development of streets lighting in kaunas city
DESCRIPTION
KTU. Development of streets lighting in Kaunas City. Vaškys, R. Balsys, A. Mikulionis, V. Pakėnas, Kaunas University of Technology Department of Electrical and Lighting Engineering. Brocken luminaires of stairs lighting. KTU. KTU. It was more for trees lighting. KTU. KTU. KTU. KTU. - PowerPoint PPT PresentationTRANSCRIPT
![Page 1: Development of streets lighting in Kaunas City](https://reader035.vdocuments.pub/reader035/viewer/2022062801/56814331550346895dafa438/html5/thumbnails/1.jpg)
Development of streets lighting in Kaunas City
A. Vaškys, R. Balsys, A. Mikulionis, V. Pakėnas,
Kaunas University of TechnologyDepartment of Electrical and Lighting Engineering
KTU
![Page 2: Development of streets lighting in Kaunas City](https://reader035.vdocuments.pub/reader035/viewer/2022062801/56814331550346895dafa438/html5/thumbnails/2.jpg)
Brocken luminaires of stairs lightingKTU
![Page 3: Development of streets lighting in Kaunas City](https://reader035.vdocuments.pub/reader035/viewer/2022062801/56814331550346895dafa438/html5/thumbnails/3.jpg)
Crimes dependents on illuminance
0
20
40
60
80
100
120
0 5 10 15 20 25
Illuminance , lx
Cri
me
s,%
KTU
![Page 4: Development of streets lighting in Kaunas City](https://reader035.vdocuments.pub/reader035/viewer/2022062801/56814331550346895dafa438/html5/thumbnails/4.jpg)
It was more for trees lightingKTU
![Page 5: Development of streets lighting in Kaunas City](https://reader035.vdocuments.pub/reader035/viewer/2022062801/56814331550346895dafa438/html5/thumbnails/5.jpg)
Traffic accidents depends on road luminance
0
20
40
60
80
100
120
0 1 2 3Road luminance, cd/m2
Tra
ffic
ac
cid
en
ts,
%
KTU
![Page 6: Development of streets lighting in Kaunas City](https://reader035.vdocuments.pub/reader035/viewer/2022062801/56814331550346895dafa438/html5/thumbnails/6.jpg)
• Number of traffic accidents in Kaunas during which people have suffered
2 4 6 8 10 12 14 16 18 20 22 240
40
80
120
160
200
Num
be
r of a
cc
ide
nts
Ho urs
1996
1997
1998
1995
KTUKTU
![Page 7: Development of streets lighting in Kaunas City](https://reader035.vdocuments.pub/reader035/viewer/2022062801/56814331550346895dafa438/html5/thumbnails/7.jpg)
Expenditure for street lighting7
24
69
Installation
Maintenance
Energy
KTU
![Page 8: Development of streets lighting in Kaunas City](https://reader035.vdocuments.pub/reader035/viewer/2022062801/56814331550346895dafa438/html5/thumbnails/8.jpg)
Electric energy saving:
• Installing efficient lamps,
• Usage of light dimming systems,
• Using efficient luminaires.
KTU
![Page 9: Development of streets lighting in Kaunas City](https://reader035.vdocuments.pub/reader035/viewer/2022062801/56814331550346895dafa438/html5/thumbnails/9.jpg)
Incandescent Lamp
Light output 15-20 lm/W
Service time about 1000 h
KTU
![Page 10: Development of streets lighting in Kaunas City](https://reader035.vdocuments.pub/reader035/viewer/2022062801/56814331550346895dafa438/html5/thumbnails/10.jpg)
Mercury Lamps
Light output 20-60 lm/W
Service time about 15 000 h
KTU
![Page 11: Development of streets lighting in Kaunas City](https://reader035.vdocuments.pub/reader035/viewer/2022062801/56814331550346895dafa438/html5/thumbnails/11.jpg)
• Metal Halide Lamps
Light output 60 -90 lm/W
•Service time about 10 000 h
KTU
![Page 12: Development of streets lighting in Kaunas City](https://reader035.vdocuments.pub/reader035/viewer/2022062801/56814331550346895dafa438/html5/thumbnails/12.jpg)
• Sodium Lamps
Light output 80 – 130 lm/W
Service time about 24 000 h
KTU
![Page 13: Development of streets lighting in Kaunas City](https://reader035.vdocuments.pub/reader035/viewer/2022062801/56814331550346895dafa438/html5/thumbnails/13.jpg)
KTU
Lamps used in Kaunas streets
0
5000
10000
15000
20000
25000
1994 2001 2004Yaer
Lam
ps
qu
anti
ty
Incandescent
Mercury
Sodium
![Page 14: Development of streets lighting in Kaunas City](https://reader035.vdocuments.pub/reader035/viewer/2022062801/56814331550346895dafa438/html5/thumbnails/14.jpg)
THE RESULTS OF FIRST STREET LIGHTING RENOVATION
No.
