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5.2 Metering function
It can measure the current combined active energy, forward active energy, reverse active energy,
inductive reactive energy, capacitive reactive energy, and apparent energy.
5.3 Time-sharing function
Two sets of timetables, one year can be divided into 4 time zones, each set of timetables can set 12
daily time periods, 4 rates (F1, F2, F3, F4 are peaks and valleys). The basic idea of time-of-use billing is to
use electric energy as a commodity, using economic leverage, the electricity price is high during the peak
period of electricity consumption, and the electricity price is low when the valley is low, so as to cut the
peak and fill the valley, improve the quality of electricity consumption, and improve the overall economic
benefits.
5.4 Demand function
The concepts related to demand are as follows:
demand
The average power measured during the demand period is called demand
maximum
demand
The maximum demand in a specified time zone is called the maximum
demand
slip time
From any moment, the method of recursively measuring demand according
to the time less than the demand period, the measured demand is called slip
demand. The recursion time is called slip time
demand
cycle
Continuous measurement of average power at equal time intervals, also
called window time
The default demand period is 15 minutes and the slip time is 1 minute.
It can measure 8 kinds of maximum demands, namely A/B/C three-phase current, forward active power,
reverse active power, inductive reactive power, capacitive reactive power, apparent power maximum demand
and the time when the maximum demand occurs.
Displays 8 real-time demands, namely A/B/C three-phase current, forward active power, reverse active
power, inductive reactive power, capacitive reactive power, and apparent power demand.
5.5 Historical energy statistics function
It can count the historical electric energy in December (including 4 quadrants and electric energy at various
rates)
5.6 Switch input and output functions
There are 1 switch output and 1 switch input. The switch output is relay output, which can realize "remote
control" and alarm output. The switch input can not only collect and display the local switch information, but
also realize the remote transmission function through the RS485 of the instrument, that is, the "remote signal"