The rise in power factor and peak demand charge

penalties is driving the need for better energy

efficiency in electric heat treatment furnaces. Installing

an EPower advanced thyristor power controller

with predictive load management offers a variety

of efficiency benefits, compared to legacy analog

thyristor and variable reactance transformer (VRT)

controlled designs.

Lower energy costs

Hybrid firing modes and predictive load

management strategies offer energy saving

efficiency improvements:

• Typical power factor (PF) better than 0.9 helps

to meet the PF limits set by utility suppliers,

reducing the risk of PF penalty charges

• Predictive load management can stabilize

power demand, helping to reduce peak

demand charge penalties

• Typical energy savings ≈10%

• Typical ROI < 2 years [1]