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IEEE ISO IEC C37.60 2012

IEEE ISO IEC C37.60 2012

$135.42

High-voltage switchgear and controlgear – Part 111: Automatic circuit reclosers and fault interrupters for alternating current systems up to 38 kV

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IEEE 2012 134
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Revision Standard – Active. This part of IEC 62271 applies to all overhead, pad mounted, dry vault and submersible single or multi-pole alternating current automatic circuit reclosers and fault interrupters for rated maximum voltages above 1 000 V and up to 38 kV.

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PDF Pages PDF Title
1 IEEE Std C37.60-2012 Front Cover
4 CONTENTS
13 FOREWORD
16 1 Overview
1.1 Scope
1.2 Normative references
17 2 Normal and special service conditions
2.101 General
18 2.102 Normal service conditions
2.102.1 Indoor switchgear and controlgear
2.102.2 Outdoor switchgear and controlgear
19 2.103 Special service conditions
2.103.1 General
2.103.2 Altitude
2.103.3 Pollution
20 2.103.4 Temperature and humidity
2.103.5 Vibrations, shock, or tilting
2.103.6 Wind speed
2.103.7 Other special (unusual) service conditions
3 Terms and definitions
21 3.1 General terms
23 3.2 Assemblies of switchgear and controlgear
3.3 Parts of assemblies
3.4 Switching devices
3.5 Parts of switchgear and controlgear
3.6 Operation
Figures
Figure 1 – Unit operation
24 3.7 Characteristic quantities
25 3.8 Index of definitions
4 Ratings
26 4.1 Rated voltage (Ur)
Tables
Table 1 – Ratings for automatic circuit recloser, cutout mountedreclosers and fault interrupters
27 4.2 Rated insulation level
Table 2 – Preferred voltage ratings and related test requirements applied on overhead line distribution circuits a
28 4.3 Rated frequency (fr)
4.4 Rated normal current and temperature rise
4.4.1 Rated normal current (Ir)
Table 3 – Preferred voltage ratings and related test requirements for reclosers/FIs applied on cable connected distribution circuits a
29 4.4.2 Temperature rise
30 Table 4 – Limits of temperature and temperature rise for variousparts and materials of reclosers/Fis (1 of 2)
31 4.4.3 Particular points of Table 4
32 4.5 Rated short-time withstand current (Ik)
33 4.6 Rated peak withstand current (Ip)
4.7 Rated duration of short-circuit (tk)
4.8 Rated supply voltage of closing and opening devices and of auxiliary and control circuits (Ua)
4.9 Rated supply frequency of closing and opening devices and of auxiliary circuits
4.10 Rated pressure of compressed gas supply for controlled pressure systems
4.11 Rated filling levels for insulation and/or operation
4.101 Rated minimum tripping current (I>min)
34 4.102 Rated symmetrical interrupting current (short-circuit breaking current)
4.103 Transient recovery voltage related to rated symmetrical interrupting current
4.103.1 General
4.103.2 Representation of TRV waves
35 4.103.3 Representation of TRV
36 4.103.4 Standard values of TRV related to the rated short-circuit breaking current
4.103.4.1 General
Figure 2 – Representation of the specified TRV as a two-parameter line and a delay line
37 4.103.4.2 First-pole-to-clear factor (kpp)
Table 5 – Listing of tables describing TRV values under different rating conditions
38 4.103.4.3 Rate of rise of recovery voltage (RRRV)
39 Table 6 – Standard values of prospective transient recovery voltage representation by two parameters for three-phase reclosers with rated symmetrical interrupting currents > 4 000 A in overhead line connected circuits
40 Table 7 – Standard values of prospective transient recovery voltage representation by two parameters for single-phase reclosers with symmetrical interrupting currents > 4 000 A in overhead line connected circuit
41 Table 8 – Standard values of prospective transient recovery voltage representation by two parameters for three-phase reclosers with symmetrical interrupting currents > 4 000 A in cable connected systems
42 Table 9 – Standard values of prospective transient recovery voltage representation by two parameters for single-phase reclosers with symmetrical interrupting currents > 4 000 A in cable connected systems
