BS EN IEC 60282-1:2020
$215.11
High-voltage fuses – Current-limiting fuses
| Published By | Publication Date | Number of Pages |
| BSI | 2020 | 86 |
This part of IEC 60282 applies to all types of high-voltage current-limiting fuses designed for use outdoors or indoors on alternating current systems of 50 Hz and 60 Hz and of rated voltages exceeding 1 000 V.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 2 | undefined |
| 5 | Annex ZA(normative)Normative references to international publicationswith their corresponding European publications |
| 7 | English CONTENTS |
| 11 | FOREWORD |
| 13 | 1 Scope 2 Normative references 3 Terms and definitions 3.1 Electrical characteristics |
| 17 | 3.2 Fuses and their component parts |
| 18 | Figures Figure 1 – Terminology |
| 19 | 3.3 Additional terms |
| 21 | 4 Normal and special service conditions 4.1 Normal service conditions |
| 22 | 4.2 Special service conditions 4.2.1 General 4.2.2 Altitude Tables Table 1 – Altitude correction factors – Dielectric withstand Table 2 – Altitude correction factors – Current-carrying capability |
| 23 | 4.3 Environmental behaviour 5 Ratings and characteristics 5.1 General 5.2 Ratings and characteristics that are applicable to all fuses 5.2.1 Rated voltage (Ur) |
| 24 | 5.2.2 Rated current of a fuse-base 5.2.3 Rated current of a fuse-link (Ir) 5.2.4 Rated insulation level (of a fuse-base) Table 3 – Rated voltages |
| 25 | Table 4 – Fuse-base rated insulation levels – Series I Table 5 – Fuse-base rated insulation levels – Series II |
| 26 | 5.2.5 Rated breaking capacity 5.2.6 Rated frequency 5.2.7 Temperature limits |
| 27 | 5.2.8 Limits of switching voltage Table 6 – Limits of temperature and temperature rise for components and materials |
| 28 | Table 7 – Maximum permissible switching voltages Table 8 – Maximum permissible switching voltages for certain fuse-links of small current ratings |
| 29 | 5.2.9 Time-current characteristics Figure 2 – Permissible switching voltages for fuse-links of small current ratings (Table 8) |
| 30 | 5.2.10 Cut-off characteristic 5.2.11 I2t characteristics 5.2.12 Power dissipation 5.3 Ratings and characteristics of particular fuse-link types and applications 5.3.1 Fuse-links for transformer applications |
| 31 | 5.3.2 Fuse-links for motor circuit applications 5.3.3 Fuse-links for capacitor protection 5.3.4 Fuses fitted with indicating devices |
| 32 | Figure 3 – Various stages of the striker travel Table 9 – Striker mechanical characteristics |
| 33 | 5.3.5 Back-Up fuses intended for use in a switch-fuse combination according to IEC 62271�105 5.3.6 Allowable continuous current of a fuse-link (Ia) 5.3.7 Maximum enclosure current (Ifep) |
| 34 | 6 Design, construction and performance 6.1 General requirements with respect to fuse operation 6.1.1 General 6.1.2 Standard conditions of use |
| 35 | 6.1.3 Standard conditions of behaviour 6.2 Identifying markings |
| 36 | 6.3 Dimensions 7 Type tests performed on all fuses 7.1 Conditions for making the tests |
| 37 | 7.2 List of type tests 7.3 Common test practices for all type tests 7.3.1 General 7.3.2 Mounting of fuse-link 7.3.3 Condition of device to be tested 7.3.4 Mounting of fuses 7.4 Dielectric tests 7.4.1 Test practices |
| 38 | 7.4.2 Application of test voltage for impulse and power-frequency test 7.4.3 Atmospheric conditions during test 7.4.4 Lightning impulse voltage dry tests |
| 39 | 7.4.5 Power-frequency voltage dry tests 7.4.6 Power-frequency wet tests 7.5 Temperature-rise tests and power-dissipation measurement 7.5.1 Test practices |
| 40 | 7.5.2 Measurement of temperature Table 10 – Electrical connection to the test circuit – Conductor sizes |
| 41 | 7.5.3 Measurement of power dissipation 7.6 Breaking tests 7.6.1 Test practices |
| 44 | Table 11 – Breaking tests – Parameters |
| 46 | Figure 4 – Representation of a specified TRV by a two-parameter reference line and a delay line |
| 47 | Figure 5 – Example of a two-parameter reference line for a TRV complying with the conditions of the type test |
