Transcript Document 7325073

A time-sequenced
presentation of the history
of the national grid
Stuart Nicholson
Tony Silke
Richard Donaldson
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A presentation to the Engineering Heritage
Workshop, Wellington August 2004
What is the national grid?
• Transmission of electric power
• from large power stations
• to line companies, and
• to large industrial users.
• Includes the HVDC link.
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Who are we?
• Electricity Transmission Heritage of NZ Inc
• Collecting and making available resources for
study of the historical development of the New
Zealand electricity transmission system
• Membership mainly drawn to date from
Transpower staff, contractors, and consultants
• Strong sponsorship from Transpower executive
• Gathering also from non-transmission sources
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How to tell the story?
• Depicting grid development
• The grid has grown from 1915 to today and is
continuing to develop
• We have collected data going back to the
beginnings
• A visual display of this growth
• Use Power Point to give one slide per year?
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Source material
• Network drawings & maps from
Transpower record system
• Records of all circuit-breakers and power
transformers
• Histories (see references)
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Network drawing sample c. 1925
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Network on NZ map from 1940s
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Network drawing sample
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A first mock up
to demonstrate the concept
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Otago joined to
Canterbury
OAM
HWB
1935
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Southland joined to
Otago & Westland
joined to Canterbury.
Diesel ex-LYT at
DOB
BWR
DOB
ALD
AHA
COL
GOR HWB
1938
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BOP joined to NI Grid
& WC Generation
joined to SI Grid
EDG
ARI
DOB
AHA
MST
Assume UHT not yet
connected to KHD
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UHT
1939
KTA joined at 50 kV
to Wairua Falls
generation near MPE.
Reinforcement of
supply to Auckland
from ARI
KTA
MPE
PEN
PAK
ARI
1940
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Cleaned up and checked
by Hayley Grace
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1954
Click to edit Master title style
WMG
IGH
• Click to edit Master text styles
– Second level
EDG
• Third level
– Fourth level
» Fifth level
KAW
BPE
HAY
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1955
STK
Click to edit Master title style
KIK
IGH
• Click to edit Master text styles
– Second level
• Third level
– Fourth level
» Fifth level
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1956
ARI-EDG B 110 kV
Click to edit Master title style
First SI 220 kV
ALB
• Click to edit Master text styles
HEN
– Second level
• Third level
– Fourth level
» Fifth level
ROX
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ARI
ISL
HAM
HTI
EDG
1957
Click to edit Master title style
• Click to edit Master text styles
– Second level
• Third level
– Fourth level
» Fifth level
GIS
PTI
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1958
BOB-MER A 110 kV
Click to edit Master title style
BOB-OTA A 110 kV
KIK
WMG
WPT
• Click to edit Master text styles
OTA
BOB
– Second level
• Third level
– Fourth level
» Fifth level
MER
TGA
MTM
TMI
ISL
WKM
TRK
ROT
ATI
WRK
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Things we learnt
• Finding accurate information is essential
• Attracting attention to the display
• Social commentary
– Relate development to the era
– Show relationship of development to history
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On display at the Linemen’s
reunion 22-24 November 2002
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Learnings from this version
• Not eye-catching
• Slow moving
• Minimal commentary
• Minimal relating to NZ historical events
and social developments
• Not suitable for a public venue
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Transpower interest in its use
• For training
• The move to Transpower House
• Public appeal – www.
• Offer to develop with professional
assistance
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Origin Design input
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Using Flash instead of PowerPoint
Interactive
www compatibility
Plasma display in foyer of Transpower
House
• PC file also provided
• Style
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Run some of D:\Grid Preso Flash\normal.exe
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Drivers for ETH
• Database record
• Social comment
• Offering value to Transpower
– Our patron
– Funding
– Name/status/recognition for ETH
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Application elsewhere
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National highway
Railways
Telecom network
Ports & coastal shipping
Water supply on a regional basis
Characteristics of the display
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Visual
Time-sequenced
Map-based
Auto or manual operation
Source files can be more detailed
Can be put on the web (www)
Who benefits?
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Transpower as a corporate citizen
ETH output
Engineering research tool/database
Reunions – stimulus to memory
Highlights gaps in knowledge!
References
• Transpower drawing records system
• Transpower equipment record files
• NZED equipment database conceived,
prepared, and maintained by Ron Jane
on the “Vogel Computer”
• White Diamonds
• (Power board history)
• Power Politics & People
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Acknowledgements
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Transpower
Hayley Grace
The Linemen’s Reunion
Origin Design