Last edited by Shaktilar
Tuesday, July 14, 2020 | History

2 edition of EMP/EMI hardening of electrical conduit systems found in the catalog.

EMP/EMI hardening of electrical conduit systems

Paul Nielsen

EMP/EMI hardening of electrical conduit systems

by Paul Nielsen

  • 100 Want to read
  • 34 Currently reading

Published by Construction Engineering Research Laboratory, U.S. Army, Corps of Engineers, National Technical Information Service, distributor in Champaign, Ill, [Springfield, Va .
Written in English

    Subjects:
  • Shielding (Electricity),
  • Electric conduits.

  • Edition Notes

    Other titlesE.M.P./E.M.I. hardening of electrical conduit systems.
    Statementby Paul Nielsen.
    SeriesTechnical report -- M-292., Technical report (Construction Engineering Research Laboratory) -- M-292.
    ContributionsConstruction Engineering Research Laboratory.
    The Physical Object
    Pagination74 p. :
    Number of Pages74
    ID Numbers
    Open LibraryOL19861042M

    from 10 kHz to 10 MHz Electric Field, to MHz to 1 GHz Planewave Field and 2 GHz to 18 GHz Microwave Field. Tests were performed per MIL-STD and in general accordance with IEEE 1" trade size conduit was tested using standard liquidtight fittings from Thomas & Betts Series support systems, and time-critical air traffic control functions. At Level 4, shielding against high frequency EMP should provide at least 80 dB of protection through 10 GHz (in other words, the EMP field strength should be attenuated by a factor of at least % by the shielding).

    EMI is the leading electrical manufacturer’s representative in Michigan. We pride ourselves on our long term relationships with our manufacturers and customers. We strive to lead in specification, distribution, electrical contractor and end user relationships. With over constant electrical connections, we are touching customers of all. Supposedly, the problem with an EMP affects sensitive electronics by the EMP’s field messing with the electrical micro-fields of the car’s electronic/digital systems. Car not running = no fields to mess up. An EMP is a strong electrical field from the ’s not a thousand-degree bolt of fire, for goodness sake!

    EMP (electromagnetic pulse) / HEMP (high-altitude electromagnetic pulse) threat has long resulted in the establishment of military standards that set requirements for effective EMI/EMP hardening of critical defense systems. As such, the applicable military standards MIL-STD and MIL-STD are being referenced in this discussion. Addressed to: Commander, Naval Sea Systems Command, ATTN: SEA 55Z3, National Center Building 3, Washington, DC by using the requirements do not include methods for EMP hardening of topside equipment or (EMI).. Electromagnetic pulse (EMP).


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EMP/EMI hardening of electrical conduit systems by Paul Nielsen Download PDF EPUB FB2

An electromagnetic pulse (EMP) event - either through natural occurrence or deliberate attack - could cripple the U.S. electric grid and bring the economy to a halt. The White House is taking.

Get this from a library. EMP/EMI hardening of electrical conduit EMP/EMI hardening of electrical conduit systems book. [Paul Nielsen; Construction Engineering Research Laboratory.]. Browse SHIELDTITE® - EMI/EMP for High Level Shielding Liquid-Tight Flexible Metal Conduit (LFMC) in the Anamet Electrical, Inc.

catalog including Item #,Electrical Trade Size,Length,Packaging,Inside Diameter,Outside Diameter. Choose Language: Call: () Email REP.

EMP/EMI HARDENING OF ELECTRICAL CONDUIT SYSTEMS 1 INTRODUCTION Background Electromagnetic shielding is often required for Army fixed facilities to protect electronic systems from undesired effects of stray electromagnetic energy.

These effects range from false signals causing equipment malfunction to large voltages causing damage to electronic.

Properly designed and installed conduit systems can provide an effective EMP/EMI hardening technique for fixed facility construction.

This report presents the results of a CERL study to provide design criteria and to conduct hardness assessments for such shielded systems.

Leakage mechanisms are identified, and techniques for determining signal levels coupled to conductors inside conduit Author: Paul H Nielsen. In fact, we believe no other conduit system can match the quality and performance of our new "Bluejacket" system.

The U.S. Navy has cast its vote: Glenair's MIL-PRFA conduit systems are the first products approved by the Navy under the new specification for topside use in new ship construction, new installations, future repairs, overhauls.

These standards establish baseline performance and testing requirements for high-altitude electromagnetic pulse (HEMP) and Electromagnetic Interference (EMI) hardening of fixed and transportable ground based facilities which perform mission critical C4ISR (Command, Control, Communications, Computer, Intelligence, Surveillance and Reconnaissance.

