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Product at a glance

Bulk energy measurement, modular multi comms options, wall mounted, long range site configurable

Apex 150, series of next generation energy meter designed for power transfer points requiring precise measurements and revenue transactions. Flexible and modular communications ensure integration with existing AMR/AMI/SCADA systems and upgrade to future SAS systems. 4 quadrant energy measurement allows monitoring of generation, transmission and bulk power transfer point.

Application

  • Metering for availability based tariffs (ABT) and open access systems
  • Energy transfer measurement and reconciliation
  • Power plants, feeder monitoring, grid substations, wind turbines
  • On-line monitoring of energy exchange at various interface points
  • Energy accounting, automation and system integration

Benefits

  • Minimal integration cost through multiple communication interfaces
  • Suitable for diverse applications through wide-rangevoltage, current and auxiliary supply inputs
  • Support of industry standard DLMS and MODBUS meter reading protocols
  • Meter reading and display viewing under power outage
  • Field replaceable hot pluggable communication modules

Features

  • 0.2S accuracy for active and reactive measurement
  • Wide-range dual auxiliary supply with options for AC/DC and self-power (VT powered)
  • Power quality features including THD, sag, swell, voltage unbalance and interruption recording
  • Dynamic error compensation for CT/VT
  • Transformer/Line loss adjustment (Copper and Iron losses)
  • Intuitive graphical display including vector diagram, wave forms and bar chart for consumption
  • Remote configuration of communication ports
  • Simultaneous DLMS and MODBUS over Ethernet port
  • Support of meter reading/display over field replaceable battery
  • Availability of RS232, RS485 and Ethernet ports in a single product and capability of simultaneous communication through all these ports
  • Flexible time-of-day tariff, maximum demand support with automatic billing dates
  • Meter cover and terminal cover open detection
  • RS232 port compatible with meter-powered modem
  • Best suitable for Interface Energy Meters with 5 minutes Integration period (field configurable)

Specification

Electrical
Connection type HV3/HV4
Measurement voltage range 57.7 V or 63.5 V (L-N) for HV4, 100 or 110 V (L-L) for HV3
Measurement current range Ib: 1A or 5A (configurable)*, Imax up to 10A (configurable)*
Frequency 50 Hz ±5%
Burden with auxiliary/self (VT) powered Current circuit: < 0.1 VA/phase @ 1A, < 0.5 VA/phase @ 5A
Voltage circuit in case of Aux power: < 0.1 VA/phase
Voltage circuit in case of internal/self power: < 6 VA/phase
Accuracy Class 0.2S
Maximum overload Voltage 1.5 times of nominal voltage continuously
2 times of nominal voltage for 0.5 second
Maximum overload current 1.5 times of Imax continuously
10 times Imax for 1 second
20 times Imax for 0.5 second
Compliance
Standards* IS 14697
IS 15959 DLMS Indian companion standard, category B
Mechanical
Dimensions (W x H x D) 292mm x 201mm x 105mm (H x W x D)
Weight 2 kg (+/- 200 gm)
Environmental
Ingress protection IP54
Operating temperature -10 °C to + 60 °C
Limit range of operation -25 °C to + 70 °C
Storage temperature -40 °C to + 80 °C
Temperature coefficient <0.1%/10 C