Smart Type Substation Special Energy Meter
Characteristic
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The metering port adopts simulation sampling measurement value (SMV) ST/SC type optical input interface, in compliance with IEEE802.3u, 100Base-FX protocols;
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The acquisition port adopts RS485 or RJ45 Ethernet (Optional), in compliance with DL/T645-1997/2007 or IEEE802.3u, 100Base-FX protocols;
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Dual-way redundant wide range power supply;
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Dot matrix LCD display, with intuitive, rich and flexible display content;
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Password setting for meter parameter protection;
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RS-485/attachable/far infrared communication interface;
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7．Compactable with IEC61850-9-1, IEC61850-9-2, EC60044-7 and IEC60044-8 standards.
Function
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Measurement of voltage and current of phases and components respectively, and the overall active power, reactive power, power factor and power grid frequency, as well as that of the phases and components respectively;
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Time-of-use forward and reverse active energy metering, four-quadrant and four-quadrant arbitrary combination reactive energy metering, with combination of 1 and 2 reactive energy metering function;
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6 Tariffs (configurable), with primary and secondary time frames, clock dual back-up, 12-month history records (configurable);
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Mbytes 8 types of history data records of voltage loss, full voltage loss, current loss, full current loss, voltage qualified rate and etc. (configurable), with capacity up to 4MB;
Parameters
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Item of technical parameters |
Item Content |
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Technical standards |
DL/T645-1997、GB/T17215-2002、GB/T17882-1999、GB/T17883-1999、DL/T614-1997 |
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Data service protocol |
IEC61850-9-1-1999, IEC61850-9-2-1999 |
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Accuracy Class |
Active: Class 0.2S and 0.5S; Reactive: Class 1; |
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Physical layer interface type: |
Electrical interface: RJ45 (10M/100M Self-adaptive) Optical interface: ST/SC（optical wavelength 1300nm, 100M）; |
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Overall power consumption |
<10VA |
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Reference frequency |
50Hz-60Hz |
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Operating power supply mode |
dual redundant external power supply (with one line switched in or both lines switched in at the same time); |
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Power voltage range |
AC (85~265V) or DC (100~300V); |
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Measurement pattern |
3-phase and 3-core, 3-phase and 4-core; |
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Operating temperature |
-25℃～+55℃ |
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Ultimate operating temperature |
-25℃～+65℃ |
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Relative humidity: |
≤95% (without condensation) |
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Overall dimensions |
L x W x H: 285mm×172mm×80mm |
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Net weight |
About 1.7kg; |
