RN7302(V3)

The RN8302B\ RN8302C\ RN8306\ RN7302\ RN7306 is a multi- functional, high accurate, high- reliability, low- power energy metering device, which can be widely used in smart meters, energy consumption analysis, power monitoring, power safety and other fields of instrument design. The RN8302B\ RN8302C\ RN8306\ RN7302\ RN7306 Support current transformers, shunt and Rogowski coil sensor, typical applications include: Power Grid Smart Meter (current transformer, shunt), Power Grid IoT meter (current transformer, shunt), Power Grid Guide Rail meter (Rogowski coil sensor).

Applications

• smart meters
• energy consumption analysis
• power monitoring
• power safety
• Power Grid Smart Meter (current transformer, shunt)
• Power Grid IoT meter (current transformer, shunt)
• Power Grid Guide Rail meter (Rogowski coil sensor)

Key features

• Metrology
• Total/fundamental active energy, dynamic range: 10000:1, error < 0.1%, accuracy: 0.5S and 0.2S. Support bidirectional metering, accumulation modes: algebraic sum, absolute sum, positive or negative direction, accumulation source: instantaneous power or half- cycle power. Support active energy standards: IEC62053- 22:2020, GB/T 17215.321- 2021 and OLML R 46- 1/2:2012.
• Total/fundamental reactive energy, dynamic range: 10000:1, error < 0.1%. Support bidirectional metering, accumulation modes: algebraic sum, absolute sum, positive or negative direction, and accumulation source: instantaneous power or half- cycle power. Support reactive energy standards: IEC62053- 23:2020, GB/T 17215.323- 2008 and OLML R 46- 1/2:2012.
• Total/fundamental apparent energy, accumulation source: instantaneous power or half- cycle power.
• Active and reactive power directions, support four- quadrant judgment
• No- load/Start- up mode under power or current is selectable, and the threshold is adjustable
• Adjustable Electricity Meter Constant
• Fast pulse counting of active, reactive, and apparent power
• 5 configurable CF pulse outputs (total/fundamental active/reactive/apparent is selectable)
• Per- phase metrology with 3 configurable per- phase CF pulse outputs (total/fundamental active/reactive/apparent is selectable)
• 12 custom power registers and 3 custom CF pulse outputs, independent pulse constants, support harmonic energy meters, and support the standard: GB/T 17215.302- 2013
• Include RMS, PQS two kinds of apparent power/energy metrology, support IEEE1459- 2010, GB/T 18216_12- 2010 and the latest standards
• Measurement
• Total/fundamental active/reactive/apparent power, support IEEE1459- 2010, GB/T 18216_12- 2010 and the latest standards
• Per- phase total active and reactive power with half- cycle update, update mode: zero- crossing mode or half- cycle mode, support the IEC61000- 4- 30:2008 standard
• Per- phase fundamental active and reactive power with half- cycle update, update mode: zero- crossing mode or half- cycle mode, support the IEC61000- 4- 30:2008 standard
• Polyphase voltage/current RMS of total/fundamental/harmonics
• 8kSPS fundamental instantaneous RMS
• Two kinds of half- cycle RMS: metering channel and simultaneous sampling channel
• The RMS output of three- phase voltage vector sum and current vector sum, and the participation mode of A\B\C phases in voltage vector and calculation can be configured
• Total/fundamental power factor
• Voltage line frequency, accuracy < 0.02%, update period:1- cycle or 32- cycle
• Phase angle of voltage and current of each phase, accuracy < 0.02°, update period: 1- cycle or 32- cycle
• Seven zero- crossing detection, and threshold can be configured
• Voltage phase sequence error detection
• No- voltage indication, and the no- voltage threshold can be