Shunt is an instrument for measuring DC current. When the DC current passes through the resistance, a voltage is generated at both ends of the resistance, and it is made into a fixed-value low resistance generally used to expand the amount of current. Usually connected in parallel with the moving coil of the ammeter or galvanometer, there are two kinds of connection inside and outside the meter.
Shunts is made on the principle that a voltage is generated across a resistor when a DC current is passed through it. Shunts The shunts used for DC current measurement are slotted and non-slotted. The shunts have manganese-nickel-copper alloy resistance rods and copper strips, nickel-plated, and their rated voltage drop is 60mV, but they are also available as 75, 100, 120, 150, 300mV use. A shunt is a resistor that can pass a very large current. The commonly used 15A or 20A and 35A ammeters require a shunt
- Mechanical properties of resistance:Can withstand acceleration of 70 m/s ² and impact frequency of 6 hours of 80 to 120 beats per minute transport point earthquake.
- Heat load: Changes in temperature stabilized, does not exceed the rated current of 50A below 80 ºC; rated current of 50A above does not exceed 120 ºC.
- Battery management systems, power electronics current sensing, frequency converters, UPS, motor control and electronic load equipment.
- It can be used as a DC standard shunt in laboratories such as scientific research units, power supply units, factories, and measurement institutes.