The well-known foreign brands of maximum demand measurement harmonic meters include the American electrical control series, the French Schneider series, and the well-known domestic brands include Ankerui Electric Co., Ltd. R series, Jiangsu Sphire series, Zhuhai Paino, etc.
The following takes the R product of Ankerui Electric Co., Ltd. as an example to introduce the functions and technical parameters of the maximum demand measurement harmonic meter.
Display full electrical parameter measurement (four-quadrant electrical energy metering, maximum demand, multiple rate electrical energy statistics, sub-harmonic components, voltage crest coefficient, telephone waveform factor, current coefficient, voltage and current imbalance, calculation of grid voltage and current plus and minus zero Sequence component (including negative sequence current) measurement + communication interface b protocol or / protocol.
Applicable environment
Working temperature: ℃~+℃
Storage temperature: ℃~+℃
Relative humidity % non-condensing
Altitude
Electromagnetic compatibility
Electrostatic anti-interference test level III
Radiation anti-interference test level III
Electrical fast transient pulse group interference test Level IV
Surge anti-interference test Level IV
Radio frequency conducted interference test Level III
Electromagnetic field anti-interference test Level III
Technical parameters
Network
Three-phase Three-wire, three-phase, four-wire
Accuracy level
Current voltage: level,
Power active energy: level,
Frequency:,
Reactive energy: level
Input current
Rating:
Overload: times rated value (continuous) times rated value/second
Power consumption (each channel)
Input voltage
Rated value/
Overload: times rated value (continuous) times rated value/second
Power consumption (each channel)
Working power supply
Working range
Frequency
Power Consumption (lattice liquid crystal)
Power consumption (field liquid crystal)
Power frequency withstand voltage
/AC effective value
Switching input
Dry contact input, Built-in + power supply
Switching output
Output mode: OR relay normally open contact output
Contact capacity: / /
Pulse output
Output mode: Collector Open optocoupler pulse, output
Pulse constant: /
Communication
R interface
BR protocol
Baud rate can be set
Appearance and installation Dimensions
The face frame size of R is *, the opening size is *, and the installation depth is. Display (field type LCD)
The face frame size of R is *, the opening size is *, and the installation depth is .Display (dot matrix liquid crystal)
The frame size of R is *, the hole size is *, and the installation depth is . Display (field type liquid crystal)
The frame size of R is *, the hole size is The size is *, the installation depth is. Display (dot matrix liquid crystal)
Patents and Copyrights
R Patent: Power quality analysis instrument LCD panel appearance patent number
R Copyright registration number: Shanghai " Ankerui R Power Quality Analyzer Software》
Example
Model
Auxiliary power supply
Input signal:
Grid: three-phase four-wire
Communication/bR
Model
Auxiliary power supply
Input signal:
Grid: three-phase four-wire
Communication/bR