Dc To Ac Solar Inverter 1000w-6000w

FI series :dc to ac solar inverter 1000w-6000w

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current density

Current density is a measure, defined in the form of a vector whose direction is the direction of the current and whose magnitude is the current per unit cross-sectional area. Using the International System of Units, the unit of current density is "amps/meter2". The definition formula is: where Dk is the current density in A/m2, I is the current intensity in A, and S is the total area of the negative (or positive) electrode, m2.

expression

The ratio of the amount of charge Q passing through the cross-section of the conductor to the time t used to pass these charges is called the current, also called the current intensity. That is, I=Q/t. If the amount of charge passing through the cross section of the conductor in 1s is 1C, the current in the conductor is 1A.

The microscopic quantity that determines the magnitude of the current: select two sections B and C on a section of conductor AD with a uniform thickness to which a voltage is applied, set the cross-sectional area of the conductor to be S, and the number of free charges per unit volume of the conductor to be n. The charge amount of the charge is e, and the directional movement rate of the charge is v, then all the free charges between the two sections B and C separated by vt in time t will pass through the section C. From (I=ΔQ/Δt), I=nesv can be obtained

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