Api 541 pdf
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the american petroleum institute ( api) standard 541, third edition, is a standard that covers the minimum requirements for form- wound coils, and squirrel cage rotor induction motors 250 horsepower and larger ( this is generally above the nema 440 frame size). an optional advanced condition monitoring system, abb machsense- r, detects potential problems at a very early stage, before they become api 541 pdf serious. by enabling targeted and timely maintenance, this system helps to further reduce downtime, and. this paper discusses the ieee, api 541 4th edition, and api 547 standards, and provides guidance as to the applicability of each. api std 541 ( r) – form- wound squirrel- cage induction motors- 500 horsepower and larger, fifth edition. abstract: the fifth edition of american petroleum institute ( api) 541 was written by a task force of users, consultants, and manufacturers to provide a common performance standard to cover the minimum requirements for form- wound squirrel- cage induction motors 375 kw ( 500 hp) and larger. api 541 / 547 motor brochure. fifth edition | december | 160 pages | $ 190. abovenema motors api standard 54 petroleum and chemical industrie answers for industry 1 siemens. the standard is designed to outline the requirements of. api standard 541 is the premier large induction motor specification, originally created for refining api 541 pdf service, but now applied by many companies in a wide range of industries. this standard covers the minimum requirements for special purpose form- wound squirrel cage induction motors 375 kw. the purpose of this api 541 standard is to serve as a comprehensive purchasing specification that can be used by specifiers of high. api 541 5th edition was written by a taskforce composed of users, consultants and manufacturers to provide a common performance standard to cover the minimum requirements for form- wound. the baldor- reliance api 547 motor is designed to meet the spec and is also the first motor of any kind to receive the api monogram. drives technology division american petroleum institute api standard 547 license number. the standard is meant to provide an ac induction motor with increased reliability and value. by thoroughly understanding what each specification was. api 541 standard for induction motors and api 546 for synchronous motors is a good reference document to use to specify pdf testing. the choice is clear - the stakes are high. throughout 541’ s pdf life, each revision has added changes to promote increased reliability, safety and ease of use. if there were a “ standard” test, it would be the routine. this paper reviews the significant changes relative to the 3/ sup rd/ edition. it shall not be reproduced or circulated or quoted, in whole or in part, outside of api committee activities except with the approval of the chairman of the committee. many motor users may be confused when it comes to calling out the appropriate standard or specification for their applications. with extensive local expertise and factories around the world; siemens assures you receive the highest api 541 pdf qua' ity motor, built to conform to all international and national. 2 kv horizontal mounting only horizontal and vertical mounting wpii and tefc all enclosures sleeve bearings sleeve bearings innovation siemens anema standard ratings ( hp) # poles rotor material framescopper > 1000 hp. the standard is designed to outline the requirements of all aspects of an induction machine. sound mechanical design reduces the vibration levels and extends the life of the machine. a working group consisting of motor end- users, consultants and suppliers initially developed api 541 approximately 20 years ago. in addition, major. this document is not an api standard; it is under consideration within an api technical committee but has not received all approvals required to become an api standard. this paper discusses induction motor vibration, how api 541 views pdf it, and what it means to the customer and manufacturer. the 4/ sup th/ edition of this standard has been released, and has many changes and improvements over previous editions. covers the minimum requirements for all form- wound squirrel- cage induction motors 500 horsepower and larger for use in petroleum industry services. good motor performance depends on the electrical and mechanical design and the motor operating conditions. a summary of test requirements for testing large ac induction and synchronous motors to api 541 and api 546 specifications is provided. to follow and understand the api 541 specification, this paper will discuss. the additional test requirements specified by the api standards. an overview of the revisions to api 541 is provided, which has new requirements in the areas of frame vibration and insulation tests plus improved sections concerning dynamic analysis and thermal withstand capabilities. the api standard provides a list of tests, testing procedures, acceptance criteria, and a guide in the annex for the significance of each test. api standards 5 basic scope api 5 2. this standard covers the minimum requirements for special purpose form- wound squirrel cage induction motors 375 kw ( 500 hp) and larger for use in petroleum, chemical, and other industry. please note that any addenda or errata may not be included in translated editions of this standard. testing of special- purpose motors requiring more stringent tests is specifically addressed. compliance with api 541 ensures reliability, quality and straightforward installation. this commitment to delivering quality and value to our customers is one of the reasons that baldor- reliance motors remain the preferred choice of users in the petrochemical industry. the fifth edition of american petroleum institute ( api) 541 was written by a task force of users, consultants, and manufacturers to provide a common performance standard to. this standard may be applied to adjustable speed motors and induction generators with appropriate attention to the specific requirements of such applications. api 541 5th edition was written by a taskforce composed of users, consultants and manufacturers to provide a common performance standard to cover the minimum requirements for form- wound squirrel. some standards are better suited to certain applications than others. api 547 1st 250 – 3000hp 4/ 6/ 8p “ non- critical” 2 pole wpii 2 pole tefc vertical ieee≤ 500hp, ≤ 4kv, tefc h & v, a/ f brgs api 541 5th ≥ 500hp api 546 3rd 500 kva ≥ 500kva synchronous machines ‘ standard’ ‘ custom’ kwnow metric. api 541 5 th edition was written by a taskforce composed of users, consultants and manufacturers to provide a common performance standard to cover the minimum requirements for form- wound squirrel- cage induction motors 375 kw ( 500 hp) and larger. 2 kv horizontal mounting only horizontal and vertical mounting wpii and tefc all enclosures sleeve bearings sleeve bearings api standards 5 basic scope siemens industry, inc. an overview of testing facilities and methods necessary to address these requirements is given. form- wound squirrel pdf cage induction motors— 375 kw ( 500 horsepower) and larger.