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  • What are the skills of using pressure relays

    2022-05-13

    The pressure relay can sense the pressure of the system and send a switch signal. When the pressure is reached, the normally open contact closes and the normally closed contact opens. We can use it pr...

  • What is the principle of shunt detection of DC current

    2022-05-07

    A shunt is built on the principle of detecting a voltage across a resistor when a DC current is passed through it. The shunt is a direct detection method, and the upper limit of the measured current i...

  • What is the difference between several current measurement method

    2022-04-29

    There are many methods of the current measurement. Each method is suitable for different occasions, and each method has its own characteristics. This article introduces several common current measurem...

  • What is the principle and function of the shunt

    2022-04-21

    The principle of the shunt The shunt is made according to the principle of generating a voltage across the resistor when the DC current passes through the resistor. The shunt is actually a resistor wi...

  • What is the role of the main components of a power transformer

    2022-04-15

    The power transformer is the most important equipment in the power system. It uses the principle of electromagnetic induction to convert alternating current energy of one voltage level into alternatin...

  • What is the cause of transformer noise

    2022-04-08

    Transformer noise is the sum of mechanical noise and air noise caused by irregular, intermittent, continuous, or random noise generated by the transformer body and cooling system during the design, se...

  • How to choose a suitable magnetic latching relay

    2022-04-02

    (1). First understand the necessary conditions ① The power supply voltage of the control circuit, the maximum current that can be provided; ②The voltage and current in the controlled circuit; ③ How ma...

  • What are the pros and cons of shunts and hall sensors

    2022-03-24

    Shunt advantage: To measure a large DC current, such as tens of amperes, or even larger, hundreds of amperes, what should I do if there is no ammeter with such a large range for current measurement? T...

  • What shunts are on the market

    2022-03-17

    Shunts are available in metal film and full metal versions. Advantages and disadvantages of metal thin film resistors: Pros: Significantly cheaper Cons: They have lower temperature coefficient perfor...

  • What are the advantages of using shunts for current measurement

    2022-03-10

    Using a shunt to measure current is a simpler and more cost-effective alternative to using a sensor for current measurement. However, shunts are precision measurement devices and many things need to b...

  • How a shunt works

    2022-03-04

    1. The role of the shunt  It is used to expand the measuring current range of the instrument, and it is used for current limiting and current sharing sampling detection in the loop of the instrument, ...

  • How to use a shunt

    2022-02-23

    1. How to use the shunt Select the rated voltage drop specification of the shunt according to the mV number marked on the dial of the ammeter (or current-voltage dual-purpose meter) used (75mV or 45mV...