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Switching Control

Trimming burning hours

Days of week control

Switching methods

Override

Custom control programs

Calendar control

Standard control programs

Dimming

  • e.g. different switching at w/e
  • up to 10 switching steps
  • special events
  • seasonal adjustment
  • by time e.g. 5pm
  • by solar calendar e.g. 10 mins after sunrise
  • by light level e.g. 10 lux
  • photocell
  • part night on/off
  • part night dim
  • fixed times
  • optimised each day
  • auto-configure to target light level
  • quick switching change
  • respond to incidents
  • use for maintenance
  • with 0-10v or DALI ballasts
  • dim to any level 0-100% (ballast permitting)

Switching Control

Example - part night / override

Example - part night dimming

Monitoring

Lamp condition

...and trimming

(later switch on & earlier switch off)

  • failure
  • cycling
  • day burning

Energy management

Telecells

Network infrastructure

Monitoring

2-part

conduit

mini

First - measure it

NEMA

Base station

Times

  • reports true kWh
  • column mounted
  • range 2-3km urban, 5-8km rural
  • connects 10,000 telecells
  • switch times
  • burn hours
  • BSCP event log

telecell metering chip

=

accurate kWh measurement

2-part telecell

uses separate antenna

plus

or

Monitoring

Telecells

Energy

Energy management

for different fixture types..

  • active energy
  • cumulative energy

Second - reduce it

  • burning hours
  • power levels

Network infrastructure

flexible switching control

Central system server

  • in customer server room
  • or, hosted by Telensa

Monitoring

Electrical

Energy management

  • average power
  • average current
  • average power factor
  • instant power
  • instant current
  • instant power factor

Third - realise £ savings

base stations connect to the server using IP

(3G, ADSL or ethernet)

  • Elexon approved CMS

flexible switching control

Event log

Daily transfer

Half hourly data

Meter Adminstrator

(CMS capable)

Monitoring

Mains supply

  • low voltage
  • power cycles
  • instant voltage
  • average voltage

Monitoring

Telecell

  • temperature
  • missing data (from loss of supply or communications)
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