ДСТУ EN 60921:2022 Балласты для трубчатых люминесцентных ламп. Требования к характеристикам (EN 60921:2004, IDT; IEC 60921:2004, IDT)

ДСТУ EN 60921:2022
(EN 60921:2004, IEC 60921:2004, IDT)

Баласти для трубчастих люмінесцентних ламп.
Вимоги до робочих характеристик

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

Contents

Foreword

Introduction

1 Scope

2 Normative References

3 Terms and definitions

4 General notes on tests

5 Marking

6 Voltage at terminations of lamp or starter (if any)

6.1 For lamps operated with a starter

6.2 For lamps operated without a starter

6.3 For lamps operated without a starter (North American practice)

6.4 Maximum (r.m.s.) voltage across starter terminals with lamp operating

6.5 For lamps with integral means of starting

7 Pre-heating conditions

7.1 For lamps operated with (integral) starter

7.2 For lamps operated without starter

7.3 For lamps operated without starter (North American practice)

8 Lamp power and current

8.1 For lamps operated with (integral) starter

8.2 For lamps operated without starter

9 Circuit power-factor

10 Supply current

11 Maximum current in any lead to a cathode

12 Current waveform

13 Magnetic screening

14 Impedance at audio-frequencies

Annex A (normative) Tests

A.1 General conditions for tests

A.2 Additional requirements for testing reference ballasts

A.3 Selection of reference lamps

A.4 Measurement of open-circuit voltage

A.5 Measurements of pre-heating conditions

A.6 Measurement of lamp power and current

A.7 Measurement of maximum current in any lead to a cathode

A.8 Measurement of current waveform (Figure A.9)

A.9 Measurement of impedance at audio-frequencies

Annex B (informative) Series operation of two fluorescent lamps

Annex C (normative) Reference ballasts

C.1 Marking

C.2 Design characteristics

C.3 Operating characteristics

Annex D (normative) Reference lamps

Bibliography