ModelCT05-/ Name Precision Current Transformer(Special) Precision
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Precision Current Transformer(Special)
ModelCT05-/ Name Precision Current Transformer(Special)
Precision Current Transformer Protection Special Protection
Features endures temperature. Epoxy resin filled enveloped, good isolation antiimpact capacity.
Small volume nice externality. Insert needle style lead sealed circuit board directly.
Wide linearity range good consistency. Model specification
Performance index
Nonlinearity 0.1%
Phase shift RL=0 after compensation
Linearity range
Load resistance
5A/0.35mA
Isolated voltage durance
Working temperature
Storage temperature
5kV/min
-4065
-6075
Operation method CT05 precision current transformer special protection. designed specially according relay protection characters. Rated input current Rated output current 0.35A. Linearity range reach 150A. time converting current output signal into voltage signal, circuit picture commended. Adjust feedback resistor demanded voltage output. Capacitor 1000pF, which filter coupling. Choose corresponding operation amplifier according accuracy demand, commending OP07 series. Amplifier power +15V +12V, normally. Special condition could choose others power, too. feedback resistor need accuracy excelled temperature coefficient excelled 50PPM. commended circuit applies input single polarity conversion after little change single power supply method. Output convert into voltage signal parallel connection resistor, connecting with operation amplifier. circuit showing picture premises resistance less than output voltage less than 150mV. this time, there would output voltage signal, whose non-linearity exceeding 0.1%. Compared with circuit picture lessen transformer linearity range augment phase shift. temperature could influence evidently output.
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