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Comparative analysis of electronic meters





No. p \ p Main characteristics of electronic meters Quantum dxxx
( Shlumberger , Austria)
ZMU \ Bxx, Z.Uxx, Z.Vxx
( Landys & Gyr , Switzerland)
Alpha
( ABB VEI Metronika , Russia)
CE 6850
( Energomera Concern , Russia)
one Appointment Three-phase combined 4-quadrant electronic meter with electronic billing device
2 Measurement principle Ensuring a smooth error curve and increased permissible value of overloads due to the use of current transformers without a steel core and processing of current and voltage signals with the help of a specially developed specialized chip “Mark-Space-Amplitude” - MSA High linearity, long-term stability, wide dynamic range due to the use of DFS direct field sensors using the Hall effect and allowing direct measurement of electric power in ZMU \ Bxx meters Measurement of current and voltage using high-linear transformers, followed by ADC conversion and calculation of parameters Measurement of current and voltage using high-linear transformers without a steel core, followed by ADC conversion and calculation of parameters
3 Number of measured values 6 four four 6
Active and reactive energy in 2 directions four four no Yes
Information from external sources in a pulsed form (electricity, water, gas, etc.) 2 no no four
four Number of calculated values ​​:: Until 6 Up to 4; Up to 4
Active and reactive power Until 6 Up to 4 Up to 4
Total energy Up to 1 No Up to 1
Power factor cos Up to 1 No Up to 1 Up to 1
Summation of measured and calculated values Yes one Yes
Comparison of 2 values,% Yes one Yes
5 Accuracy class:
Active energy module 0.2s-0.5s 0.2-0.5 0.5s
Reactive energy module 1.0-2.0 1.0
6 Connection, current inputs Direct connection (100A) \ through measuring transformers (1A \ 5A) through measuring transformers (1A \ 5A)
7 Measuring information in pulse number form Up to 2 digital inputs No Up to 4 digital inputs
8 Rated voltage 100 \ 220 \ 380
9 Current circuit, rated current, I n
When turned on directly 120A \ 65A Up to 100A -
When transformer is turned on 1A \ 5A
The measured range,% I n 1% -200% 5% -200% 1% -150%
Load capacity:
measuring 10A
thermal 12A
0.5s short circuit 20xImax 10xImax 20xInom
10 Rated frequency 50Hz + \ - 5%
eleven Intertesting interval, years More than 15 years 8
12 Display Liquid Crystal Display (LCD), interchangeable with additional characters
13 Life time More than 15 years 30 years
fourteen Number of digits 4 \ 7 \ 8 4 \ 7 3 \ 6 lines * 16 familiarity
fifteen Sign height, mm 12 8 8 5
16 Number of load (demand) registers 8 2
17 Status registers (Energy, load, inputs, outputs, supply phase) 6 Partially
eighteen Calendar Clock \ Timer The built-in real-time clock is designed for charging and time stamping on measurement results and emergencies
19 Quartz-controlled clock accuracy, sec \ day Standard IEC 1038, 10 ppm over the entire temperature range. 0.43sec \ day ? 5 ppm (0.43sec \ day) Quartz 32.768 kHz 0.5 sec \ day
twenty Battery backup time, lithium battery 5 years 1 year 5 years 9 years
21 Built-in Clock Sync Quartz \ network \ external Quartz \ external
22 Tariff functions
Number of tariff zones Up to 15 Up to 8 four Up to 8
Number of daily rate options (Spring, summer, autumn, winter + holidays + weekends) To 10 2 (winter, summer) Up to 15
The number of options for building tariff schedules From 5 options for 15 tariff zones to 10 options for 8 tariff zones 12
Number of seasons 6 four 2 12
The number of holidays and weekends 120 Foreseen No 32
Number of energy registers 12 8 6
Number of load registers 8 four
Cos register ` no one Up to 1
Register Depth Depth 15 archived values Not documented Up to 128 days
The duration of the integration period, min 1,2,3,4,5,6,8,10,12,15,20,25,30,45,60,75 1 ... 60 1,3,5,10,15,30,60 1,3,5,10,15,20,30
Tariff Management Method External control \ from the built-in clock and calendar From the built-in clock and calendar From the built-in clock and calendar
23 Load graphs by measured or calculated values For 4 quantities For 8 quantities For 4 channels For 4 values
The accumulation period, min 1,2,4,5,10,15,30,60min. 1,3,5,10,15,20,30
The amount of recorded information (Number of graphs \ accumulation period \ number of days) From (1 \ 15 \ 400) to (4 \ 3 \ 14) 2 \ 15 \ 200 From (4 \ 30 \ 320) to (4 \ 5 \ 53) From (48/128) to (240/5)
Reading information Visual, serial port (optical \ electrical) Visual, serial port (optical \ electrical), parallel port.
