Basic-lighting-control-Thuan.pdfsssfsdfsdf

Bài giảng cơ bản về chiếu sáng của Philips

1. Philips Lighting Certification
Basic lighting control
Philips Lighting Vietnam
Le Quoc Thuan

2. Le Quoc Thuan –Philips Lighting Vietnam V1 -2015
Contents
•Introduction to Lighting control
•Key value drivers, benefits,
•Energy saving strategies
•Types of lighting controls and control components
•Lighting control system architectures
•Lighitngcontrol fundamentals: how control works?

3. Le Quoc Thuan –Philips Lighting Vietnam V1 -2015
What is lighting control?
Lighting control is a system that controls the electric lighting of
a location be it offices, buildings, hotels, façade, monuments,
roads, highways or any other place.

4. Le Quoc Thuan –Philips Lighting Vietnam V1 -2015
General value drivers
Why do people buy lighting controls

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General value drivers

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General value drivers

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General value drivers

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General value drivers

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General value drivers

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Key benefits of lighting controls

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Key benefits of lighting controls
Energy Saving

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Key benefits of lighting controls
Comfort

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Key benefits of lighting controls
Flexibility

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Energy Saving Strategies

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Energy Saving Strategies
Daylight harvesting
Daylight harvesting systems use daylight to offset the amount of electric lighting
needed to properly light a space, in order to reduce energy consumption
savings of up to 70%
on individual
luminaires and 35%
for a building
Reference reports:
http://gsa.gov/portal/mediaId/193599/fileName/Integrated_Daylighting_Findings-508.action
http://www.lrc.rpi.edu/programs/daylighting/pdf/simplifiedConcepts.pdf
http://www.cs.virginia.edu/~whitehouse/research/buildingEnergy/lu-buildsys10.pdf
http://lightingcontrols.com/design/casestudies/pdf/HTH_study.pdf

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Energy Saving Strategies
Occupancy control
Occupancy sensors automatically turn off lighting in unoccupied spaces such as
classrooms, conference rooms, public spaces, corridor, warehouse…
Reference:http://wastereductionpartners.org
savings of up to 90%
depending on spaces
and operational
condition

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Energy Saving Strategies
Smart Scheduling
Smart Scheduling is time-based control of lights and fixtures.
The aim is to only turn them on when they are expected to be used.
Saving around 15%
and moreif
implemented effectively

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Energy Saving Strategies
Load Scheduling
This management strategy is an option for lower rates by scheduling consumption
for lights and others where time of day is neither important nor critical.

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Types of control system
•Control groups of light point from one sensor or controller
•Easy to install, no commissioning
•Great, immediate energy saving
•Can not be integrated to network or system
L1 -Local
Plug and
play
(Stand alone)
•Basic management of groups of light points
•Comfort enhancement
•Limited integration of lighting system and blinds in the BMS
•Total installation of the system
L2 –Networked
Plug and
configure
(group control)
•Fully cooperate with different building functions
•Integrate with other 3
rd
party systems
•Customizable user panels with various finishes and configuration
•Create any kind of ambience desired
L3 –Connected
Plug and
program
(network
control)

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Basic components of a control system
Input
device
CommunicationControllerCommunication
Controlled
device
Collects
information
from the
controlled
environment
and provides
the data to
the system.
Compares the
measured
data with the
reference
data to
determines
the change of
the controlled
envirionment.
Influences the
controlled
environment
based on the
instructions
from the
controller.

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Basic components of a control system
Collects information from the controlled environment and provides the data to the system.
Input device
Input devices react to signals from one or more of the following:
•Human inputs: Switches. Buttons, touch screen
•Time: timers,
•Light level: photocells,
•Occupancy: occupancy detectors,
•Traffic conditions: traffic flow, driving speed and road-surface condition detectors
•Weather: rain, snow and fog detectors and/or visibility range detectors

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Basic components of a control system
Compares the measured data with the reference data to determines the change of the
controlled environment.
Controller
Standalone Controller Networked controller
•1-10 V dimming system
•DALI control system
•DMX control system
•Powerline control system
•LonWorkscontrol system
•….
•Occur Switch (motion
detector)
•Actilume(motion
detector, light sensor)
•….

