Description of optical fiber channel for generic cablin […]
Description of optical fiber channel for generic cabling in data room
The series circuit composed of resistance r, inductance L and capacitance C is shown in the figure
i=Imsin ω t
Then the voltage drop generated at both ends of resistance r is ur=Umrsin ω T and ur=Ir
The voltage drop generated at both ends of the inductor is uL=LXL
The voltage drop generated at both ends of the capacitor is uC=IXC
According to the characteristics of the series circuit, the instantaneous value of the total voltage of the circuit is equal to the algebraic sum of the instantaneous value of the voltage drop of each part, namely
u=ur +uL +uc
1-3-26. If electricity passes through the circuit
If expressed as a vector, the vector of the total voltage is equal to the vector sum of the voltage drops of each part, i.e
When making the vector diagram of current and voltage in this series circuit, because the current in each part of the circuit is the same, the current vector is used as the reference, and the resistance voltage
The voltage drop is in phase with the current, and the inductance voltage drop is in advance. After the capacitance voltage drop,
The vector of the total voltage is equal to the vector sum of the voltage drops of each part
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