24 Electronic counter interfaces:
To enter information:
The presence of inputs for entering measurement information about energy resources in the number of pulsed form Up to 2 inputs (24V, more than 10mA, frequency not more than 20Hz, pulse duration not less than 25ms) No Up to 4 inputs (24V, more than 10mA, frequency not more than 20Hz, pulse duration not less than 25ms)
To display information:
Electronic relays for generating output pulses proportional to the measured values, control and signal 0,1,2,3,4 outputs, pulse duration per kWh programmable Up to 8 pins (24V, more than 10mA, frequency not more than 20Hz, pulse duration not less than 25ms)
IRPS, “current loop” No 1.5 km, 300-19200 baud, survey> 1 time per hour Yes
RS-232 MKTTV24 standard, 4-wire, galvanic isolation,? 9V, up to 19200 Baud 1.5 km, 1200-19200 baud 15 m, 300-36000 baud
RS-232 multipoint Up to 4 counters per modem No
Serial interface “current loop” RS-485 IEC 1107 standard, passive 2-wire current loop, galvanic isolation, 20mA, up to 9600 baud, connection of up to 4 meters Using formatted standard commands (according to IEC 1107), 20mA, 27V 1.5 km, combines up to 32 counters, 1200 baud - 19200 baud 2 km, combines up to 32 counters, 300 baud - 19,200 baud
Built-in modem Compatible with MKTT requirements, (300, 600, 1200, 2400) baud. “Answering Machine” and “Auto Dial” modes No no
Optical communication port Standard IEC 1107, 300 Baud - 19200 Baud, RS-232, 2m Standard IEC 1107, 300 Baud - 24000 Baud, RS-232, 2m
Power failure data retention Unlimited time, flash - memory Up to 5 years with battery Unlimited time, flash - memory
25 Counter hardware platform ST90R50 processor, 11.0592 MHz, ROM - 128 kbytes, address bus - 17 bits, data - 8 bits, flash - memory - (8-64) KB, custom MSA measurement circuit Implementation of MSA technology on analog processors, flash - memory Microcontroller and VLSI measurement specially designed for the counter, containing a programmable digital signal processor with three integrated ADCs Microcontroller and VLSI measurement, containing a programmable digital signal processor with three built-in ADCs, processors, flash - memory
26 Counter self-diagnosis Once a day Interval -30 min
27 Protection of commercial information 3 password levels plus hardware lock 2 password levels plus hardware lock
28 Additional features of individual models in this series of meters The Quantum Q1000 counter provides measurement of current, voltage, and power in phases, measurement of phase angle, indication of the source of harmonic distortion The Alpha Plus counter provides phase current, voltage, and power measurements, phase angle measurements, network frequency measurements, indication of harmonic distortion source The CE 6850 counter provides measurement of current, voltage, and power in phases, measurement of phase angle, measurement of network frequency, indication of harmonic distortion source
29th Characteristics of the manufacturer Shlumberger is a multinational corporation headquartered in New York with offices in Australia, Canada, the United Kingdom, Singapore, South America, South Africa and Europe. Manufacturers of measuring equipment in Europe - enterprises in Germany, France, Austria, Hungary. Landys & Gyr is a Swiss company that is part of the Electrowatt Group, which has about 40,000 workers and employees. The area of ​​joint cooperation is the production of means, metering systems and energy supply management. ABB VEI Metronika Plant manufactures meters in Russia (Moscow) under license and from components of ABB Power T&D, USA Energomera Concern OJSC is a leading Russian enterprise for the development and production of electronic meters and metrological equipment. Since 1995, in the domestic and neighboring countries markets, the Concern has 4 factories of the electrical industry and 3 specialized design bureaus.
thirty Year of foundation of the company 1878 (120 years old) 1896 (102 years old) 1994 1995
31 Number of employees 51,000 16000 - -
32 Annual sales in Europe $ 2,779 million
33 Being in the Register of measuring instruments of Ukraine No. U805-97 from 1.08.97 ZB - No. U284-94 from 1.09.94. ZU - No. U285-94 from 1.09.94g No. U452-95 from 1.08.95 All products of the Concern are included in the state register of Ukraine from 10/12/2001.
34 Power consumption meter Less than 3.4 VA Less than 3.6 VA No more than 6 VA
35 Dimensions 178x69x368.5 mm 262x180x180mm 177 * 282 * 85
36 Weight kg 1.6 1.6 3 3
37 Protection class Dust and water protection IP52
38 Electromagnetic compatibility According to IEC 687 and IEC 1036
39 Operating temperature range, 0 С -30 0 С ... + 60 0 С -20 0 С ... + 50 0 С -40 0 С ... + 60 0 С -25 0 С ... + 55 0 С
40 Power Requirements, Standby, etc. 3 phase power It is efficient in the presence of at least 1 phase, the ability to connect an external backup power source.
41 Service life, years Not less than 20 Not less than 24 thirty thirty
42 Manufacturer's Warranty 12 months 3 years 3 years