UL 2831-2013 OUTLINE OF INVESTIGATION FOR US NAVAL COMMERCIAL OFF THE SHELF (COTS) THREE-POLE RATED MAXIMUM VOLTAGE 4 76 8 25 AND 15KV AC VACUUM CIRCUIT BREAKERS DRAWOUT TYPE WITHO.pdf

1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULMay 31, 20131UL 2831OUTLINE OF INVESTIGATIONFORUS NAVAL COMMERCIAL OFF THE SHELF (COTS) THREE-POLE, RATEDMAXIMUM VOLTAGE 4.76, 8.25, AND 15KV, AC, VACUUM CIRCUITBREAKERS, DRAWOUT TYPE, WITHOUT IN

2、TERNAL OVERCURRENTPROTECTION, AND ACCESSORIES/COMPONENTS FOR USE ONNON-NUCLEAR NAVAL COMBATANT SHIPSISSUE NO. 1MAY 31, 2013Summary of TopicsThis is the first issue of the Outline of Investigation for US NavalCommercial Off the Shelf (COTS) Three-Pole, Rated Maximum Voltage4.76, 8.25, and 15kV, AC, V

3、acuum Circuit Breakers, Drawout Type, withoutInternal Overcurrent Protection, and Accessories/Components for Useon Non-Nuclear Naval Combatant ShipsCOPYRIGHT 2013 UNDERWRITERS LABORATORIES INC.UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULMA

4、Y 31, 2013UL 28312No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULCONTENTSINTRODUCTION1 Scope .42 Normative References .43 Glossary .5CONSTRUCTION4 General 54.1 General .54.2 Drawout-mounted .7RATINGS5 General 7PERFORMANCE6

5、 Base Design .97 Initial Qualification Testing .97.1 General .97.2 Test program Q1 107.3 Test program Q2 .187.4 Test program Q3 218 Requalification Testing .228.1 General 228.2 Test program RQ1 .238.3 Test program RQ2 .24MARKINGS9 General .25MAY 31, 2013 UL 2831 3UL COPYRIGHTED MATERIAL NOT AUTHORIZ

6、ED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULINTRODUCTION1 Scope1.1 These requirements cover three-pole, rated maximum voltage 4.76kV, 8.25kV, and 15kV, AC,vacuum circuit breakers, drawout-mounted type, without internal overcurrent protection, and applicableaccessories/functi

7、onal components intended for use aboard non-nuclear Naval combatant ships inelectrical assemblies (switchgear) installed on shock isolators (mounts). These requirements cover onlythe removable element (circuit breaker) and require testing in a representative switchgear interface asdetailed in this O

8、utline.1.2 Successful initial qualification testing and requalification testing of circuit breakers/accessories/functional components to the requirements of this Outline shall allow their use inshock-mounted electrical assemblies in non-nuclear Naval combatant ships.2 Normative References2.1 This Ou

9、tline references the following COTS specifications:a) ANSI/NEMA C37.54, Indoor Alternating Current High-Voltage Circuit Breakers Applied asRemovable Elements in Metal-Enclosed Switchgear Conformance Test Proceduresb) IEEE C37.04, IEEE Standard Rating Structure for AC High-Voltage Circuit Breakersc)

10、IEEE C37.06, American National Standard AC High-Voltage Circuit Breakers Rated on aSymmetrical Current Basis Preferred Ratings and Related Required Capabilitiesd) IEEE C37.09, IEEE Standard Test Procedure for AC High-Voltage Circuit Breakers Rated ona Symmetrical Current Basise) IEEE C37.100, Standa

11、rd Definitions for Power Switchgear2.2 This Outline references the following military specifications/documents. Specifications/documents canbe accessed at https:/assist.daps.dla.mil/quicksearch/.a) MIL-E-917, Electric Power Equipment, Basic Requirementsb) MIL-HDBK-454, General Guidelines for Electro

12、nic Equipmentc) MIL-STD-202, Test Method Standard, Electronic and Electrical Component Partsd) MIL-STD-130, Department of Defense Standard Practice, Identification Marking of U.S.Military Propertye) MIL-STD-461, Requirements for the Control of Electromagnetic Interference Characteristicsof Subsystem

13、s and Equipmentf) DI-EMCS-80200, Electromagnetic Interference Test Report (EMITR)g) DI-EMCS-80201, Electromagnetic Interference Test Procedures (EMITP)h) MIL-STD-108, Definitions of and Basic Requirements for Enclosures for Electrical andElectronic EquipmentMAY 31, 2013UL 28314UL COPYRIGHTED MATERIA

14、L NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULi) MIL-STD-1399-300, Interface Standard Section 300, Electric Power, Alternating Current3 Glossary3.1 See IEEE C37.100 for standard definitions for power switchgear.3.2 CRADLE OR CASSETTE See stationary portion of a d

