POWER SUPPLIES FOR RAIL BORNE APPLICATIONS
| BATTERY CHARGERS BR1875 APPROVED | QUANTITY SUPPLIED TILL DATE |
|---|---|
| For Lead Acid/Nickel Cadmium Batteries Input: 110V/240V AC single phase 50Hz Output: 12V 13A British Rail Cat. No. 86/1905 | 30+ |
| 12V 3A British Rail 86/1906 | 2500+ |
| 12V 8A British Rail 86/1907 | 300+ |
| 12V 13A with detectors BR Cat. No. 86/1916 | 30+ |
| 12V 3A with detectors 86/1917 | 350+ |
| 12V 8A with detectors 86/1918 | 60+ |
| 16V 3A BR Cat. No. 86/1908 | 800+ |
| 24V 9A BR Cat. No. 86/1910 | 2700+ |
| 50V 1A BR Cat. No. 86/1912 | 120+ |
| 60V 4A BR Cat. No. 86/1914 | 600+ |
| 110V 5A BR Cat. No. 86/1915 | 600+ |
| FREQUENCY CHANGERS | QUANTITY SUPPLIED TILL DATE |
|---|---|
| Single and three phase inputs at 50Hz Single and three phase outputs at 60, 75 or 83Hz to provide secure communications systems Ratings from 2.5kVA to 20kVA | 300+ |
| UNINTERRUPTED POWER SUPPLIES | QUANTITY SUPPLIED TILL DATE |
|---|---|
| 3KVA systems with electronics sealed to IP65 for trackside signalling and telecom applications | 170+ |
| 1200VA systems for ticketing and telecoms | 90+ |
| Single and three phase systems for signalling and telecoms networks with ratings from 1500VA to 30kVA | 700+ |
| NOTE: | The majority of the frequency changers and UPS systems have been supplied to individual subcontractors or turn-key contractors and for this reason it is not possible to give accurate quantities. |
|---|---|
| Where required UPS equipment for installation in hostile environments has been type tested for Damp Heat, Dry Heat, Cold, Driving rain, Dust, Bump, Vibration and EMC. |
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Concept and Design
a. Define the product's purpose and specifications, including voltage and current requirements.
b. Determine the topology and configuration of the power electronics circuit (e.g., inverters, converters, motor drives, etc.).
c. Create a schematic and layout design.
Simulation and Analysis
a. Simulate the circuit design using software tools (e.g., SPICE, PLECS) to ensure it meets performance and efficiency goals.
b. Perform thermal and electromagnetic interference (EMI) analysis to address heat dissipation and EMI concerns.
Prototype Development
a. Build a prototype of the power electronic circuit.
b. Test the prototype for functionality and performance.
c. Make necessary adjustments and improvements based on the test results.
PCB Layout and Manufacturing
a. Create a printed circuit board (PCB) layout based on the schematic design.
b. Send the PCB design to a manufacturer for production.
Component Procurement
a. Source and purchase all required components and materials.
b. Ensure components meet necessary quality standards.
Assembly and Manufacturing
a. Assemble the power electronic product, including soldering components onto the PCB.
b. Perform quality control checks during the assembly process to detect and rectify any defects.
Firmware and Software Development
a. Develop control algorithms and software for the power electronic product.
b. Test and debug the software to ensure proper operation and safety.
Testing and Validation
a. Conduct extensive testing, including functional tests, safety tests, and performance tests.
b. Ensure compliance with relevant industry standards and regulations (e.g., UL, CE, IEEE).
c. Perform environmental and reliability testing to assess the product's long-term performance and durability.
Certification and Compliance
a. Obtain necessary certifications and approvals from regulatory bodies if applicable.
b. Ensure the product meets safety and environmental standards.