20100406 tnbd presentation meeting

8/17/2019 20100406 TNBD Presentation Meeting

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Prototype Development of

Automated Ring Main Unit SystemTNB DistributionPresentation Meeting


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Project Background


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RMUs Presently Used

• What is an RMU?

• Who operates it?

• Are there safety concerns?


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RMU Operation

• Opening/cosing ofthe load break switchor earthing switch! "ey/e#er Pushe$ to o#erco%e spring force

Turn &'( at )*' N+% ,coc-.ise or countercoc-.ise $epen$ing on usage0

• Who operates it?

• Are there safety concerns?

• 1an it function re%otey?


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Project Objectives

• To $esign a %otori2e$ retrofit for auto%aticoperation of ,34560 Ring Main Unit ,RMU0 asper technica specifications pro#i$e$ by TNBDistribution+


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ustomer Re!uirements

• ??

• ??


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Deliverables

• A prototype RMU Motori2ation Unit foroperation of %anuay operate$ 3456 Ring MainUnits+


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Project "mpact

• The propose$ syste% .ou$ be abe to s.itch theRMU brea-ers in a safe %anner #ia re%otecontro+

• Re$uce $o.nti%e #ia re%ote operation an$enhance the safety of TNB7s personne by

ei%inating the nee$ for %anua operation of theRMU+


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Project Met#odology

8tages of prototype $e#eop%ent!

9+ Tor:ue an$ $i%ension %easure%ents

*+ 8tu$y of Actuation Mechanis%

;+ 5rip fra%e $esign an$ %ateria seection

+ Testing 4 Trias


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RMU AutomationOperational Block Diagram

M9

M*

M;

Manua pushreays 4n$icators

Microcontroer

Motor Dri#er . %a@ current i%it

*D19'A

81ADA

Auto/Re%oteCoca/Manua1W

Coca/Manua11W

Coa$ s.itch i%it s.itch

Po.er 8uppy Unit

1W/11W contro signa


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omponents $ist

9+ Po.er suppy unit

*+ 5rip 3ra%e

;+ Motor Mounting Rais Asse%by

+ Auto/Manua 1a% 8eector 8.itch

+ Push Po.er Reays+ Ci%it/position 8ensors

&+ 5eare$ D1 Motors

9'+ Misceaneous


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%eatures

9+ Cight.eight ,re:uire ony one person for%ounting 4 instaation0

*+ 8i%pe gripping an$ ho$ing %echanis%

;+ Rea$y for re%ote an$ oca operation

+ Motor o#ercurrent protection

+ Response ti%e of E = secon$s

+ Motor interoc- operation


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&stimated osting' per ()* RMU

+, motor set-• Mechanica .or-s ,%otor %ounting an$ grip

fra%e0 F ) RM9;''

• 5eare$ %otors F ; @ RM''• 1ontroer F RM


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nitia sur#ey an$ testing in C8A8

nitia %otor seection

Coa$ brea-er s.itch si2ing


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Motor %ount an$ tor:ue testing

1ontinuation of %otor seection


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D1 Motor on %ount

Testing tor:ue capabiity


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3urther testing on actua 345 RMU


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Procurement of .est Bed RMU


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"nstallation of Mount on /rip %rame


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Motor %ount instae$ on grip fra%e on an 345 RMU


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Rear #ie. of gripping ca%p


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%0/ 11.. and 11. RMUs in U2".&2

GGT 345 RMU GGTT 345 RMU


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/rip %rame


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Detac#able Motor Mounting Rail Assembly


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Motor Selection and .esting 3 "$SAS

;'D1 1ircuit Brea-er Motor


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/earbo4 %ailure 3 Specified .or!ue (526m


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S7itc#ing 8ey %ailure


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.esting on RMUs in U2".&2


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Pay i$eo

Motor Mounting Rail Assembly


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Pay i$eo

Motor Mounting Rail Assembly

http://mvi_5199.avi/http://mvi_5199.avi/


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.#ank you9

Huestions 4 Discussions


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.imeline

Month 1 Month 2 Month 3 Month 4

ActuationMechanis% Assy

3abrication an$assy

Test an$ Trias

1ross 8i$e

Tra#ersing Assy

Design an$

Procure%ent 3abrication

Actuation an$

1ross si$eintegration

Test an$ Trias

8ensors 4 Aign%ent

8eection Procure%ent ntegration Test an$ Trias

Po.er 4 1ontros8yste%

8eection an$Procure%ent

Progra%%ing Test an$ Trias

Net.or-ing an$1o%%unication

PD8B


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Uniten Procurement Procedures

Quotation aue! I RM 9'' " 3oat perio$! ; 9< $aysMin+ ! ; co%panies

Tender aue! J RM 9'' " 3oat perio$! 9< *9 $aysMin+ ! = co%panies

20100406 tnbd presentation meeting

Documents