1、Metal-Clad SwitchgearSpecification-5 kV to 15 kVRefining DepartmentAPI STANDARD 544FIRST EDITION,SEPTEMBER 1980OFFICIAL PUBLICATIONREG.U.5.PATENT OFFICEAPl specifications(standards)are published as an aid to procurement of standardizedequipment and materials.These specifications are not intended to
2、inhibit purchasers andproducers from purchasing or producing products made to specifications other than APl.Nothing contained in any API specification is to be construed as granting any right,byimplication or otherwise,for the manufacture,sale,or use in connection with any method,apparatus,or produc
3、t covered by letters patent,nor as insuring anyone against liability forinfringement of letters patent.API specifications may be used by anyone desiring to do so,and every effort has beenmade by the Institute to assure the accuracy and reliability of the data contained in them.However,the Institute
4、makes no representation,warranty,or guarantee in connection withthe publication of API specifications and hereby expressly disclaims any liability orresponsibility for loss or damage resulting from their use;for any violation of any federal,state,or municipal regulation with which an API specificati
5、on may conflict;or for theinfringement of any patent resulting from the use of an API specification.Copyright1980 American Peroleum InstiruteCONTENTSPAGESECTION 1-GENERAL。，。”4“”11.1Scope11.2Referenced Publications.1.3 Application.11.4Service Conditions.,.,.,.,.,+11.5Operating Experience,:,11.6Guaran
6、tee,4。,。,+tt11.7Drawings and Data2SECTION 2-CONSTRUCTION22.I General.22.2 Mechanical Design Features.32.2.1 Indoor Installations.32.2.2 Outdoor Installations.32.3 Electrical Design Features.SECTION 3-PROTECTION4SECTION 4-METERING.5SECTION 5-SAFETY FEATURESSECTION6-CONTROL.6.1C0 ntrol Power56.2Batter
7、ies and Battery Chargers.:.6SECTION 7-ACCESSORIES.6SECTION 8-OPTIONS6SECTION 9-PERFORMANCE AND TESTS.个9.1 Performance.9.2Enclosure Tests,4,.:,*7SECTION 10-SHIPPING.APPENDIX A-METAL-CLAD SWITCHGEAR DATA SHEETTO BE SUPPLIED BY PURCHASER.9APPENDIX B-METAL-CLAD SWITCHGEAR DATA SHEETTO BE SUPPLIED BY MAN
8、UFACTURER.13APPENDIX C-CHECKLIST.15Metal-Clad Switchgear Specification5 kV to 15 kVSECTION 1-GENERAL1.1 Scope1.3 ApplicationThis specification,together with applicable data sheetsThe purchaser shall supply the following information:and job specifications,covers the materials,design,fabri-1.One-line
9、diagram showing electrical arrangement andcation.and testing of metal-clad switchgear assemblies withnumber and service of circuit breakers.associated control,metering,protective.and regulating2.Completed data sheets(Appendix A)specifying electri-devices for petroleum and chemical industry service.T
10、hiscal ratings;relay.instrument,and control requirements;busspecification covers metal-clad switchgear rated 5 kilovoltsduct and/or cable connections:type of enclosure:andto 15 kilovolts(kV).special conditions.Should conflicts exist,the job specifications will govern.3.Arrangement drawing,if appropr
11、iate.No正：A bullet()indicates that a decision may be required which mayheat shen(Appendeand).fer o.1.4 Service Conditions1.4.1 Metal-clad switchgear designated as suitable for.1.2 Referenced Publicationsindoor operation shall be furnished with enclosures de.1.2.1 Applicable sections of the latest edi
12、tions of thesigned for both continuous operation and long periods offollowing standards and codes are part of this specificationinactivity in atmospheres that may be made corrosive byunless amended herein or by the data sheets:traces of chemicals that could be present in a petroleum orANSI/IEEEchemi
13、cal processing plant and by environmental conditionsC37.010Application Guide for AC High-Voltageexisting at the plant site,such as high humidity,insects,andCircuit Breakers Rated on a Symmetricalrodents.The purchaser shall specify the chemicals involvedCurrent Basisand the environmental conditions t
14、hat prevail.ANSI1.4.2 Enclosures designated as suitable for outdoor oper-C37.04Rating Structure for AC High-Voltage Cir-ation shall not require additional protective shelters orcuit Breakers Rated on a Symmetrical Cur-coatings and shall afford adequate protection against rain,rent Basissnow,dust,and
15、 salt-laden air in addition to the require-C37.06Ratings and Related Required Capabilitiesments for indoor operation in 1.4.1.The purchaser shallfor AC High-Voltage Circuit Breakersspecify the enclosure type required(that is,indoor venti-Rated on a Symmetrical Current Basistated,minimum outdoor vent
16、ilated.protected aisle outdoorventilated,or common aisle outdoor ventilated)for theC37.12AC High-Voltage Circuit Breakers Ratedenvironmental conditions anticipated.on a Symmetrical Current Basis and aTotal Current BasisC37.201.5 Operating ExperienceSwitchgear Assemblies,Including Metal-Enclosed BusW
17、hen a new design or material that has not been provenNEMAin service for at least 2 years is offered,proposals shallSG5Powered Switchgear Assembliesindicate which parts of the metal-clad switchgear equipmentare affected,such as new insulating materials,contact1.2.2 The applicability of any federal,st
18、ate,or localdesign change,and so forth,and the extent of fieldcodes,regulations,ordinances,or rules shall be mutuallyexperience with such parts.agreed upon by the purchaser and the vendor and listed inAppendix A.1.6GuaranteeThe metal-clad switchgear shall be guaranteed by theAmerican National Standa
19、rds Institute/Instiaute of Electrical and Elec.tronic Engineers,1430 Broadway,New York.New York t0018.vendor against defective material.poor workmanship.de.National Electrical Manufacturers Association,2101 L Steet,N.W.sign deficiencies.and failure from normal usage for aWashington.D.C.20037.minimum of 1 year after being placed in the specified
