Prototype Development ofAutomated Ring Main Unit SystemReport 3: Pre-TNBD Presentation Meeting

Procurement of Test Bed RMU

Test Beds in BH Block

ZZT F&G RMU ZZTT F&G RMU

Grip Frame

Motor Mounting Rail Assembly

Motor Mounting Rail Assembly

Motor Selection and Testing – ILSAS

30VDC Circuit Breaker Motor

Testing on Testbed

Front view

Back

view

Play Video

Motor Mounting Rail Assembly

Play Video 2

Play Video1

RMU Automation Operational Block Diagram

M1

M2

M3

Manual/pushrelays & Indicators

Microcontroller

Motor Driver w max current

limit

28VDC 10A

SCADA

Auto/SupervisoryLocal Manual

CWLocal Manual

CCW

Load switch limit switch

Power Supply Unit

CW/CCWcontrol signal

Components List

1. Power supply unit2. Grip Frame3. Motor Mounting Rails Assembly4. Programmable Logic Circuit5. Motor Driver/controller6. Auto/Manual Cam Selector Switch7. Push Power Relays8. Limit/position Sensors9. Geared DC Motors10.Miscellaneous

Control Box for Retro-fit /SCADA

Presenting to PiTech Sdn Bhd

Issues to be Discussed

•Funds for further development•Operational specifications•Development timeframe

Thank you.

Questions & Discussions

Costing•High volume (+25 units ) estimated

direct cost (material + labor) RM 4000-5000/unit

•Cost of New manually operated F&G RMU (3+1) unit cost ~RM17K

•Motorized RMU unit cost ~RM30K from the manufacturer

TimelineMonth 1 Month 2 Month 3 Month 4

Actuation Mechanism Assy

Fabrication and assy

Test and Trials

Cross Slide Traversing Assy

Design and Procurement

FabricationActuation and

Cross slide integration

Test and Trials

Sensors & Alignment

Selection Procurement Integration Test and Trials

Power & Controls System

Selection and Procurement

Programming Test and Trials

Networking and Communication

PDSB

QuotationValue: ≤ RM 100 KFloat period: 3 - 14 daysMin. : 3 companies

TenderValue: > RM 100 KFloat period: 14 - 21 daysMin. : 5 companies