• MIL-STD HEMP Hardening Fixed Facilities • MIL-STD HEMP Hardening Transportable Systems • MIL-STD EMI Requirements Subsystems • MIL-STD EMI Requirements for Systems (Electromagnetic Environment Effects – Lightening, EMP etc.) • IEC SC 77C Commercial HEMP Requirements.

When people discuss an “EMP attack,” they are almost always referring to one that is a result of a high-altitude nuclear detonation. Relevant EMP-Related Standards. MIL-STD HEMP Hardening (Fixed Facilities) MIL-STD HEMP Hardening (Transportable Systems) MIL-STD Environmental Requirements Component Level.

primarily on the bulk electric power system including large generating stations, large power transformers, the transmission network, and transmission system protection. Electrical distribution systems may potentially be included, if warranted, after consideration of the consequences for the bulk power system.

EMC / EMI Testing NTS is known worldwide as the industry leading provider of Electromagnetic Compatibility (EMC) and Electromagnetic Interference (EMI) engineering and compliance services.

Our Program Managers and Subject Matter Experts work closely with you, conducting extensive technical reviews to determine your needs and provide a.

John S. Foster, Jr., et al., "Report of the Commission to Assess the Threat to the United States from Electromagnetic Pulse (EMP) Attack," The Graham Commission, Vol.

Electromagnetic Pulse (EMP) is an instantaneous, intense energy field that can overload or disrupt at a distance numerous electrical systems.

M/AD-A, EMP/EMI Hardening of Electrical Conduit Systems, September Additional analytic efforts conducted since then are reported here. Robert Quattrone is Chief of CERL-EM. COL Paul J. Theuer is Com-mander and Director of CERL, and Dr. Shaffer is Technical Director. Accession For NTIS GRA&I DTIC TAB Unannounced Q.

A nuclear EMP threat to a military system can be divided into two levels: (1) coupling to a system level through a cable, antenna, or aperture; and (2) the component level. This report will focus on the initial condition, which includes threat definition and target description, as well as the mapping process from the initial condition to.

@article{osti_, title = {Invention and development of Placer. [Pulsed loop antenna conduit electromagnetic radiator; for testing EMP radiation hardening of ABM systems]}, author = {Agee, F J and Roberts, H A}, abstractNote = {The importance of hardening the SAFEGUARD system to EMP was established in the turbulent arguments of complexity and potential vulnerability of any ABM system.

Magneto hydrodynamic EMP (MHD-EMP) MHD-EMP is the late time (t > second) component of EMP caused by a high altitude nuclear burst. Two distinct physical mechanisms produce different parts of the MHD-EMP signal: an “early phase” from to 10 seconds after the detonation, and “late phase” lasting from to seconds.

An electromagnetic pulse (EMP), also sometimes called a transient electromagnetic disturbance, is a short burst of electromagnetic energy. Such a pulse's origin may be a natural occurrence or man-made and can occur as a radiated, electric, or magnetic field or a conducted electric current, depending on the source.

EMP interference is generally disruptive or damaging to electronic equipment. Conducted EMI is caused by the physical contact of the conductors as opposed to radiated EMI which is caused by induction (without physical contact of the conductors).

For lower frequencies, EMI is caused by conduction and, for higher frequencies, by radiation. EMI through the ground wire is also very common in an electrical facility.

When it comes to electrical raceways, we believe there’s no safer option than metal conduit when you’re looking for the best physical protection for wiring. Aluminum conduit ensures strength and excellent corrosion resistance, and steel conduit acts as an effective ground shield, minimizing EMI and external RFI.

Satisfaction. Electrical Conduit - SHIELDTITE® Z1- EMI/EMP for High Level Shielding Liquid-Tight Flexible Metal Conduit (LFMC) -- Supplier: Anamet Electrical, Inc. Description: Thermoplastic PVC jacket Conduit shall be Anaconda SEALTITE® Type SHIELDTITE® Z1.4.

This revision of MIL-STD has been expanded to include procedures for Electromagnetic Pulse (EMP) hardening. It also provides procedures and guidance to more easily address MIL-STD requirements in relationship to intra- and inter-ship EMC, hull-generated IMI, lifecycle E3 hardness, EMP, and electrical bonding.The main advantage of a well-maintained older vehicle may be that it is likely to be much easier to repair if it does sustain EMP damage.

The Soviet experience is a warning to keep critical electrical spare parts on hand for the older vehicle. This includes things like ignition coils, mechanical distributors, generators and starting motors.