Smart Street light management and control system for street light Energy management, street light automation, carbon footprint reduction and light pollution reduction.

1. Municipal Street Lighting Energy Efficiency & Energy
Demand Management
with
Intelligent Street Light Monitoring and Control System
From INSTRUMENTS UNIVERSAL

2. Present Scenario of Street Lighting
 Simple Timer controls are installed for almost all circuits but there is no regular
check up to alter regulate the time settings / irrespective of weather sensitivities
to switch ON/OFF lamps leading to extra lighting hours.
 Due to absence of any control systems on the input power supply quality
especially voltage conditions. The voltage levels at light terminals vary in wide
bandwidth, leading to higher power consumption. High voltage levels in the range
between 250- 280 V is not uncommon in the system. This not only increases the
energy consumption but also leads to premature lamp failures and hence higher
O & M (Operational and Maintenance) costs.
 Photo switches do not function properly after some time due to the settling of
dust on the photo cells

3.  Inadequate/poor fault reporting mechanism in the system and hence delayed
repair of the faulty lights and hence human discomfort.
 Non uniform light intensity levels due to several reasons mentioned above and
higher intensity levels during off peak traffic hours, leading to energy wastage
 No control and/or mechanism to check the power theft from the lines meant for
street lighting supply, causing revenue loss to both municipalities and to the
utility.
Present Scenario of Street Lighting
Contd ...

4. Threats and Issues
 Very high Energy Bill for Street lighting
 Yearly steep increase in electricity tariff from electricity boards
 Rapid expansion of City will only increase the energy bill for Street lighting
 Increasingly difficult to monitor and verify the condition and health of street lights
 Drastic increase in Labor costs for maintenance and operation of street lights.
 Long term Energy planning is not available, History data is not maintained

5. Monitor and Manage the Electricity flow
Improve power quality-Controlled Voltage system
Streetlight Energy Saving strategies

6. Intelligent Street Light Controller (Intelligent
Energy Tracking & Control System)
SLC is an intelligent energy
tracking and control
system which can be very
efficiently used for
REMOTE tracking,
monitoring and operation
of street lights in a city.

7. How SLC will work for the Street lights?
Applications of SLC for street lighting
 Longitude/ Latitude based Switching On/Off of Street lights
 Energy tracking and planning
- Precise monitoring of Energy consumed for street lighting.
 Monitoring of Faulty Street lights and ensuring an effective fault repair and
servicing system
 Keeping a close check on Maintenance Contractors

8. Longitude/ Latitude based Switching On/Off
Function and characteristics
 SLC will calculate sunrise and sunset time based on (longitude and latitude) with
reference to RTC and generate precise on/off function time.
This product has below 5 kinds of modes.
 Display Mode: You can see current time, sunrise, sunset times of today, on/off time set.
Mains voltage of each phase Load amps of each phase etc.
 Write Mode: You can input time difference with world standard time, summer time,
offsetting of on/off time and select the needed sunrise, sunset time and make on/off
operated on time.
 Test & Override: You can test the functionality of the equipment in this mode. One can
diagnose the unit from remote location.
 Control Mode: Normal operating mode in which equipment will work according to the
set parameters with powerful protective features.
 Energy Saving Mode: As per set parameters equipment will work in to this mode with
intelligent protective algorithms.

9. Longitude/ Latitude based Switching On/Off
 Feedback signal to the Control station whether Lights have switched ON/OFF
 Status of all Switches is displayed on the Console
 Huge Energy savings to Municipal Corp.
 Life of Lamps and their Accessories will increase
 Less expenditure on Recurring Maintenance charges and Capital investment for
purchasing new Light fixtures and lamps.
 Public Image of Municipality as a cost conscious organization will improve.
 No more complaints from Public on Excess or Less Switching ON of lights.
 Complaints can be immediately verified from the Control Station
 Less Labor expenses /Reduced Contract Charges

10. Yearly SunSet Sunrise Timing
0
200
400
600
800
1000
1200
1400
1 31 61 91 121 151 181 211 241 271 301 331 361
Days
Timing(inminutes)
Ideal Consumption for Street Light
250
270
290
310
330
350
370
390
Month
Hours
Series1 377 340 346 316 311 293 306 320 327 356 361 381
1 2 3 4 5 6 7 8 9 10 11 12
Longitude/ Latitude based Switching On/Off

11. Power Quality Control of Street Lights
Due to absence of any control systems on the input power supply quality especially voltage
conditions. The voltage levels at light terminals vary in wide bandwidth, leading to higher power
consumption. High voltage levels in the range between 250- 280 V is not uncommon in the system.
This not only increases the energy consumption but also leads to premature lamp failures and hence
higher O & M (Operational and Maintenance) costs.
Voltage levels Individual or a bank of Street lights can be controlled to give optimum light Intensity
levels during Low Traffic periods

12. Energy Monitoring and Tracking
 The Energy monitoring and tracking Module of SLC can measure and track the
energy being consumed due to the switching on of Street lights Streetwise/Area
wise or zone wise and also centrally
 The Energy Tracker can also identify in which street, sector, zone etc. street lights
are faulty.
 Deterioration of street lights can be identified and recorded.
 Can easily track, monitor and control the Energy Usage pattern thus resulting in
savings in Energy
 Can Maintain street lights with greater efficiency
 Can monitor the work of Maintenance contractors from your central console
 Can Plan future expansions of Street lighting systems Vis-à-vis energy
requirements.

