Atos Origin Monitors More Than 58 Nuclear Power Plants in France with Bustec VXIbus Boards
Atos Origin Monitors More Than 58 Nuclear Power Plants in France with Bustec VXIbus Boards
Company: ATOS Origin
Industry: Nuclear Power
Challenge: Creating a system to perform monitoring and predictive analytics on critical equipment in more than 58 French nuclear power plants and crucial data from 70 power turbines for nuclear and conventional power plants, while delivering real-time data of all measured values in a system supported by VxWorks.
Solution: Using a VXIbus-based solution with Bustec products to achieve a high level of analog accuracy and bandwidth for acute measurements.
Products
- ProDAQ 3043 PowerPC-Based VXIbus Slot-0 Controller
- ProDAQ 3232 4-port Serial Card for 304X families
- ProDAQ 3180 Ultra-Performance Motherboard Module
- ProDAQ 3214 512MB memory for ProDAQ 3180 Motherboard
- ProDAQ 3280 TigerSHARC DSP for ProDAQ 3180 Motherboard
- ProDAQ 3424 8-Channel, 24-Bit, Sigma-Delta ADC Function Card
- ProDAQ 3610 48-Channel DIO Function Card
EDF required monitoring of critical equipment in all 58 of their nuclear power plants in France, along with monitoring of all crucial data for 70 power turbines for the nuclear and conventional power plants. Atos needed to design a system that could achieve successful monitoring and deliver all of the monitored data in real time. In addition, Atos needed VxWorks support to integrate with existing systems, as well as a powerful digital signal processor (DSP) for power spectra and FFT calculations.
Atos chose to standardize their system on the VXIbus platform, a well-established IEEE standard with proven technology. The combination of analog accuracy and bandwidth requirements for the EDF system was best handled by VXIbus technology, which includes benefits such as high channel-count density and availability of DSP power on A/D boards. Atos was confident that because the VXIbus platform is a technology proven over time, a VXI-based system would be sustained and supported for decades to come.
Atos chose to use Bustec products on the VXI platform, because products offered on the Bustec VXI line have the highest sustained data rate per second of all VXIbus vendors (at the time of system conception up to 100 MB/s sustained, now up to 200 MB/s), a very high analog quality (up to SNR 117 dB), and powerful onboard DSP for real-time derived data (TigerSHARC). In addition, Bustec provided onboard FFT calculations, support for VxWorks, and all of the DSP code necessary for the project.
With their VXI-based Bustec system, Atos could measure from 40 to 130 data points per station with direct measured variables, including flow, temperature, pressure, electric variables, vibration, and digital I/O. The system also provided information such as real-time calculations on a DSP, flow measurements in terms of nominal operating conditions, natural frequency of structure data, warming data, and power spectrum information. In addition, the system was configured to monitor all critical data for fault identification, including areas such as the internal reactor structure, primary pumps, steam inlet valves on turbines, the turbo generator shaft, generators, and loose particle detection in primary and secondary circuits.
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