Chapter 1 - Electrical system analysis

• Engineering Planning of storage system
• Identification type of load pattern (Continuous, intermitted or backup)
• Identifications of existing electrical network and system information’s
• Study of load pattern and load type to be served by BESS
• Calculation of on grid / off grid load.
• Calculation existing demand and future requirement
• System study for BESS.
• Electrical load and energy consumption calculation

Chapter - 2 Scheme of Battery Energy Storage System

• Solar-plus-storage system architectures
• Advantage and disadvantage of AC Coupling
• Advantage and disadvantage of DCC Coupling
• Selection of AC coupling equipment’s
• Selection of DC coupling equipment’s
• Comparison between AC coupling and DC coupling

Chapter- 3 Battery sizing and selection

• Type of battery and its selection (Li-ion, Ni-cd , lead acid etc.)
• Selection of battery cell and types
• Standardized sizes and shapes pertaining to both primary and secondary batteries
• Selection of Key technical terms: end of life ,Depth of discharge (DOD),State of charge (SoC),Cycling rate (C-rate)
• Study Battery critical parameters selection (voltage of cell , Specific energy, Charge (C-rate), dis-Charge (C-rate),Cycle life, current density , Thermal runaway and Applications
• Battery series parallel connection and String size.
• Battery mounting arrangement and installation methodology.
• Battery backup hours

Chapter 4 - Selection & sizing of PCU and grid tied solar inverter

• Selection & sizing of PCU and grid tied solar inverter
• Working principle of bi-directional PCU
• Selection & sizing AC rating of PCU.
• Selection & sizing AC rating of grid tied solar inverter.
• Selection critical parameter of inverter and PCU: input AC, AC output DC Input, DC output, Battery charger parameters, efficiency, protection, communication, Auxiliary power requirement
• Energy Management System.
• Batteries and battery management systems:

Chapter 5 - Selection & sizing of Balance of system for BESS

• Selection sizing of inverter duty transformer
• Sizing of BESS container & ventilation arrangement
• Selection of ACDB , DCDB and switchgear selection
• Selection of DC cable between DC DB to PCU
• Selection AC Cable between ACDB to transformer
• Cable section for PCU and Inverter
• Type of Earthing and calculation
• Section of string inverter or central inverter
• Protection scheme of HT side

Chapter 6 -: SELECTION & SIZING OF CABLE DESIGN FOR BESS

• Selection and Sizing of DC cable
• Selection and Sizing of AC cable
• Selection Criteria of DC cables and AC Cables
• Voltage Drop of cable
• Cable Impedances
• Maximum Permissible Voltage Drop as per standard
• Short Circuit Temperature Rise calculation of cable

Chapter 7 -: EARTHING DESIGN AND CALCULATION FOR BESS

• Type of Earthing and calculations
• Factors Influencing The Choice Of Earthed And Unearthed Systems
• System Earthing & Equipment Earthing Connections To Earth
• Resistance to Earth and Earth Electrode Current Density at The Surface of an Earth Electrode
• Selection of an Earthing Conductor and Connection of an Electrode

Chapter 8 -:SCHEMES OF PROTECTION FOR BESS

• Type of Protection schemes for BESS
• Fault Current / Short circuit current calculation for BESS
• Type of Protection schemes for BESS

Chapter 9 -:SWITCHGEAR SELECTION AND SIZING FOR BESS

• Types of Schemes of Switchgear
• Selection and Sizing of Transformers
• Selection sizing of inverter duty transformer

Chapter 10 -: Sizing of BESS Container & HVAC System

• Sizing of BESS container & ventilation arrangement

Chapter 11 -: Engineering drawings and Layouts

• • Preparation of BESS single line diagram
• Preparation of AC single line diagram
• Preparation of DC single line diagram
• Preparation of BESS container layout & location
• Preparation of earthing layout
• Preparation of cable layouts