for the protection Fuse, Connectors, SCB, SPD all DC

components and Ability to select the DC Fuse, SCB, String / Central Inverters

or PCS and all associated equipment for solar PV plant as per IEC, IS, IEEE

standards.

12. Review & preparation of General Technical Parameters, Design

Memorandum, checklist preparation, Equipment sizing and configuration for

the DC Component.

13. Auxiliary Load calculation AC & DC and designing schematic diagram of

auxiliary loads.

14. Able to do pre-dispatch inspection and perform the pre-commissioning test for

all solar plant equipment independently. Coordination and support for testing

and commission of Inverter.

15. Preparation of SCADA Architecture DI, DO and AI List.

HV Side:

1. Design and detailed engineering of Switchyard Single Line Diagrams and

SLDs for ACDB and DCDB.

2. Design and review of Switchyard Layouts: plan, sectional, Clearance

Check Diagram, Earthing, Erection Key Diagram, DSLP, cable trench and

Illumination.

3. Substation Calculation: Short circuit force, DSLP, Earthing mat, CT/VT Sizing, Battery sizing, Cable tray-loading etc

4. Component Data Sheets / General Arrangement Reviews: Switchyard

equipment, Power transformers, C&R panels, Cables and SCADA systems.

5. General Technical Parameters, Design Memorandum and Customer

Technical Specifications preparation.

6. Detailed engineering (Primary Engineering) from the Customer technical

specifications.7. Power Cable (HV and LV) sizing and calculation.

8. Control Panel & Relay panel schematics preparation and review.

9. Substation interlocking logic diagram preparation.

10. Preparation of checklist and technical Specification of individual components.

11. Design and review of the transmission line design, routing and calculations.

Skill Set Requirements:

1. Candidate shall be preferably from Consultancy / EPC background with

exposure to utility- scale solar PV projects.

2. The candidate shall be preferred to have Exposure to the on-site DC

components erections works and commissioning of the DC side of the Solar

plant.

3. Knowledge in DC/AC/HV side Engineering Specification and Standards (IEC,

IEEE, ANSI, SEC, IS etc)

4. Knowledge of PV Syst, Sketchup, AutoCAD, MS office is essential, ETAP,

Dialux, CYMCAP, WINIGS, SKM tools will be advantageous.

Preferred candidate profile:

1. Masters / Bachelor’s degree in engineering / technology (Electrical)

2. Should have minimum 8+ experience in design of Electrical and solar projects

3. At least 2+ years of experience working in similar role