MASTERING MEDIUM VOLTAGE (MV) PROTECTION SYSTEMS

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About Course

From Relay Basics to Real Substation Protection Engineering

🎯 Why This Course? (Strong Hook for Enrollment)

✔ Prevent transformer & feeder failures
✔ Learn relay coordination & protection philosophy
✔ Work on real MV systems (11 kV / 33 kV / 66 kV)
✔ Understand modern numerical relays (ABB / Siemens / Schneider)
✔ Gain practical skills used in substations & solar plants

👉 “Protection is not just tripping — it is selective intelligence.”

👨‍🎓 Who Should Join?

  • MV / HV Electrical Engineers
  • Substation & Solar Plant Engineers
  • Protection & Testing Engineers
  • O&M Engineers
  • Electrical Design Consultants
  • Diploma / B.Tech Students

👉 “Limited Seats — Learn from 30+ Years Industry Experience”
👉 “Join Now & Start Designing Protection Systems Immediately”

⏱️ TOTAL COURSE DURATION: 5 to 6 HOURS
✔ Includes Live Q&A (30–60 mins)
✔ Practical examples & calculations

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What Will You Learn?

  • 🎁 WHAT YOU WILL GET
  • ✔ Relay Setting Calculation Sheets
  • ✔ Protection Coordination Curves (TCC samples)
  • ✔ SLD + Protection Philosophy Documents
  • ✔ Real Relay Configuration Examples
  • ✔ Certificate of Completion

Course Content

MODULE 1: Fundamentals of Protection Systems (30 mins)
Objective: Build strong conceptual foundation • Why Protection is Required • Types of Faults: o Phase-to-Phase o Phase-to-Ground o Three-phase faults • Protection Philosophy: o Selectivity o Sensitivity o Reliability o Speed 🎯 Outcome: Understand the “WHY” behind protection systems

🔹 MODULE 2: Overview of MV System Components (30 mins)
Objective: System-level understanding • MV Voltage Levels (3.3 kV / 6.6 kV / 11 kV / 22 kV / 33 kV) • Key Equipment: o Feeders o Transformers o Busbars o Motors • Typical MV Network Configurations 🎯 Outcome: Visualize complete MV system

MODULE 3: Protection Devices & Relays (45 mins)
Objective: Learn protection hardware • Evolution: Electromechanical → Static → Numerical • Relay Types: o Overcurrent Relays o Earth Fault Relays o Differential Relays o Distance Relays • Practical Relays: o ABB REF615 o Siemens SIPROTEC o Schneider MiCOM 🎯 Outcome: Identify and select correct relay types

MODULE 4: Current Transformer (CT) & Voltage Transformer (VT) (45 mins)
Objective: Measurement & protection interface • CT Types: Protection vs Metering • CT Accuracy Class & Burden • CT Saturation & Knee Point • VT/PT selection • Polarity & wiring basics 🎯 Outcome: Correct selection and application of CT/VT

MODULE 5: Overcurrent & Earth Fault Protection (60 mins)
Objective: Core MV protection scheme • Instantaneous vs Time Delay Protection • IDMT Curves (Standard, Very Inverse, Extremely Inverse) • Earth Fault Protection Methods: o Residual Connection o Core Balance CT • Relay Settings Calculation 🎯 Outcome: Set relays for feeders & distribution systems

MODULE 6: Differential Protection (45 mins)
Objective: Transformer & busbar protection • Principle of Differential Protection • Transformer Protection: o Vector Group Compensation o Inrush Current Blocking • Busbar Differential Protection Basics 🎯 Outcome: Protect critical equipment like transformers

MODULE 7: Distance Protection (30 mins)
Objective: Line protection fundamentals • Impedance Measurement Principle • Zones of Protection (Zone-1, Zone-2, Zone-3) • Application in MV/HV lines 🎯 Outcome: Understand feeder & line protection logic

MODULE 8: Relay Coordination & Protection Philosophy (60 mins)
Objective: Engineering-level design • Coordination between: o Upstream & Downstream relays • Time-Current Coordination Curves (TCC) • Backup Protection Concepts • Selectivity Study 🎯 Outcome: Design coordinated protection systems

MODULE 9: MV Switchgear Protection Integration (30 mins)
Objective: Practical system integration • Circuit Breakers (VCB, SF6) • Protection Panel Design • Interlocking Schemes • Trip Circuit Supervision 🎯 Outcome: Integrate relays with switchgear systems

MODULE 10: SCADA & Automation in Protection (30 mins)
Objective: Modern digital systems • SCADA Integration • Communication Protocols: o Modbus o IEC 61850 • Remote Monitoring & Control 🎯 Outcome: Work with digital substations

MODULE 11: Testing & Commissioning of Protection Systems (45 mins)
Objective: Field-level expertise • Secondary Injection Testing • Primary Injection Testing • Relay Testing Tools • Functional Testing & Trip Checks 🎯 Outcome: Commission protection systems confidently

MODULE 12: Fault Analysis & Troubleshooting (30 mins)
Objective: Real-world problem solving • Fault Recording & Analysis • Relay Event Logs Interpretation • Common Protection Failures • Case Studies 🎯 Outcome: Diagnose and resolve system faults

🧠 BONUS MODULE (HIGH VALUE)
🔥 Real Project Case Studies (30 mins) • 33 kV Substation Protection Scheme • Solar Plant Feeder Protection • Transformer Protection Failure Analysis

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