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The on-load tap changer (OLTC) is the only moving part in a typical power transformer, it permits tap changing and regulating voltage without affecting the network operation. This frequently movements between transformer taps makes the OLTC components the most vulnerable, which implies regular testing and maintenance.
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Product Name
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TRANSFORMER TAP-CHANGER CHARACTERISTICS TESTER
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Transit Resistance
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0.3 ohm ~ 40 Gohm
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Application
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Testing transition time, transition ripple, transition resistance, three-phase synchronization of OLTC in transformer.
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Transit Time
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0 ~ 120 ms / 0 ~ 500 ms
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Accuracy
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± 0.1 dgt ± 0.2 ms
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Resolution Ratio
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0.01 ohm
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Sample Frequence
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10 kHz
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