Devonport Case Study

Abbey Systems supplied and installed an Energy Monitoring System for the Royal New Zealand Navy, Devonport Naval Base (HMNZS Philomel) located
in Auckland.

Devonport is a part of North Shore City, Auckland which is New Zealand’s largest city, located near the top of the North Island. The base is located in a natural deepwater area just 20 minutes by boat from the Auckland CBD. Over the years it has been expanded and today, in addition to the New Zealand Navy, has many outside users, including Bristol Babcock and the Australian Navy.

The Powerlink SCADA system monitors the energy consumption of the various users located within the base. In addition it monitors and controls the power distribution network to these customers, including the dockyard itself, stores group, base hospital and HMNZS Philomel.

The energy metering information is collected from 30 points around the base.
The SCADA system provides a secure way to return this information to the Master in realtime, where it is passed through an alarm system, archived and sent on to a billing and analysis program.

A number of different types of energy meter are used; those with pulse outputs and those with serial Modbus interfaces.

  • Manage the Energy Distribution System
  • Accurately account for energy usage on base
  • Pass on actual monthly energy costs direct to customers
  • Monitor trends in power usage to assist future capacity planning
  • Respond quickly to unusual circumstances e.g. very high power usage

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