three phase convertor bg

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ТЕХНИЧЕСКИ УНИВЕРСИТЕТ – СОФИЯ Преобразувателна техника Теза на тема: ТРИФАЗЕН ИНВЕРТОР Изготвил: Фак. №: Специалност: 1

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Трифазен двустъпален инвертор с широчинно-импулсна модулация

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: . : : : : .................................:

1. . (Discrete PWM Generator), (Universal Bridge), , RC . . . . .

2. .

.1 - ..2 - .

: (Discrete PWM Generator) - . . . , , .

.3

(Universal Bridge) . . 6 (IGBT) .

.4 6 IGBT .

(Selector) . 12 , . . :.5 1 .

.6 2 .

(Transformer) , . . . , . =5,7 .. . . . . .. (leakage inductance). - (RC load).RC .

.6 ..7 - .

400V. , , IGBT . :

.8 .

.9 .

. . . . . , 5, . RC . . 5. . . :

.10 , .Vab inverter .Vab_load .

.11 , .Vab inverter .Vab_load .

, - . . . , , - . - . UPS .. . , . . , . . , (leakage inductance) . , RC . .2