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Comparative analysis of electronic meters
| Number n \ n | The main characteristics of electronic meters | Quantum Dxxx ( Shlumberger , Austria) | ZMU \ Bxx, Z.Uxx, Z.Vxx ( Landys & Gyr , Switzerland) | Alpha ( ABB VEI Metronica , Russia) | COE 6850 ( Concern Energomera , Russia) |
| A | Appointment | Three-phase combined 4-quadrant electronic meter with an electronic metering device | |||
| 2 | The measuring principle | Ensuring a smooth curve of error, and increased value allowed congestion through the use of CT without the steel core and processing of current and voltage signals using technology developed by custom ASIC "Mark-Space-Amplitude" - MSA | High linearity, long-term stability of a wide dynamic range through the use of direct field sensor DFS, using the Hall effect and allowing to make a direct measurement of electric power meters ZMU \ Bxx | Measuring current and voltage transformers with vysokolineynyh followed by the ADC conversion and calculation parameters | Measuring current and voltage transformers with vysokolineynyh without steel core, followed by the ADC conversion and calculation parameters |
| 3 | The number of measured values | 6 | 4 | 4 | 6 |
| Active and reactive energy in 2 directions | 4 | 4 | no | Yes | |
| Information from external sources in the form of chisloimpulsnom (electricity, water, gas, etc.) | 2 | no | no | 4 | |
| 4 | Number of computed values :: | Up to 6 | Up to 4; | Up to 4 | |
| Active and reactive power | Up to 6 | Up to 4 | Up to 4 | ||
| The total energy | Up to 1 | No | Up to 1 | ||
| The power factor cos | Up to 1 | No | Up to 1 | Up to 1 | |
| The summation of the measured and calculated values | yes | A | Yes | ||
| Comparison of 2-values,% | yes | A | Yes | ||
| 5 | Class of accuracy: | ||||
| Module active energy | 0,2 s-0.5s | 0,2-0.5 | 0.5s | ||
| Reactive power module | 1,0-2,0 | 1.0 | |||
| 6 | Connecting, current inputs | Direct connection (100A) \ in instrument transformers (1A \ 5A) | by measuring transformers (1A \ 5A) | ||
| 7 | Measuring the information in the form of chisloimpulsnom | Up to 2 digital inputs | No | Up to 4 digital inputs | |
| 8 | Rated voltage, V | 100 \ 220 \ 380 | |||
| 9 | Circuit, the nominal current, I n | ||||
| In the direct inclusion of | 120 A \ 65A | Up to 100A | - | ||
| When the transformer turn | 1A \ 5A | ||||
| Measuring range,% I n | 1% -200% | 5% -200% | 1% -150% | ||
| Load capacity: | |||||
| Measuring | 10A | ||||
| thermal | 12A | ||||
| short 0.5 | 20hImaks | 10hImaks | 20xInom | ||
| 10 | Nominal frequency | 50Hz + \ - 5% | |||
| 11 | Calibration interval, years | More than 15 years | 8 | ||
| 12 | Display | Liquid crystal display (LCD), interchangeable with additional characters | |||
| 13 | Life | More than 15 years | 30 years | ||
| 14 | Number of digits | 4 \ 7 \ 8 | 4 \ 7 | 3 \ 6 | line * 16 character cells |
| 15 | The height of the sign, mm | 12 | 8 | 8 | 5 |
| 16 | Number of registers load (demand) | 8 | 2 | ||
| 17 | Registers of state (energy, load, input, output, the presence of phase feeding) | 6 | Partially | ||
| 18 | Calendar clock \ timer | Real-time clock used for billing purposes and the imposition of temporary tags on the measurement results and emerging emergency situations | |||
| 19 | The accuracy of the clock-controlled quartz, s \ day | IEC 1038, 10 ppm over the entire temperature range. 0.43 s \ day | ? 5 ppm (0.43sek \ day) | 32.768 kHz quartz | 0.5 s \ day |
| 20 | Duration of work on the backup power supply, lithium battery | 5 years | 1 year | 5 years | 9 years |
| 21 | Synchronizing the internal clock | Quartz \ Network \ external | Quartz \ external | ||
| 22 Tariff functions | |||||
| The number of tariff zones | Up to 15 | Up to 8 | 4 | Up to 8 | |
| The number of variants of the daily rate (spring, summer, autumn, winter + holidays + days off) | Up to 10 | 2 (winter, summer) | Up to 15 | ||
| The number of variants of tariff schedules | From 5 to 15 choices of tariff zones of up to 10 options on 8 tariff zones | 12 | |||
| Number of seasons | 6 | 4 | 2 | 12 | |
| The number of holidays and weekends | 120 | There are | No | 32 | |
| Number of energy registers | 12 | 8 | 6 | ||
| Number of registers load | 8 | 4 | |||
| Register cos | ` | no | A | Up to 1 | |
| The depth of the archive register | 15 archived values | Not documented | Up to 128 days | ||
| The period of integration, 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 | |
| Way to control rates | External Control \ from built-in clock and calendar | From built-in clock and calendar | From built-in clock and calendar | ||
| 23 | Graphs of load measured or calculated values | For 4 values | For the eight variables | For 4-channels | For 4 velechin |
| Accumulation period, min. | 1,2,4,5,10,15,30,60 min. | 1,3,5,10,15,20,30 | |||
| The volume of recorded information (number of graphs \ accumulation period \ the 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) | |
| Read the information | Visually, the serial port (optical \ electric) | Visually, the serial port (optical \ electric), a parallel port. | |||
| 24 Interfaces electronic counter: | |||||
| To enter information: | |||||