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Basic components of a control system
Influences the controlled environment based on the instructions from the controller.
Controlled device
…

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System Lighting Control Architectures
Example 1: Simple manual ON/OFF switch
Input
device
CommunicationControllerCommunication
Controlled
device

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System Lighting Control Architectures
Example 2: Standalone auto ON/OFF using motion detector
Input
device
CommunicationControllerCommunication
Controlled
device

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System Lighting Control Architectures
Example 3: Standalone auto ON/OFF + Dimming using sensor
Input
device
CommunicationControllerCommunication
Controlled
device
Actilume

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System Lighting Control Architectures
Example 4: Standalone ON/OFF + Dimming using input device
Input
device
CommunicationControllerCommunication
Controlled
device

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System Lighting Control Architectures
Example 5: Network control with input buttons
Input
device
CommunicationControllerCommunication
Controlled
device
DyNet

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System Lighting Control Architectures
Example 6: Network control with input buttons + sensor
Input
device
CommunicationControllerCommunication
Controlled
device
DyNet
DyNet

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System Lighting Control Architectures
Example 7: ZigbeeNetwork control with remote buttons and sensor
Input
device
CommunicationControllerCommunication
Controlled
device

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32. Control fundamentals

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Control fundamental
•Lighting control protocols
•Lighting control protocols vs building control protocols
•Popular lighting control protocols
•DyNet
•Popular Building control protocol

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Lighting system protocols
How do we control luminaires?

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Lighting control protocol
A communications protocol is a set of standard rules -the syntax,
semantics, and synchronization for communicating over a computer
network or a lighting control system or both.
All controllers and sensors are connected to each other using a medium (cable or wireless)
The way these controller communicate is called “protocol”

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Popular lighting control protocols

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Popular lighting control protocols
•DMX
•Ethernet (Art-Net,
KiNet, ACN/sACN,
Pathport)
•1-10V
•DSI
•DALI

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DyNet
•DyNetis Philips proprietary protocol used for our Dynalite Lighting
control system
•DyNetmakes it possible for the lighting control system to
communicate with other systems via gateways

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Common building control protocol

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Common building control protocol
BACnet

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Popular building control protocols
LonWorks

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Common building control protocol
KNX

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Technologies for dimming control of light sources
Phase cut dimming
Advantages:
AC wiring (phase-cut)
No control wiring required
Disadvantages
Some dimmers require a minimum load
May exhibit flickering
Cannot dim smoothly to zero
LED lamp compatibility issues
Phase-cut dimming is the modification of the mains supply in order to reduce the overall
power being supplied to the lamps. This is achieved by ‘chopping out’ a varying section of
each cycle depending on the amount of dimming required

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Technologies for dimming control of light sources
Leading Edge dimming (Forward Phase Control)
Leading Edge dimming (Forward Phase Control)
Forward Phase-control dimmers (Leading Edge dimmers) control the amount of voltage
available to a light source. The dimmer turns off part of the leading edge of the AC sine
wave for a preset amount of time, resulting in reduced lamp output (dimming)

45. Le Quoc Thuan –Philips Lighting Vietnam V1 -2015
Technologies for dimming control of light sources
Trailing Edge dimming (Reverse Phase Control)
Trailing Edge dimming (Reverse Phase-control)
Trailing Edge dimmers control the amount of voltage available to a light source. The dimmer
turns off part of the trailing edge of the of the trailing edge of the AC sine wave for a preset
amount of time, resulting in reduced lamp output (dimming).

46. Le Quoc Thuan –Philips Lighting Vietnam V1 -2015
Technologies for dimming control of light sources
Pulse-width-modulation control (PWM)
Pulse-width-modulation control is often referred to as PWM dimming.
Dimming is achieved through the rapid switching on/off of this output in pulses to reduce
the average power output over time. The extent of the dimming is regulated by the ratio of
‘on’ and ‘off ’ phases between the pulses. At full light output, the light is on and never turns
off. At 50% of light output, the light is on half the time and off half the time. The switching
occurs faster than the human eye can possibly detect, ensuing smooth dimming.

