ДСТУ EN 60071-1:2022 Координація ізоляції. Частина 1. Визначення, принципи та правила (EN 60071-1:2006, IDT; IEC 60071-1:2006, IDT)



ДСТУ EN 60071-1:2022
(EN 60071-1:2006, IDT; IEC 60071-1:2006, IDT)

Координація ізоляції. Частина 1. Визначення, принципи та правила

 

 
 
 
     
Не є офіційним виданням.
Офіційне видання розповсюджує національний орган стандартизації
(ДП «УкрНДНЦ» http://uas.gov.ua)

Contents

1 Scope

2 Normative references

3 Terms and definitions

4 Symbols and abbreviations

4.1 General

4.2 Subscripts

4.3 Letter symbols

4.4 Abbreviations

5 Procedure for insulation co-ordination

5.1 General outline of the procedure

5.2 Determination of the representative voltages and overvoltages (L/rp)

5.3 Determination of the co-ordination withstand voltages (Dcw)

5.4 Determination of the required withstand voltage (Drw)

5.5 Selection of the rated insulation level

5.6 List of standard rated short-duration power frequency withstand voltages

5.7 List of standard rated impulse withstand voltages

5.8 Ranges for highest voltage for equipment

5.9 Environmental conditions

5.10 Selection of the standard insulation level

5.11 Background of the standard insulation levels

6 Requirements for standard withstand voltage tests

6.1 General requirements

6.2 Standard short-duration power-frequency withstand voltage tests

6.3 Standard impulse withstand voltage tests

6.4 Alternative test situation

6.5 Phase-to-phase and longitudinal insulation standard withstand voltage tests for equipment in range I

6.6 Phase-to-phase and longitudinal insulation standard withstand voltage tests for equipment in range II

Annex A (normative) Clearances in air to assure a specified impulse withstand voltage installation

Annex В (informative) Values of rated insulation levels for 1kV < Um < 245 kV for highest voltages for equipment Um not standardized by IEC based on current practice in some countries

Annex ZA (normative) Normative references to international publications with their corresponding European publications

Bibliography