PetroDuty™ API 541API 547

g Tough

g Reliable

g Durable

g Quality

Motors | Automation | Energy | Coatings

API541/547

API-541 4th EditionThe PetroDuty™-541 WEG motor designs have been developed to satisfy or exceed the strict requirements set forth by the American Petroleum Institute for motors rated 500HP and larger. These motors are suitable for use in the petroleum industry services.

API-547 1st Edition The PetroDuty™-547 WEG motor designs

have been developed to satisfy or exceed the requirements set forth by the American Petroleum Institute for motors rated 250HP through 3000HP. These motors are suitable for use in general purpose petroleum or chemical

applications as well as other industrial severe duty applications.

Our customers require motors that provide increased durability, reliability, and quality that can be utilized for services throughout

the Petroleum and Petrochemical industry.

Rotor

Standard Features API-541 4th Edition API-547 1st Edition

Power 500HP and above 250HP to 3000HP

Frequency 50Hz and 60Hz 50Hz and 60Hz

Voltages 2300V through 13,200V 2300V through 13,200V (Dual voltage only for 2300V/4000V)

Poles 2 and higher4, 6, and 8 (2 pole for 800HP and below in totally enclosed enclosure or 1250HP and below for WPII enclosures)

Available Starting methods Direct on line (DOL) or Variable Frequency Drive (VFD) Direct on line (DOL)

Service Factor 1.00 1.00

Winding Form Wound Form Wound

Locked Rotor Current Limit 650% 650%

IEC and NEMA designsCast iron or fabricated steel frame material depending on frame size and enclosure se-lection

Cast iron or fabricated steel frame material depending on frame size and enclosure selection

Vibration API-541 4th Edition vibration limits API-547 1st Edition vibration limits

Noise levels 85dB(A) at 1 m under no load 85dB(A) at 1 m under no load

Enclosures DPG, TEFC, WPI, WPII, TEAAC, and TEWAC TEFC or WPII

Hazardous Area Classifications Safe, Exn, Exp, or Exd Exn or Exp

Insulation System Sealed VPI insulation system Sealed VPI insulation system

Protection Rating IP-55 protection rating IP-55 protection rating

Sleeve Bearings

Antifriction bearings available for smaller fra-me sizes and vertical motors; Provisions for Bently Nevada series 3300 proximity probes on sleeve bearings

Antifriction bearings available for smaller frame sizes and vertical motors

Labyrinth Seals Taconite labyrinth seals Taconite labyrinth seals

Bearings Both bearings insulated and a grounding strap or brush on the DE

Both bearings insulated and a grounding strap or brush on the DE

Resistance Temperature Devices (RTDs) 2 per winding and 1 per bearing 2 per winding and 1 per bearing

Space heater Single voltage only for hazardous areas Single voltage only for hazardous areas

Hardware Stainless Steel Stainless Steel

Rotor Core C5 quality rotor core laminations C5 quality rotor core laminations

Rotor Copper Bar rotor 1000HP and below = Die Cast Aluminum; above 1000HP = Copper Bar rotor

Air Filters Air Filters for WPII enclosures

Paint WEG 212E paint plan for extreme conditions

WEG 212E paint plan for extreme conditions

Testing Included Un-witnessed Routine API-541 4th Edition Testing

Un-witnessed Routine API-547 1st Edition Testing

WEG Electric Corp.

1327 Northbrook Parkway, Suite 490

Suwanee, GA 30024

Phone: 1-800-ASK-4WEG

web: www.weg.net

AP

I541

/547

Please contact your authorized distributor: