Electrical Installation Design Guide Calculations for Electricians and Designers

Electrical Installation Design Guide Calculations for Electricians and Designers

Electrical Installation Design Guide: Calculations for Electricians and Designers (Electrical Regulations) 5th Edition by by The Institution of Engineering and Technology

Contents of Electrical Installation Design Book

  • Chapter 1 – Design sequence
  • Load characteristics
  • Supply characteristics
  • Installation outline
  • Distribution design
  • Standard final circuits
  • Isolation and switching
  • Final assessment
  • Compliance with BS
  • Chapter 2 – Simple installations and final circuits
  • Introduction
  • Supply characteristics
  • Fault rating of switchgear
  • Final circuit overcurrent devices and cables
  • Final circuit voltage drop limitations
  • Fault protection
  • Short-circuit current protection
  • Protective conductors
  • Standard final circuits
  • Chapter 3 – Maximum demand and diversity
  • Introduction
  • Installation outline
  • Final circuit current demand
  • Diversity between final circuits
  • Complex installations
  • Chapter 4 – Selection of cables for current-carrying capacity
  • Symbols
  • Preliminary design
  • Overcurrent requirements
  • Current-carrying capacity tables
  • Protection against overload and short-circuit
  • Protection against fault current only
  • Corrections for grouping not liable to simultaneous overload
  • Motors
  • Chapter 5 – Voltage drop
  • Voltage drop in consumers’ installations
  • Distribution system voltage drop
  • Basic voltage drop calculation
  • Correction for inductance
  • Correction for load power factor
  • Correction for conductor operating temperature
  • Correction for both conductor operating temperature and load power factor
  • Chapter 6 – Calculation of fault current
  • Determination of prospective fault current
  • Determined by enquiry
  • Determined by calculation
  • Chapter 7 – Shock protection
  • Shock protection
  • Protective measure: automatic disconnection of supply
  • Circuit calculations
  • Chapter 8 – The adiabatic equation
  • Protection against fault current
  • Selection from Table
  • Introduction to calculations
  • Simple calculation
  • Energy let-through calculation
  • Plotting protective conductor adiabatics
  • Protective conductor as a sheath or armour of a cable
  • Plotting of cable armour adiabatics
  • Calculation of armour capability
  • Conduit and trunking
  • Earthing and bonding conductors
  • Chapter 9 Calculations associated with testing
  • Earth fault loop impedance Z
  • Reduced section protective conductors
  • Chapter 10 – Impedance of copper and aluminium conductors
  • Conductor resistance and temperature
  • Impedance of cables from voltage drop tables
  • Chapter 11 – Harmonics
  • Introduction
  • Cable ratings
  • Voltage drop
  • Overcurrent protection
  • Chapter 12 – Protection against voltage disturbances
  • The overvoltages
  • Power frequency fault voltage
  • Power frequency stress voltages
  • Earthing of 11 KV substations
  • Chapter 13 – Busbar trunking
  • Symbols
  • Voltage drop
  • Fault currents

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