title: ÐÑÐ¸Ð½ÑÐ¸Ð¿ Ð¿Ð¾ÑÑÑÐ¾ÐµÐ½Ð¸Ñ Ð¸ ÑÐ°ÑÑÑÑ Ð²ÑÑÐ¾ÐºÐ¾Ð²Ð¾Ð»ÑÑÐ½Ð¾Ð³Ð¾ ÑÑÐ¸Ð»Ð¸ÑÐµÐ»Ñ ÐºÐ»Ð°ÑÑÐ° d Ð¿Ð¾ÑÑÑÐ¾ÐµÐ½Ð½Ð¾Ð³Ð¾ Ð¿Ð¾ Ð¼Ð½Ð¾Ð³Ð¾ÑÑÐµÐµÑÐ½Ð¾Ð¹ ÑÑÑÑÐºÑÑÑÐµ Ð¼Ð¾ÑÐ½Ð¾ÑÑÑÑ 50 ÐºÐÑ
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð±Ð°ÐºÐ°Ð»Ð°Ð²ÑÐ°
titleType: Subtitle
title: Principle of construction and calculation of a high-voltage amplifier of class d constructed by multi-cell structure with a power of 50 kW
Creators: name: ÐÐµÐ³Ð»Ð¾Ð², ÐÐ³Ð¾Ñ
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2020
Subjects: ÑÐ°Ð´Ð¸Ð¾Ð¿ÐµÑÐµÐ´Ð°ÑÑÐµÐµ ÑÑÑÑÐ¾Ð¹ÑÑÐ²Ð¾ (Ð ÐÐ´Ð£)
MOSFET-ÑÑÐ°Ð½Ð·Ð¸ÑÑÐ¾Ñ
ÑÐ»Ð¾Ð¶ÐµÐ½Ð¸Ðµ Ð¼Ð¾ÑÐ½Ð¾ÑÑÐµÐ¹
ÑÑÐ¸Ð»Ð¸ÑÐµÐ»Ñ ÐºÐ»Ð°ÑÑÐ° D
ÑÐ¸ÑÐ¾ÑÐ½Ð¾-Ð¸Ð¼Ð¿ÑÐ»ÑÑÐ½Ð°Ñ Ð¼Ð¾Ð´ÑÐ»ÑÑÐ¸Ñ
Ð¼Ð½Ð¾Ð³Ð¾Ð·Ð¾Ð½Ð½Ð°Ñ Ð¼Ð¾Ð´ÑÐ»ÑÑÐ¸Ñ
ÐºÐ¾ÑÑÑÐ¸ÑÐ¸ÐµÐ½Ñ Ð¿Ð¾Ð»ÐµÐ·Ð½Ð¾Ð³Ð¾ Ð´ÐµÐ¹ÑÑÐ²Ð¸Ñ (ÐÐÐ)
ÑÐ°ÑÑÐµÑ
radio transmitting device (RPDU)
MOSFET transistor
power addition
class D amplifier
pulse-width modulation
multi-band modulation
coeffi-cient of performance (COP)
calculation

description: Ð¢ÐµÐ¼Ð° Ð²ÑÐ¿ÑÑÐºÐ½Ð¾Ð¹ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð¾Ð¹ ÑÐ°Ð±Ð¾ÑÑÂ«ÐÑÐ¸Ð½ÑÐ¸Ð¿ Ð¿Ð¾ÑÑÑÐ¾ÐµÐ½Ð¸Ñ Ð¸ ÑÐ°ÑÑÑÑ Ð²ÑÑÐ¾ÐºÐ¾Ð²Ð¾Ð»ÑÑÐ½Ð¾Ð³Ð¾ ÑÑÐ¸Ð»Ð¸ÑÐµÐ»Ñ ÐºÐ»Ð°ÑÑÐ° D Ð¿Ð¾ÑÑÑÐ¾ÐµÐ½Ð½Ð¾Ð³Ð¾ Ð¿Ð¾ Ð¼Ð½Ð¾Ð³Ð¾ÑÑÐµÐµÑÐ½Ð¾Ð¹ ÑÑÑÑÐºÑÑÑÐµ Ð¼Ð¾ÑÐ½Ð¾ÑÑÑÑ 50ÐºÐÑÂ». Ð¦ÐµÐ»Ñ ÑÐ°Ð±Ð¾ÑÑ: ÐÐ½Ð°Ð»Ð¸Ð· Ð¿ÑÐ¸Ð½ÑÐ¸Ð¿Ð¾Ð² Ð¿Ð¾ÑÑÑÐ¾ÐµÐ½Ð¸Ñ Ð²ÑÑÐ¾ÐºÐ¾ÑÑÑÐµÐºÑÐ¸Ð²Ð½Ð¾Ð³Ð¾ (ÐÐÐâ93-95%) ÑÑÐ¸Ð»Ð¸ÑÐµÐ»Ñ ÐºÐ»Ð°ÑÑÐ° D Ð²ÑÑÐ¾ÐºÐ¾Ð¹ Ð¼Ð¾ÑÐ½Ð¾ÑÑÐ¸.ÐÐµÑÐ¾Ð´Ñ Ð¿ÑÐ¾Ð²ÐµÐ´ÐµÐ½Ð¸Ñ ÑÐ°Ð±Ð¾ÑÑ: Ð Ð°ÑÑÐµÑ Ð½Ð¾Ð¼Ð¸Ð½Ð°Ð»Ð¾Ð² ÑÐ»ÐµÐ¼ÐµÐ½ÑÐ¾Ð², Ð¼Ð¾ÑÐ½Ð¾ÑÑÐµÐ¹ Ð¸ Ð¼Ð¾ÑÐ½Ð¾ÑÑÐµÐ¹ Ð¿Ð¾ÑÐµÑÑ Ñ Ð¿Ð¾ÑÐ»ÐµÐ´ÑÑÑÐ¸Ð¼ Ð²ÑÑÐ¸ÑÐ»ÐµÐ½Ð¸ÐµÐ¼ ÐºÐ¾ÑÑÑÐ¸ÑÐ¸ÐµÐ½ÑÐ° Ð¿Ð¾Ð»ÐµÐ·Ð½Ð¾Ð³Ð¾ Ð´ÐµÐ¹ÑÑÐ²Ð¸Ñ. ÐÐ½Ð°Ð»Ð¸Ð· Ð¼ÐµÑÐ¾Ð´Ð° ÑÐµÐ°Ð»Ð¸Ð·Ð°ÑÐ¸Ð¸ Ð¿Ð¾ Ð¼Ð½Ð¾Ð³Ð¾ÑÑÐµÐµÑÐ½Ð¾Ð¹ ÑÑÑÑÐºÑÑÑÐµ. ÐÐ¾ÑÑÑÐ¾ÐµÐ½Ð¸Ðµ Ð¿ÑÐ¸Ð½ÑÐ¸Ð¿Ð¸Ð°Ð»ÑÐ½Ð¾Ð¹ ÑÑÐµÐ¼Ñ, Ð¿ÑÐµÐ¾Ð±ÑÐ°Ð·Ð¾Ð²Ð°Ð½Ð¸Ðµ ÐµÐµ Ðº Ð¼Ð½Ð¾Ð³Ð¾ÑÑÐµÐµÑÐ½Ð¾Ð¼Ñ Ð²Ð¸Ð´Ñ. ÐÑÐ±Ð¾Ñ Ð°ÐºÑÐ¸Ð²Ð½Ð¾Ð³Ð¾ ÑÐ»ÐµÐ¼ÐµÐ½ÑÐ°.