Description
Units
Results
Beforerenovation
After renovation
1.
Number of luminaires
p.c.s
16000
16000
2.
Installed power of lamps
kW
4880
1920
3.
Electric energy consumption
kWh 10 075 783
3 970 924
4.
Electric energy saving
kWh
6 104 859
60
KTU
![Page 15: Development of streets lighting in Kaunas City](https://reader035.vdocuments.pub/reader035/viewer/2022062801/56814331550346895dafa438/html5/thumbnails/15.jpg)
Lamp's power average 1994-2004
258 267 270 266283
130
198
266280
233
125 124
153137
200
0
50
100
150
200
250
300
Vilnius Kaunas Klaipėda Šiauliai Marijampolė
Po
wer
, W
.
1994
2001
2004
KTU
![Page 16: Development of streets lighting in Kaunas City](https://reader035.vdocuments.pub/reader035/viewer/2022062801/56814331550346895dafa438/html5/thumbnails/16.jpg)
Lemps power installed
0
2000
4000
6000
8000
Po
wer
, kW
.
199420012004
KTU
![Page 17: Development of streets lighting in Kaunas City](https://reader035.vdocuments.pub/reader035/viewer/2022062801/56814331550346895dafa438/html5/thumbnails/17.jpg)
KTU
Energy cosumption for 1 citizen
0
10
20
30
40
50
Ele
ctri
c en
ergy
, kW
h
1994 27.9 28.1 31.4 42.9 28.7
2001 24 30 40 44 13
2004 26.7 29.8 35.5 46.7 26.9
Vilnius Kaunas Klaipėda Šiauliai Marijampolė
![Page 18: Development of streets lighting in Kaunas City](https://reader035.vdocuments.pub/reader035/viewer/2022062801/56814331550346895dafa438/html5/thumbnails/18.jpg)
Lamps operating time average per year
0
500
1000
1500
2000
2500
3000
3500
4000
4500
Ho
urs
1994 2093 2028 2499 2246 1728
2001 3388 2695 2995 1992 1192
2004 3434 3808 3885 4063 2026
Vilnius Kaunas Klaipėda Šiauliai Marijampolė
KTU
![Page 19: Development of streets lighting in Kaunas City](https://reader035.vdocuments.pub/reader035/viewer/2022062801/56814331550346895dafa438/html5/thumbnails/19.jpg)
Lighting regulation diagram
Hours
M onth
Power %
100
75
100
75
50
O F F
O N
1 2 3 4 5 6 7 8 9 10 11 12
KTU
![Page 20: Development of streets lighting in Kaunas City](https://reader035.vdocuments.pub/reader035/viewer/2022062801/56814331550346895dafa438/html5/thumbnails/20.jpg)
Prospects of Kaunas City lightingKTU
Lighting installations Number
Installed power, kW
Investment (LTL thousand)
Light dimming and control
289 3261 4 700
Parks and squares 16 170 1 800
Architectural units 36 201 3 700
Conflict zones 200 50 1 500
Yards and pedestrian ways
? ? ???
![Page 21: Development of streets lighting in Kaunas City](https://reader035.vdocuments.pub/reader035/viewer/2022062801/56814331550346895dafa438/html5/thumbnails/21.jpg)
![Page 22: Development of streets lighting in Kaunas City](https://reader035.vdocuments.pub/reader035/viewer/2022062801/56814331550346895dafa438/html5/thumbnails/22.jpg)
![Page 23: Development of streets lighting in Kaunas City](https://reader035.vdocuments.pub/reader035/viewer/2022062801/56814331550346895dafa438/html5/thumbnails/23.jpg)
THANK YOU
A. Vaškys, R. Balsys, B. A. Mikulionis, V. Pakėnas,
KTU Department of Electrical and Lighting Engineering
KTU