47. Le Quoc Thuan –Philips Lighting Vietnam V1 -2015
Technologies for dimming control of light sources
Signal control dimming
Some lamps depend on a transformer/ballast/driver to modify the supply in order to
perform the dimming requirements. Each device receives signals from the lighting control
system, which sends instructions to modify the dimming level.
Ballast/driver
Separated control signal input
Main power

48. Le Quoc Thuan –Philips Lighting Vietnam V1 -2015
Technologies for dimming control of light sources
1-10V dimming
Traditional way of dimming a driver based on dimming voltage, in 1% increments.
•The load controller transmits a low voltage signal from 1-10V:
1 volt ~ 0 % output; 10 volts ~ 100 % output.
•All fittings within one lighting group will respond to dimming instruction at once.
•Requires main voltage switch to switch off lights (can not switch off via control signal)
•Requires correct signal polarity
N
L
1-10V (-)
1-10V (+)
Main power
1-10V Control signal
LampDriver

49. Le Quoc Thuan –Philips Lighting Vietnam V1 -2015
Technologies for dimming control of light sources
DSI dimming
DSI (Digital Serial Interface) is a basic protocol as it transmitted one control value to change
the brightness of all the fixtures attached to the line.
•All the ballasts or light fittings connected to the DSI channel behave identically. It
provides simple digital control of a group of lights with the whole group being able to
be turned on, off or dimmed together.
•The lamps can be switched off through the control signal alone
•Does not require signal polarity
N
L
D1
D2
Main power
DSI Control signal
LampDriver

50. Le Quoc Thuan –Philips Lighting Vietnam V1 -2015
Technologies for dimming control of light sources
DALI dimming
DALI (Digital Addressable Lighting Interface), is a simplified digital way of communication
tailored to the needs of present day lighting technology.
•Simple wiring of control lines (no group formation, no polarity)
•Max 64 fixtures in 1 control bus.
•DALI Broadcast: Simultaneous control of all units (built-in initial operation function)
•DALI Addressing: Control of individual units (individual addressing) or groups (group
addressing)
N
L
DA+
DA-
Main power
DALI Control signal
LampDriver

51. Le Quoc Thuan –Philips Lighting Vietnam V1 -2015
Technologies for dimming control of light sources
DMX dimming
DMX (Digital MultipleX-full name DMX512-A) is a communication standard originally
developed for use in theatres and discos. It allows for the control of switching, dimming,
colourchanging, changing of aiming direction and change of beam shape (gobos).
•512 channels (or 170 RGB luminaires) in 1 Universe
•Max 32 fixtures in 1 line
•Each luminaire has DMX address(es) and can be individually controlled.
•Requires 120Ωterminator
N
L
Main power
D+
D-
DMX Control signal

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Zigbee
What is ZigBee?
ZigBee is a wireless networking standard that is aimed at remote control and
sensor applications.
In lighting ZigBee allows consumers to easily control all their LED fixtures, light
bulbs, remotes, sensors and switches.
ZigBee devices can transmit data over long distances by
passing data through a mesh network of intermediate devices
to reach more distant ones

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Zigbeealliance
The Alliance has three levels of membership:
Promoter, Participant and Adopter

54. System structure
Luminaire ActulumeWirelesscontroller ActilumeMulti Sensor
•Lumiledschip and Xitaniumdriver
•System efficiency>95lm/W
•CRI 85
•Occupancy sensing
•Daylight harvesting
•Zigbee(IEEE802.15.4) protocol
•Each network supports 50 luminaires to group
•All-in-one package, no need to add wiring
•Zigbeehelps to save energy
•High luminous efficacy and CCT, long lifetime, low-cost
maintenance

55. Wireless zoning Mesh Network
•Maximum of 50 ActiLumeWireless DALI
luminaires can be in 1 network
•A network can be divided into 32 different zones
and in addition Scenes can be programmed and
selected or a specific light level can be set
•Each luminaire makes contact with all other
luminaires within RF-range.
•The network builds an optimal routeto secure
best performance.
•The optionalalternative routesgive the network
its reliability.

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Example of a Green Parking network
•Each luminaire makes contact with all other luminaires within RF-range.
•The network builds an optimal routeto secure best performance.
•The optionalalternative routesgive the network its reliability.
•As general rule: each luminaire should see at least 2 other luminaires.
•The sensor makes contact with only one luminaire, although it may
detect more than one.
•If the contact is lost for some reason, the sensor will search for another
luminaire in range to make contact.
topview

57. Thank you