Transformer Testing Equipment (ST9200 Series)

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Posting date : Oct 12, 2011

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MACHINERY & ELECTRICAL | Electrical

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85-

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Brief Introduction The equipment is in accordance with the requirements of JJG313-94 , JJG314-94 , DL/T668-1999< Calibration Device of Transformer for Measurement > and JJG169-93 etc. It is used for the testing of CT and VT under class 0.05, especially for current transformer of class S. ST9200 series products P products model ST9200 ST9200A ST9200B Products’ pictures Accuracy Class0.01, 0.02, 0.05 Structure Desk & Cabinet combination Control desk-worktable combination Desk type Remark Once wiring for 10 CT tested Once wiring for 1 CT tested Functions Fundamental error measurement of voltage and current transformer Demagnetization to the transformer under test Polarity automatic identifying Data memory and temporary saving RS232 communication port, data bidirectional communication Measurement value over-limited alarming, polarity adverse connection alarming and protection Features Automatic testing to current transformer of class S Automatic control to load switch of current transformer and voltage transformer via software, work efficiency high Equipped with our standard transformer, transformation ratio of which can be controlled via software, only once wiring for all measurement Both automatic testing and manual testing available External PC operation, or operating on the transformer calibrator of the equipment Adopting software self-calibration technology, stable, reliable and convenient Automatic dealing with data, canonical report form, measurement results management according to regulations and on-line with MIS system Specifications Calibrator measurement range and maximum resolution Transformer measurement range and maximum resolution Accuracy of transformer under test In-phase component In- quadrature component Measurement range （％） Resolution （％） Measurement range （’） Resolution （’） 0.01 0.02 ±0.9999 0.0001 ±9.999 0.001 0.05 ±99.99 0.01 0.1 ±9.999 0.001 ±99.99 0.01 0.2 0.5 ±9.999 0.001 5A 5A(S) 0.5A 150V 687.4 0.1 1.0 5A 5A(S) 0.5A 150V ±20.00 0.01 1A 100V 100/ 999.9 100V ±30.00 100 ±51.96 1A ±99.99 Impedance measurement range and maximum resolution Current range Measurement range（Ω） Max. resolution（Ω） 5A 1A 0.5A ±6.000 ±30.00 ±99.99 0.0001 Admittance measurement range and maximum resolution Current range: 0.5A, 1A, 5A, 5A（S） Voltage range: 150V、100V、100 V The range of current and current can also be defined according to the customers’ requirement. Standard transformer Current：（5-2000）A/5A、optional（5-2000）A/1A Voltage：10kV/100V、optional 35kV/100V This can also be defined according to the requirement of the customers. Adjustment fineness : coarse adjustment ≤0. 5%, fine adjustment≤0. 05% Power supply: 220±10%, frequency 50±0.5 Hz, waveform distortion≤0. 5%