current temperature coefficient

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• Negative temperature coefficient — A negative temperature coefficient (NTC) occurs when the thermal conductivity of a material rises with increasing temperature, typically in a defined temperature range. For most materials, the thermal conductivity will decrease with increasing… …   Wikipedia

• Positive temperature coefficient — (PTC) refers to materials that experience an increase in electrical resistance when their temperature is raised. Materials which have useful engineering applications usually show a relatively rapid increase with temperature, i.e. a higher… …   Wikipedia

• Temperature Coefficient — (of a solar photovoltaic cell)   The amount that the voltage, current, and/or power output of a solar cell changes due to a change in the cell temperature …   Energy terms

• Temperature coefficient — (of a solar photovoltaic cell)   The amount that the voltage, current, and/or power output of a solar cell changes due to a change in the cell temperature.   U.S. Dept. of Energy, Energy Information Administration s Energy Glossary …   Energy terms

• Current limiting — is the practice in electrical or electronic circuits of imposing an upper limit on the current that may be delivered to a load with the purpose of protecting the circuit generating or transmitting the current from harmful effects due to a short… …   Wikipedia

• Coefficient — For other uses of this word, see coefficient (disambiguation). In mathematics, a coefficient is a multiplicative factor in some term of an expression (or of a series); it is usually a number, but in any case does not involve any variables of the… …   Wikipedia

• Inrush current — or input surge current refers to the maximum, instantaneous input current drawn by an electrical device when first turned on. For example, incandescent light bulbs have high inrush currents until their filaments warm up and their resistance… …   Wikipedia

• Inrush current limiter — An inrush current limiter is a component used to limit inrush current. Negative temperature coefficient (NTC) thermistors and fixed resistors are often used for this. Less often, other components are also used.The inrush current limiter is placed …   Wikipedia

• Charge transfer coefficient — Charge transfer coefficient, and symmetry factor (symbols α and β, respectively) are two related parameters used in description of the kinetics of electrochemical reactions. They appear in the Butler Volmer equation and related expressions. The… …   Wikipedia

• Physical coefficient — A physical coefficient is an important number that characterizes some physical property of a technical or scientific object. A coefficient also has a scientific reference which is the reliance on force. To find the coefficient of a chemical… …   Wikipedia

• температурный коэффициент тока (солнечного элемента) — — [А.С.Гольдберг. Англо русский энергетический словарь. 2006 г.] Тематики энергетика в целом EN current temperature coefficient …   Справочник технического переводчика