Electric Power Consumers and Power

Electric Power Consumers and Power SystemsAll electric power consumers are divided into groups with common load characteristics. To the first group belong municipal consumers with a predominant lighting load: dwelling houses, hospitals, theatres, street lighting systems, mines, etc.To the second group belong industrial consumers with a predominant power load (electric motors): industrial plants, mines, etc.To the third group belongs transport, for example, electrified railways. The fourth consists of agricultural consumers, for example, electrotractors.The operating load conditions of each group are determined by the load graph. The load graph shows the consumption of power during different periods of day, month, and year. On the load graph the time of the maximum loads and minimum loads is given.Large industrial areas with cities are supplied from electric networks fed by electric power plants. These plants are interconnected for operation in parallel and located in different parts of the given area. They may include some large thermal and hydroelectric power plants.The sum total of the electric power plants, the networks that interconnect them and the power utilizing devices of the consumers, is called a power system. All the components of a power system are interrelated by the common processes of protection, distribution, and consumption of both electric and heat power.In a power system, all the parallelly operating plants carry the total load of all the consumers supplied by the given system.The building up of a power system is of great importance for the national economy. An economical utilization of the power plant installations and of the sources of power is achieved by interconnected operation of a series of power plants in a common power distribution system.

Результаты (узбекский) 1:

Elektr Iste'molchilar va Power Systems

barcha elektr iste'molchilar umumiy yuk xususiyatlari bilan guruhga bo'linadi. Bir yuksak yoritish yuk bilan shahar iste'molchilar xosdir birinchi guruh uchun: turar joylar, shifoxonalar, teatrlar, ko'cha yoritish tizimlari, shaxtalar, boshqalar
bir yuksak kuch yuk bilan sanoat iste'molchilar (elektr motorlar) xosdir, ikkinchi guruh uchun: sanoat o'simliklar, minalar, boshqalar
uchun uchinchi guruh transport, masalan, elektrlashtirilgan temir yo'llar xosdir. To'rtinchi misol, electrotractors uchun, qishloq xo'jaligi iste'molchilari iborat.
Har bir guruhning faoliyat yuk sharoitlar yuk chizma tomonidan belgilanadi. Yuk grafik kun, oy va yil turli davrlarida energiyasi iste'mol ko'rsatadi. Yuk chizma maksimal yuk va minimal yuklarni vaqti beriladi.
Shaharlar bilan yirik sanoat hududlari elektr o'simliklar bilan oziklanadi elektr tarmoqlariga yetkazib berilmoqda. Bu o'simliklar parallel ishlashi uchun bir-biriga va shu sohada turli qismlarida joylashgan. Ular ba'zi yirik issiqlik va gidravlik elektr o'simliklar o'z ichiga olishi mumkin.
Elektr o'simliklar yig'indisi umumiy, tarmoqlar ulardan va iste'molchilar qurilmalar foydalanish quvvat bog'lanmoq deb, bir elektr tizimi deb ataladi. Bir kuch tizimi barcha komponentlar, ham elektr va issiqlik kuch muhofaza qilish, taqsimlash va iste'mol umumiy jarayonlari bilan uzviy bog'liq.
Bir kuch tizimida, butun parallelly faoliyat o'simliklar berilgan tizimi tomonidan taqdim etilgan barcha iste'molchilar umumiy yuk ko'tarib.
Bir kuch tizimi qurilish tashkil milliy iqtisodiyoti uchun katta ahamiyatga ega. Zavodga qurilmalarini va hokimiyat manbalarini iqtisodiy foydalanish keng tarqalgan elektr tarqatish tizimida elektr stantsiyalari bir qator bir-biriga jarayoni orqali erishiladi.