1、Technical Report on Electric Motor Prime Mover for Beam Pumping Unit ServiceAPI TECHNICAL REPORT 11L6 SECOND EDITION, MAY 2008Technical Report on Electric Motor Prime Mover for Beam Pumping Unit ServiceUpstream SegmentAPI TECHNICAL REPORT 11L6 SECOND EDITION, MAY 2008Special NotesAPI publications ne
2、cessarily address problems of a general nature. With respect to particular circumstances, local, state, and federal laws and regulations should be reviewed.Neither API nor any of APIs employees, subcontractors, consultants, committees, or other assignees make any warranty or representation, either e
3、xpress or implied, with respect to the accuracy, completeness, or usefulness of the information contained herein, or assume any liability or responsibility for any use, or the results of such use, of any information or process disclosed in this publication. Neither API nor any of APIs employees, sub
4、contractors, consultants, or other assignees represent that use of this publication would not infringe upon privately owned rights.Classified areas may vary depending on the location, conditions, equipment, and substances involved in any given situation. Users of this technical report should consult
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7、bility or responsibility for loss or damage resulting from its use or for the violation of any authorities having jurisdiction with which this publication may conflict.API publications are published to facilitate the broad availability of proven, sound engineering and operating practices. These publ
8、ications are not intended to obviate the need for applying sound engineering judgment regarding when and where these publications should be utilized. The formulation and publication of API publications is not intended in any way to inhibit anyone from using any other practices.Any manufacturer marki
9、ng equipment or materials in conformance with the marking requirements of an API standard is solely responsible for complying with all the applicable requirements of that standard. API does not represent, warrant, or guarantee that such products do in fact conform to the applicable API standard.All
10、rights reserved. No part of this work may be reproduced, stored in a retrieval system, or transmitted by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission from the publisher. Contact the Publisher, API Publishing Services, 1220 L Street, N.W.,
11、 Washington, D.C. 20005.Copyright 2008 American Petroleum InstituteForewordThis publication is under the jurisdiction of API Subcommittee on Field Operating Equipment (SC11) which falls under the API Executive Committee on Standardization (ECS).American Petroleum Institute (API) technical reports ar
12、e published as supplements to other API documents such as standards, recommended practices and specifications used in the procurement of standardized equipment and materials. These Technical Reports are not intended to obviate the need for sound engineering, nor to inhibit in any way anyone from pur
13、chasing or producing products to other standards or specifications.Nothing contained in any API publication is to be construed as granting any right, by implication or otherwise, for the manufacture, sale, or use of any method, apparatus, or product covered by letters patent. Neither should anything
14、 contained in the publication be construed as insuring anyone against liability for infringement of letters patent.Suggested revisions are invited and should be submitted to the Standards Department, API, 1220 L Street, NW, Washington, D.C. 20005, standardsapi.org.iiiContentsPage1 Scope . . . . . .
15、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Normative References. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
16、 . . . . . . 13 Terms and Definitions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Basic Design . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
17、 . . . . . . . . . . . . . . . . . . . . . 24.1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24.2 Other Electrical Design Considerations . . . . . . . . . . . . . . . . . . .
18、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44.3 Other Mechanical Design Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
19、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65.1 Motor Testing Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6Annex A Motor Data Sheet . . . . . . . . . . . .
20、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9Annex B Electric Motor Performance Data Request Form . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11Bibliography . . . . . . . . . . . . . . . . . . . . . . .