15、rawout-mounted device from IEEEC37.100.3.3 WITHDRAWN POSITION See Disconnected position from IEEE C37.100. In addition, the circuitbreaker is fully extended on the cradle tray/rails or lifting device tray.3.4 ELECTRONIC DEVICES Includes active electrical components such as transistors, diodes andint

16、egrated circuits, and associated passive interconnection technologies as would typically be found ona printed circuit board.CONSTRUCTION4 General4.1 General4.1.1 Circuit breakers shall meet construction requirements specified herein for position indicators,ground connection, mechanical operations co

17、unter, and wiring.4.1.2 A reliable, easily readable mechanical position indicator shall be furnished to indicate the open andclosed positions of the circuit breaker. The word “open” in contrasting letters shall be displayed on a greenbackground and the word “closed”, in contrasting letters, shall be

18、 displayed on a red background. Onspring-charged mechanisms, the mechanism indicator shall display the word “charged,” in black letters ona yellow background and the word “discharged,” in black letters, on a white background.4.1.3 Each circuit breaker shall be provided with facilities for automatica

19、lly making a low resistanceground connection capable of carrying fault currents of the control circuits as the circuit breaker is insertedin the enclosure.4.1.4 Each circuit breaker shall be equipped with a non-resetting operation counter. The counter shouldpreferentially operate only during the ope

20、ning operation of the circuit breaker.4.1.5 Remote control devices mounted on the circuit breaker shall be completely wired and connected tothe secondary disconnecting devices. Wires shall be bundled and secured to the maximum extentpossible to prevent damage from vibration. Each wire more than 8 in

21、ches long and all wires combined ina bundle shall be marked on each end. This identification shall be the same as that shown on the circuitbreaker elementary and wiring drawings.4.1.6 Required accessories shall include auxiliary switches.MAY 31, 2013 UL 2831 5UL COPYRIGHTED MATERIAL NOT AUTHORIZED F

22、OR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL4.1.7 Required functional components shall include the power operated mechanism, shunt trip,mechanical operations counter, cell switch, racking position indicator, stored energy (springs charged)indicator, primary and secondary disconn

23、ects, manual trip, ground connection, and contact position(open/closed) indicator.4.1.8 The following materials and coatings are non-preferred and shall be identified in the qualificationand requalification reports:a) Navy-prohibited materials as defined by MIL-E-917 including estimated maximum weig

24、ht percircuit breaker and per accessory or functional component.b) Insulating materials which contain halogens, e.g. chlorine, fluorine, and bromine, whichevolve gases during combustion including estimated maximum weight per circuit breaker andper accessory or functional component.c) Corrosion-susce

25、ptible materials and coatings that are not in accordance with MIL-E-917requirements.d) Organic materials not inherently fungus resistant or validated to be fungus resistant. Refer toMIL-HDBK-454, Guideline 4.e) Lead free solder.4.1.9 All printed circuit boards shall be conformal coated.4.1.10 Alumin

26、um or aluminum alloy conductors or terminals shall not be used.4.1.11 Minimum design creepage and clearance distances for primary conductors shall be identified inthe qualification and requalification reports. Creepage and clearance distances for low voltagecomponents that are not in accordance with

27、 MIL-E-917, Set C, and enclosed requirements shall be clearlyidentified as maintenance items in the qualification and requalification reports.4.1.12 Circuit breakers shall be provided with construction suitable for overhead lifting using lifting yokesor other means.4.1.13 Test enclosures shall meet

28、the requirements of ANSI/NEMA C37.54.4.1.14 Test lead holes shall have non-conductive plugs installed to ensure personnel safety and toprevent debris from entering the holes.MAY 31, 2013UL 28316UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL4

29、.2 Drawout-mounted4.2.1 Circuit breakers shall be drawout-mounted type to be used with stationary elements and/orswitchgear interfaces.4.2.2 Circuit breaker/cradle configurations shall be provided with connected, test, disconnected, andwithdrawn positions as defined by IEEE C37.100 and/or Section 3

30、of this Outline. The connected, test,and disconnected positions shall be shown on the racking position indicator. If the disconnected andwithdrawn positions are the same for a particular design, the manufacturer shall state this in thequalification and requalification reports.RATINGS5 General5.1 Rat

31、ed maximum voltage shall be greater than or equal to one of the values specified in Table 5.1.Table 5.1Voltage ratings based on rated maximum voltageRating type Rating (minimum)Rated maximum voltage 4.76 kV rms 8.25 kV rms 15 kV rmsNominal operating voltage 4.16 kV 7.2 kV 11 / 13.8 kVPower frequency

32、 withstandvoltage (minimum for oneminute)19 kV 36 kV 36 kVLightning impulse withstandvoltage (BIL) minimum60 kV 95 kV 95 kV5.2 Rated frequency shall be 60 Hz.5.3 Nominal operating voltage, power frequency withstand voltage, and lightning impulse withstandvoltage (BIL) shall be greater than or equal

33、to the values specified in Table 5.1 that correspond to theapplicable rated maximum voltage.5.4 Recommended frame sizes (maximum continuous current ratings) are shown in Table 5.2 of thisspecification.MAY 31, 2013 UL 2831 7UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTIO

