IEC 62811:2015 specifies performance requirements for electronic controlgear for use on a.c. and\/or d.c. supplies up to 1 000 V and\/or a.c. supplies up to 1 000 V at 50 Hz or 60 Hz, associated with discharge lamps, as specified in IEC 61167, which have information for low frequency square wave operation, where the frequency range of the low frequency is from 70 Hz to 400 Hz.<\/p>\n
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| 6<\/td>\n | English CONTENTS <\/td>\n<\/tr>\n | ||||||
| 9<\/td>\n | FOREWORD <\/td>\n<\/tr>\n | ||||||
| 11<\/td>\n | INTRODUCTION <\/td>\n<\/tr>\n | ||||||
| 12<\/td>\n | 1 Scope 2 Normative references 3 Terms and definitions <\/td>\n<\/tr>\n | ||||||
| 15<\/td>\n | 4 General notes on tests 5 Marking <\/td>\n<\/tr>\n | ||||||
| 16<\/td>\n | 6 General statement 7 Starting conditions 7.1 General 7.2 Breakdown Tables Table 1 \u2013 Controlgear life time information <\/td>\n<\/tr>\n | ||||||
| 17<\/td>\n | 7.3 Take-over 7.4 Run-up 7.4.1 Run-up current 7.4.2 Average peak current ratio (APCR) Table 2 \u2013 Minimum OCV <\/td>\n<\/tr>\n | ||||||
| 18<\/td>\n | 7.4.3 D.C. current 8 Operating conditions 8.1 General 8.2 Power control Figures Figure 1 \u2013 Measurement of APCR during run-up and steady state <\/td>\n<\/tr>\n | ||||||
| 19<\/td>\n | 8.3 Frequency range of low frequency square wave 8.4 D.C. current 8.5 Average lamp potential against earth (for quartz arc bulbs only) 8.6 Average peak current ratio 8.7 Commutation time Figure 2 \u2013 Test set-up for measuring the lamp potential against earth <\/td>\n<\/tr>\n | ||||||
| 20<\/td>\n | 8.8 HF ripple 8.9 Control interfaces 8.10 Operating sustainability Figure 3 \u2013 Commutation time, deviating waveform <\/td>\n<\/tr>\n | ||||||
| 21<\/td>\n | 9 Displacement factor 10 Supply current 11 Endurance 11.1 General 11.2 Temperature cycling at \u221220 C and at +80 C <\/td>\n<\/tr>\n | ||||||
| 22<\/td>\n | Figure 4 \u2013 Example of the cycling described under 11.2; Clause E.2 <\/td>\n<\/tr>\n | ||||||
| 23<\/td>\n | 11.3 Test at tc +10 K Figure 5 \u2013 Low frequency square wave reference circuit <\/td>\n<\/tr>\n | ||||||
| 24<\/td>\n | Annexes Annex A (normative) Tests A.1 General requirements A.1.1 General A.1.2 Ambient temperature A.1.3 Supply voltage and frequency A.1.4 Magnetic effects A.1.5 Mounting and connection of reference lamps A.1.6 Reference lamp stability <\/td>\n<\/tr>\n | ||||||
| 25<\/td>\n | A.1.7 Reference ballast A.1.8 Instrument characteristics <\/td>\n<\/tr>\n | ||||||
| 26<\/td>\n | Annex B (normative) Reference ballasts B.1 Marking B.2 Design characteristics B.2.1 Reference ballast for frequencies of 70 Hz to 400 Hz B.2.2 Protection B.3 Operating characteristics for low frequency square wave B.3.1 General B.3.2 Impedance <\/td>\n<\/tr>\n | ||||||
| 27<\/td>\n | B.3.3 Series inductance and parallel capacitance B.4 Circuit for frequencies of low frequency square wave (see Figure 5) B.4.1 Power supply B.4.2 Instruments B.4.3 Wiring <\/td>\n<\/tr>\n | ||||||
| 28<\/td>\n | Annex C (normative) Conditions for reference lamps <\/td>\n<\/tr>\n | ||||||
| 29<\/td>\n | Annex D (normative) Control interface for controllable controlgear D.1 Overview D.2 Control by d.c. voltage D.2.1 Circuit diagram \u2013 Functional specification for d.c. voltage control (see Figure D.1) D.2.2 Connection diagram Figure D.1 \u2013 Schematic representation of the interface for 1 V to 10\u00a0V <\/td>\n<\/tr>\n | ||||||
| 30<\/td>\n | D.2.3 Electrical specifications Figure D.2 \u2013 Control device for multiple controlgear, for 1 V to 10\u00a0V Figure D.3 \u2013 Control device is a current source <\/td>\n<\/tr>\n | ||||||
| 31<\/td>\n | D.3 Control by pulse width modulation (PWM) D.3.1 Circuit diagram \u2013 Functional specification for PWM control (see Figure D.4) Figure D.4 \u2013 Schematic representation of the interface for PWM dimming Figure D.5 \u2013 Some typically PWM signals <\/td>\n<\/tr>\n | ||||||
| 32<\/td>\n | D.3.2 Connection diagram D.3.3 Electrical specifications D.4 Control by DALI Figure D.6 \u2013 Control device for multiple controlgear, for PWM <\/td>\n<\/tr>\n | ||||||
| 33<\/td>\n | Annex E (normative) Spectral analysis of power ripple: calculation procedure for amplitude spectrum ratio and guidance E.1 General E.2 Mathematical background E.3 Description of the algorithm <\/td>\n<\/tr>\n | ||||||
| 34<\/td>\n | E.4 Measurement procedure E.5 Test signal E.5.1 General Table E.1 \u2013 Settings for the analysis <\/td>\n<\/tr>\n | ||||||
| 35<\/td>\n | E.5.2 Description of the test signal E.5.3 Outcome of the test signal <\/td>\n<\/tr>\n | ||||||
| 36<\/td>\n | Annex F (normative) Open circuit voltage method of measurement for pulse ignition <\/td>\n<\/tr>\n | ||||||
| 37<\/td>\n | Bibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" AC and\/or DC-supplied electronic controlgear for discharge lamps (excluding fluorescent lamps). Performance requirements for low frequency squarewave operation<\/b><\/p>\n |