43 Table 10 – Standard values of prospective transient recovery voltage representation by two parameters for three-phase reclosers with symmetrical interrupting currents ≤ 4 000 A in both overhead and cable connected systems and three-phase fault interrupters of all interrupting ratings in cable connected systems
44 Table 11 – Standard values of prospective transient recovery voltage representation by two parameters for single-phase reclosers with symmetrical interrupting currents ≤ 4 000 A in both overhead and cable connected systems and single-phase fault interrupters of all interrupting ratings in cable connected systems
45 4.104 Rated symmetrical making current (short-circuit making current)
46 Table 12 – Performance characteristics – Standard operating duty
47 4.105 Rated operating sequence
4.106 Rated line and cable charging interrupting currents
5 Design and construction
5.1 Requirements for liquids in switchgear and controlgear
5.1.1 Liquid level
Table 13 – Preferred line and cable charging interrupting current ratings
48 5.1.2 Liquid quality
5.1.3 Oil sampling provision (submersible reclosers/FIs)
5.2 Requirements for gases in switchgear and controlgear
5.3 Earthing of switchgear and controlgear
5.4 Auxiliary and control equipment
5.5 Dependent power operation
5.6 Stored energy operation
5.7 Independent manual operation or power operation (independent unlatched operation)
49 5.8 Operation of releases
5.8.1 Shunt closing release
5.8.2 Shunt opening release
5.8.3 Capacitor operation of shunt releases
5.8.4 Under-voltage release
5.9 Low- and high- pressure interlocking devices and monitoring devices
50 5.10 Nameplates
51 5.11 Interlocking devices
Table 14 – Nameplate markings
52 5.12 Position indication
5.13 Degrees of protection provided by enclosures
5.13.1 Protection of persons against access to hazardous parts and protection of the equipment against ingress of solid foreign objects (IP coding)
5.13.2 Protection against ingress of water (IP coding)
5.13.3 Protection of equipment against mechanical impact under normal service conditions (IK coding)
5.13.101 Enclosure design and coating system requirements
5.14 Creepage distances for outdoor insulators
5.15 Gas and vacuum tightness
53 5.15.1 Controlled pressure systems for gas
5.15.2 Closed pressure systems for gas
5.15.3 Sealed pressure systems
5.15.101 Design and withstand
5.15.102 Leak rate
5.16 Liquid tightness
54 5.17 Fire hazard (flammability)
5.18 Electromagnetic compatibility (EMC)
5.19 X-ray emission
5.101 Tank construction: submersible or dry vault reclosers/FIs
5.101.1 Tank material and finish
5.101.2 Water entrapment
5.101.3 Tank support
5.101.4 Lifting lugs
5.102 Counters
5.103 Conductor terminal sizes
55 5.104 Stored mechanism charge indicator
6 Type tests
6.1 General
6.1.1 Grouping of tests
56 6.1.2 Information for identification of specimens
6.1.3 Information to be included in type-test reports
Table 15 – Example of grouping
57 6.1.101 Test conditions
58 6.2 Dielectric tests
6.2.1 Ambient air conditions during tests
6.2.2 Wet test procedure
6.2.3 Conditions of switchgear and controlgear during dielectric tests
59 6.2.4 Criteria to pass the test
6.2.5 Application of the test voltage and test conditions
6.2.6 Tests of switchgear and controlgear of Ur ≤ 245 kV
60 6.2.7 Test of switchgear and controlgear of Ur > 245 kV
6.2.8 Artificial pollution tests for outdoor insulators
6.3 Radio intereference voltage (r.i.v.) test
6.4 Measurement of the resistance of circuits
6.4.1 Main circuit
61 6.4.2 Auxiliary circuits
6.5 Temperature-rise tests
6.5.1 Condition of the switchgear and controlgear to be tested
6.5.2 Arrangement of the equipment
Table 16 – Size of bare copper leads a
62 6.5.3 Measurement of the temperature and the temperature rise
6.5.4 Ambient air temperature
6.5.5 Temperature-rise test of the auxiliary and control equipment
Table 17 – Size of bare aluminum leads a
63 6.5.6 Interpretation of the temperature-rise tests
6.6 Short time withstand current and peak withstand current tests
6.7 Verification of the protection
6.8 Tightness tests
6.8.1 Controlled pressure systems for gas
6.8.2 Closed pressure systems for gas
Table 18 – Permissible temporary leakage rates for gas systems
64 6.8.3 Sealed pressure systems
6.8.4 Liquid tightness tests
6.9 Electromagnetic compatibility tests (EMC)
6.10 Additional tests on auxiliary and control circuits
