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IS2020SSRKG2 - VME Rack Main Power Supply Module is available in stock which ships the same day.
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SPECIFICATIONS:
Part Number: IS2020SSRKG2
Manufacturer: General Electric
Series: Mark VI
Number of Channels: 8
Microprocessor: Intel Celeron 650 MHz
Memory: 128 MB SDRAM
Operating system: QNX
Programming: Boolean
Input Voltage: 24 VDC
Output Power: 300W
Product Type: VME Rack Main Power Supply Module
Maximum Lead Resistance: 15 Ω
Operating temperature: 0 to 60° C
Technology: Surface mount
Size: 16.2 cm high x 8.6 cm
Repair: 3-7 Day
Availability: In Stock
Country of Origin: United States
FUNCTIONAL DESCRIPTION:
IS2020SSRKG2 is a VME Rack Main Power Supply Module manufactured and designed by General Electric as part of the Mark VI Series used in GE Speedtronic Control Systems. The VME Rack Main Power Supply Module is a critical component in gas turbine control systems, providing stable and reliable power to the various control, monitoring, and safety subsystems. Gas turbines require precise control of fuel flow, airflow, and various safety mechanisms, all of which rely on the continuous operation of control electronics. The VME power supply ensures that these essential modules receive the necessary DC voltages, enabling the turbine to operate efficiently and safely. Designed to work in harsh environments, the VME power supply also includes features like redundancy, protection mechanisms, and rugged construction, making it an indispensable part of the overall control architecture.
OPERATION:
The operation of the VME Rack Main Power Supply Module involves converting the external AC or DC input into the appropriate DC voltages needed by the gas turbine control system. These voltages are typically distributed via the VME backplane, which supplies power to all control, I/O, and communication modules. The power supply ensures that critical systems like fuel control, overspeed protection, and temperature monitoring remain operational, even during variable load conditions. Redundancy is a key feature, often implemented through dual power supplies or uninterruptible power systems (UPS), to avoid system shutdowns due to power interruptions. Advanced monitoring features track voltage levels, temperature, and current, alerting operators to any anomalies that might affect the turbine's performance.
INSTALLATION:
The installation of the VME Rack Main Power Supply Module requires careful attention to both electrical and mechanical integration within the gas turbine control system. The power supply is mounted into a VME rack, which must be properly grounded and installed in a location with adequate ventilation to manage heat dissipation. The module is typically designed for hot-swappable installation, allowing for easy replacement without powering down the turbine. Electrical connections must be securely made to ensure stable power delivery and redundant power supplies can be installed to provide failover capabilities in case of a primary power supply failure. Once installed, the system should be thoroughly tested to confirm the correct operation of voltage outputs and protection systems, ensuring reliable power distribution to all critical components of the gas turbine control system.
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What voltages does the VME power supply typically provide?
The VME power supply usually provides multiple DC voltage levels, including +5V, +12V, -12V, and +3.3V, to power different components like control cards, I/O modules, and communication interfaces.
Why is redundancy important in the VME power supply?
Redundancy is crucial to ensure continuous operation of the gas turbine control system. It helps prevent downtime or unsafe operating conditions in the event of a power supply failure. Dual power supply configurations or uninterruptible power supplies (UPS) are commonly used.
How does the VME power supply ensure reliability?
The VME power supply includes various protection mechanisms, such as overvoltage and overcurrent protection, thermal shutdown, and short-circuit protection, to ensure stable operation. Additionally, advanced monitoring features help detect anomalies before they lead to failures.
