Osram HQI-E 150 W/NDL CL Technical Information Page 15
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Rated. / 5. Based on customer reviews
1
5
supp
ly
an
d
, a
b
ove a
ll
, a c
l
ear
ly
re
d
uce
d
ten
d
enc
y
to
g
o out
b
y avo
idi
n
g
re-
ig
n
i
t
i
on pea
k
s a
ll
l
en
g
t
h
en t
h
e
lamp economic li
f
e
f
or ceramic arc tube lamps b
y
up
to 30
%
on avera
g
e
.
The electronic ballast also shows its strengths at the
end o
f
the lamp service li
f
e. The i
g
nition time limit
ensures t
h
at o
ld
l
amps, w
h
ere sta
bl
e operat
i
on
i
s no
l
on
g
er poss
ibl
e, are not su
bj
ect to en
dl
ess
ig
n
i
t
i
on
attempts. A
f
ter max. 18 minutes and precisel
y
de
f
ined
i
g
nition intervals, the P
O
WERTR
O
NI
C
®
E
CG
cuts out
automatically. I
f
a lamp goes out 3 times, the electronic
ballast also cuts out. This avoids inter
f
erin
g
,
f
lickerin
g
li
g
ht, prevents EM
C
load on the cables and also an
e
x
cess
iv
e
l
oad
o
n th
e
e
l
ec
tr
o
ni
c
ba
ll
as
t it
se
l
f.
Permanent monitorin
g
o
f
parameters such as lamp
vo
l
ta
g
e or
l
amp current
b
y t
h
e
i
nte
g
rate
d
m
i
cro-con
-
troller and ali
g
nment with pre-de
f
ined nominal values
also makes it possible to turn lamps o
ff
well be
f
ore
the
y
reach critical or unde
f
ined conditions which o
f
ten
can
h
ar
dl
y
b
e mana
g
e
d.
3.2.3.3
Ligh
t qua
li
t
y
,
ligh
t co
l
our,
d
rop
i
n
ligh
t output,
s
tart-u
p
HID lamps with electronic ballasts o
ff
er considerabl
y
improved colour qualit
y
, both when initiall
y
installed
and throu
g
hout the service li
f
e
.
Th
e constant watta
g
e supp
li
e
d
to t
h
e
l
amp
b
y t
h
e
electronic ballast can com
p
ensate
f
or di
ff
erences in
light quality resulting
f
or example
f
rom production tol-
erances or di
ff
erin
g
a
g
in
g
states. The result is visibly
more even li
g
ht colour and a more uni
f
orm chromatic
-
i
t
y
coor
di
nate
.
S
imilarly, supply volta
g
e fluctuations or the len
g
th of
the power leads are no longer relevant when using an
e
l
ectron
i
c
b
a
ll
ast, as t
h
e constant watta
g
e supp
l
y to
the lamp means these have no e
ff
ect
.
L
am
p
e
l
ectro
d
es coo
l
d
own to a
l
esser extent w
i
t
h
the rectan
g
ular electronic ballast thanks to the steep
e
l
ectr
i
ca
l
trans
i
t
i
ons t
h
rou
gh
t
h
e zero cross
i
n
g
.
L
ess
coolin
g
down results in reduced sputter e
ff
ects o
f
the
e
l
ectro
d
es, w
hi
c
h
i
n turn means
l
ess
b
u
lb
bl
ac
k
en
i
n
g
.
Th
e more constant, an
d
on avera
g
e s
ligh
t
l
y
high
er,
lam
p
p
lasma tem
p
erature also
p
roduces 3
%
to 5
%
more luminous e
ff
icac
y
, which also has a positive in
f
lu
-
e
n
ce
in l
u
min
ous
f
l
u
x
be
h
a
vi
o
r in
add
iti
o
n t
o
r
educed
blackenin
g
e
ff
ects
.
Electronic ballasts also have a much
f
aster start-u
p
behavior than ma
g
netic ballasts. Fi
g
. 24 in chapter
4.7
f
or example clearl
y
shows that a double-ended
quartz
l
amp operat
i
n
g
w
i
t
h
an e
l
ectron
i
c
b
a
ll
ast a
l-
read
y
produces more than 90
%
o
f
its max. luminous
f
lux a
f
ter a
pp
rox. 40 seconds. The same luminous
f
lux
l
e
v
e
l with
a
co
nv
e
nti
o
n
a
l
ba
ll
as
t t
a
k
es
a
t l
eas
t 2
5
t
o
30
seconds lon
g
er. This at least 50
%
f
aster start-up at
t
h
e e
l
ectron
i
c
b
a
ll
ast
i
s
d
ue to t
h
e
high
er start-up
current o
f
the electronic ballast, producing a higher
watta
g
e input into the lamp which there
f
ore heats up
m
ore qu
i
c
kly.
