Three Phase Power Transformer from CES Transformers

May 13, 2026

CES designs and manufactures small and medium size power transformers that meet utility grade substation standards and specialty application demands. CES in-house design team can customize solutions for any market segment including green & renewable energy, commercial, utility, and industrial applications. Our features meet or exceed standard equipment by only utilizing the highest quality components from leading suppliers along with non-standard options to meet any customer project requirements.

Design Capacities

  • Three Phase: 500kVA up to 5000 kVA
  • Primary Voltage: Up to 44kV
  • Secondary Voltage: Up to 690V or Step Up to 34.5kV
  • Built to customer specifications in accordance with CSA C88 M90, ANSI C57, and C802.3 Energy Efficiency Standards

Standard Accessories and Features

  • Aluminum nameplate engraved
  • HV Bushings
  • LV Bushings
  • Drain valve with sampling device
  • Liquid level indicator
  • Liquid temperature indicator
  • Pressure relief device
  • Jacking Steps
  • Grounding Pads
  • Exterior Finish conforming to ANSI C57.12.28.
  • Operating Manual

Standard Accessories and Features

  • Tamper proof cabinets;
  • Custom tank designs;
  • Custom throats & ducting with aluminum plate access covers;
  • Winding temperature Indicator;
  • Pressure vacuum indicator;
  • Rapid pressure rise relay;
  • Gas detector relay;
  • Zero to Three contact options alarms on gauges;
  • NEMA control box;
  • High voltage o circuit taps;
  • Pressure/vacuum bleeder device for sealed tank transformers;
  • Lightning arresters or provision for mounting;
  • an cooling with automatic controls;
  • Metering current transformer;
  • Control box strip heaters;
  • Removable radiators;
  • Additional tests may be requested by the purchaser and shall be performed in accordance to ANSI/IEEE C57.12.90;
  • FR3 fire resistant biodegradable insulating fluid LNAN;
  • Dual voltage selector switch;
  • Purchaser specified impedance limits;
  • Alternative protection devices, specified by the purchaser;
  • Customer stock code and stencilling;

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