Title

Tutors

Raghav Tripathi

PROGRAM OVERVIEW

CURRICULUM

Module #1: INTRODUCTION AND OVERALL PROJECT PROCESS UNDERSTANDING

Training Syllabus (2025) for Substation Design and ETAP Software
List Of Drawings & Calculation Required For Any Substation Construction (Example From PGCIL India)
PROJECT TENDER SPECIFICATION (Substation Package ) AS REFERENCE
GRID REGULATIONS
CLASS DAY-1(SYLLABUS OVERVIEW , DESIGN ENG SKILLS ,LIST OF DRAWINGS & CAL AND JOB COMPANIES)
CLASS DAY-1 PPT
IEC - 62271
CLASS DAY-2-ETAP SOFTWARE INTRODUCTION AND POWER GRID X/R VALUE SELECTION FOR ETAP
CLASS DAY-3-POWER EVACUATION VOLTAGE FOR SOLAR PLANT, COMPARISION IN TRANSMISSION LINES & CABLE
CLASS DAY-2 and 3 PPT
X/R Cal
CLASS DAY-4, DOWNLOADED A LIVE TENDER & STARTED DESIGN ENGINEERING PROCESS (STEPS 1 & 2)
CLASS DAY-5 (WHY 400 kV SUBSTATION HAVE SHUNT REACTORS, NGR USE WITH LINE REACTOR & STEP 3 to 16)
Guidelines_for_selection_of_NGR_Paper-2
1912594-selection-of-neutral-grounding-reactor-for-line-to-ground-fault-Paper-1
CLASS DAY-6-Electrical Systems Common Design Parameter Selection (Impulse Voltage Level or BIL)
CLASS DAY-7- Continuous Current and Short Circuit Current Selection
IEC-60071
IEEE-551
CLASS DAY 4 and 5 PPT
CLASS DAY-6 PPT
CLASS DAY-7 & 8 PPT
CLASS DAY-8- Solar Substation Short Circuit Current Calculation
OVERVOLTAGE DUE TO SWITCHING SURGES AND SYSTEM FAULTS

MODULE-2-EQUIPMENT SELECTION & SIZING CALCULATION

CLASS DAY-9- SA/LA LOCATION DISCUSSION AND WHY SA REQUIRED ON BOTH SIDE OF TRAFO
IEC60099-4
IEC60099-5 surge arrestor
CLASS DAY-10- SA/LA PARAMETERS SELECTION
CLASS DAY-9 & 10 PPT (SA COMPLETE)
CLASS DAY-11- CT METERING CORE PARAMETER SELECTION DISCUSSION
CLASS DAY-12- CT METERING CORE BURDEN AND ISF CALCULATION
CT DATA USED IN CLASS
CLASS DAY-11 & 12 PPT
IEC-61869 -2
CLASS DAY-13 (PART-1)- CT PROTECTION CORE PARAMETERS SELECTION (P CLASS CT OR 5P20 CT DISCUSSION)
CLASS DAY-13 (PART-2) - CT PROTECTION CORE PARAMETERS SELECTION (P CLASS OR 5P20 CT DISCUSSION)
CLASS DAY-13 PPT
CLASS DAY-14-CT PX CORE KNEE POINT VOLTAGE (WHAT IS KNEE POINT VOLTAGE & WHY NEED TO CALCULATE)
EQUIPMENTS IEC STANDARDS
CLASS DAY-15
CLASS DAY 14 and 15 PPT
CLASS DAY-16
CLASS DAY-17 - Voltage Transformer & Wave Trap
CLASS DAY-18 -Types of CB & Construction for HV & EHV CB, SF6 Gas Pressure & Pole Selection
CLASS DAY 16 and 17 PPT (CT location VT selection and Wave Trap Topic PPT)
CLASS DAY-19- Selection Of Circuit Breaker Continues and Short Circuit Current Rating
IEC-56 for CB Current Rating Selection
CT Sizing for LINE feeder (Differential + Distance)
CLASS DAY-20-CB Other Technical Parameter Selection
CLASS DAY-21 - CB Rating Selection in ETAP , Trip Logic Discussion and PIR & CSD Selection for CB
CLASS DAY-18 +19 +20 +21 PPT (CIRCUIT BREAKER PPT)
CLASS DAY-22 - DISCONNECTOR OR ISOLATOR SELECTION (SESSION-1)
CLASS DAY-23 - DISCONNECTOR OR ISOLATOR SELECTION (SESSION-2)
CLASS DAY-22 & 23 PPT (DISCONNECTOR TOPIC PPT)

