Textbook for Operation and Maintenance Engineer of Power and Environment Specialty of Data Center - Composition of complex DC circuit server rack China

Textbook for Operation and Maintenance Engineer of Power and Environment Specialty of Data Center - Composition of complex DC circuit server rack China

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1Complex DC circuit refers to a circuit composed of two or more power supplies. It cannot be converted into a series parallel circuit, so it cannot be calculated by simple Ohm's law. It must be calculated by branch current method, loop current method, equivalent generator principle and other methods to solve the parameters in the circuit. For example, Figure 1.2-5 (a) looks very complex, But it can be simplified into a single series circuit by series parallel connection, so it is a simple circuit; Figure 1.2-5 (b) looks simple, but it cannot be simplified into simple circuits, so it is called complex circuits..Intelligent micro module data room server rack network rack network cabinet wall mounted cabinet open rack rack accessories rack tray blank plate gasket wire mesh cable tray basket cable tray perforated cable tray cable ladder PDU

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It can be seen from the above formula that if the current flowing into the node is specified as "+", the current flowing out of the node is specified as "-"

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For any node in the circuit, the algebraic sum of the current flowing into (or out of) the node is equal to zero. This is Kirchhoff's first law.

1.2.3.2 Kirchhoff's second law (loop voltage law)Server Rack Network Rack Network Cabinet Wall mounted Cabinet Open Rack Rack Accessories Rack Tray Blank Plate Gasket Wire Mesh Cable Tray Grid Cable Tray Basket Cable Tray Perforated Cable Tray Cable Ladder subzero cold aisle containment cold aisle containment system hot cold aisle data center cold aisle china containment price hot aisle containment vs cold aisle containment intelligent data center magazine what is intelligent data center  canovate smart server rack  emerson smart server rack server rack network rack Network cabinet wall mounted cabinet Open Racks Frame rack accessories rack tray blank panel spacer

A circuit composed of many branches is called a network, and any closed path in the network is called a loop. In a closed circuit, if it makes a detour in any direction, the algebra of all electromotive forces in the circuit is Σ E must be equal to all electricity in the circuit

Algebraic sum of resistive voltage drop Σ IR, the expression is:Σ E＝ Σ IR or Σ E＝ Σ U The electromotive force and voltage drop that are the same as the bypass direction are specified as positive values, and - 5 the electromotive force and voltage drop that are opposite to the bypass direction are specified as negative values. As shown in Figure 1.2-4, E1 － E2 in loop 1=I1R1 － I2R2, while E1 in loop 2=I1R1 ＋ I3R3.cold aisle containment cold aisle containment system hot cold aisle data center cold aisle china containment price hot aisle containment vs cold aisle containment intelligent data center magazine what is intelligent data center  canovate smart server rack  emerson smart server rack server rack network rack Network cabinet wall mounted cabinet Open Racks Frame rack accessories rack tray blank panel spacer

Textbook for Operation and Maintenance Engineer of Power and Environment Specialty of Data Center - Composition of complex DC circuit server rack China