34、N WITHOUT PERMISSION FROM ULTable 5.2Recommended frame sizes and associated rated maximum voltage/short-circuit ratingsFrame size (amps) 60 HzRated maximum voltage60 HzShort-circuit current ratingO-0.3s-CO-3m-CO testsequence (rms symmetricalkA)60 HzShort-time current withstandduty rating for 2 secon

35、dduration (rms symmetricalkA)1600 15 kV 37 kA 37 kA4000 4.76 kV 50 kA 50 kA5.5 Short-circuit current rating as defined by IEEE C37.04 shall be stated by the manufacturer in rmssymmetrical amperes. Circuit breakers shall be rated for one short-circuit operating sequence ofO-0.3s-CO-3m-CO at levels gr

36、eater than or equal to the applicable values specified in Table 5.2.Additional ratings associated with short-circuit current rating shall be in accordance with Table 5.3.Table 5.3Additional ratings associated with short-circuit currentRating type Requirement1. Rated voltage range factor K 1.02. Rate

37、d interrupting time Less than or equal to 3.0 cycles3. Rated transient recovery voltage As specified in IEEE C37.04, ANSI C37.06, and IEEE C37.09.4. Rated close/latch current (kA peak) 2.6x rated short circuit current in kA rms5. DC time constant 45 ms5.6 Short-time current withstand duty rating as

38、defined by IEEE C37.04 shall be stated by themanufacturer in rms symmetrical amperes. Short-time current duty ratings shall be greater than or equalto the applicable values specified in Table 5.2.5.7 Rated load current switching capability shall be greater than or equal to rated continuous current r

39、ootmean square (rms) amperes.5.8 All circuit breakers shall have a rated standard operating duty of 10,000 close and open cycles: 2,000electrical cycles at maximum continuous current rating and rated maximum voltage and 8,000 no-loadmechanical cycles.5.9 Recommended nominal operating voltages for ac

40、cessories and applicable functional components are120VAC and 125VDC. Accessories and functional components shall remain functional over their entirerated operating voltage range as stated by the manufacturer.5.10 Frame sizes and associated ratings differing from values in Tables 5.2 and 5.3 shall be

41、 submitted toNaval Sea Systems Command (NAVSEA) Technical Warrant Holder (TWH) and TWH representative priorto the start of testing. NAVSEA TWH or TWH representative shall provide final approval of new circuitbreaker characteristics prior to the start of testing.MAY 31, 2013UL 28318UL COPYRIGHTED MAT

42、ERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULPERFORMANCE6 Base Design6.1 Circuit breakers shall comply with the performance requirements of ANSI/NEMA C37.54 and IEEEC37.09 and in addition shall comply with performance requirements in Sections 7 and 8 of this

43、 Outlineaccording to the ratings shown in Tables 5.1, 5.2, and 5.3.7 Initial Qualification Testing7.1 General7.1.1 Test Programs Q1, Q2, and Q3 shall be conducted as defined by this Outline. Test order for eachprogram shall be as shown in Tables 7.1 7.3. All tests for a particular test program shall

44、 be conductedon one (1) test sample. A new test sample may be used for each test program. One (1) test sample maybe used for multiple test programs at the discretion of the manufacturer.Table 7.1Initial qualification test program Q1Test program Q1(See Section 7.2 for details)1. Lightning impulse wit

45、hstand voltage (BIL)2. Power frequency withstand voltage (full voltage)3. Voltage spike (circuit breakers with electronic devices only)4. Verification of accessories and functional components5. Circuit breaker electrical endurance and selected accessory/functional component temperature rise6. Circui

46、t breaker mechanical endurance7. Power frequency withstand voltage (full voltage)8. Vacuum interrupters integrity9. Conductivity of current path10. Circuit breaker and selected accessory/functional component temperature rise at 50C ambient and 100% maximumcontinuous current rating on main contacts (

47、includes electrical cycling verification)11. Circuit breaker temperature rise at 50C ambient and 150% maximum continuous current rating on main contacts for 5minutes12. Short-time current withstand duty rating13. Short-circuit current rating14. Power frequency withstand voltage (reduced voltage)15.

48、Vacuum interrupters integrity16. Conductivity of current path17. Circuit breaker temperature rise at 50C ambient and 100% maximum continuous current rating on main contactsMAY 31, 2013 UL 2831 9UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULT

49、able 7.2Initial qualification test program Q2Test program Q2(See Section 7.3 for details)1. Electromagnetic interference (circuit breakers with electronic devices only)2. Vibration3. Power frequency withstand voltage (full voltage)4. Verification of accessories and functional components5. Vacuum interrupters integrityTable 7.3Initial qualification test program Q3Test program Q3(See Section 7.4 for details)1. Shock fragility2. Power frequency withstand voltage (full voltage)7.2 Test program Q17.2.1 General7.2.1.1 One (1) circuit breaker sample of maximum continuous c