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EE requirements

The aim of this manual is to assist those concerned with formulating requirements for electrical engineering in the construction of new infrastructure and facilities, existing facilities and infrastructure undergoing refurbishment, leased facilities for use or occupation by Defence and maintenance of existing installations.

Infrastructure Electrical Engineering Guide
Infrastructure Electrical Engineering Guide (photo credit: Jerry Allen of the Cultural Planning Group)

However, in recognition of the additional Defence capability requirements, this manual generally specifies additional levels of electrical engineering than those required by the regulations and standards.

In this manual are requirements for:

  1. General Technical Requirements
  2. Internal Electrical Services
  3. Switchboard Labelling and Numbering
  4. RCD protection
  5. Power Factor Correction
  6. Artificial Lighting
  7. 400 Hertz Systems
  8. Hazardous and Explosive Area Installations
  9. Aircraft Earth Reference Points
  10. Wharf Services
  11. Emergency Power Systems
  12. Uninterruptible Power Systems (UPS)
  13. Local Emergency Generators (LEG)
  14. Mobile Generator Link Boxes (MGLB)
  15. Electrical Reticulation and Power Generation Systems
  16. High and Low Voltage Distribution Systems
  17. Central Emergency Power Stations (CEPS), Central Power Stations (CPS) and Central Energy Plant (CEP)
  18. Power Control and Monitoring Systems (PCMS)
  19. Operation of Power Generations and HV & LV Distribution Systems

High Voltage System Master Planning

An electrical master plan is a stand-alone document that provides a framework within which the future development of electrical supply infrastructure at a Defence establishment can take place.

  1. Electrical supply into the establishment;
  2. Electrical distribution within the establishment;
  3. The requirements for standby generation, and
  4. The requirements for monitoring and control systems for the electrical systems.
An electrical development plan is similar to an electrical master plan but is generally specific to a project or development activity. Electrical Master Plan and Development Plan reports must carry signature approval from DEEP before they may be circulated.

Master Plan Policy Objectives

The objective of this policy is to provide a strategic framework within which electrical infrastructure works are implemented in a carefully considered way.

The purpose of this is to:

  1. Ensure adequate infrastructure capacity is available for new and current developments for a minimum of 15 years;
  2. Minimise redundant or abortive works;
  3. Provide a framework for the planning of longer-term infrastructure projects.

Master Plan Concepts

The following concepts are used in master planning and development planning as discussed in the following paragraphs and shown in the typical high voltage system diagram, Figure 1 below.

Typical High Voltage System Arrangement
Figure 1 – Typical High Voltage System Arrangement (click to expand SLD)

Primary Distribution

For the purposes of convenience the electrical distribution is divided into two major components, the primary distribution and secondary distribution.

The primary distribution is that portion of the electrical network that transfers bulk electricity around the establishment. It generally consists of a series of primary nodes that are interconnected by feeder cables, to which no load is connected along their length.

The feeder cables can be either:

  1. Incoming feeders from the DNSP, or
  2. Interconnections that directly connect the primary nodes.

The primary nodes can be either:

  1. Primary Switching Stations – HV switchboards, such as the establishment HV switchboard, at which no voltage transformations occur; or
  2. Primary Substations – Substations at which a transformation occurs from a higher voltage, such as the DNSP’s sub transmission voltage, to the HV distribution voltage used at the establishment.

Secondary Distribution

The secondary distribution is that portion of the electrical network associated with conversion of the electrical supply to the final utilisation voltage (400V). It consists of the distribution substations and the ring mains that connect these to the primary nodes.

Title:Infrastructure Electrical Engineering Guide – Australian Government – Department of Defence
Size:15.1 MB
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Infrastructure Electrical Engineering Guide
Infrastructure Electrical Engineering Guide

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