Problem: Circuit Breaker catastrophic failures. This picture shows the damage caused by arcing ground faults on a Work Boat. 8 Arc Flash events in 2 years, cause ABS to ground this vessel.
This circuit breaker is but one of many catastrophic failures & 8 Arc Flash ev...
To properly size VSGR, we need to answer a couple of questions:
1. System Voltage, needing protection?
2. kVA rating of the supply Transformer? If you know the kVA, great, go the table.
a. If you don't know the kVA rating, the circuit breaker, fed by t...
Where: La Madeleine, Katy Texas,
When: May 21, 2019, beginning at 7:30 am to 9:00 am.
DEMONSTRATE ARC FLASH PREVENTION
BREAKFAST SEMINAR. (1pg pdf)
This technical program is for anyone with responsibility for electrical systems, maintenance, design, planning, or simpl...
Resistance Grounded Electrical Systems are obsolete.
Cost justification for Phaseback VSGR over HRG or other Resistance Grounding Technologies are:
Safer operation VSGR can Eliminate 85% of Arc Flash risks, by preventing 1ph/Ground faults.
Energy Reduction will r...
A Michigan extruder plant, with SCR / DC motor, was having recurring downtime caused by
equipment failure. Capacitors and Drives were failing weekly, which caused other control
issues & serious production problems.
Action items: VSGR installed, 2. AmpTrap Filter re...
The study determined that Drives and Controls were faulting, due to Voltage imbalance (single phase sags). Download 2pg pdf.
Action item: Phaseback VSGR was installed which solved the problems.
Results: Efficiency, reliability, and safety remain significantly i...
Without VSGR there will be an event, nuisance control problems, an unscheduled outage, or perhaps worse.
With VSGR, the event will consist of an Alarm, which allows a chance to find and correct the problem. The system operates reliably efficiently and uninterrupted.
When V2 begins arcing to ground, which condition works? Nominal 220V 3phase
1. The unprotected condition?
V2 drops into the Fault Zone. V1 & V3 rise into the Danger Zone. Other problems can happen, such as electrical noise, equipment malfunction upon restart, unexpect...
Multiple Choice: Which Arc Flash Mitigation Action Items would you choose? 1. Arc Resistant Switch-gear – intended to have the Arc Flash energy escape back and upward, in an effort to save personnel.
2. Fire resistant clothing – Intended to not sustain a flame.