Welcome to ZERO GROUND.COM
Welcome to ZERO-GROUND.com...
Home of HFES®, the World's Most Advanced Patented Wiring System Solution for
Variable Frequency Drives (VFD’s), Adjustable Speed Drives (ASD’s),
Uninterruptible Power Supplies (UPS’s) and Computer Systems and dBzSHIELD® Shielded Flexible Conduits to address EMI/RFI issues.

("ELECTRICAL NOISE" measured before ZERO
GROUND HFES®; note: before graph vertical divisions are 500
mA)

("ELECTRICAL NOISE" measured after ZERO
GROUND HFES®; note: "after" graph
vertical divisions are MAGNIFIED 10x to 50 mA)
What’s New?
ZERO GROUND HFES®
System Solution is the top story on the Control Engineering website for November 6, 2008.
Titled “EMI FROM DRIVES: HOW TO CONTROL HIGH-FREQUENCY NOISE OF ADJUSTABLE SPEED DRIVES”,
the article also addresses issues with Safety and Motor Bearing Currents that are typically
overlooked in adjustable drive cell installation planning and system troubleshooting.
To view, click on website link: ZERO GROUND
Reviews.
Our Customers
Companies and organizations
ZERO GROUND has worked and/or is working with include:
• MSHA - U.S. Mining Safety & Health Administration*
• ABB - Asea
Brown Boveri, Ltd*
• TIC - Toshiba
International Corp.*
• Flint Energy
• Albian Sands - Div. of Shell Oil
• Boeing
• Northrup Grumman
• General Dynamics
• U.S. Coast Guard
• General Electric
• G-P - Georgia
Pacific Corporation
• IEEE - Institute of Electrical & Electronics Engineers Standards Association
• TAPPI - Technical Association for Pulp & Paper Industry
• US Navy
• Wisconsin
Department of Agriculture
* Indicates 3RD
Party Tested and/or Endorsed
October
2005 – IEEE publishes the ZERO GROUND HFES System Solution “White
Paper” at the EIC Conference on Electrical Insulation, Indianapolis,
Indiana. To view, click on website link: ZERO GROUND
Reviews.