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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 ofAutomated Ring Main Unit System Report 3: Pre-TNBD Presentation Meeting
Test Beds in BH Block ZZT F&G RMU ZZTT F&G RMU
Motor Selection and Testing – ILSAS 30VDC Circuit Breaker Motor
Testing on Testbed Front view Back view
Motor Mounting Rail Assembly Play Video1 Play Video Play Video 2
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
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
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
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