MODULE-3: TRANSFORMER SELECTION

CLASS DAY-24- TRANSFORMER DEFINITION, WINDING SELECTION
CLASS DAY-25-TRANSFORMER VECTOR GROUP SELECTION
CLASS DAY-26-VECTOR GROUP , LOSSES, WTI, OTI , COOLING, IMPEDANCE, TAP CHANGER SELECTION
CLASS DAY-27- TRANSFORMER ACCESS ROAD, OIL COLLECTING PIT AND FIRE BARRIER WALLS
TRANSFORMER COMPLETE PPT

MODULE#4: SINGLE LINE DIAGRAM (SLD)- AIS SUBSTATION

SLD AUTOCAD FILE OF VARIOUS BUSBAR SCHEMES
CLASS DAY-28-SLD INTRODUCTION & LIST OF INPUT REQUIRED TO PREPARE THE SLD
CLASS DAY-29 -SINGLE BUSBAR SYSTEM & SINGLE BUSBAR WITH A BUS SECTIONALIZED SYSTEM SCHEME
CLASS DAY-30- MAIN & TRANSFER BUSBAR SYSTEM SCHEME
CLASS DAY-31-DOUBLE BUS, DOUBLE MAIN AND TRANSFER BUS, AND ONE & HALF BREAKER BUS SYSTEM SCHEME
CLASS DAY-31 DISCUSSION
CLASS DAY-32-SLD DRAWING PREPRATION
CLASS DAY-32 DISCUSSION
CLASS DAY-33- SLD DRAWING REVIEW & BUSBAR SIZING CALCULATION START
IEC-61597 continuous current rating calculation standard
IEEE-605-2008
IEC 60865-2 (short circuit current calculation)
CLASS DAY-34-BUSBAR SIZING CALCULATION
MODULE-4 COMPLETE PPT
Flex BusBar Sizing Calculation

MODULE#5 GIS SUBSTATION- CONSTUCTION, SINGLE LINE DIAGRAM & LAYOUT DRAWING

CLASS DAY-35 GIS CONSTRUCTION
CLASS DAY-36 EQUIPMENT MODULES
CLASS DAY-37 EQUIPMENT MODULES & INTERFACE WITH OUTDOOR EQUIPMENT
CLASS DAY-38 -GIS SLD, DIFFERENCE IN GIS & AIS SLD, GIS LAYOUT Discussion
CLASS DAY-39 GIS LAYOUT, BUILDING HEIGHT, CABLE CELLAR
CLASS DAY-40 GIS EARTHING
MODULE -5 GIS OVERALL PPT
IEC 62271-203

MODULE# 6: CABLE SELECTION & SIZING CALCULATION

CLASS DAY-41 TRANSMISSION LINE & CABLE COMPARISON, CHARGING CURRENT & CABLE CONSTRUCTION
CLASS DAY-42 CABLES CONSTRUCTION
Trench Section Reference
CABLE SEALING END
IEC60502-1
CABLE CATALOG
1255 installation and maintenance of power cables upto 33kV
CLASS DAY-43 and CLASS DAY-44 -CABLE LAYING AND INSTALLATION
CLASS DAY-45-CABLE SIZING CALCULATION
CABLE SIZING HT and LT
HT-XLPE CABLE CATALOG
XLPE Cable 33KV - Rev 2
IS 3043-2018
CABLE PPT FOR 2025

MODULE# 7: ELECTRICAL INSTALLATION LAYOUT PLAN & SECTION

CLASS DAY-46-WHY CLEARANCES & INPUTS REQUIRED TO START THE LAYOUT PREPARATION OF THE SUBSTATION
Altitude correction factor for a 132kV Substation
IEC 61936
CLASS DAY-47
CLASS DAY-48
CLASS DAY-49
CLASS DAY-50
CLASS DAY-51
1_CBIP Substation Manual_2006
CLASS DAY-52 -Why Short Circuit Current Force calculation needed, Standard & Method for Calculation
CLASS DAY-53-Approach to proceed with the calculation & Tensile force during the short circuit (Ft)
CLASS DAY-54
SCF CALCULATION SHEET
iec60865-1
SCF VIDEO
Short circuit forces Video
MODULE-7 Layout PPT for 2025 Batch

