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Summator 100

  • Field configurable Field configurable
  • Accurate summation Accurate summation
  • Real time summation Real time summation

Product at a glance

Rack mount, flexible summation and communications

Summator 100 is a digital summation system designed specifically to meet the multi-feeder metering needs of utilities. It uses the robust and accurate platform of Apex 100 meters for feeder metering and enables utilities to measure concurrent demand for multiple feeders. It can be provided as a pre-wired cubicle fitted with summator and feeder meters.
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Application

  • Bulk power transfer through multiple feeders, e.g. consumers requiring multi-feeder supply due to either criticality of supply or physical limitations of a single feeder
  • Railway traction, radio/TV stations, airports, defence and hospitals, where power is supplied through multiple feeders for reliability and security
  • IPP, solar and wind power generation plant
  • Heavy industry with multi-feeder supply to cater for bulk power requirement e.g. steel plant, refineries etc.

Benefits

  • Option for pre-wired panel with complete summation solution
  • Capability for up to 7 feeder meters
  • Different CT/PT ratios can be configured for individual feeder meters
  • Supports industry standard DLMS and modbus protocols for easy integration
  • Real-time digital summation and concurrent demand calculation for accurate billing
  • Accurate time management through dual SNTP
  • Eliminates need for summation CT and avoids associated errors
  • Standard rack mounting, compatible with DIN 43862

Features

  • 0.2S class Apex 100 used as feeder meter
  • Draw-out type feeder meter and summator modules (automatic CT-shorting)
  • Display for individual feeder meters and summator unit
  • Communications options: Ethernet and RS232/RS485
  • Optical and USB ports in summator and feeder meter modules
  • Option for time synchronization through SNTP and digital input methods
  • Option for dual-auxiliary or self + single-auxiliary power supply
  • Secure communications between summation unit and feeder meters to prevent unauthenticated access
  • Supports 10 energy, MD and TOU parameters
  • Available in arithmetic, standard and differential summation configurations
  • Supports 53 billing dates, 16 day types, 8 TOU energy registers, 8 TOU MD registers, 16 seasons and 30 special days
  • Storage of summated high-resolution energy values, up to 9600 parameter days (e.g. 960 days for 10 parameters@ 30-minute interval)
  • Intuitive graphical display for summation unit and feeder meters
  • Simultaneous modbus and DLMS protocol support over ethernet port
  • Field-replaceable battery for RTC, display viewing and meter reading

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Specification

Electrical (for feeder meter)
Accuracy Class 0.2S
Connection type CT/PT-operated
Wiring configuration 3 phase 3 wire/3 phase 4 wire
Voltage range 57.7-63.5/100-110 V (L-N/L-L), configurable
Current range Ib: 1A or 5A, Imax: 120% or 200% of Ib
Frequency 50 Hz ±5%
Metrology indicator LED per metering module, keypad configurable
Power supply
Auxiliary power supply 60-240 V AC/DC ±20%
Self (or PT) power supply 57.7-240V AC ±30%
Compliance
Standards IS14697 and IEC62053-22 for individual feeder meters
Mechanical
Dimensions (W x H x D) 428 mm x 133 mm x 260 mm approx. (meter with 19” rack)
Weight Summation/Feeder meter: 3.8 kg approx. (± 0.1 kg)
Environmental
Ingress protection IP51, IP53 over front fascia
Operating temperature -10°C to +60°C
Limit range of operation -25°C to +70°C
Storage temperature -40°C to +80°C
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