Noise additional answers.pdf
PDF 206 KB Posted
- Solicitation number
- FMP-NNL-0038
- Issued by
-
Department of Energy
About this file
This is a Questions and Answers document clarifying technical details related to a Department of Energy pre-solicitation for equipment to generate radiated electrical signals in nuclear power plants. The document addresses two specific technical questions: 1) It confirms that the referenced 10-11 amps should be interpreted as 1 x 10-11 amps or 10 pico amps, and 2) It clarifies that the cable termination connected to the neutron detector has high impedance characteristics similar to a capacitor.
These clarifications relate to a broader solicitation seeking solutions for testing and mitigating electronic noise issues in nuclear plant instruments, particularly regarding coaxial cables that are susceptible to interference from nearby welding, grinding, and equipment operations. The responses help bidders better understand the technical requirements for developing portable testing devices that can simulate these electrical disturbances.
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Other files
| File | Type | Posted |
|---|---|---|
| 24443 Noise RFI answers.pdf |
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Text version
1. The request for information states: “Although the spurious signals are on the order of 10-11 amps and might be considered insignificantly small for many applications, their appearance in sensitive nuclear plant instruments is problematic”.
a. Are the 10-11 amps supposed to be pico-amps or at a level much small than an amp?
Answer: Should be 1 x 10-11 amps, 10 pico amps
b. Regarding the previous question (the previous question is: How is the target cable terminated? The answer was: The cable is attached to a neutron detector) on how the cable was terminated, we are looking for the impedance of the termination. Is it terminated in the characteristic impedance of the cable, a high impedance, or low impedance?
Answer: The end of the cable would look like a capacitor, high impedance
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