MODULE#8: EARTHING SYSTEM

CLASS DAY-55-Basic Concept of Earthing
CLASS DAY-56-NGR Values as per UK-based SS & Short Circuit Force on Rigid bar as per UK guideline
EARTHING TRANSFORMER TYPE & CALCULATION, EARTHING PIT (Reference Video from Previous discussion)
CLASS DAY-57-EARTHING CALCULATION (SESSION-1)
Earthmat Cal substation
2025 BATCH EARTHING PPT
Swichyard Erection Rev 09 Annexure- Standard Earthing Details
IEEE-80-2000-Earthing
CLASS DAY-58
CLASS DAY-59

MODULE#9: LIGHTNING PROTECTION

CLASS DAY-60-What is the Lightning & Why is protection required from Lightning?
CLASS DAY-61
Lightning Protection Reference study material
CLASS DAY-62
LIGHTNING CALCULATION - 2025 BATCH PPT
220kV GIS Building LPS Calculation PDF
Lightning Calculation Method by RAZVIG Equation Formula Video For Study

MODULE-10 (To be Updated later)

This section has no content published in it.

MODULE-11 (To be Updated later)

This section has no content published in it.

MODULE#12: PROTECTION MODULE

PROTECTION MODULE VIDEO-1 (EDITION-1)
PROTECTION MODULE VIDEO-2 (EDITION-1)
PROTECTION MODULE VIDEO-3 (EDITION-1) DISTANCE RELAY SETTING CALCULATION
PROTECTION MODULE VIDEO-1 (CURRENT BATCH)
Power Grid Protection Requirement (PGCIL)
Communication_Protocol
PROTECTION PPT (PREVIOUS BATCH)
Control and Protection Schematics Drawing Check List
IEC-61850
PSLD DRAWING REVIEW CHECK POINTS
MODULE 12- Class Day-2 - 11 & 33 kV Control Schematics Review Discussion
MODULE -12 -Class Day-3- Line Feeder Protection Function Terminology Discussion
MODULE-12-CLASS DAY-4-Relay Selection For the Line Feeder from 11kV to 765kV Voltage
MODULE-12-CLASS DAY-5- 110 & 132 kV Control Schematics Review Discussion
Relay Selection For the Line Feeder from 11kV to 765kV Voltage PPT
MODULE-12-CLASS DAY-6- Transformer Control Schematics Discussion
MODULE-12-CLASS DAY-7- Transformer Feeder Relay selection
PSLD 2025 Batch PPT
2025 BATCH PROTECTION SUPPORTING DOCUMENTS BY GOPI

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IETP 2025 BATCH- CLASSES RECORDING VIDEOS

IETP 2025 BATCH- CLASSES RECORDING VIDEOS

Tutors

PROGRAM OVERVIEW

CURRICULUM

Module #1: INTRODUCTION AND OVERALL PROJECT PROCESS UNDERSTANDING

Training Syllabus (2025) for Substation Design and ETAP Software

List Of Drawings & Calculation Required For Any Substation Construction (Example From PGCIL India)

PROJECT TENDER SPECIFICATION (Substation Package ) AS REFERENCE

GRID REGULATIONS

CLASS DAY-1(SYLLABUS OVERVIEW , DESIGN ENG SKILLS ,LIST OF DRAWINGS & CAL AND JOB COMPANIES)

CLASS DAY-1 PPT

IEC - 62271

CLASS DAY-2-ETAP SOFTWARE INTRODUCTION AND POWER GRID X/R VALUE SELECTION FOR ETAP

CLASS DAY-3-POWER EVACUATION VOLTAGE FOR SOLAR PLANT, COMPARISION IN TRANSMISSION LINES & CABLE

CLASS DAY-2 and 3 PPT

X/R Cal

CLASS DAY-4, DOWNLOADED A LIVE TENDER & STARTED DESIGN ENGINEERING PROCESS (STEPS 1 & 2)

CLASS DAY-5 (WHY 400 kV SUBSTATION HAVE SHUNT REACTORS, NGR USE WITH LINE REACTOR & STEP 3 to 16)

Guidelines_for_selection_of_NGR_Paper-2

1912594-selection-of-neutral-grounding-reactor-for-line-to-ground-fault-Paper-1

CLASS DAY-6-Electrical Systems Common Design Parameter Selection (Impulse Voltage Level or BIL)

