IEC 60929:2011/AMD1:2015
(Amendment)Amendment 1 - AC and/or DC-supplied electronic control gear for tubular fluorescent lamps - Performance requirements
Amendment 1 - AC and/or DC-supplied electronic control gear for tubular fluorescent lamps - Performance requirements
Amendement 1 - Appareillages électroniques alimentés en courant alternatif et/ou continu pour lampes tubulaires à fluorescence - Exigences de performances
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IEC 60929 ®
Edition 4.0 2015-10
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
A MENDMENT 1
AM ENDEMENT 1
AC and/or DC-supplied electronic control gear for tubular fluorescent lamps –
Performance requirements
Appareillages électroniques alimentés en courant alternatif et/ou continu pour
lampes tubulaires à fluorescence – Exigences de performances
IEC 60929:2011-05/AMD1:2015-10(en-fr)
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IEC 60929 ®
Edition 4.0 2015-10
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
A MENDMENT 1
AM ENDEMENT 1
AC and/or DC-supplied electronic control gear for tubular fluorescent lamps –
Performance requirements
Appareillages électroniques alimentés en courant alternatif et/ou continu pour
lampes tubulaires à fluorescence – Exigences de performances
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 29.140.30 ISBN 978-2-8322-2925-5
– 2 – IEC 60929:2011/AMD1:2015
© IEC 2015
FOREWORD
This amendment has been prepared by subcommittee 34C: Auxiliaries for lamps, of IEC
technical committee 34: Lamps and related equipment.
The text of this amendment is based on the following documents:
CDV Report on voting
34C/1114/CDV 34C/1157/RVC
Full information on the voting for the approval of this amendment can be found in the report
on voting indicated in the above table.
The committee has decided that the contents of this amendment and the base publication will
remain unchanged until the stability date indicated on the IEC website under
"http://webstore.iec.ch" in the data related to the specific publication. At this date, the
publication will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended
IMPORTANT – The “colour inside” logo on the cover page of this publication indicates
that it contains colours which are considered to be useful for the correct understanding
of its contents. Users should therefore print this publication using a colour printer.
___________
CONTENTS
Replace the titles of 8.3.1 and 8.4 as follows:
8.3.1 Heating of the lamp cathodes
8.4 Limitation of the lamp current
Add the titles of the new Annexes F and G, the new figures and the new tables as follows:
Annex F (informative) Examples of suitable test set-ups for SoS and CV testing
Annex G (informative) Example of a SoS-CV test
Figure 3 – Fundamental test set-up for the SoS-test
Figure 4 – Fundamental test set-up for the CV-test
Figure F.1 – Lamp dummy for double-capped fluorescent lamps
Figure F.2 – Typical test set-ups for electronic control gear operating double-capped
fluorescent lamps
© IEC 2015
Figure F.3 – Typical test set-up for electronic control gear operating one or two single-capped
fluorescent lamps
Figure F.4 – Typical test set-up for electronic control gear for connecting two lamps in series
Figure G.1 – Example of test circuit set-up reflecting the necessary measurements of
Table G.1
Table 2 – Maximum permitted parasitic inductances, capacities and contact resistances of a
test circuit set-up according to Figures 3 and 4
Table 3 – Dimming levels and measured values
Table G.1 – List of necessary tests
1 Scope
Add after NOTE 2 the following NOTE 3:
NOTE 3 Requirements for the digital addressable lighting interface of electronic control gear are given in
IEC 62386.
2 Normative references
Add the following new reference at the end of the list:
IEC TR 62750:2012, Unified fluorescent lamp dimming standard calculations
8.3 Requirements for dimming
Replace the entire subclause with the following new subclause:
8.3 Requirements for dimming
8.3.1 Heating of the lamp cathodes
8.3.1.1 General
Fluorescent lamps operated in dimming mode (to reduce luminous flux by reducing discharge
current) need their cathodes adequately heated by the electronic control gear. It has been
found that measuring the currents through the two lead-in wires to the cathode and calculating
the sum of the squares (SoS) of these two currents as a function of the discharge current can
estimate the cathode heating. Alternatively, it has also been found that it is possible to
estimate cathode heating by measuring the voltage applied across the cathode (CV) while
dimming. The heating requirements are described in IEC TR 62750:2012.
