Basic Electrical Installation Work

| Kategorie: Kniha  |

Strana 205 z 399

Jak získat tento dokument?






Poznámky redaktora
supply, alternating current supply. Rotating simple loop wire coils wire between the poles mag- net such that shown simplified Fig. circuit before going consider the practical circuits resistance, inductance and capacitance acting together. 10. .c. large Power Stations and distributed around the United Kingdom the National Grid the end user.c. Let first define some our terms of reference.c.Baisc Electrical Installation Work 194 Alternating current theory Commercial quantities electricity for industry, commerce and domes- tic use are generated a. In this section will first all consider the theoretical circuits pure resistance, inductance and capacitance acting alone a.c. supply generated Power Station exactly the same Fig. supply because easy change the voltage levels using a transformer. The d. Key Fact Definitions ● Try remember these a.1 Simple a.c. generator alternator. 10.c.c. The basic principle of the a.1 will cut the north south lines of magnetic flux and induce a. Cathode ray oscilloscope Rotation N S Carbon brushes Slip rings FIGURE 10.1 except that powerful electromagnets are used and the power for rotation comes from steam turbine. elec- tricity has many applications where portability emergency stand-by supply important but for large quantities power has an a.c. voltage the loop coils wire as shown the display cathode ray oscilloscope. This a. circuit definitions ● Write them down helps.c