CLASS DAY-7- Continuous Current and Short Circuit Current Selection

IEC-60071

IEEE-551

CLASS DAY 4 and 5 PPT

CLASS DAY-6 PPT

CLASS DAY-7 & 8 PPT

CLASS DAY-8- Solar Substation Short Circuit Current Calculation

OVERVOLTAGE DUE TO SWITCHING SURGES AND SYSTEM FAULTS

MODULE-2-EQUIPMENT SELECTION & SIZING CALCULATION

CLASS DAY-9- SA/LA LOCATION DISCUSSION AND WHY SA REQUIRED ON BOTH SIDE OF TRAFO

IEC60099-4

IEC60099-5 surge arrestor

CLASS DAY-10- SA/LA PARAMETERS SELECTION

CLASS DAY-9 & 10 PPT (SA COMPLETE)

CLASS DAY-11- CT METERING CORE PARAMETER SELECTION DISCUSSION

CLASS DAY-12- CT METERING CORE BURDEN AND ISF CALCULATION

CT DATA USED IN CLASS

CLASS DAY-11 & 12 PPT

IEC-61869 -2

CLASS DAY-13 (PART-1)- CT PROTECTION CORE PARAMETERS SELECTION (P CLASS CT OR 5P20 CT DISCUSSION)

CLASS DAY-13 (PART-2) - CT PROTECTION CORE PARAMETERS SELECTION (P CLASS OR 5P20 CT DISCUSSION)

CLASS DAY-13 PPT

CLASS DAY-14-CT PX CORE KNEE POINT VOLTAGE (WHAT IS KNEE POINT VOLTAGE & WHY NEED TO CALCULATE)

EQUIPMENTS IEC STANDARDS

CLASS DAY-15

CLASS DAY 14 and 15 PPT

CLASS DAY-16

CLASS DAY-17 - Voltage Transformer & Wave Trap

CLASS DAY-18 -Types of CB & Construction for HV & EHV CB, SF6 Gas Pressure & Pole Selection

CLASS DAY 16 and 17 PPT (CT location VT selection and Wave Trap Topic PPT)

CLASS DAY-19- Selection Of Circuit Breaker Continues and Short Circuit Current Rating

IEC-56 for CB Current Rating Selection

CT Sizing for LINE feeder (Differential + Distance)

CLASS DAY-20-CB Other Technical Parameter Selection

CLASS DAY-21 - CB Rating Selection in ETAP , Trip Logic Discussion and PIR & CSD Selection for CB

CLASS DAY-18 +19 +20 +21 PPT (CIRCUIT BREAKER PPT)

CLASS DAY-22 - DISCONNECTOR OR ISOLATOR SELECTION (SESSION-1)

CLASS DAY-23 - DISCONNECTOR OR ISOLATOR SELECTION (SESSION-2)

CLASS DAY-22 & 23 PPT (DISCONNECTOR TOPIC PPT)

MODULE-3: TRANSFORMER SELECTION

CLASS DAY-24- TRANSFORMER DEFINITION, WINDING SELECTION

CLASS DAY-25-TRANSFORMER VECTOR GROUP SELECTION

CLASS DAY-26-VECTOR GROUP , LOSSES, WTI, OTI , COOLING, IMPEDANCE, TAP CHANGER SELECTION

CLASS DAY-27- TRANSFORMER ACCESS ROAD, OIL COLLECTING PIT AND FIRE BARRIER WALLS

TRANSFORMER COMPLETE PPT

MODULE#4: SINGLE LINE DIAGRAM (SLD)- AIS SUBSTATION

SLD AUTOCAD FILE OF VARIOUS BUSBAR SCHEMES

CLASS DAY-28-SLD INTRODUCTION & LIST OF INPUT REQUIRED TO PREPARE THE SLD

CLASS DAY-29 -SINGLE BUSBAR SYSTEM & SINGLE BUSBAR WITH A BUS SECTIONALIZED SYSTEM SCHEME

CLASS DAY-30- MAIN & TRANSFER BUSBAR SYSTEM SCHEME

CLASS DAY-31-DOUBLE BUS, DOUBLE MAIN AND TRANSFER BUS, AND ONE & HALF BREAKER BUS SYSTEM SCHEME

CLASS DAY-31 DISCUSSION

CLASS DAY-32-SLD DRAWING PREPRATION

CLASS DAY-32 DISCUSSION