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Interconnection System

Large power center, on a 100 MW interconnection systems generally operate within. In the center there are many interconnected system of electricity and a lot of the load center (called the substation / GI) are connected to each other by a transmission line. In each there is the burden of GI distribution network that caters to consumers of electric power. ...

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Levels of Carbon Iron Castings

Carbon elements will normally appear in the cast iron in the process of slowly cooling depends on the structure of cast iron itself, among other things: 1) If the iron be in solid solution in which the structure is ferrite. cast iron with this strutur usually slightly absorb carbon. 2) Under conditions where the iron to form a combined structure ...

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Fine and Coarse Aggregate Materials

Aggregates are granular minerals that when mixed with portland cement concrete will result. Judging from the origin of the material, the aggregate consists of two kinds, namely aggregate natural stone and artificial aggregates. For natural rock aggregate, based on its size divided into 2 types, namely fine aggregate (sand) and coarse aggregate (gravel or kricak / crushed stone). In the ...

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Gypsum Mold Making Process

1 Determine the line for the   models to determine the parts of the   plaster mold and define the hole   foundry for pouring the slip   clay. Do it right   in order to avoid bearing on the   time of printing. 2 Make the backing on the model   animals using clay   plastic according to the ...

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Main Problems Electric Power Generation

Electricity generation process in principle is the conversion of primary energy into mechanical energy which serves as a driving force and the driving force (mechanical energy) is converted to an electric generator into electricity. In the conversion process issues inevitably arise. Problems arising in the energy conversion poses are: 1. Provision of Primary Energy Primary energy for a thermal power ...

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Ceramic Flooring

Before installing ceramic tile over a concrete floor base, there are some things that should diperhatiakn and done, namely to accurately calculate the required ceramic tiles. Draw a picture of the design patterns and lane floor mounting (horizontal, vertical or diagonal wide space) to help calculate in detail the needs of the ceramics (exaggerating about 5% for the supply, installation ...

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