select a suitable underground cu, XLPE insulated cable to supply three phase , 400V , 100KW ,...
select a suitable underground cu, XLPE insulated cable to supply three phase , 400V , 100KW , 0.9 p.f lagging motor over 50m distance. Temperature and grouping derating factors are 0.8 , 0.9 resp. YDelta starter used.
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select a suitable underground cu, XLPE insulated cable to supply
three phase , 400V , 100KW ,...
A building takes a three-phase supply at 400 V with a declared prospective short circuit current of 30 kA at the intake switchboard. The cable installed between the intake switchboard and a remot...
A building takes a three-phase supply at 400 V with a declared prospective short circuit current of 30 kA at the intake switchboard. The cable installed between the intake switchboard and a remote distribution board has a circuit length of 100 m. The cable is PVC-insulated and has the following characteristics at 20 °C: 12.4 Phase conductor resistance 0.095 ma/m Phase conductor reactance 0.075 mO/m Conductor temperature coefficient of resistance 0.004 per c Connected to the remote distribution board is...
pleas help me in this do any question you know using National Electrical Code 2011 Applied Electricity NEC...
pleas help me in this do any question you know using National
Electrical Code 2011
Applied Electricity NEC worksheet t hree Copper conductors with THHN insulation run in Electrical A branch-circuit Consther conductors. The conductor terminations are rated for a maximum ure in the area of this installation is not expected to exceed 30C size 8 AWG, the maximum ampacity of the conductors If the conductors for this circuit are permitted A 40 amperes. B. 50 amperes. to be used...
summarizr the followung info and write them in your own words and break them into different...
summarizr the followung info and write them in your own words and break them into different key points. 6.5 Metering Chamber: 6.5.1 The minimum size of the metering box is governed by the metering area required to obtain a representative test area for the specimen (see 7.2) and for maintenance of reasonable test accuracy. For example, for specimens incorporating air spaces or stud spaces, the metering area shall span an integral number of spaces (see 5.5). The depth of...
summatize the following info and break them into differeng key points. write them in yojr own...
summatize the following info and break them into differeng key points. write them in yojr own words
apartus
6.1 Introduction—The design of a successful hot box appa- ratus is influenced by many factors. Before beginning the design of an apparatus meeting this standard, the designer shall review the discussion on the limitations and accuracy, Section 13, discussions of the energy flows in a hot box, Annex A2, the metering box wall loss flow, Annex A3, and flanking loss, Annex...
A building takes a three-phase supply at 400 V with a declared prospective short circuit current of 30 kA at the intake switchboard. The cable installed between the intake switchboard and a remote distribution board has a circuit length of 100 m. The cable is PVC-insulated and has the following characteristics at 20 °C: 12.4 Phase conductor resistance 0.095 ma/m Phase conductor reactance 0.075 mO/m Conductor temperature coefficient of resistance 0.004 per c Connected to the remote distribution board is...
pleas help me in this do any question you know using National
Electrical Code 2011
Applied Electricity NEC worksheet t hree Copper conductors with THHN insulation run in Electrical A branch-circuit Consther conductors. The conductor terminations are rated for a maximum ure in the area of this installation is not expected to exceed 30C size 8 AWG, the maximum ampacity of the conductors If the conductors for this circuit are permitted A 40 amperes. B. 50 amperes. to be used...
summatize the following info and break them into differeng key points. write them in yojr own words
apartus
6.1 Introduction—The design of a successful hot box appa- ratus is influenced by many factors. Before beginning the design of an apparatus meeting this standard, the designer shall review the discussion on the limitations and accuracy, Section 13, discussions of the energy flows in a hot box, Annex A2, the metering box wall loss flow, Annex A3, and flanking loss, Annex...
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