13. SLC Features & Benefits
 GSM based controlling & monitoring
 Energy savings up to 35% to 38%
 Effective Management of the services
 Complete Automation
 Proper data collection for analysis
 Efficient Service Delivery to the citizens
Protection Features and Benefits:
 Auto calibration facility.
 User settable protective parameters
 Over / Under voltage protection
 Auto reset able Voltage faults
 Over current protection
 Short Circuit protection
 Streetlight also can be operate from
control room. Control room can monitor
following parameters:
• Individual 3 Phase Voltage, Current
• Individual 3 Phase PF, Power, KWH
• Individual 3 Phase KVA, KVAR,etc
• Neutral to earth voltage
• Over voltage / Under Voltage
• Over current / Under Current
• Short circuit fault
• Switch ON Time / Switch OFF time
• Daily / Monthly Energy Consumption
• Daily Reports on Glowing hours,

14. SLC Product Features
 Month wise settable civil twilight – better saving
 Double level Password Protection – confirms authorized usage
 Long Life Real Time Clock (RTC) – Lower maintenance
 Parameter protection > 35 years !!!
 Human- Machine Interaction (HMI) – user friendly operation
 Controller works even single phase 170 V - Power redundancy
 Auto / Manual facility - Faster service
 Outdoor type - Weather proof body
 Powder coated Ms box with seven tank process.
 No harmonics generation while energy saving - Environment friendly
 Protective energy saving mode – balance between service and saving
 Power wiring with fire retardant copper cable – safe & rugged system
 High mast control gears – for complete High mast solution

15. SLC @ Glance
Street Lighting – Key Features
Switching Promote timely switch ON / OFF of street lights
Lighting Discover number of lamps operating.
Ascertain total operating hours of lamps.
Faults Report range of faults like failed (exhausted) lamp, lamp cycling, faulty power factor, mains
failure, under / over voltage, fuse condition and gear faults.
Real Time
Recording
Control On / off times of the lighting through Data Concentrator
Records any manual intervention and ON / OFF switching times
Anticipate lamp failure by burning hours.
Energy Display total energy consumed at predefined user intervals.
Alarm Facilitate alarm to user in case of lamp failure, ballast failure and ignition failure.

16. Advantages
 Energy Saving without compromising as per Standard.
 Wireless monitoring & controlling through cheapest and most reliable GSM Technology
 Remote data logging of power parameters at switching on and off time of street light.
 All operating parameters can be updated through centralized Computer.
 Remote alarming system gives alarms when fault occurs at remote site. Massaging up to ground
level technician.
 For GSM, Licensing & cabling not required. Easily Expandable.
 Remote equipment testing facility.
 Report sorting and printing for analysis.
 Centralized Computer can monitor without any limits of unit. ( CMCS )
 Four mode of Protection for better management. Can be updated remotely.
 Emergency ON / OFF from Control Room
 Total Darkness complain can be attended from control room.

17. Advantages
 Settable Individual lines Staggering facility – Can save 50 % of energy.
 Alternate day line switching off - uniform lamp utilizations.
 Selectable Power down mode lighting - avoids dark spots.
 Protective energy saving mode – balance between service and saving
 No harmonics generation while energy saving - Environment friendly
 Citizen complain can be monitored online

18. Benefits to the Municipal Corp.
 Huge Energy savings annually
 Excellent Central Operation and maintenance of Street Lights
 Centralized monitoring of all street lights
 Less Labor costs
 Less Capital Expenditure on lamps and fittings
 Less Contract Charges and better Contractors’ monitoring
 Improved public image as a cost conscious and efficient public service provider

19. Benefits to General Public
 Improved street lighting
 Less Complaints
 Better light management
 Faster monitoring of complaints from public
 Lesser Pollution

20. Key Points of Project
 The project results in huge energy savings which in turn results in reduction of
Carbon-dioxide emission
 Project can be selected under the CARBON ASSIST program of World Bank by the
Ministry of Environment and Forests as a MODEL Project
 Integrated Energy Management system
 Efficient Energy Tracking and Control
 Long term Energy Planning Possible
 Cost saving, reliable and profitable
 Green House Gas (GHG) reduction
Pay back as under Direct cost
 Return on Investment & Unit cost recovery time
Pay back as under Indirect cost
 Carbon credit
 Man power saving
 Life of lamps & control gears increase due to intelligent streetlight controller
 Minimum damage of street lighting systems due to advance protection
 Maintenance Management

21. Payback and Return on Investment
 Unit cost - Rs 1.6 Lac (aprox)
 Load - 15 KW/24 KVA
 Present Consumption (@ 12 hour/ day)
15kw x 4380 hrs/ year x Rs 5 / unit = Rs 328500/-
 Consumption on installation of SLC
15kw x 4100 hrs/ year x Rs 5 / unit x 33% saving = Rs 206025
Total Saving in INR / Year = Rs 195,960
Return On Investment / Year = 75 %
Unit Cost recovered in approx. = 1.4 years

22. SUMMARY
INTEGRATED ENERGY MANAGEMENT SYSTEM
EFFICIENT ENERGY TRACKING AND CONTROL
LONG TERM ENERGY PLANNING POSSIBLE
COST SAVING, RELIABLE AND PROFITABLE
GHG GAS REDUCTION
END OF PRESENTATION- THANK YOU