Ð ÐµÐ·ÑÐ»ÑÑÐ°ÑÑ: ÐÐ¾ Ð¿ÑÐµÐ´ÑÑÐ°Ð²Ð»ÐµÐ½Ð½ÑÐ¼ Ð¿ÑÐ¸Ð½ÑÐ¸Ð¿Ð°Ð¼ ÑÐ°ÑÑÐµÑÐ° Ð¸ ÑÐµÐ¾ÑÐµÑÐ¸ÑÐµÑÐºÐ¸Ð¼ Ð´Ð°Ð½Ð½ÑÐ¼ Ð¿Ð¾Ð»ÑÑÐµÐ½ ÑÑÐ¸Ð»Ð¸ÑÐµÐ»Ñ ÑÐ¾ ÑÑÐµÐ´Ð½Ð¸Ð¼ ÐÐÐâ96%, ÑÐ¿Ð¾ÑÐ¾Ð±Ð½ÑÐ¹ Ð¾Ð±ÐµÑÐ¿ÐµÑÐ¸Ð²Ð°ÑÑ Ð¼Ð¾ÑÐ½Ð¾ÑÑÑ Ð² 50 ÐºÐÑ Ð² Ð½Ð°Ð³ÑÑÐ·ÐºÐµ, ÑÐµÐ°Ð»Ð¸Ð·Ð¾Ð²Ð°Ð½Ð½ÑÐ¹ Ð¿Ð¾ Ð¼Ð½Ð¾Ð³Ð¾ÑÑÐµÐµÑÐ½Ð¾Ð¹ ÑÑÑÑÐºÑÑÑÐµ.ÐÐ±Ð»Ð°ÑÑÑ Ð¿ÑÐ¸Ð¼ÐµÐ½ÐµÐ½Ð¸Ñ: Ð Ð°Ð´Ð¸Ð¾Ð¿ÐµÑÐµÐ´Ð°ÑÑÐ¸Ðµ ÑÑÑÑÐ¾Ð¹ÑÑÐ²Ð° Ð´Ð°Ð»ÑÐ½ÐµÐ³Ð¾ Ð²ÐµÑÐ°Ð½Ð¸Ñ, DRM, Ð·Ð²ÑÐºÐ¾Ð²Ð¾ÑÐ¿ÑÐ¾Ð¸Ð·Ð²Ð¾Ð´ÑÑÐ°Ñ Ð°Ð¿Ð¿Ð°ÑÐ°ÑÑÑÐ°.ÐÑÐ²Ð¾Ð´: ÐÐ°Ð´Ð°Ð½Ð¸Ðµ Ð½Ð° Ð²ÑÐ¿ÑÑÐºÐ½ÑÑ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½ÑÑ ÑÐ°Ð±Ð¾ÑÑ Ð²ÑÐ¿Ð¾Ð»Ð½ÐµÐ½Ð¾ Ð² Ð¿Ð¾Ð»Ð½Ð¾Ð¼ Ð¾Ð±ÑÐµÐ¼Ðµ.
description: The subject of the graduate qualification work is"The principle of construction and calculations of a high-voltage amplifier class D, built on a multicell power of 50 kW."Purpose of work: Analysis of the principles of construction ofa high-efficiency (efficiency â93-95%) high-power Class D amplifier.Methods of work: Calculation of the values of elements, capacities and loss capacities, followed by calculation of the efficiency. Analysis of the implementation method according to the multicell structure. Building a concept, converting it to a multi-cell view. Select an active item.Results: According to the presented calculation principles and theoretical data, an amplifier with an average efficiency of â96% was obtained, capable of providing a power of 50 kW in a load, implemented according to a multi-cell structure.Scope: Radio transmitters of distant broadcasting, DRM, sound reproducing equipment.Conclusion: The task for the final qualification work is completed in full.