IEC 60214-1-2014 Tap-changers - Part 1 Performance requirements and test methods《抽头切换开关.第1部分 性能要求和试验方法》.pdf

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1、 IEC 60214-1 Edition 2.0 2014-05 INTERNATIONAL STANDARD Tap-changers Part 1: Performance requirements and test methods IEC 60214-1:2014-05(en) colour inside THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2014 IEC, Geneva, Switzerland All rights reserved. Unless otherwise specified, no part of thi

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10、 wish to give us your feedback on this publication or need further assistance, please contact the Customer Service Centre: csciec.ch. IEC 60214-1 Edition 2.0 2014-05 INTERNATIONAL STANDARD Tap-changers Part 1: Performance requirements and test methods INTERNATIONAL ELECTROTECHNICAL COMMISSION XC ICS

11、 29.180 PRICE CODE ISBN 978-2-8322-1621-7 Registered trademark of the International Electrotechnical Commission Warning! Make sure that you obtained this publication from an authorized distributor. colour inside 2 IEC 60214-1:2014 IEC:2014 CONTENTS FOREWORD . 6 1 Scope 8 2 Normative references 8 3 T

12、erms and definitions 9 4 Service conditions . 15 4.1 Temperature of tap-changer environment 15 4.2 Temperature of motor-drive mechanism environment 16 4.3 Overload conditions 16 5 Requirements for on-load tap-changers . 16 5.1 General requirements . 16 Rating 16 5.1.1Compartments for diverter and se

13、lector switches . 17 5.1.2Liquid-level gauges and gas monitoring devices 17 5.1.3Safety requirements for protection against internal failure 17 5.1.4Limiting devices for the protection against transient overvoltages 18 5.1.5Change-over selector recovery voltages 18 5.1.6Leakage inductance in coarse

14、fine regulation arrangements 18 5.1.7 5.2 Type tests . 18 General . 18 5.2.1Temperature rise of contacts . 19 5.2.2Switching tests 20 5.2.3Short-circuit current test 25 5.2.4Transition impedance test 26 5.2.5Mechanical tests 27 5.2.6Tightness test 29 5.2.7Dielectric tests . 30 5.2.8Type-test certifi

15、cate . 35 5.2.9 5.3 Routine tests 35 General . 35 5.3.1Mechanical test . 35 5.3.2Sequence test . 35 5.3.3Auxiliary circuits insulation test 35 5.3.4Pressure and vacuum tests 35 5.3.5 6 Requirements for motor-drive mechanisms for on-load tap-changers . 35 6.1 General requirements . 35 Compliance of c

16、omponent parts . 35 6.1.1Permissible variation of auxiliary supply 36 6.1.2Step-by-step control 36 6.1.3Tap position indicator 36 6.1.4Tap-change in progress indication . 36 6.1.5Limiting devices . 36 6.1.6Parallel control devices 36 6.1.7Direction of rotation protection . 36 6.1.8Overcurrent blocki

17、ng device 36 6.1.9Restarting device . 37 6.1.10Operation counter 37 6.1.11IEC 60214-1:2014 IEC:2014 3 Manual operation of the motor-drive mechanism 37 6.1.12Motor-drive cubicle 37 6.1.13Protective device against running-through . 37 6.1.14Protection against access to hazardous parts 37 6.1.15 6.2 Ty

18、pe tests . 37 Mechanical load test 37 6.2.1Overrun test 38 6.2.2Degree of protection of motor-drive cubicle 38 6.2.3 6.3 Routine tests 38 Mechanical tests 38 6.3.1Auxiliary circuits insulation test 38 6.3.2 7 Requirements for de-energized tap-changers 38 7.1 General requirements . 38 Rated character

19、istics . 38 7.1.1Types 39 7.1.2Handles and drives 39 7.1.3Glands . 39 7.1.4Interlocks . 39 7.1.5Mechanical end stops 39 7.1.6 7.2 Type tests . 40 General . 40 7.2.1Temperature rise of contacts . 40 7.2.2Short-circuit current test 41 7.2.3Mechanical tests 41 7.2.4Dielectric tests . 42 7.2.5Type test

20、certificate . 47 7.2.6 7.3 Routine tests 47 Mechanical tests 47 7.3.1Pressure and vacuum tests 47 7.3.2 8 Requirements for motor-drive mechanisms for de-energized tap-changers 47 8.1 General requirements . 47 General . 47 8.1.1Compliance of component parts . 47 8.1.2Permissible variation of auxiliar

21、y supply 47 8.1.3Tap position indicator 47 8.1.4Limiting devices . 48 8.1.5Operation counter 48 8.1.6Manual operation of the motor-drive mechanism 48 8.1.7Motor-drive cubicle 48 8.1.8Protection against access to hazardous parts 48 8.1.9 8.2 Type tests . 48 Mechanical load test 48 8.2.1Overrun test 4

22、9 8.2.2Degree of protection of motor-drive cubicle 49 8.2.3 8.3 Routine tests 49 Mechanical tests 49 8.3.1Auxiliary circuits insulation test 49 8.3.2 9 Nameplate . 49 9.1 Tap-changers (on-load and de-energized) . 49 4 IEC 60214-1:2014 IEC:2014 9.2 Motor-drive mechanisms . 50 10 De-energized tap-chan

