Design Case Study of 200KW On-Grid Solar Power Plant -Part 2

Welcome to “Design Case Study of 200KW On-Grid Rooftop Solar Power Plant – Part 2”. This course is carefully designed for learners who want to master the advanced technical aspects of rooftop solar power plant design. Building on the fundamentals, this course takes you into the engineering depth of component selection, protection devices, wiring, safety systems, BOM preparation, and cost analysis for a professional solar project.

You will not only learn how to size and select solar plant components like DC combiner boxes, inverters, cables, ACDB, bus bars, CT meters, and earthing systems, but also understand circuit diagram preparation, lightning protection, and mounting structure design. The course concludes with Bill of Material (BOM) preparation and projected cost calculation, enabling you to evaluate the technical and financial feasibility of a 200kW rooftop solar project.

By the end of this course, you will have a complete scientific and practical understanding of rooftop solar power plant design, preparing you for real-world solar engineering challenges and opportunities.

What You’ll Learn

• Advanced component selection and sizing for a 200kW rooftop solar system.

• Designing DC and AC distribution systems with proper cable sizing and bus bar calculations.

• Understanding and applying solar generation measurement and protection devices.

• Preparation of circuit diagrams for solar power plants.

• Designing a complete earthing system including earth pit resistance calculations.

• Selection of lightning arresters for rooftop solar safety.

• Designing module mounting structures for long-term performance.

• Preparing a Bill of Materials (BOM) and calculating projected cost.

• Drafting a detailed design report for client presentation.

Prerequisites

• Completion of Part 1: Design Case Study of 200kW On-Grid Rooftop Solar Power Plant (recommended).

• Basic knowledge of solar PV systems and electrical engineering concepts.

• Familiarity with Microsoft Excel, SketchUp, and electrical drawings.

Who This Course is For

• Engineering students who want practical exposure to solar plant design.

• Solar technicians and professionals aiming to upgrade their technical expertise.

• Entrepreneurs and consultants planning to start or expand their solar energy business.

• Job seekers targeting careers in the fast-growing solar industry.

• Anyone who wants to become a complete solar design professional with both technical and commercial knowledge.

Why Take This Course? (Benefits)

• Gain hands-on expertise in real-world solar design with a 200kW case study.

• Learn industry-standard methods of component sizing, safety, and system design.

• Develop the ability to analyze and calculate project costs with professional accuracy.

• Strengthen your resume and job profile in the solar industry.

• Become capable of designing and presenting complete rooftop solar projects for clients or employers.

• Build a career or business advantage in the booming renewable energy sector.

This course ensures that you not only understand the design process, but also become capable of executing projects and contributing to the solar industry with confidence.

Course Outline:

1] Selection and Sizing of Solar Plant Component

•DC Combiner Box

•Sizing of DC Cables

•Sizing of Solar Inverter

•AC Distribution Box

•AC Cables from Inverter to Breaker

•AC Cables from Main Breaker to LT Panel

•Sizing of Bus Bar in ACDB

2] Solar Generation Measurement and Protection Devices

•Selection of CT Solar Meter

•Protection Breaker Before Joining to LT Panel

3] Circuit Diagram of 200kW Solar Power Plant

4] Design of Earthing System in Solar Power Plant

•Calculation of Earthing Strip or Conductor

•Calculation of Earth Pit Resistance

5] Selection of Lightening Arrester

6] Design of Mounting Structure

7] BOM Preparation and Projected Cost Calculation

•Buying Of Materials for 200kWp Solar Project

•Projected Cost of 200kWp Solar Power Plant

8] Drafting of Detail Design Report