| 48 | Table 12 – Standard values of rated TRV for I1 – Series I rated voltages Table 13 – Standard values of rated TRV for I1 – Series II rated voltages |
| 49 | Table 14 – TRV for Test Duty 2 – Series I rated voltages |
| 50 | Table 15 – TRV for Test Duty 2 – Series II rated voltages |
| 51 | 7.6.2 Test procedure Figure 6 – Breaking tests – Arrangement of the equipment Figure 7 – Breaking tests – Typical circuit diagram for Test Duties 1 and 2 |
| 52 | Figure 8 – Breaking tests – Typical circuit diagram for Test Duty 3 |
| 53 | 7.6.3 Alternative test methods for Test Duty 3 |
| 54 | Figure 9 – Breaking tests – Interpretation of oscillograms for Test Duty 1 |
| 55 | Figure 10 – Breaking tests – Interpretation of oscillograms for Test Duty 2(calibration traces as in a) of Figure 9) Figure 11 – Breaking tests – Interpretation of oscillograms for Test Duty 3 |
| 56 | 7.6.4 Breaking tests for fuse-links of a homogeneous series |
| 57 | Table 16 – Breaking test requirements for fuse-links of a homogeneous series |
| 58 | 7.6.5 Acceptance of a homogeneous series of Back-Up fuse-links by interpolation 7.6.6 Acceptance of a homogeneous series of fuse-links of different lengths |
| 59 | 7.7 Tests for time-current characteristics 7.7.1 Test practices 7.7.2 Test procedures 7.8 Electromagnetic compatibility (EMC) |
| 60 | 8 Type tests for particular fuse-link types and applications 8.1 General 8.2 List of type tests 8.3 Tests required for a particular type of fuse or application 8.3.1 Indicator tests (for fuses fitted with indicators) |
| 61 | 8.3.2 Striker tests (for fuses fitted with strikers) |
| 63 | 8.3.3 Tests for Back-Up fuses for use in switch-fuse combination of IEC 62271�105 |
| 64 | 8.3.4 Liquid-tightness tests |
| 66 | Figure 12 – Test sequence for switchgear type applications |
| 67 | Figure 13 – Test sequence for transformer type applications |
| 68 | Figure 14 – Test sequence for series a) test for transformer type applications |
| 69 | 8.4 Tests performed at the request of a user 8.4.1 Thermal shock tests for outdoor fuses Figure 15 – Test sequence for series b) test for transformer type applications |
| 70 | 8.4.2 Waterproof test (ingress of moisture) for outdoor fuses 9 Routine tests |
| 71 | Annexes Annex A (normative) Method of drawing the envelope of the prospective and transient recovery voltage of a circuit and determining the representative parameters A.1 Introduction A.2 Drawing the envelope A.3 Determination of parameters |
| 72 | Figure A.1 – Example of a two-parameter reference line for a TRVwhose initial portion is concave towards the left Figure A.2 – Example of a two-parameter reference line for an exponential TRV |
| 73 | Annex B (informative) Reasons which led to the choice of TRV values for Test Duties 1, 2 and 3 |
| 75 | Annex C (informative) Preferred arrangements for temperature-rise tests of liquid-tight fuse-links Figure C.1 – Test tank for temperature-rise tests of liquid-tight fuses Figure C.2 – Details of clamping arrangement for fuse-link in the tank |
| 76 | Annex D (informative) Types and dimensions of current-limiting fuse-links specified in existing national standards |
| 79 | Annex E (normative) Requirements for certain types of fuse-links intended for use at surrounding temperatures above 40 °C E.1 Types of fuse-link covered by this annex E.1.1 General E.1.2 Covered fuse-link types E.1.3 Exempted fuse-links E.1.4 Introduction |
| 80 | E.2 Definitions E.3 Preferred MAT ratings E.4 Specific service conditions E.5 Additional breaking test requirements E.5.1 Test practices |
| 81 | E.5.2 Test procedure E.5.3 Full-Range fuse Test Duty 3 tests |
| 82 | E.6 Full-Range fuse: determination of I3 current |
| 83 | Annex F (informative) Criteria for determining It testing validity F.1 Introduction F.2 Breaking processes |
| 84 | Bibliography |
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BS EN IEC 60282-1:2020
High-voltage fuses – Current-limiting fuses Published By Publication Date Number of Pages BSI 2020 86
