Power Electronics
Current Sensors and Transformers Have Wide Measurement Range

Current Sensors and Transformers Have Wide Measurement Range

API Technologies Corp. announced availability of its new 5300 series of current sensors and transformers that measure a wide range of AC currents by transforming them accurately from high to low measurable values.

API's 5300 series current sensors feature a wide primary current range of 3.5 Amps to 800 Amps, and are available in several types of current transformers, including low phase/high accuracy and high frequency. Current transformers have a wide operating frequency range of 20 kHz-100 kHz and can be totally encapsulated, with or without wound primary turns and loading resistor. All current sensors and transformers are built to meet the relevant UL, ANSI, VDE, CE, and MIL standards. In addition, API also offers EMRL current transformers which were designed to comply with standards for electrical and electronic measuring test equipment.

These current sensors and transformers are commonly used in applications such as advanced fault tolerant computers and workstations, metering, protective relays, control panels reading current flowing to electric transformer, ampmeters, wattmeters and cross current compensation, as well as telecom and communications.

Current sensors detect electrical current in a wire and generate a signal proportional to it, which is then utilized to display the measured current, or stored for further analysis in a data acquisition system. Similarly, current transformers are used to measure alternating electric currents. When current in a circuit is too high, a current transformer produces a reduced current that is accurately proportional, so it can be conveniently connected to measuring and recording instruments.

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