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Comparative analysis of electronic counters





No. п \ п Main characteristics of electronic counters Quantum Dxxx
( Shlumberger , Austria)
ZMU \ Bxx, Z.Uxx, Z.Vxx
( Landys & Gyr , Switzerland)
Alpha
( ABB VEI Metronica , Russia)
CE 6850
( Concern Energomera , Russia)
1 Appointment Three-phase combined 4-quadrant electronic meter with electronic charging device
2 Principle of measurement Providing a smooth error curve and an increased permissible value of overloads due to the use of current transformers without a steel core and the processing of current and voltage signals with the help of a custom-designed customized "Mark-Space-Amplitude" chip - 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 electrical power in ZMU \ Bxx meters Measurement of current and voltage with the help of high-linear transformers with subsequent 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 6th 4 4 6th
Active and reactive energy in 2 directions 4 4 no Yes
Information from external sources in a number of pulses (electricity, water, gas, etc.) 2 no no 4
4 Number of design 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
Coefficient of power cos Up to 1 No Up to 1 Up to 1
Summation of measured and calculated values Yes 1 Yes
Comparison of the values ​​of 2 quantities,% Yes 1 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
6th Connection, current inputs Direct switching (100A) \ through measuring transformers (1A / 5A) through measuring transformers (1A / 5A)
7th Measuring information in a number pulse form Up to 2 discrete inputs No Up to 4 digital inputs
8 Rated voltage, V 100 \ 220 \ 380
9 Current circuit, rated current, I n
With direct connection 120A / 65A Up to 100A -
With transformer switching 1A \ 5A
Measured range,% I n 1% -200% 5% -200% 1% -150%
Load capacity:
measuring 10A
thermal 12A
short circuit 0,5с 20x Imax 10x Imax 20xIn
10 Rated frequency 50Hz + \ - 5%
eleven Calibration interval, years More than 15 years 8
12 Display LCD (liquid crystal display), replaceable with additional symbols
13 Life time More than 15 years 30 years
14 Number of digits 4 \ 7 \ 8 4 \ 7 3 \ 6 string * 16 familiarity
15 Sign height, mm 12 8 8 5
16 Number of load registers (demand) 8 2
17th Status registers (Energy, load, inputs, outputs, presence of a feeding phase) 6th Partially
18 Calendar clock \ timer The built-in real-time clock is intended for charging purposes and the imposition of timestamps on measurement results and emerging contingencies
19 The accuracy of the clock, controlled by quartz, sec / day Standard IEC 1038, 10 ppm over the entire temperature range. 0,43sec / day ? 5 ppm (0.43 sec / day) Quartz 32.768 kHz 0.5 sec / day
20 Duration of work from backup power, lithium battery 5 years 1 year 5 years 9 years
21 Synchronize the built-in clock Quartz \ network \ external Quartz \ external
22 Tariff functions
Number of tariff zones Up to 15 Up to 8 4 Up to 8
The number of options for the daily rate (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 6th 4 2 12
Number of holidays and days off 120 Provided for No 32
Number of energy registers 12 8 6th
Number of load registers 8 4
Register cos " no 1 Up to 1
Depth of archive of registers 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
Method of Tariff Management 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 values For 8 quantities For 4 channels For 4 values
Accumulation period, min. 1,2,4,5,10,15,30,60min. 1,3,5,10,15,20,30
The volume 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 Interfaces of the electronic counter:
To enter information:
The presence of inputs for the input of measurement information about energy resources in a number-pulse form Up to 2 inputs (24V, more than 10mA, frequency is not more than 20Hz, pulse duration is not less than 25 msec) No Up to 4 inputs (24V, more than 10mA, frequency is not more than 20Hz, pulse duration is not less than 25 msec)
To display information:
El-type relays for generating output pulses proportional to the measured quantities, control and signal 0,1,2,3,4 pins, the pulse width per kWh is programmed Up to 8 pins (24V, more than 10mA, frequency not more than 20Hz, pulse duration not less than 25 msec)
IRPS, "current loop" No 1,5 km, 300-19200 baud, poll> 1 time per hour Yes
RS-232 Standard MKTTV24, 4-wire, galvanic isolation,? 9V, up to 19200 baud 1.5 km, 1200-19200 baud 15 m, 300-36000 baud
RS-232 multipoint (multipoint) Up to 4 counters per modem No
Serial interface "current loop" RS-485 Standard IEC 1107, passive 2-wire current loop, galvanic isolation, 20mA, up to 9600 baud, connection of up to 4 meters Use of formatted standard commands (according to IEC 1107), 20mA, 27V 1,5 km, unites up to 32 counters, 1200baud - 19200bd 2 km, unites up to 32 counters, 300baud - 19200bd
Built-in modem Compatible with the requirements of MKTT, (300, 600, 1200, 2400) baud. "Autoresponder" and "Autodial" modes No no
Optical communication port Standard IEC 1107, 300 Baud - 19200 baud, RS-232, 2 m Standard IEC 1107, 300 Baud - 24000 baud, RS-232, 2 m
Data integrity in the event of a power failure Unlimited time, flash - memory Up to 5 years with battery Unlimited time, flash - memory
25 Counter hardware platform Processor ST90R50, 11.0592 MHz, ROM - 128k bytes, address bus - 17 bits, data - 8 bits, flash memory - (8-64) kbytes, custom measuring MSA scheme Implementation of MSA technology on analog processors, flash memory Specially designed for the counter microcontroller and VLSI measurement, containing a programmable digital signal processor with three built-in ADCs Microcontroller and VLSI measurement, containing a programmable digital signal processor with three built-in ADCs, processors, flash memory
26th Self-test counter Once a day Interval -30 min
27th Protection of commercial information 3 levels of passwords plus hardware lock 2 password levels plus hardware lock
28 Additional features of individual models in this series of meters The Quantum Q1000 meter provides current, voltage, and power measurement in phases, phase angle measurement, harmonic distortion source indication The "Alpha Plus" counter provides current, voltage, and power measurement in phases, phase angle measurement, network frequency measurement, harmonic distortion source indication The CE 6850 meter provides current, voltage, and power measurement in phases, phase angle measurement, network frequency measurement, harmonic distortion source indication
29 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 Electric Power Group, which has about 40,000 employees and employees. The field of joint cooperation is the production of means, systems of accounting and management of energy supply. ABB VEI Metronica manufactures meters in Russia (Moscow) under license and from components of ABB Power T & D, USA OJSC Energomera Concern is the leading Russian enterprise for development and production of electronic meters and metrological equipment. On the domestic market and near abroad markets since 1995. The Concern includes 4 electrical engineering plants and 3 specialized design bureaus.
thirty Year of company formation 1878 (120 years) 1896 (102 years) 1994. 1995y.
31 Number of employees 51 000 16000 - -
32 Annual sales in Europe $ 2779 million
33 Finding in the Register of measuring equipment of Ukraine № У805-97 since 1.08.97. ZB - No. U284-94 from 1.09.94. ZU - № У285-94 from 1.09.94г № У452-95 from 1.08.95. All Concern products are included in the state register of Ukraine from 12.10.2001.
34 Counter power consumption Less than 3.4 VA Less than 3.6 VA Not more than 6 VA
35 Dimensions 178h69h368.5 mm 262x180x180mm 177 * 282 * 85
36 Weight, kg 1.6 1.6 3 3
37 Protection class Dust-, water-proof IP52
38 Electromagnetic compatibility According to IEC 687 and IEC1036
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, reserve, etc. 3-phase power supply Operational with 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