Design of the plant power supply system

KSU them. A. Baitursynov. Kostanay / Kazakhstan. 2012
Calculation of electrical loads.
Determination of the design loads of buildings.
Construction of cartograms of electrical loads.
Determination of the center of electrical loads of the enterprise.
The choice of the internal power supply scheme.
Determining the number of transformer substations.
The choice of the internal power supply scheme.
The choice of internal power supply voltage.
Definition of design loads.
Reactive power compensation.
The choice of power transformer TP-10 / 0.4 kV.
The choice of CR sections - 0.38 kV, taking into account the technical and economic comparison of options.
Selection of CL sections - 10 kV in the system of internal power supply.
Selection of external power supply.
Selection of external power supply.
Technical and economic comparison of external power supply options.
Selection of the optimal section of the power line 110 kV.
Calculation of short circuit currents.
Inspection of equipment under the conditions of work in the mode of short circuit.
Selection of circuit breakers with voltage above 1000 V.
Selection of current transformers.
Selection of voltage transformers.
Selection of disconnectors.
Selection and inspection of tires.
Selection of auxiliary transformers.
Selection of arresters.
Selection of zero sequence current transformers.
Selection of 0.38kV circuit breakers.
Checking the cable cross-sections for thermal resistance to short-circuit currents.