A hall effect current sensor allows non-contact detection of direct and alternating currents, using a hall element, a magnet-electric converting element.This minimizes power loss of the target current circuit and has a simple structure with high reliability.We offer a wide range of models that can detect current between 1A and 5000A. Our product lineup responds to an array of needs as a top maker taking pride in our level of success in the fields of industrial and automotive devices.We can also make customized products that match the requests of customers. Please feel free to make inquiries. Operating PrincipleThe HC Series offers open-loop current sensors that directly detect magnetic fields generated by the target current.This type of sensor have a hall element that is fit inside a gap in the core that surrounds the current bus. This hall element detects the magnetic field generated by the target current (I) and converts it into a voltage.Features Simple construction, small and reasonably-priced Low current consumption The HS Series offers closed-loop current sensors that run feedback current in the secondary winding in such a way that the magnetic field generated by the target current is constantly made zero.The core has a gap, in which a hall element is inserted. In addition, it has a secondary winding (N turn) to cancel out the magnetic field generated by the target current (I).Since the feedback circuit runs reverse current (I/N) in the secondary winding in such a way that output of the hall element is constantly made zero, converting this feedback current into voltage with a load resistor (RL) provides output in proportion to the target current. Features High accuracy (high linearity and small temperature drift) Wide band and high-speed response In the use of FA equipment, current sensors play an extremely important role in power factor control and torque control in operating adjustable-speed motors for general-purpose inverters and NC machine tools, and overcurrent destruction protection of inverter switching elements.For power conversion use, hall effect current sensors, which offer excellent high speed response, play an important role in phase control and overload current detection for commercial frequency wave conversions of engine power generators, UPS, solar power generation and fuel cells. Features Superior frequency response. Circuit board equipped type and screw clamp-type are available. Customers can choose according to their installation structures. Low-back type and ultra-thin type available, which are not restricted by installation space. Provides excellent overcurrent capacity. Applications General-purpose inverters, servo drivers, NC machine tools, robots Elevators, electric generators, power supply equipments, UPSs, home electric appliances Engine power generators, solar power generating system, cogeneration systems, wind power generation system, fuel cell systems,medical equipment, etc. For automobiles, sensors are used for controlling motor drive, direct current conversion control of motor regenerative current and detecting charged and discharged current of batteries of electric automobiles and hybrid cars, which play a very important role as core parts of control.In particular, current sensors for automobiles guarantee high reliability by conducting a 100% temperature cycle test in addition to adopting highly reliable parts. Customized products can be made corresponding to configurations and specifications requested by customers. Features Quality and reliability suitable for automobiles are secured. Products for harness specifications of power sources and output lines can be made. Customized products can be made corresponding to configurations and specifications requested by customers. Offers superior frequency response and optimum protection from overcurrent destruction of inverter switching elements. Applications Hybrid vehicles, concurrently using an engine and electricity, electric vehicles and fuel cell vehicles Electric forklifts, golf carts and battery-operated riding carts for the elderly Electric railways, etc.
A hall effect current sensor allows non-contact detection of direct |
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The model XQ20 clamp on current sensor is suitable for 200A cable online measurement, the user friendly shape make It easily clamp onto cables or bus bars, no need to interrupt the power supply and disconnect the circuit in testing, easy to carry and especially suitable for ...
Come From gfuvegroup