1. Prototype Development of Automated 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
CW/CCW
control signal M3
Microcontroller
Load switch limit switch
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. Issues to be Discussed Funds for further development
Operational specifications
Development timeframe

13. Questions & Discussions
Thank you.
Questions & Discussions

14. Costing
High volume (+25 units ) estimated direct cost (material + labor) RM /unit
Cost of New manually operated F&G RMU (3+1) unit cost ~RM17K
Motorized RMU unit cost ~RM30K from the manufacturer

15. Timeline Month 1 Month 2 Month 3 Month 4 Actuation Mechanism Assy
Fabrication and assy
Test and Trials
Cross Slide Traversing Assy
Design and Procurement
Fabrication
Actuation and Cross slide integration
Sensors & Alignment
Selection
Procurement
Integration
Power & Controls System
Selection and Procurement
Programming
Networking and Communication
PDSB

16. Quotation
Value: ≤ RM 100 K
Float period: days
Min. : 3 companies
Tender
Value: > RM 100 K
Float period: days
Min. : 5 companies