| Availability of inputs for measuring the input of information about energy resources in the form of chisloimpulsnom | Up to 2 inputs (24V, over 10mA, frequency of less than 20 Hz, pulse duration of at least 25msek) | No | Up to 4 inputs (24V, over 10mA, frequency of less than 20 Hz, pulse duration of at least 25msek) | ||
| To display information: | |||||
| E-.nye relay for the formation of the output pulses are proportional to the measured values, control and signal | 0,1,2,3,4 output pulse duration is programmable per kWh | Up to 8 outputs (24V, more than 10mA, frequency of less than 20 Hz, pulse duration of at least 25msek) | |||
| IRPS, "current loop" | No | 1.5 km 300-19200 bps, the poll> 1 times per hour | Yes | ||
| RS-232 | Standard MKTTV24, 4-wire, electrical isolation,? 9B, to 19200 baud | 1.5 km, 1200-19200 baud | 15 m, 300-36000 bps | ||
| RS-232 multipoint (multipoint) | Up to 4 meters to one modem | No | |||
| The serial interface is "current loop" RS-485 | IEC 1107, a passive 2-wire current loop, isolation, 20mA, up to 9600 bps, connect up to 4 meters | Using standard commands are formatted (according to IEC 1107), 20 mA, 27 V | 1.5 km, combines up to 32 meters, 1200bod - 19200bod | 2 km, combines up to 32 meters, 300bod - 19200bod | |
| Built-in Modem | Compliance with the requirements of CCITT, (300, 600, 1200, 2400) baud. Profiles, "Answering Machine" and "Autodial" | No | no | ||
| Optical communication port | IEC 1107 and 300 baud - 19200 baud, RS-232, 2 m | IEC 1107 and 300 baud - 24000 baud, RS-232, 2 m | |||
| Data security at power failure | Unlimited time, flash - Memory | Up to 5 years if the battery | Unlimited time, flash - Memory | ||
| 25 | Hardware Platform counter | Processor ST90R50, 11,0592 MHz, ROM - 128kbayt, address bus - 17 bit., Data - 8 bit., Flash - memory - (8-64) KB, custom measuring MSA-scheme | The implementation of MSA technology on analog processors, flash - Memory | Specifically designed for counter microcontroller and ASIC measure containing a programmable digital signal processor with three built-in ADC | Microcontroller and VLSI measurement containing a programmable digital signal processor with three built-in ADC, processor, flash - Memory |
| 26 | Self-test meter | Once a day | 30 min interval | ||
| 27 | Protection of commercial information | 3 levels of passwords, plus the hardware lock | 2 levels of passwords, plus the hardware lock | ||
| 28 | Additional features of individual models in the series of counters | Quantum Q1000 meter provides a measurement of current, voltage, and power of the phases, the measurement of phase-angles, an indication of the source of harmonic distortion | Counter "Alpha plus" is able to measure current, voltage, and power of the phases, the phase shift angle measurement, the measurement of the frequency of the network, an indication of the source of harmonic distortion | Counter COE 6850 provides a measure of current, voltage, and power of the phases, the phase shift angle measurement, the measurement of the frequency of the network, an indication of the source of harmonic distortion | |
| 29 | Characteristics of the manufacturer | Company Shlumberger - transnational corporation with headquarters in New York with offices in Australia, Canada, UK, Singapore, South America, South Africa and Europe. Manufacturers of measuring equipment in Europe - Companies in Germany, France, Austria and Hungary. | Company Landys & Gyr - a Swiss company, part of the group Elektrovatt Group, whose membership is comprised of about 40,000 employees. The area of joint cooperation - the production of means, accounting systems and energy management. | The plant produces ABB VEI Metronica counters in Russia (Moscow) under the license and of the components of ABB Power T & D, United States | JSC Concern Energomera - the leading Russian enterprise in the development and manufacture of electronic counters and metrology equipment. In the domestic market and markets of the CIS since 1995 in the Concern of the plant consists of 4 and 3, the electrical industry specialized in size. |
| 30 | Year of the firm | 1878. (120 years) | 1896. (102 years) | , 1994. | , 1995. |
| 31 | Number of employees | 51,000 | 16,000 | - | - |
| 32 | Annual sales in Europe | $ 2779 million | |||
| 33 | Being in the Register of measuring instruments in Ukraine | Number U805-97 1.08.97g. | ZB - № 94, U284-1.09.94g. ZU - № 94, U285-1.09.94g | Number U452-95 1.08.95g. | All the products included in the state register of Concern Ukraine 12.10.2001g. |
| 34 | Power consumption meter | Less than 3.4 VA | Less than 3.6 VA | Less than 6 VA | |
| 35 | Dimensions | 178h69h368, 5 mm | 262h180h180mm | 177 * 282 * 85 | |
| 36 | Weight, kg | 1.6 | 1.6 | 3 | 3 |
| 37 | Degree of protection | Dust, water, protection IP52 | |||
| 38 | Electromagnetic compatibility | According to IEC 687 and MEK1036 | |||
| 39 | Operating temperature range 0 C | -30 0 C 0 C ... 60 | -20 0 C 0 C ... 50 | -40 0 C 0 C ... 60 | -25 0 C 0 C ... 55 |
| 40 | Power requirements, reserve, etc. | 3-phase power supply | Is operational if at least one phase, the ability to connect an external source of backup power. | ||
| 41 | Service life, years | Not less than 20 | Not less than 24 | 30 | 30 |
| 42 | Manufacturer's Warranty | 12 months | 3 years | 3 years | |
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