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Dielectric Strength of Solid, Liquid, and Combined InsulatorsBog'liq YUQORI KUCHLANISH TEXNIKASI3.3. Dielectric Strength of Solid, Liquid, and Combined Insulators .... 109
3.4. Characteristics and designs of insulation of electrical
installations of stations and substations..........................................
119
10
3.5. The electric strength of the external insulation and the regulation
of its electric field................................................................................
131
3.6. Long-term electric strength of the internal insulation ..................
142
4.
INSULATION OF ELECTRIC TRANSMISSION LINES . ........
155
4.1. Overhead Power Line Insulation.....................................................
155
4.2. Selection of the number of insulators in a string of insulators of
an overhead power line …….……………………………………..
165
4.3. Voltage distribution along a string of insulators……………….....
172
4.4. The surface tension of single and split wires …………………….
178
4.5. Insulation of high voltage cables …………....................................... 187
4.6. Types of high-voltage cables ………….............................................. 196
5.
INSULATION OF ELECTRIC MACHINES AND MACHINES
206
5.1. Isolation of rotating electrical machines ……………….….……… 206
5.2. Types and designs of insulators of electrical machines …………
212
5.3. Isolation of power transformers …………………………………
220
5.4. Isolation of high-voltage capacitors ………….…………….……… 226
5.5. Types and capacities of capacitors ………………………….…….. 236
6.
PREVENTIVE TEST OF INSULATORS OF ELEMENTS OF
ELECTRICAL SYSTEMS…………………………………………
244
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