23、ger warning label 50 11 Manufacturers operating instructions . 51 Annex A (normative) Supplementary information on switching duty on main and transition contacts relating to resistor type tap-changers . 52 Annex B (normative) Supplementary information on switching duty relating to reactor type tap-c

24、hangers . 58 B.1 Additional test parameters 58 B.1.1 Service duty test 58 B.1.2 Breaking capacity test . 58 B.2 Duty of switching contacts 58 Annex C (normative) Method for determining the equivalent temperature of the transition resistor using power pulse current . 69 Annex D (informative) Simulate

25、d a.c. circuits for service duty and breaking capacity tests . 70 D.1 General . 70 D.2 Transformer method 70 D.3 Resistance method . 71 Annex E (informative) Example of a synthetic test circuit for service duty test of vacuum type tap-changers 73 E.1 Definitions with relevance to the synthetic test

26、circuit 73 E.1.1 Synthetic test circuit 73 E.1.2 Simulated a.c. test circuit. 73 E.1.3 Pre-arc 73 E.1.4 Making voltage 73 E.2 Example for the test setup of a synthetic test circuit 73 E.3 Example for the breaking/making condition during a switching operation. 74 Bibliography 76 Figure 1 Short-circui

27、t test current (r.m.s. value) as a multiple of the maximum rated through-current (on-load tap-changer) 25 Figure 2 Time sequence for the application of test voltage (on-load tap-changer) . 34 Figure 3 Short-circuit test current (r.m.s. value) as a multiple of the maximum rated through-current (de-en

28、ergized tap-changer) 41 Figure 4 Time sequence for the application of test voltage (de-energized tap- changer) . 46 Figure 5 Warning label (example) 50 Figure A.1 Examples of current and voltage vectors for resistor type tap-changers 53 Figure B.1 Operating sequence of reactor type tap-changers with

29、 selector switch 59 Figure B.2 Current and voltage vectors for reactor type tap-changers with selector switch . 60 Figure B.3 Operating sequence of reactor type tap-changers with selector switch and equalizer windings . 61 Figure B.4 Current and voltage vectors for reactor type tap-changers with sel

30、ector switch and equalizer windings . 62 Figure B.5 Operating sequence of a reactor type tap-changer with diverter switch and tap selector 64 Figure B.6 Current and voltage vectors for reactor type tap-changers with diverter switch and tap selector . 65 IEC 60214-1:2014 IEC:2014 5 Figure B.7 Operati

31、ng sequence of a reactor type tap-changer with vacuum interrupter and tap selector . 67 Figure B.8 Current and voltage vectors for reactor type tap-changers with vacuum interrupter and tap selector . 68 Figure D.1 Simulated test circuit Transformer method . 70 Figure D.2 Simulated test circuit Resis

32、tance method . 71 Figure E.1 Synthetic test circuit for service duty test of vacuum type tap-changers 73 Figure E.2 Currents of the synthetic test circuit 74 Figure E.3 Example of the synthetic test for a switching operation with equal voltages for breaking and making duty 74 Table 1 Temperature of

33、tap-changer environment 16 Table 2 Contact temperature-rise limits for on-load tap-changers . 19 Table 3 Test voltage levels for on-load tap-changers . 30 Table 4 Contact temperature-rise limits for de-energized tap-changers 40 Table 5 Test voltage levels for de-energized tap-changers . 43 Table A.1

34、 Duty of main and transition contacts for resistor type tap-changers (non- vacuum type) 54 Table A.2 Effect of load power-factor on circuit-breaking duty for resistor type tap- changers (non-vacuum type) . 55 Table A.3 Duty of main and transition contacts for resistor type tap-changers (vacuum type)

35、 (1 of 2) . 56 Table B.1 Duty of switching contacts for reactor type tap-changers with selector switch Switching direction from P1 to P5 59 Table B.2 Duty of switching contacts for reactor type tap-changers with selector switch and equalizer windings Switching direction from P1 to P5 . 61 Table B.3

36、Duty of switching contacts for reactor type tap-changers with diverter switch and tap selector Switching direction from P1 to P7 63 Table B.4 Duty of switching contacts for reactor type tap-changers with vacuum interrupter and tap selector Switching direction from P1 to P11 66 6 IEC 60214-1:2014 IEC

37、:2014 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ TAP-CHANGERS Part 1: Performance requirements and test methods FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national electrotechnical committees (IEC National Committee

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47、blications is indispensable for the correct application of this publication. 9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of patent rights. IEC shall not be held responsible for identifying any or all such patent rights. International

48、Standard IEC 60214-1 has been prepared by IEC technical committee 14: Power transformers. This second edition cancels and replaces the first edition published in 2003. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the

49、 previous edition: incorporation of requirements on vacuum type on-load tap-changers, incorporation of requirements on gas insulated tap-changers, changes in the type tests to fit with the service conditions, reference to the newest edition of IEC 60076-3:2013. IEC 60214-1:2014 IEC:2014 7 The text of this standard is based on the following documents: CDV Report on voting 14/746/CDV 14/767A/RVC Full information on the voting for the approval of thi