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Prototype Development of Automated Ring Main Unit System

Prototype Development of Automated Ring Main Unit System. Report 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.

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Prototype Development of Automated Ring Main Unit System

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  1. Prototype Development ofAutomated Ring Main Unit System Report 3: Pre-TNBD Presentation Meeting

  2. Procurement of Test Bed RMU

  3. Test Beds in BH Block ZZT F&G RMU ZZTT F&G RMU

  4. Grip Frame

  5. Motor Mounting Rail Assembly

  6. Motor Mounting Rail Assembly

  7. Motor Selection and Testing – ILSAS 30VDC Circuit Breaker Motor

  8. Testing on Testbed Front view Back view

  9. Motor Mounting Rail Assembly Play Video1 Play Video Play Video 2

  10. RMU Automation Operational Block Diagram Auto/Supervisory Manual/push relays & Indicators Local Manual CW Local Manual CCW M1 Power Supply Unit Motor Driver w max current limit M2 28VDC 10A M3 CW/CCW control signal Load switch limit switch Microcontroller SCADA

  11. Components List • Power supply unit • Grip Frame • Motor Mounting Rails Assembly • Programmable Logic Circuit • Motor Driver/controller • Auto/Manual Cam Selector Switch • Push Power Relays • Limit/position Sensors • Geared DC Motors • Miscellaneous

  12. Control Box for Retro-fit /SCADA

  13. Presenting to PiTech Sdn Bhd

  14. Issues to be Discussed • Funds for further development • Operational specifications • Development timeframe

  15. Thank you. Questions & Discussions

  16. 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

  17. Timeline

  18. Tender Value: > RM 100 K Float period: 14 - 21 days Min. : 5 companies Quotation Value: ≤ RM 100 K Float period: 3 - 14 days Min. : 3 companies

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