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产品名称
NDHGY-5 electronic transformer simulator
Affiliate classification
Digital substation detection class
Quantity
-
+
Product description
Product parameters
Reference standards: IEC61850, GB20847, 8-2007.
Features:
● It can simulate the digital mutual signal of the electronic mutual salter, the optical fiber transformer and the magneto-optical glass transformer to the MU to realize the integrated test of the MU-protection device;
● Support single-phase voltage and current transformer, three-phase voltage transformer, three-phase current transformer, three-phase voltage and current transformer, collector voltage cascade five kinds of protocol modes;
● NDHGY-5 can receive optical digital sampled value messages sent by electronic mutual salt, optical fiber transformer and magneto-optical glass transformer, and analyze waveform, RMS, double AD and harmonics.
Main parameters: instrument
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Function parameter
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With 3 transmit optical serial ports, 1 receive optical serial port
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SMV transmission time uniformity is less than 100 ns
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SMV transmission RMS error is less than 0.05%, phase angle error is less than 0.01°
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State sequence time control resolution 10ns, time error <100ns
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SMV Sample value
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Voltage range
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0.01～2Ue
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Voltage accuracy
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Better than 0.05%
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Phase accuracy
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Better than 0.01°
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Frequency accuracy
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Better than 0.002Hz
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Key words
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