System Design Engineer

1. System Architecture

• Develop complete system architecture for:
  
• Solar PV systems
  
• Grid-connected solar systems
  
• Hybrid solar + battery systems
  
• Residential energy storage systems
  
• Commercial & industrial BESS
  
• Solar + BESS + grid systems
  
• Backup power systems
  
• EV charging + solar + storage systems
  
• Define system voltage, current, power, energy and communication architecture.
  
• Develop system block diagrams and functional architectures.
  
• Define interfaces between PV modules, inverter, battery, BMS, EMS, grid and loads.
  

2. Solar PV System Design

• Design PV systems from module level to complete system level.
  
• Perform:
  
• String sizing
  
• DC/AC ratio calculations
  
• MPPT configuration
  
• Voltage/current calculations
  
• Cable sizing
  
• Protection selection
  
• Earthing and SPD design
  
• System efficiency calculations
  
• Develop designs for residential, C&I, utility and specialized applications.
  
• Evaluate module, inverter and BOS compatibility.
  

3. Inverter System Design

Work with engineering teams to develop:

• On-grid/grid-tied inverters
  
• Hybrid inverters
  
• Off-grid inverters
  
• Battery PCS
  
• Bidirectional converters
  
• DC-DC converters
  
• AC-DC/DC-AC power conversion systems
  

Responsibilities include:

• Define electrical architecture.
  
• Select power semiconductors and major components.
  
• Develop power-flow architecture.
  
• Define MPPT and power-conversion requirements.
  
• Define protection architecture.
  
• Support control strategy development.
  
• Work with firmware/control engineers on functional requirements.
  
• Support thermal and reliability design.
  

4. BESS System Design

Design BESS solutions from 1 kWh to 1 MWh+.

Responsibilities include:

• Battery pack architecture
  
• Cell selection
  
• Module and rack architecture
  
• Series/parallel configuration
  
• Voltage and capacity calculations
  
• BMS architecture
  
• PCS selection/integration
  
• EMS integration
  
• DC protection
  
• AC protection
  
• Thermal management
  
• Fire and safety architecture
  
• Communication architecture
  
• Containerized BESS architecture
  

Develop complete system-level designs for:

Cell → Module → Pack → Rack → BESS → PCS → EMS →Grid/Load

5. Battery & BMS Engineering

• Define battery chemistry and cell requirements.
  
• Calculate usable and nominal energy.
  
• Define C-rate requirements.
  
• Calculate charge/discharge current.
  
• Work with BMS engineers on:
  
• SOC
  
• SOH
  
• Cell balancing
  
• Over-voltage protection
  
• Under-voltage protection
  
• Over-current protection
  
• Over-temperature protection
  
• Short-circuit protection
  
• Define BMS communication requirements with inverter/PCS and EMS.
  

6. Thermal Engineering

• Perform thermal calculations for:
  
• Inverters
  
• Battery packs
  
• BESS racks
  
• Power electronics
  
• Define cooling architecture.
  
• Work with mechanical engineers on:
  
• Air cooling
  
• Liquid cooling
  
• Heat sinks
  
• Fans
  
• HVAC
  
• Thermal interface materials
  
• Identify thermal hotspots and develop mitigation plans.
  

7. Electrical Protection & Safety

Develop system protection architecture including:

• Fuse
  
• MCB/MCCB
  
• DC isolator
  
• Contactor
  
• Relay
  
• SPD
  
• Pre-charge circuit
  
• Ground fault protection
  
• Over-voltage protection
  
• Over-current protection
  
• Short-circuit protection
  
• Emergency shutdown
  

Ensure designs consider applicable Indian andinternational standards.

8. System Simulation & Calculations

Perform engineering calculations and simulations for:

• Power flow
  
• Voltage/current
  
• Efficiency
  
• Thermal performance
  
• Battery sizing
  
• PV generation
  
• Energy yield
  
• Load profile
  
• Battery degradation
  
• Backup duration
  
• Peak shaving
  
• Energy arbitrage
  
• Solar self-consumption
  
• Grid interaction
  

Use appropriate engineering tools such as MATLAB/Simulink,PSpice/LTspice, ETAP, AutoCAD Electrical or equivalent tools,depending on the role.

9. Product Development Support

Work closely with:

• R&D
  
• NPD
  
• Firmware
  
• Electronics
  
• Mechanical
  
• Manufacturing
  
• Quality
  
• Procurement
  
• Testing
  
• Service
  
• Sales
  

to take products from:

Requirement → Architecture → Design → Prototype→ Testing → Certification → Production → Field Deployment

Requirements

Candidates from the following industries are preferred:

• Solar inverter manufacturers
  
• Solar module manufacturers
  
• BESS manufacturers
  
• Battery companies
  
• EV/EV charging
  
• Power electronics
  
• UPS
  
• Industrial automation
  
• Renewable energy
  
• Electrical equipment
  
• Energy storage
  
• Power conversion systems
  

Experience with companies working on inverters,PCS, BESS, battery packs, solar systems or power electronics will bean advantage.

Educational Qualification

Essential:

• B.Tech / B.E. in Electrical Engineering
  
• Electronics & Communication Engineering
  
• Power Electronics
  
• Electrical & Electronics Engineering
  

Preferred:

• M.Tech in Power Electronics / Electrical Engineering
  
• Experience in renewable energy or energy storage
  

Benefits

WorkTiming                 :           10:00 am to 7:00 pm (Monday toSaturday)

Education                     :           BBA/Bcom/Btech

Address                        :           Loom Solar Pvt Ltd (14/4 Mathura Road, Faridabad 121003)

Contact                         :           Muskan Singh

Gender                         :           Male / Female

JobType                      :           Full Time

JobLocation                 :           Faridabad

IndustryType                :           Renewable Solar Energy

PayTypes                    :           Fix Pay and Performance Incentives

Support                        :           hr@loomsolar.com       

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