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Desalter transformer for crude oil electrostatic desalting in oilfield and refinery

Desalter & Dehydrator

High-voltage power units for crude oil processing

Desalter and Dehydrator Power Unit
DROP-IN REPLACEMENT

Desalter & Dehydrator Power Unit

1:1 drop-in replacements built to your exact dimensions.

Replacing a legacy Desalter & Dehydrator Power Unit? Simply provide your existing drawings and nameplate, and we will custom-manufacture your unit to match the original mounting footprints and flange interfaces exactly.

Production lead time: 3-4 weeks per unit. Expedited options are fully available for multi-unit orders.

1:1 Match • Zero Modifications

Power Unit Replacement Specs

A successful drop-in replacement for a Desalter & Dehydrator Power Unit requires strict evaluation of original specifications. To ensure seamless integration, the following critical parameters must be matched perfectly.
  • High-Voltage Interface Matching: The mounting footprint and, most importantly, the high-voltage side connection dimensions must be strictly identical to the legacy unit.
  • Explosion-Proof Safety: The equipment must meet the rigorous explosion-proof standards required for continuous operation in hazardous refinery zones.
  • Electrical Equivalency: Capacity (kVA) and secondary voltage tap configurations must match to maintain the exact electrostatic field strength.

Crude Oil Power Unit Customizations

Beyond basic dimensional matching, a professional Desalter Power Unit must be configured for the specific demands of crude oil processing and the geographic realities of the installation site.
  • 100% Short-Circuit Impedance (Mandatory): A critical parameter for this application. An integrated reactor for crude oil desalting is required to safely absorb the continuous arcing and short-circuit surges inherent in the process.
  • Ambient Temperature & Heat Dissipation: For installations in regions like the Middle East, extreme ambient temperatures demand upgraded cooling designs to prevent the unit from overheating under continuous load.
  • Environmental Anti-Corrosion: Offshore platforms or coastal refineries require heavy-duty, marine-grade coatings to protect the dehydrator power unit tank from salt spray and corrosive H2S gas.

Desalter & Dehydrator Power Unit

A successful 1:1 replacement requires precise engineering alignment to replicate the legacy mounting footprint, high-voltage interfaces, and electrical specifications. Combined with a rapid manufacturing response, this strict consistency allows for a seamless transition without facility modifications, minimizing refinery downtime.

For detailed technical configurations and highly customizable matching parameters tailored to your specific site, please explore our product series below.

Power Unit Specifications

Explosion-proof Power Unit

When reviewing legacy nameplates, you will often see the designation Ex eb ob IIB T5 Gb. It is important to clarify that this model is now designated as Ex ec oc IIC T5 Gc. This shift is strictly due to revisions in international explosion-proof standards. The underlying product, core manufacturing processes, and safety mechanisms remain exactly the same.