6.11 X-radiation test procedure for vacuum interrupters
6.101 Line charging current and cable charging current interruption tests
6.101.1 Applicability
65 6.101.2 General
6.101.3 Characteristics of supply circuits
6.101.4 Earthing (grounding) of the supply circuit
66 6.101.5 Characteristics of the capacitive circuit to be switched
6.101.6 Waveform of the current
6.101.7 Test voltage
67 6.101.8 Test current
6.101.9 Test-duties
Table 19 – Switching test duties
68 Figure 3a – Three phase circuit
Figure 3b – Single-phase circuit
Figure 3 – Test circuits for cable-charging or line-charging switching tests (see 6.101.5)
69 6.101.10 Criteria to pass the test
6.102 Making current capability
6.102.1 Test procedure
6.102.2 Criteria for passing making current tests
6.103 Rated symmetrical interrupting current tests
6.103.1 General
70 Figure 4 – Three-phase short-circuit representation
71 6.103.2 Interrupting performance
6.103.3 Verification of rated symmetrical interrupting current
72 6.103.4 Standard operating duty test; automatic operation
73 6.103.5 Operating duty test; non-reclosing fault interrupters
6.103.6 Condition of recloser/FI after operating duty test
6.104 Critical current tests
6.104.1 Applicability
6.104.2 Test current
6.104.3 Critical current test-duty
74 6.105 Minimum tripping current tests
6.105.1 Test circuit
6.105.2 Test procedures
6.106 Partial discharge (corona) tests
6.106.1 Test voltages and limits
6.106.2 Conditioning of test sample
6.106.3 Test equipment and procedure
75 6.106.4 Partial discharge test report
6.107 Surge current test; series-trip reclosers/FIs
6.107.1 General
6.107.2 Test conditions
6.107.3 Test procedure
76 6.107.4 Condition after test
6.108 Time-current tests
6.108.1 Test conditions
6.108.2 Test procedure
6.108.3 Presentation of data standard time-current curves
77 6.109 Mechanical duty test
6.109.1 General
6.109.2 Mechanical duty test
6.109.3 Condition of recloser/FI following mechanical operation test
78 6.110 Ice loading test
6.110.1 General
6.110.2 Applicability
6.110.3 Ice formations
6.110.4 Test program
80 6.110.5 Acceptance criteria
81 6.111 Control electronic elements surge withstand capability (SWC) tests
6.111.1 General
6.111.2 Oscillatory and fast transient surge tests
6.111.3 Simulated surge arrester operation test
Table 20 – Characteristics for electrical disturbance tests
83 6.112 Condition of recloser/FI after each test of 6.101, 6.103 and 6.104
6.112.1 General requirements
Figure 5 – Surge test circuit
84 6.112.2 Specific requirement for vacuum interrupters in SF6 insulated equipment
7 Routine tests
85 7.1 Dielectric test on the main circuit
7.2 Tests on auxiliary and control circuits
7.3 Measurement of the resistance of the main circuit
7.4 Tightness test
7.4.1 Sealed pressure systems
7.4.2 Liquid tightness tests
86 7.101 Reclosing and overcurrent trip calibration
7.102 Partial discharge test
7.103 Mechanical operations tests
8 Guide to the selection of switchgear and controlgear
87 9 Information to be given with enquiries, tenders and orders
10 Transport, storage, installation, operation and maintenance
11 Safety
12 Influence of the product on the environment
101 Additional application and test information
101.1 Field tests on units in-service, including d.c. withstand tests on cables
88 101.2 Internal arc classification
89 Annex A (informative) X/R Ratios
A.1 General
A.2 Time constant Ï„ and X/R ratio
A.3 Asymmetrical fault current
90 Table A.1 – X/R ratios: peak factors and r.m.s. factors
91 Annex B (informative) Simulated surge arrester operation test
B.1 General
B.2 Simulated surge arrester operation testing
93 Figure B.1 – Surge test circuit
94 Figure B.2 – Typical surge voltage and current waves
95 Annex C (normative) Method of drawing the envelope of the prospective transient recovery voltage of a circuit and determining the representative parameters
C.1 General
C.2 Drawing the envelope
C.3 Determination of parameters
96 Figure C.1 – Representation by two parameters of a prospective transient recovery voltage of a test circuit
97 Annex D (informative) Background basis of recloser TRV values
D.1 General
D.2 Two parameter TRV
98 Figure D.1 – A TRV waveform as a 1-cosine function of time
Figure D.2 – Representation of the specified TRV as a two-parameter line and a delay line