21、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13Tables1 Standard Motor Design Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2v1Technical Report on Electri
22、c Motor Prime Mover for Beam Pumping Unit Service1 ScopeThis technical report covers polyphase, squirrel-cage, induction motors for use as the prime mover for beam pumping units (size range of 200 HP and below). It includes a user Motor Data Sheet (Annex A) and an Electric Motor Performance Data She
23、et Request Form (Annex B). Motors to be operated from solid-state or other types of variable frequency/variable voltage power supplies for adjustable speed applications will require individual consideration to provide satisfactory performance and are beyond the scope of this document.2 Normative Ref
24、erences The following reference documents are indispensable for the application of this technical report. For dated references, only the edition cited applies. For undated references, the latest edition of the reference document (including any amendments) applies. ABMA-91, Load Ratings and Fatigue L
25、ife for Ball BearingsABMA-11, Load Ratings and Fatigue Life for Roller BearingsASTM B1172, Standard Practice for Operating Salt Spray (Fog) ApparatusIEEE Std 1003, The Authorative Dictionary of IEEE Standards TermsIEEE Std 112, IEEE Standard Test Procedure for Polyphase Induction Motors and Generato
26、rsIEEE Std 841-1986, Recommended Practice for Chemical Industry Severe Duty Squirrel-Cage Induction Motors600V and BelowNEDA 12.34.14, Segregation of Losses and Smoothing of Stray-Load LossNEMA MG 15, Motors and GeneratorsNEMA MG 13-1984, Frame Assignments for Alternating Current Integral Horsepower
27、 Induction MotorsNEMA MG 13-1956, Frame Assignments for Alternating Current Integral Horsepower Induction Motors (U-Frame Descriptions)NFPA 706, National Electric Code3 Terms and Definitions For the purpose of this document, the definitions of technical terms found in the IEEE Std 100 apply.1America
28、n Bearing Manufacturers Association, 2025 M Street, N.W., Suite 800, Washington, D.C. 20036, www.abma-dc.org.2ASTM International, 100 Barr Harbor Drive, West Conshohocken, Pennsylvania 19428, www.astm.org.3Institute of Electrical and Electronics Engineers, 445 Hoes Lane, Piscataway, New Jersey 08854
29、, www.ieee.org.4National Electric Distributors Association, 1111 Alderman Drive, Suite 400, Alpharetta, Georgia 22209, www.nedassociation.org.5National Electrical Manufacturers Association, 1300 North 17thStreet, Suite 1752, Rosslyn, Virginia 22209, www.nema.org.6National Fire Protection Association
30、, 1 Batterymarch Park, Quincy, Massachusetts 02169-7471, www.nfpa.org.2 API TECHNICAL REPORT 11L64 Basic Design4.1 General4.1.1 Standard Motor Technical Report The standard motor design under this technical report meets the minimum requirements identified in Table 1. Other options indicated in paren
31、theses are available and outlined in this document. These options must be identified on the data sheet.Table 1Standard Motor Design RequirementsRequirement Value TR SectionSize Rating as specified by user 200 HP (150 kw)* and below 4.1.3Synchronous Speed 1200 RPM, (900)* (1000)* 4.1.4Voltage 460/796
32、 (460)* (380)* 4.1.5Frequency 60 Hz (50 Hz)* 4.1.5Phase 3 4.1.5Enclosure ODP-guarded (TEFC)* 4.1.6NEMA Design D (Ultra-high Slip)* 4.1.7Frame T (U)* 4.1.8Frame Material Cast Iron (Other) 4.1.9Insulation Class F (Class F Encapsulated)* (Class H)* 4.1.10Service Factor 1.15 (1.0 Ultra-high Slip)* 4.1.1
33、0Mounting F-2 4.1.11Leads 6 (3, 9, 12)* 4.1.12Bearing Life L-10 minimum 26,280 hours 4.1.13*Other API acceptable valuesExcept as otherwise specified, motor electrical performance and characteristics shall be in accordance with NEMA MG 1.4.1.2 Service ConditionsMotors conforming to this technical rep
34、ort shall be suitable for operation in accordance with their full load rating under the following service conditions or the conditions specified on the user Motor Data Sheet (see Annex A): ambient temperature in a range of 25 C to 40 C (13 F to 104 F); maximum altitude of 1000 m (3300 ft) above sea
35、level; outdoor sever duty application, including blowing dust or snow, corrosive atmospheres, high humidity, and cyclic loading; full voltage across-the-line starting; belted duty; and power supply variations as in 4.2.1.TECHNICAL REPORT ON ELECTRIC MOTOR PRIME MOVER FOR BEAM PUMPING UNIT SERVICE 34
