NWL, Inc. 

Transformer-Rectifier Sets

NWL is a leading provider of high voltage linear T/R Sets for powering electrostatic precipitators (ESP’s) with over 50 years of experience. NWL transformer/rectifier sets are affordable, robust, low life-cycle-cost solutions for powering ESP’s.  NWL is the only company who can offer ALL the following options for T/R sets:

• New and replacement – build an exact duplicate of an existing T/R set or fabricate a T/R set based on standard NWL platforms to reduce the cost
• Repair and refurbishment – restore your existing T/R set to “Better than Original” condition

New or Replacement T/R sets

• Standard designs: Five peak output voltage selections (70, 80, 90, 100, and 110 KV)
• Standard designs: Output currents from 200 to 1500 mADC
• Pre-engineered tank designs with a variety of options
• Complete drawing package is provided with a price quotation
• Unique designs to meet exact custom requirements.
• Custom design output voltages up to 135kV peak
• Custom design output currents to 3000mA
• Production documents electronically archived since 1999
• Most documentation is available for T/Rs fabricated prior to 1999
• No re-engineering required for most existing units
• Exactly reproduce the current unit

NWL has engineered replacement solutions for most original T/R set suppliers. NWL can also supply its standard designs that can be made to fit in the location of the existing units, with field modifications.

Refurbished T/R Sets

NWL has been refurbishing transformers since it was started in 1920 and now has the finest ESP transformer/rectifier set repair facility in North America. Leveraging its considerable manufacturing capabilities and power engineering expertise, NWL can refurbish T/R sets better than any competitor and to better than original condition with a 24 month warranty on the complete unit. NWL refurbishes existing transformer/rectifiers as follows:

Summary

• All parts replaced except core and tank
• Delivery can be as fast as three weeks after receipt of T/R
• Refurbished units have the same 24 month warranty as a new T/R