The control gear is tested at lamp discharge currents (dim levels) of I , I and I . The
Dmin D30 D60
measurements are conducted with substitution resistors for the cathodes (R ) and for the
test
discharge, the latter dependent on the dim level (R , having nominal values of R and
L L10Max
R as well as R and R ). The lamp substitution resistor values shall be taken from
L10Min L30 L60
the IEC lamp data sheets. Take care that the substitution resistors are capable of carrying the
current, voltage and power occurring in the circuit.
– 4 – IEC 60929:2011/AMD1:2015
© IEC 2015
All positions that on control gear that would be connected to a lamp shall instead be
connected to substitution resistors. Wherever in this procedure a reference is made to “lamp”,
it is intended to mean a set of substitution resistors that represent a lamp.
The hot spot location may vary on the lamp cathode during operation. This effect is simulated
in the test by connecting the cathode substitution resistors in different circuit configurations.
For this purpose, taps in the middle and at the ends of the cathode substitution resistor
networks are equipped with switches (0 – 50 – 100 method), which allow all possible
combinations of connection to be realized. The fundamental test set-up is shown in Figure 3.
I
0 % tap
½ R
test
50 % tap
½ R
test
100 % tap
I
12 3
DUT
R
L
I
21 4
0 % tap
½ R
test
50 % tap
½ R
test
100 % tap
I
22 6
IEC
Key
DUT control gear device under test
R lamp substitution resistor
L
I measured current
nn
1…6 switch positions
Figure 3 – Fundamental test set-up for the SoS-test
In cases where the discharge current is much smaller than the auxiliary heating current,
i.e. for the upper and lower heating limits at very low discharge current values (= 10 % of the
test current), the cathode lead wire currents are found to be nearly equal.
Thus, for the CV-test, only the centre tap position is required for testing. The CV-test setup
shown in Figure 4 is a simplified version of the SoS-test circuit.
© IEC 2015
½ R
test
½ R
test
DUT
½ R
test
½ R
test
IEC
Key
DUT control gear device under test
R lamp substitution resistor
L
CV and CV measured cathode voltages
1 2
Figure 4 – Fundamental test set-up for the CV-test
8.3.1.2 Basic test conditions
Due to the lamps being operated at high frequency, the test set-up with substitution resistors
should be comparable to the set-up of the real luminaire. Relevant examples are given in
Annex F.
Check the suitability of the lamp and cathode substitution resistor set-up at high frequencies
for the frequency range used by the control gear.
Maintain the maximum contact resistances, parasitic inductances and coupling capacitances
of the cathode circuits in test with the lamp dummy inserted (see Table 2).
Table 2 – Maximum permitted parasitic inductances, capacitances and contact
resistances of a test circuit set-up according to Figures 3 and 4
Parameter Maximum value
L (for each heating circuit)
2 µH
R (contact resistances for each heating circuit)
100 nΩ
C (from heating circuit to heating circuit) 20 pF
C (heating circuit to earth) 150 pF
The values of L, R, C , and C are measured at the lamp wires next to the electronic control
1 2
gear’s lamp terminals. For this purpose, instead of a lamp, the cathode substitution resistors
R are inserted in the test set-up.
test
Output circuits of electronic control gears, designed for multi-lamp operation, are each tested
separately. The output circuits not involved in the test shall be connected to the substitution
CV CV
2 1
– 6 – IEC 60929:2011/AMD1:2015
© IEC 2015
resistors with equal value to the output circuit which is under test. The variations of the
cathode terminal switch take place only with the output circuit under test. For the other
circuit(s), the switch is connected to the middle position (positions 2 and 5 in Figure 3).
Lamp substitution circuits, supplied from multi-lamp electronic control gears (i.e. gears which
operate more than one lamp simultaneously), shall each be wired separately when connected
with the DUT (device under test). This means that each electrode substitution resistor is
equipped with 2 cables, leading to the terminal of the electronic control gear and having
...
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