36、.1.3 Size RatingMotors covered by this technical report shall be rated in horsepower (HP) or kilowatt (kw) on a continuous-duty basis.4.1.4 Synchronous Speed RatingThe synchronous speed rating at 60 Hz is 1200 RPM or as specified on the attached Motor Data Sheet (see Annex A). This technical report
37、also permits the motor synchronous speed of 900 RPM or 1000 RPM.4.1.5 Voltage, Frequency and Phase RatingsVoltage ratings shall be 460/796 or 460 Volts AC, 60 Hertz, 3 Phase or 380V, 50 Hertz, 3 Phase. The 50 Hz synchronous speed is 1000 RPM.4.1.6 Motor EnclosuresMotor enclosures shall be open drip
38、proof (ODP) or totally enclosed fan cooled (TEFC) suitable for unclassified areas. As a minimum, enclosures shall meet ODPguarded specifications in accordance with NEMA MG 1or TEFC specification in accordance with NEMA MG 1.4.1.7 NEMA Motor Designs and Starting CharacteristicsMotors shall be NEMA De
39、sign D as specified by NEMA MG 1 with a slip of 5 % to 8 % or ultra-high slip design. Motors shall be capable of accelerating load under conditions as specified in NEMA MG 1.4.1.8 Frame AssignmentsMotors furnished in accordance with this technical report, shall as a minimum comply with the frame siz
40、e assignments as per NEMA MG 131984 for T-frame motors or according to NEMA MG 131956 for U-frame motors.4.1.9 Motor Frame MaterialFor cast iron or other materials used, the motor manufacturer shall identify the material used for motor frames, and shields, and other structural parts; corrosion resis
41、tant treatment; test for corrosion resistance.4.1.10 Insulation System (Service Factor, and Temperature Rise)The thermal rating of the insulation system shall be a minimum of Class F as defined in NEMA MG 1. When operated at rated voltage, frequency and load, the temperature rise shall not exceed 80
42、 C by resistance for Class F insulation, 90 C by resistance for Class F encapsulated, or 125 C by resistance for Class H insulation in accordance with IEEE 112. Standard motors shall have a 1.15 Service Factor. Ultra-high slip motors shall have a 1.0 Service Factor without exceeding the allowable te
43、mperature rise of the insulation system as determined in accordance with IEEE 112.4.1.11 MountingThe power terminal box shall be located on the right side of the enclosure facing the shaft end of the motor in accordance with NEMA Type F-2 construction.4.1.12 Motor LeadsThe preferred number of motor
44、leads should be six. As an option for voltage and torque variation, the user may specify 3, 9, or 12 leads.4 API TECHNICAL REPORT 11L64.1.13 Bearing LifeBearings shall be selected to provide L-10 rating life of 26,280 hours minimum (3 years continuous) per ABMA-9 or ABMA-11 as applicable. Calculatio
45、ns shall be based on external loads calculated for NEMA bolted application limits in accordance with NEMA MG 1 and internal loads defined by the manufacturer. Regressable bearings shall be provided on frame sizes above 286T.4.2 Other Electrical Design Considerations4.2.1 Power Supply Variations4.2.1
46、.1 Motors shall operate on a continuous basis at rated load with variation in the voltage or the frequency not exceeding the following conditions:a) 10 % of rated voltage, with rated frequency;b) 5 % of rated frequency, with rated voltage; andc) combination of voltage and frequency variation of 10 %
47、 (sum of absolute values) of the rated values, provided that the frequency variation does not exceed 5 % of rated frequency.4.2.1.2 Motors shall operate on a continuous basis at rated load and frequency when the voltage unbalance at the motor terminals is less than or equal to 1 % as calculated acco
48、rding to NEMA MG 1.4.2.1.3 When elevation or ambient temperatures other than specified in 4.1.2 are noted on the data sheet, the motor shall be derated in accordance with NEMA MG 1.4.2.2 All motors shall have nonhygroscopic insulation systems including loads and connections. Internal winding encapsu
49、lation may be specified. Coil ends shall be braced to prevent insulation cracking and fatigue from movement due to starting, operating under cyclic load conditions, and vibrations inherent to a beam pumping system.4.2.3 The motor insulation system shall be protected against the severe conditions listed in 4.1.2. As minimum the insulation system must pass the salt spray test as specified in ASTM B117.4.2.4 The motor leads in the motor terminal box shall be constructed of copper motor lead wire and be permanently identified.4.3 Other Mechanical Design Consideration
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