Day 1 - Course Outline
Electric & Magnetic Field Concepts
and Sources
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Overview EMF spectrum & field theory
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Geomagnetic, geoelecetric & DC fields
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ELF/VLF electric E & magnetic H
fields
-
Magnetic Flux Density & Permeability
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Power & VDT sources
-
EMI - electromagnetic interference
-
Stray voltage, current & plumbing
sources
Field Sources & Assessment
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ELF Electric & magnetic field sources
Transmission, distribution & service lines
Substations, transformers & network protectors
Switchgears, feeders, risers & panels
Subways, electric trains & elevators
MRIs, electric smelters & electrolysis
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Ground, plumbing, net & zero sequence
currents
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VDT emissions - ELF & VLF bands
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Transient & harmonic sources
Field Surveys: Instruments & Tools
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Electric field meters
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Gaussmeters & magnetometers
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Single & triple-axis types with
coil, fluxgate & hall-effect probes.
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Recommended field survey instruments
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Survey methods - spot, contour & timed
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VDT instruments/MPR II & IEEE standards
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Wavefore capture - transients & harmonics
Hands-On Site Survey
-
Review IEEE Standards for ELF & VDT
surveys
-
Perform electrical survey - switchgear
room/trans.
-
Record any ground, plumbing & net
currents
-
Program FieldStar gaussmeter for contour
survey
-
Record magnetic field data - switchgear
room/offices
-
Download data/generate plots - hatch,
profile & 3-D
-
Discuss survey methods & presentation
techniques
Day 2 -
Course Outline
Field Management - Practical Techniques
-
NEC wiring violations & corrections
-
Ground, neutral, net & zero sequence
currents
-
Buried power lines, twists & conduit
shields
-
Magnetic field cancellation technologies
Active & passive wire types
-
Magnetic shielding materials & methods
Ferromagnetic materials
Conductive materials
Flux shunting/ducting shields
Eddy current shields
Dual substrate shields - the best solution
VDT Monitor shields
Electric & Magnetic Field Concepts
and Sources
-
Correct NEC violations & grounding
problems
-
Install dielectric coupler on water
service
-
DC magnetic shields - Subways, MRIs,
etc.
-
ELF magnetic shields - offices, work
areas, feeders, transformer vaults
& switchgear rooms
Health, Exposure & Risk Assessment
Information
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Epidemiology & whole animal stusies
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Cellular & genetic studies
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Reproductive & teratological studies
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Neurobehavioral & melatonin studies
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EMF Rapid Program update
Litigation & Realestate Issues
-
Realestate loss (actual or perceived)
-
Recent NYS Court of Appeals decision
-
NY & NJ school surveys near power
lines
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Utilities' response to public concern
-
EMF insurance claim, coverage & liability
-
Current litigation in the courts or lack
thereof
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