POWER QUALITY ANALYZER iMC770 Frequencies range from 16 Hz to 400 Hz

时间： 2022-07-13 来源：ISKRA

技术问答

ISKRA's iMC770 POWER QUALITY ANALYZER is an important device for permanent monitoring of power quality from its production (especially renewable), transmission, and distribution to final consumers, who are most affected by insufficient quality of voltage.

Lack of information about the supplied quality of voltage can lead to unexplained production problems and malfunction or even damage to equipment used in the production process. Therefore, iMC770 can be used for utility purposes (evaluation against standards) as well as for industrial purposes (monitoring supplied power quality).
iMC770 Power Quality Analyzer performs measurements in compliance with regulatory requested standard EN 61000-4-30 and evaluates recorded parameters for analysis according to parameters defined in European supply quality standard EN 50160:2011.

iMC770 stores measurements and quality reports in internal memory for further analysis over recorded measurements. By accessing recorded or real-time values from multiple instruments installed in different locations it is possible to gain the overall picture of systems’ behavior. This can be achieved regarding iMC770 accurate internal real-time clock and NTP synchronization support, which assure accurate, time-stamped measurements from dislocated units.

All required measurements, weekly PQ reports, and alarms can also be stored locally in internal memory. Stored data can be then transferred to a memory card or accessed through communication for post-analysis.

Features

Evaluation of the electricity supply quality in compliance with EN 50160 with automatic report generation.
Measurements of instantaneous values of more than 140 quantities including harmonics, flicker, power line signaling voltage, unbalance, etc..
Class A (0.1%) accuracy in compliance with EN 61000-4-30.
Four quadrant energy measurement with class 0.5 S or 0.2 S for active energy (8 programmable energy counters, up to four tariffs, tariff clock, etc.).
Automatic range selection of 3 current and 4 voltage channels (max. 12.5 A and 1000 VTRMS) with 32 kHz sampling rate.
Recording all measured parameters including all voltage and current harmonics up to 63rd, 32 adjustable alarms, anomalies, and quality reports in the internal memory.
Measurements of 40 minimal and maximal values in different time intervals (from 1 period to 256 periods).
Frequency range from 16 Hz to 400 Hz.
Up to three independent communication ports (RS232 or RS485 up to 115,200 bit/s, Ethernet, and USB 2.0).
MODBUS and DNP3 communication protocols.
Support for NTP real-time synchronization.
Up to 4 inputs and outputs (analogue inputs/outputs, digital inputs/outputs, alarm/watchdog outputs, pulse input/outputs, tariff inputs).
Multilingual support.
Universal power supply.
96 mm square panel mounting.
User-friendly setting and evaluation software, MiQen.
Extension unit with four configurable analogue outputs – EX104 (0.4 mADC … 20 mADC, 0 VDC … 10 VDC).

Applications

iMC770 Power Quality Analyzer can be used as a standalone PQ monitoring device for the detection of local PQ deviations. For this purpose, it is normally positioned at the point-of-common-coupling (PCC) of small and medium industrial and commercial energy consumers to monitor the quality of delivered electric energy or at medium or low voltage feeders to monitor, detect and record possible disturbances caused by (unauthorized) operation of consumers.

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本文由JWM转载自ISKRA，原文标题为:POWER QUALITY ANALYZER iMC770，本站所有转载文章系出于传递更多信息之目的，且明确注明来源，不希望被转载的媒体或个人可与我们联系，我们将立即进行删除处理。

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zwjiang Lv9. 科学家 2023-03-22

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