牌号 | Carpenter Temperature Compensator "32" (Type 1) |
厂家 | Carpenter Technology Corporation |
分类 | Iron |
介绍 | Carpenter Temperature Compensator "32" (Type 1) is a 32% nickel-iron alloy whose magnetic permeability decreases at a controlled rate with increase in temperature. It has been used in electrical circuits to compensate for the effect of variations in ambient temperature. This material could be considered for use in "shunt" applications. A shunt is a conductor joining two points in a magnetic line circuit and forming a desired circuit or path through which some of the magnetic lines pass. At low temperatures the magnet is strong but the shunt, having high permeability, diverts a portion of the "flux" (magnetic current) away from the gap. As temperature increases the pole strength of the magnet decreases, but the permeability of the shunt decreases so less flux is diverted through the shunt. If the shunt is properly designed, the flux in the gap can be held constant over a fairly wide temperature range, thereby compensating for temperature changes. Carpenter Temperature Compensator "32" (Type 1) has been especially useful where compensation is required over a wide range of temperatures and particularly at high temperatures as in the shunt used in automobile voltage regulators which are located close to the engine under the hood. Applications: In addition to having been used in voltage regulators, Carpenter Temperature Compensator "32" (Type 1) has also been used as shunt material in tachometers and speedometers which must maintain accuracy over a wide range of temperatures. |
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