3.2.3.4
S
ize, wei
g
ht and handlin
g
El
ectron
i
c
b
a
ll
asts com
bi
ne
ig
n
i
t
i
on component, com-
pensat
i
on component an
d
c
h
o
k
e
i
n one un
i
t.
Thi
s
3-
i
n-1 com
bi
nat
i
on c
l
ear
ly
re
d
uces t
h
e
i
nsta
ll
at
i
on
workload
,
the risk o
f
installation errors and the need
to replace individual
f
ault
y
units. Multi-lamp electronic
ballasts
(
e.g. 2x35 W or 2x70 W
)
duplicate these ad
-
vanta
g
es
b
ecause to connect to 2
l
um
i
nares, on
l
y one
power
l
ea
d
i
s requ
i
re
d.
El
ectron
i
c
b
a
ll
asts are a
l
so
ligh
twe
igh
t.
Th
ey we
igh
50
%
to 60
%
less than ma
g
netic ballasts, which o
f
course o
ff
ers direct advanta
g
es in terms o
f
luminaire
d
es
ig
n: t
h
ey can
b
e s
l
ee
k
er
i
n structure; a w
id
er ran
g
e
o
f
materials can be used, and a li
g
hter load can be
placed on the
f
astenin
g
components
.
3
.2.
3
.
5
Bi
d
ir
ec
ti
o
n
a
l
da
t
a
tr
a
n
sfe
r
Intelli
g
ent electronic units will in the
f
uture o
ff
er com-
pletely new possibilities o
f
controllin
g
and monitorin
g
li
g
htin
g
systems, thanks to bidirectional data trans
f
er.
Features such as queryin
g
the lamp or ballast status,
inte
g
ration in Buildin
g
Mana
g
ement
S
ystems
(
BM
S)
and central or local actuation and mana
g
ement o
f
ligh
t
i
n
g
so
l
ut
i
ons w
ill
not on
l
y
b
r
i
n
g
a c
l
ear
l
y expan
d
e
d
ran
g
e o
f
f
unctions but also optimize maintenance and
re
p
air work. In the medium term, it is
q
uite conceivable
to see
d
eve
l
o
p
ments
h
ere s
i
m
il
ar to t
h
ose
i
n
l
ow-
p
res-
sure
di
sc
h
ar
g
e tec
h
no
l
o
g
y
.
3.3 Influence of harmonic waves and corresponding
fil
t
e
r
s
T
he development o
f
modern semiconductor technolo
g
y
with a si
g
ni
f
icant increase in the number o
f
consum
-
e
r
s
with
so
li
d
s
t
a
t
e
s
wit
c
h
es
a
n
d
co
nv
e
rt
e
r
co
ntr
o
ll
e
r
s
u
n
f
ortunatel
y
results in undesirable side-e
ff
ects on the
AC
volta
g
e supply by causin
g
considerable inductive
watt
l
ess power an
d
non-s
i
nuso
id
a
l
current.
A
t
y
pical converter current consists of various super-
im
p
osed sinusoidal
p
artial currents, i.e. a
f
irst
h
armonic with the suppl
y
f
requenc
y
, and a number o
f
•
Elec
tr
o
n
ic
ballas
t
s
a
r
e
s
t
a
t
e
of
t
he
a
rt.
•
Elec
tr
o
n
ic
ballas
t
s
ca
n
be
used
t
o
achie
v
e
sig
n
ifi
cant
i
ncreases
i
n qua
li
t
y
, re
li
a
bili
t
y
an
d
s
a
f
et
y
o
f
ligh
t
i
n
g
s
y
stems w
i
t
h
meta
l
h
a
lid
e
l
am
p
s.
•
M
ost new
MH
ligh
t
i
n
g
i
nsta
ll
at
i
ons to
d
a
y
are
al
rea
dy
equ
i
ppe
d
w
i
t
h
e
l
ectron
i
c
b
a
ll
asts.
- Outer bulb 5
- Hg = Mercury 5
- Me = Metals 5
- Hal = Halids 5
- Electrodes 5
- Daylight 6
- Neutral White 6
- Neutral White de luxe 6
- Warm White de luxe 6
- Voltage in V 8
- Current in A 8
- Lamp current I 10
- Luminaire 13
- HQI-T 150 W at OSRAM PTU 22
- HQI-T 150 W at CCG 22
- Re-ignition peak 28
- Luminous flux 45
- HQL-Standard 48
- HCI - NDL 48
- Typical lamp with 49
- HQI-T POWERSTAR 49
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