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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
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- 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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