The article introduces the products of the "FORC-Photonics", developed and manufactured in the company for nondestructive testing of complex technical facilities at hazardous industrial enterprises.

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Урик Винсент Дж.-мл., МакКинни Джейсон Д., Вилльямс Кейт Дж.
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Issue #4/2018
M. A. Simonov
Fiber-optical system for monitoring the technical condition of industrial facilities
The article introduces the products of the "FORC-Photonics", developed and manufactured in the company for nondestructive testing of complex technical facilities at hazardous industrial enterprises.
T
he key features of the fiber optic system manufactured by Innovation Enterprise “Scientific Center of Fiber Optics – Photonics” LLC is a comprehensive approach to monitoring of the technical condition of industrial facilities, including the hazardous industrial facilities. This approach is ensured by using a modular layout of the monitoring system.
The primary transducers for the system are selected among the wide range of fiber optic sensors of own design [1]:
• temperature sensors (immersion and surface) in various design and temperature versions in the range from –70 °C to 500 °C. All temperature sensors are verified according to GOST 6651-2009 and have an accuracy class of at least “A”;
• overpressure sensors for operation in the range from 0.001 MPa up to 40 MPa;
• vibration sensors (accelerometers) for operation in the frequency range from 7 Hz to 2 kHz with a maximum amplitude of up to 10 g;
• sensors for measuring relative deformation (up to 0.25%) and displacement (up to 2%).

The primary transducers manufactured by Innovation Enterprise “Scientific Center of Fiber Optics – Photonics” LLC can have various structural designs to ensure performance in an aggressive environment and in a wide range of temperatures (up to 500 °C).
The primary transducers are polled by a unified registering module (URM) [1].
The URM configuration can be chosen based on the requirements for the technical control of a specific facility, such as the number of measurement points, the operating frequency of primary transducers, the polling frequency of the entire system, the required data format for integration with the ACS system [2].
The URM can have from 1 to 16 independent optical channels [3]. Each optical channel can accommodate from 1 to 16 primary transducers. Thus, one URM can help to simultaneously poll up to 256 primary transducers. Depending on the requirements for the facility monitoring, there are several URM operating algorithms:
• Each optical channel is polled for some time, while the polling frequency of one optical channel can reach 8 kHz;
• The optical channels are polled sequentially, and the polling frequency of the entire system can reach up to 400 Hz.
Innovation Enterprise “Scientific Center of Fiber Optics – Photonics” LLC has an experience of successful implementation of the fiber optical systems for monitoring of the petrochemical and nuclear industry facilities.
 
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Разработка: студия Green Art