99 D.3 uc (TRV peak)
Figure D.3 – Representation of the specified TRV as a two-parameter line and a delay line compared to a 1-cosine TRV waveform
100 D.4 Rate of rise of recovery voltage (RRRV)
D.5 t3 (time to reach uc at the specified RRRV)
D.6 Multipliers for TRV values at currents less than the rated short-circuit current
Table D.1 – TRV peak multiplier
101 Table D.2 – TRV multipliers for line-connected reclosers/FI
Table D.3 – TRV multipliers for cable-connected reclosers/FI
102 Annex E (normative) Tolerances for test values
E.1 General
E.2 Type test tolerances
103 Table E.1 – Tolerances on test quantities for type tests
105 Annex F (informative) Definition for the automatic circuit recloser
F.1 Definition of a recloser
F.2 Background
F.3 Recloser classifications
106 F.4 Recloser operating characteristics
107 Annex G (informative) Definition for the fault interrupter
G.1 Definition of a fault interrupter
G.2 Background
G.3 Fault interrupter application
108 Annex H (informative) Basis of derivation of duty factors and standard operating duties
H.1 General
H.2 Standard operating duty
Table H.1 – Apportionment of operating duty
109 Table H.2 – Example of apportionment of operating duty factor
Table H.3 – Example – Operating duty per interruption
Table H.4 – Example – Unit operations at test current levels
Table H.5 – Example – Duty Factor
110 Figure H.1 – Recloser duty factors
111 Annex I (normative) Ratings for oil interrupting reclosers and hydraulically controlled reclosers
I.1 General
I.2 Rating structure for hydraulically controlled series-trip and oil interrupting reclosers
I.2.1 General
I.2.2 Rated maximum voltage
I.2.3 Rated continuous (normal) current (Ir)
112 I.2.4 Rated minimum tripping current for hydraulically controlled series-trip reclosers
I.2.5 Rated symmetrical interrupting current for hydraulically controlled series-trip reclosers and oil interrupting reclosers
I.2.6 Rated symmetrical making current
I.2.7 Rated operating sequence
Table I.1 – Preferred continuous (normal) current ratings for hydraulically controlled series-trip and oil interrupting reclosers
113 I.3 Special test considerations for hydraulically controlled series-trip reclosers – Measurement of resistance of main circuit
114 Table I.2 – Preferred values for symmetrical interrupting current ratings of hydraulically controlled series-trip reclosers
115 Table I.3 – Preferred values for symmetrical rated interrupting current, and performance characteristics of single-phase oil interrupting reclosers
116 Table I.4 – Preferred values for rated symmetrical interrupting current, and performance characteristics of three-phase oil interrupting reclosers
117 Annex J (normative) Standard methods for determining the values of a sinusoidal current wave and a power-frequency recovery voltage
J.1 General
J.2 Currents
J.2.1 Significance of r.m.s. values used in the standards on a.c. high-voltage reclosers/FIs
J.2.2 Classification of current wave
J.2.3 R.m.s. value of a symmetrical sinusoidal wave at a particular instant
118 J.2.4 R.m.s. value of an asymmetrical sinusoidal wave at a particular instant
Figure J.1 – Measurement of the r.m.s. value of a symmetrical wave
119 J.2.5 Alternate methods of stating the making current
Figure J.2 – Measurement of the r.m.s. value of an asymmetrical wave
120 J.2.6 Measurement of the r.m.s. value of a current during a short circuit of several cycles duration
Table J.1 – Asymmetrical currents tabulated values
121 Figure J.3 – Determination of the equivalent r.m.s. value of a short-time current
122 J.3 Power-frequency recovery voltage
Figure J.4 – Determination of the power-frequency pole unit recovery voltage
123 Annex K (normative) Altitude correction factors
K.1 General
K.2 Altitude correction factors
Figure K.1 – Altitude correction factors
125 Annex L (informative) Comparison of definitions related to the unit operation
L.1 General
L.2 Broader reclose operation
126 Table L.1 – Comparison of terms
127 Figure L.1 – Illustration of auto-reclose operation
128 Annex M (informative) Corrosion protection
M.1 General
M.2 Reference documents
M.3 Other considerations
129 Bibliography

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IEEE ISO IEC C37.60 2012
$135.42