7/30/2020 0 Comments Guide to High Current Sensors Current sensors are devices that are used to determine the current that is running through a wire. These current sensors achieve this through magnetic fields that detect the current then generate an output proportional to the current. High current sensors are important in that they help us measure current in a passive way, without interfering with the circuit in any way. High Current Sensor are useful in a variety of instances. For example, they are essential in sub-metering as a way to measure energy usage by different tenants separately. Additionally, big facilities can use them to regulate their energy usage and therefore keep the costs down and improve on efficiency. With the advancement in our technology, current sensing is an efficient method to not only monitor but also enhance performance. The working of Hall Effect Sensor is all dependent on the magnetic field created around the conductor when current flows a conductor. This magnetic field helps current transformers to measure the current flow. Ideally, current sensors are just there to detect current without any interference with the circuit. However, there are sensors that can step-up or step-down the current, often referred to as transformers. People often wonder if there is any significant difference between current sensors, current transducers and current transformers. Although these terms are often used interchangeably, there is some notable difference technically. The reason the difference between them is not so glaring is most probably because they are all used to measure current and basically operate using the same principles. Generally, current sensor is a term used for all devices that sense and measure current. Current transformers, on the other hand, step-down current in order for it to be monitored in a safe, efficient manner. Current transducers are quite different from these two. Their essential function is to convert one input into a different output. There are various types of current sensors to choose from. Closed-loop sensors are among the most efficient ones. The top advantages of closed-loop sensors are high linearity, relatively fast response and also low temperature drift. Additionally, this sensor is one of the most immune to electrical noise. When looking for a current sensor, transformer or transducer, the VA rating is also important to keep in mind. In general terms, the VA rating is the indication of the amount of power that can be produced by a CT. There is a wide variety of current transformer manufacturers that you can choose from. They differ slightly in terms of conventions so it is best if you know what you need beforehand. You can get more enlightened on this topic by reading here: https://en.wikipedia.org/wiki/Hall_effect_sensor.
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