DTZY88-Z three-phase multi-function electric energy meter (built-in
carrier)
I. Overview
DTZY88-Z three-phase multi-function electric energy meter (built-in
carrier), using advanced solid-state integrated circuit technology
and SMT technology, suitable for measuring AC three-phase active
and reactive energy with a frequency of 50 Hz, and its performance
complies with GB17215.321-2008 skills requirement. This product has
a two-way metering function, which can accurately measure active
and reactive energy in both positive and negative directions. It
has a time-sharing metering function. The electrical energy is
divided into peak, peak, flat, valley and other time periods and
total electrical energy. Accumulate and store; can record demand
and load curves; LCD display function (with button wake-up LCD
display function when power failure), RS485, narrowband carrier
communication and infrared communication functions.
II. The main parameters
1. Accuracy: Active power 0.5S or level 1, reactive power level 2.
2. Rated voltage (Un): 3×220/380V.
3. Limit working voltage: 0.6Un~1.2Un.
4. Current specifications: 0.3(1.2A), 1(10)A, 1.5(6)A, 5(30)A,
10(60)A, 20(80)A.
5. Basic error, starting and creeping: meet the requirements of
GB/T17215.321-2008/GB/T17215.322-2008.
6. Dimensions: 265mm×170mm×75mm.
7. Installation size: 210(226)mm×150mm.
8. Comply with the following relevant specifications:
Q/CSG113007-2011 China Southern Power Grid Corporation three-phase
multi-function electric energy meter technical specifications;
Q/CSG113012-2011 China Southern Power Grid Corporation three-phase
electronic watt-hour meter appearance structure specification;
Q/CSG113013-2011 China Southern Power Grid Corporation's extended
protocol on DL/T645-2007 multi-function electric energy meter
communication protocol;
DL/T 645-2007 Multifunctional electric energy meter communication
protocol and its filing documents;
DL/T 614-2007 Multifunctional electric energy meter.
three. The main function
1. Support 4 rates, maximum 14 time zones throughout the year, 14
time periods can be set every day, two sets of rate timetable
switching, and special timetable settings for holidays.
2. Support the data storage function, which can store the two-way
total electric energy and the electric energy data of various
tariffs for the last 12 settlement days.
3. Support freezing function, with time freezing, instantaneous
freezing, daily freezing, agreed freezing, and whole point
freezing.
4. Support event recording function, can record the total number of
power failures, the total number of programming, the total number
of time calibration, the total number of open meter cover; can
permanently record the time of the electricity meter clearing event
and the electrical energy data at the time of clearing, etc. .
5. With load recording function, it can be defined from DL/T
645-2007 "voltage, current, frequency", "existing and reactive
power", "power factor", "existing and reactive total energy", "four
quadrants" Any combination of the six types of data items "total
reactive energy" and "current demand".
6. Support alarm function, with light alarm output. The light alarm
uses a red constant light indicator, and the alarm automatically
ends when the event returns to normal.
7. It has 1 infrared communication interface, 2 RS485 communication
interfaces, and narrowband carrier communication interface.
8. Record the cumulative total loss time, the time of the last 10
full loss of voltage, the recovery time, and the voltage, current,
power, power factor, positive and negative active power, positive
and negative of each phase at the time of occurrence. 8.
Information such as reactive power and current.
9. Optional narrowband carrier communication module commonly used
in China at present, the carrier module is built-in and cannot be
replaced.
10. Support power failure wake-up function.
